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Kim M, Jeon S, Chung IY, Park K, Kim JH. Evaluation of inhalation risk during quarantine work with quaternary ammonium compounds-based disinfectant. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 929:172488. [PMID: 38631625 DOI: 10.1016/j.scitotenv.2024.172488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 04/01/2024] [Accepted: 04/12/2024] [Indexed: 04/19/2024]
Abstract
Quarantine work is widely recognized as an indispensable endeavor in curbing the propagation of the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). Furthermore, the heavy workload places workers at a heightened risk of chemical exposure and respiratory damage. Consequently, it is paramount to systematically perform health risk assessments and meticulously oversee the work by wearing personal protective equipment to minimize these risks. To assess the inhalation exposure, this study examined data on disinfectant exposure from quarantine professional users who utilized disinfectants containing quaternary ammonium compounds. Through a survey of 6,199 cases conducted by 300 quarantine professional users who actively engaged in quarantine work, we assembled a database of exposure factors derived from their utilization of spray-type disinfectants for quarantine purposes. Based on these data, we formulated an inhalation exposure algorithm, which considers the time-weighted average (TWA) air concentrations. The test results demonstrated that the industrial-grade respirator mask could prevent a minimum of 68.3 % of particles, reducing respiratory exposure. Consequently, the hazard quotient (HQ) due to disinfectant exposure also decreased. This research is essential in safeguarding the safety and health of professional users engaged in quarantine-related tasks. By implementing strict measures like health risk assessments and personal protective equipment, individuals with quarantine experience can safely carry out their quarantine work. The results of this study are expected to serve as a framework for improving policies and regulations concerning quarantine work and safeguarding the health of professional users.
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Affiliation(s)
- Minji Kim
- Division of Chemical Research, National Institute of Environmental Research, Hwangyeong-ro 42, Seo-gu, Incheon 22689, South Korea.
| | - Sohyun Jeon
- Division of Chemical Research, National Institute of Environmental Research, Hwangyeong-ro 42, Seo-gu, Incheon 22689, South Korea
| | - In-Young Chung
- Division of Chemical Research, National Institute of Environmental Research, Hwangyeong-ro 42, Seo-gu, Incheon 22689, South Korea
| | - Kyunghwa Park
- Division of Chemical Research, National Institute of Environmental Research, Hwangyeong-ro 42, Seo-gu, Incheon 22689, South Korea
| | - Joo-Hyon Kim
- Division of Chemical Research, National Institute of Environmental Research, Hwangyeong-ro 42, Seo-gu, Incheon 22689, South Korea.
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Song S, Liu X, Ding L, Liu Z, Abubaker MA, Xu Y, Zhang J. A bacterial cellulose/polyvinyl alcohol/nitro graphene oxide double layer network hydrogel efficiency antibacterial and promotes wound healing. Int J Biol Macromol 2024; 269:131957. [PMID: 38692544 DOI: 10.1016/j.ijbiomac.2024.131957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 04/20/2024] [Accepted: 04/27/2024] [Indexed: 05/03/2024]
Abstract
In this study, graphene oxide (GO) was chemically modified utilizing concentrated nitric acid to produce a nitrated graphene oxide derivative (NGO) with enhanced oxidation level, improved dispersibility, and increased antibacterial activity. A double-layer composite hydrogel material (BC/PVA/NGO) with a core-shell structure was fabricated by utilizing bacterial cellulose (BC) and polyvinyl alcohol (PVA) binary composite hydrogel scaffold as the inner network template, and hydrophilic polymer (PVA) loaded with antibacterial material (NGO) as the outer network. The fabrication process involved physical crosslinking based on repeated freezing and thawing. The resulting BC/PVA/NGO hydrogel exhibited a porous structure, favorable mechanical properties, antibacterial efficacy, and biocompatibility. Subsequently, the performance of BC/PVA/NGO hydrogel in promoting wound healing was evaluated using a mouse skin injury model. The findings demonstrated that the BC/PVA/NGO hydrogel treatment group facilitated improved wound healing in the mouse skin injury model compared to the control group and the BC/PVA group. This enhanced wound healing capability was attributed primarily to the excellent antibacterial and tissue repair properties of the BC/PVA/NGO hydrogel.
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Affiliation(s)
- Shen Song
- College of Life Science, Northwest Normal University, Lanzhou 730070, China; New Rural Development Research Institute of Northwest Normal University, Lanzhou 730070, China.
| | - Xiaoyuan Liu
- Gansu Provincial Maternity and Child-care Hospital, Lanzhou 730050, China
| | - Ling Ding
- College of Life Science, Northwest Normal University, Lanzhou 730070, China; New Rural Development Research Institute of Northwest Normal University, Lanzhou 730070, China
| | - Zhao Liu
- National University of Singapore Suzhou Research Institute, Suzhou, China
| | - Mohamed Aamer Abubaker
- College of Life Science, Northwest Normal University, Lanzhou 730070, China; Department of Biology, Faculty of Education, University of Khartoum, Khartoum 11111, Sudan
| | - Yaqiang Xu
- College of Life Science, Northwest Normal University, Lanzhou 730070, China; New Rural Development Research Institute of Northwest Normal University, Lanzhou 730070, China
| | - Ji Zhang
- College of Life Science, Northwest Normal University, Lanzhou 730070, China; New Rural Development Research Institute of Northwest Normal University, Lanzhou 730070, China
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Kang H, Lee S, Jo EK, Yang W, Choi YH. Synergistic interaction of co-exposure to humidifier disinfectant chemicals CMIT/MIT and PHMG in lung injury. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:33098-33106. [PMID: 38676862 DOI: 10.1007/s11356-024-33455-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 04/20/2024] [Indexed: 04/29/2024]
Abstract
A number of biocidal disinfectant chemicals are used as household products to prevent spread of pathogens. People are commonly exposed to multiple chemicals through those disinfectants. However, effects of interactions (e.g., synergism) between disinfectants on human health outcomes have been rarely studied. In this study, we aimed to investigate associations of a mixture of chloromethylisothiazolinone/methylisothiazolinone (CMIT/MIT) and polyhexamethylene guanidine (PHMG), which had been used as humidifier disinfectants (HDs) in South Korea, with HD-associated lung injury (HDLI) in a Korean population (n = 4058) with HD exposure through use of HD products. Exposure to HD was retrospectively assessed by an interview-based standardized survey, and HDLI was determined by clinical assessment. After adjusting for covariates, PHMG-specific exposure indices (e.g., amount of use, indoor air concentration, and weekly exposure level) were dose-dependently associated with HDLI (their odds ratios for the comparison of third tertile versus first tertile were 1.95, 1.77, and 2.16, respectively). CMIT/MIT exposure was not observed to have a significant association with HDLI in a single chemical exposure model; however, associations between PHMG exposure and HDLI were strengthened by co-exposure to CMIT/MIT in combined chemical exposure models, where synergistic interactions between CMIT/MIT use and PHMG indices (amount of use and weekly exposure level) were observed (p-interaction in additive scale: 0.02 and 0.03, respectively). Our findings imply that adverse effects of PHMG exposure on lung injury among HD users might be worsened by co-exposure to CMIT/MIT. Given that plenty of household products contain disinfectants on global markets, epidemiological and toxicological investigations are warranted on interaction effects of co-exposure to disinfectants.
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Affiliation(s)
- Habyeong Kang
- Institute of Health Sciences, Korea University, Seoul, 02841, Korea
- School of Health and Environmental Science, Korea University, Anam-Ro 145, Seongbuk-Gu, Seoul, 02841, Korea
| | - Seula Lee
- Center for Humidifier Disinfectant Research, Korean Society of Environmental Health, Seoul, 04376, Korea
| | - Eun-Kyung Jo
- Center for Humidifier Disinfectant Research, Korean Society of Environmental Health, Seoul, 04376, Korea
| | - Wonho Yang
- Department of Occupational Health, Daegu Catholic University, Gyeongsan, 42472, Korea
| | - Yoon-Hyeong Choi
- Institute of Health Sciences, Korea University, Seoul, 02841, Korea.
- School of Health and Environmental Science, Korea University, Anam-Ro 145, Seongbuk-Gu, Seoul, 02841, Korea.
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Masood M, Kiani J, Iftikhar S, Faisal A. The Psychological Impact and Behavioral Changes Among the Medical Students of Islamabad and Rawalpindi Due to the COVID-19 Pandemic. Cureus 2024; 16:e59860. [PMID: 38854319 PMCID: PMC11157357 DOI: 10.7759/cureus.59860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/08/2024] [Indexed: 06/11/2024] Open
Abstract
Introduction The onset of the COVID-19 pandemic necessitated a shift in global lifestyles as individuals sought to safeguard themselves and their loved ones from the virus. This adaptation involved embracing a distinct way of life marked by social distancing, reduced outdoor engagements, and home confinement. Consequently, this period of quarantine led to diminished social interactions, challenges in accessing essential resources such as food, heightened unemployment rates, and increased burden on healthcare systems. Understandably, these circumstances gave rise to heightened emotions including fear, depression, and anxiety. In response to these dynamics, our research aimed to explore the psychological and behavioral shifts among medical students residing in Islamabad and Rawalpindi (the twin cities of Pakistan) during the year 2020 amidst the COVID-19 pandemic. Methods A structured, self-administered questionnaire was constructed, based on previously conducted surveys, assessing the psychological impact and behavioral changes due to the COVID-19 pandemic. The questionnaire was made available online through Google Forms and was provided to students of the various medical colleges of the twin cities of Pakistan. The results were further stratified based on gender. Results Categorical data were collected from 400 medical students studying in Rawalpindi and Islamabad. The negative psychological impact was shown by increased stress, 260 (65%), feeling of less energy, 211 (52.8%), and increased anxiety with upper respiratory symptoms, 202 (50.5%). Behavioral changes were also a reflection of the psychological changes depicted by an increased use of disinfectants, 256 (64%), increased desire to clean surfaces, 262 (65.6%), increased use of soaps and detergents, 300 (75%), reduced number of times one left their house 281, (70.3%), and decreased consumption of food products from outside, 226 (56.5%). When compared between the two genders, females had significantly increased stress levels (p=0.034), decreased food consumption from outside (p=0.026), and increased avoidance of people not wearing masks (p=0.001). Conclusion Through our study, we identified the various psychological and behavioral changes among our population due to the COVID-19 pandemic. Our study not only highlights these changes but also discusses the various ways to address them. This study would help relevant organizations to understand the broader aspect of how this pandemic has affected individual lives and will also give them ideas regarding how to cater to these changes in a positive way.
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Affiliation(s)
- Mariam Masood
- Medicine, Shifa International Hospital Islamabad, Islamabad, PAK
| | - Jaweria Kiani
- Medicine, Shifa International Hospital Islamabad, Islamabad, PAK
| | - Seemal Iftikhar
- Medicine, Shifa International Hospital Islamabad, Islamabad, PAK
| | - Aamna Faisal
- Medicine, Shifa International Hospital Islamabad, Islamabad, PAK
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Pal D, Banerjee D, Sarkar U. Adsorption of an antiseptic in a functionalized fixed-bed: Analysis of breakthrough scenarios and validation of simplistic models defending a novel proposition. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 357:120649. [PMID: 38552515 DOI: 10.1016/j.jenvman.2024.120649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 03/01/2024] [Accepted: 03/10/2024] [Indexed: 04/14/2024]
Abstract
BACKGROUND Chlorhexidine gluconate (CHG) and cetrimide, which are widely used in various pharmaceutical compositions, are considered potentially hazardous compounds. This combination was largely used during and after Covid 19 pandemic for sanitization. Removal of these two compounds from pharmaceutical waste-water with commercial and functionalized activated carbon in a packed bed column is reported. METHODS Effects of changes in bed height, flow rate, and initial concentration on the performance of the packed bed are analyzed using Yoon-Nelson, BDST and Thomas models for commercial scale-up operation. The effects of primary design parameters like bed depth and operating parameters like inflow rate and inlet concentration of influent wastewater are studied on the extent of removal of cetrimide and chlorhexidine gluconate. Granular activated carbon (GAC) is functionalized using HF and NH4OH. The extent of enhanced adsorption using the functionalized GAC is demonstrated using breakthrough curves. SIGNIFICANT FINDINGS K. H. Chu's iconic proposition is validated. Breakthrough time (BT) increases with bed heights and it is less in the case of cetrimide as compared to chlorhexidine gluconate. This shows that cetrimide wins in the competition and occupies the pores much faster than CHG. Mostly, BT-CHG (GAC) < BT-CHG (FAC-HF) < BT-CHG (FAC-NH3) and BT-cetrimide (GAC) < BT-cetrimide (FAC-NH3) < BT-cetrimide (FAC-HF) for a particular bed height. BT-CHG(FAC-HF)BT-cetrimide(FAC-HF)
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Affiliation(s)
- Debamita Pal
- Department of Chemical Engineering, Jadavpur University, Kolkata, 700032, West Bengal, India
| | - Debasree Banerjee
- Department of Chemical Engineering, Jadavpur University, Kolkata, 700032, West Bengal, India
| | - Ujjaini Sarkar
- Department of Chemical Engineering, Jadavpur University, Kolkata, 700032, West Bengal, India.
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Senthilkumar A, Ravindran V, Arthanari A, Ramalingam K. Evaluation of Forensic Luminol in Detection of Blood Stains in Instruments Following Dental Treatment. Cureus 2024; 16:e57676. [PMID: 38707075 PMCID: PMC11070201 DOI: 10.7759/cureus.57676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 04/05/2024] [Indexed: 05/07/2024] Open
Abstract
Background Saliva and blood, being biological materials with a high potential for infectious transmission in dental environments, pose significant risks to dental professionals, assistants, and patients alike. Therefore, practitioners must adopt stringent security measures to ensure patient care, considering all parties as potential carriers of microorganisms capable of causing infectious diseases. Currently, various methods of disinfection and sterilization are employed to maintain the aseptic chain effectively. Having reliable methods for detecting substances in liquids, particularly body fluids, is crucial and highly convenient. Luminol, a chemiluminescent agent widely used in forensic science for detecting minute traces of blood that are invisible to the naked eye, presents itself as a valuable tool. Blood, a major bodily fluid often present in instruments following dental procedures, underscores the importance of its detection. Hence, in this study, luminol was utilized to detect blood traces in dental instruments following dental treatment, both before and after sterilization or disinfection. Objective Blood and saliva splashes, together with highly contagious aerosols, are always a part of dental procedures. The objective of the current study is to detect traces of blood stains on face shields, surgical instruments, and endodontic files using luminol before and after sterilization. Materials and methods Sample size calculation was done with G*Power software (Version 3.1.9.4, Düsseldorf, Germany), and a total of 30 instruments were selected for the study. In the present study, a total of 30 items were collected and utilized, including 14 instruments used after implant placement, 12 endodontic files employed after root canal treatment, and four face shields utilized during these procedures. Meanwhile, a freshly prepared luminol solution was applied to these instruments, and they were viewed in a dark environment both before and after sterilization procedures. Luminescence generated by luminol was observed in the instruments, indicative of the presence of blood not visible to the naked eye. Statistical analysis for both groups was done with IBM SPSS Statistics for Windows, Version 16.0 (Released 2007; SPSS Inc., Chicago, IL, USA). Intragroup comparison was done using the Friedman test, and intergroup comparison was done using the Wilcoxon signed-rank test. Results Blood stains and chemiluminescence were visualized in two out of 10 endodontic files (one #15 K-file and #20 K-files) and two out of four face shields. The intragroup comparison was done using the Friedman test, and it was found to be statistically significant (p < 0.05). Intergroup comparison was done using the Wilcoxon signed-rank test and was found to be statistically insignificant (p > 0.05). Conclusion Following sterilization and disinfection, there were no visual blood stains or chemiluminescence. Therefore, luminol was found to be effective in detecting blood stains in endodontic files, surgical instruments, and face shields, as well as in validating the sterilization and disinfection processes. Hence, sterilization in dentistry stands as a critical measure to guarantee patient safety, halt the dissemination of infections, and uphold exemplary clinical care standards.
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Affiliation(s)
- Akshai Senthilkumar
- Forensic Odontology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
| | - Vignesh Ravindran
- Pediatric and Preventive Dentistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
| | - Abirami Arthanari
- Forensic Odontology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
| | - Karthikeyan Ramalingam
- Oral Pathology and Microbiology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
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Sousa M, Oliveira IM, Correia L, Gomes IB, Sousa CA, Braga DFO, Simões M. Far-UV-C irradiation promotes synergistic bactericidal action against adhered cells of Escherichia coli and Staphylococcus epidermidis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 917:170352. [PMID: 38286293 DOI: 10.1016/j.scitotenv.2024.170352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/17/2024] [Accepted: 01/20/2024] [Indexed: 01/31/2024]
Abstract
The contamination of indoor areas is a global health problem that can cause the dispersion of infectious diseases. In that sense, it is urgent to find new strategies applying a lower concentration of the traditional chemicals used for cleaning and disinfection. Ultraviolet radiation (UV), in particular far-UV-C (200-225 nm), has emerged as a successful, powerful, easy-to-apply, and inexpensive approach for bacterial eradication that still requires scientific assessment. This study investigated new strategies for disinfection based on far-UV-C (222 nm) combined with chlorine and mechanical cleaning, providing an innovative solution using low doses. The bactericidal activity of far-UV-C (222 nm) was tested at an intensity of irradiation from 78.4 μW/cm2 to 597.7 μW/cm2 (for 1 min) against Escherichia coli and Staphylococcus epidermidis adhered on polystyrene microtiter plates. It was further tested in combination with mechanical cleaning (ultrasounds for 1 min) and free chlorine (0.1, 0.5, and 1 mg/L for 5 min). The triple combination consisting of mechanical cleaning + free chlorine (0.5 mg/L) + far-UV-C (54 mJ/cm2) was tested against cells adhered to materials found in hospital settings and other public spaces: polyvinyl chloride (PVC), stainless steel (SS), and polyetheretherketone (PEEK). Disinfection with far-UV-C (54 mJ/cm2) and free chlorine at 0.5 mg/L for 5 min allowed a total reduction of culturable E. coli cells and a logarithmic reduction of 2.98 ± 0.03 for S. epidermidis. The triple combination of far-UV-C, free chlorine, and mechanical cleaning resulted in a total reduction of culturable cells for both adhered bacteria. Bacterial adhesion to PVC, SS, and PEEK occurred at distinct extents and influenced the bactericidal activity of the triple combination, with logarithmic reductions of up to three. The overall results highlight that, based on culturability assessment, far-UV-C (54 mJ/cm2) with chlorine (0.5 mg/L; 5 min) and mechanical cleaning (1 min) as an efficient disinfection strategy using mild conditions. The combination of culturability and viability assessment of disinfection is recommended to detect regrowth events and increase the effectiveness in microbial growth control.
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Affiliation(s)
- M Sousa
- LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, Department of Chemical Engineering, University of Porto, 4200-465 Porto, Portugal; ALiCE-Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal
| | - I M Oliveira
- LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, Department of Chemical Engineering, University of Porto, 4200-465 Porto, Portugal; ALiCE-Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal
| | - L Correia
- SpinnerDynamics, Lda., Rua da Junta de Freguesia 194, 4540-322 Escariz, Arouca, Portugal
| | - I B Gomes
- LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, Department of Chemical Engineering, University of Porto, 4200-465 Porto, Portugal; ALiCE-Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal
| | - C A Sousa
- LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, Department of Chemical Engineering, University of Porto, 4200-465 Porto, Portugal; ALiCE-Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal
| | - D F O Braga
- SpinnerDynamics, Lda., Rua da Junta de Freguesia 194, 4540-322 Escariz, Arouca, Portugal
| | - M Simões
- LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, Department of Chemical Engineering, University of Porto, 4200-465 Porto, Portugal; ALiCE-Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal.
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Tagorti G, Yalçın B, Güneş M, Burgazlı AY, Kuruca T, Cihanoğlu N, Akarsu E, Kaya N, Marcos R, Kaya B. Alcohol-free synthesis, biological assessment, in vivo toxicological evaluation, and in silico analysis of novel silane quaternary ammonium compounds differing in structure and chain length as promising disinfectants. JOURNAL OF HAZARDOUS MATERIALS 2024; 466:133470. [PMID: 38246053 DOI: 10.1016/j.jhazmat.2024.133470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/28/2023] [Accepted: 01/06/2024] [Indexed: 01/23/2024]
Abstract
Quaternary ammonium compounds (QACs) are commonly used as disinfectants for industrial, medical, and residential applications. However, adverse health outcomes have been reported. Therefore, biocompatible disinfectants must be developed to reduce these adverse effects. In this context, QACs with various alkyl chain lengths (C12-C18) were synthesized by reacting QACs with the counterion silane. The antimicrobial activities of the novel compounds against four strains of microorganisms were assessed. Several in vivo assays were conducted on Drosophila melanogaster to determine the toxicological outcomes of Si-QACs, followed by computational analyses (molecular docking, simulation, and prediction of skin sensitization). The in vivo results were combined using a cheminformatics approach to understand the descriptors responsible for the safety of Si-QAC. Si-QAC-2 was active against all tested bacteria, with minimal inhibitory concentrations ranging from 13.65 to 436.74 ppm. Drosophila exposed to Si-QAC-2 have moderate-to-low toxicological outcomes. The molecular weight, hydrophobicity/lipophilicity, and electron diffraction properties were identified as crucial descriptors for ensuring the safety of the Si-QACs. Furthermore, Si-QAC-2 exhibited good stability and notable antiviral potential with no signs of skin sensitization. Overall, Si-QAC-2 (C14) has the potential to be a novel disinfectant.
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Affiliation(s)
- Ghada Tagorti
- Department of Biology, Akdeniz University, Antalya, Turkey
| | - Burçin Yalçın
- Department of Biology, Akdeniz University, Antalya, Turkey
| | - Merve Güneş
- Department of Biology, Akdeniz University, Antalya, Turkey
| | | | - Tuğçe Kuruca
- Department of Chemistry, Akdeniz University, Antalya, Turkey
| | | | - Esin Akarsu
- Department of Chemistry, Akdeniz University, Antalya, Turkey
| | - Nuray Kaya
- Department of Biology, Akdeniz University, Antalya, Turkey
| | - Ricard Marcos
- Department of Genetics and Microbiology, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Spain.
| | - Bülent Kaya
- Department of Biology, Akdeniz University, Antalya, Turkey.
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9
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Soni SK, Marya T, Sharma A, Thakur B, Soni R. A systematic overview of metal nanoparticles as alternative disinfectants for emerging SARS-CoV-2 variants. Arch Microbiol 2024; 206:111. [PMID: 38372809 DOI: 10.1007/s00203-023-03818-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/16/2023] [Accepted: 12/25/2023] [Indexed: 02/20/2024]
Abstract
Coronaviruses are a diverse family of viruses, and new strains can emerge. While the majority of coronavirus strains cause mild respiratory illnesses, a few are responsible for severe diseases such as Severe Acute Respiratory Syndrome (SARS) and Middle East Respiratory Syndrome (MERS). SARS-CoV-2, the virus responsible for COVID-19, is an example of a coronavirus that has led to a pandemic. Coronaviruses can mutate over time, potentially leading to the emergence of new variants. Some of these variants may have increased transmissibility or resistance to existing vaccines and treatments. The emergence of the COVID-19 pandemic in the recent past has sparked innovation in curbing virus spread, with sanitizers and disinfectants taking center stage. These essential tools hinder pathogen dissemination, especially for unvaccinated or rapidly mutating viruses. The World Health Organization supports the use of alcohol-based sanitizers and disinfectants globally against pandemics. However, there are ongoing concerns about their widespread usage and their potential impact on human health, animal well-being, and ecological equilibrium. In this ever-changing scenario, metal nanoparticles hold promise in combating a range of pathogens, including SARS-CoV-2, as well as other viruses such as norovirus, influenza, and HIV-1. This review explores their potential as non-alcoholic champions against SARS-CoV-2 and other pandemics of tomorrow. This extends beyond metal nanoparticles and advocates a balanced examination of pandemic control tools, exploring their strengths and weaknesses. The manuscript thus involves the evaluation of metal nanoparticle-based alternative approaches as hand sanitizers and disinfectants, providing a comprehensive perspective on this critical issue.
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Affiliation(s)
- Sanjeev Kumar Soni
- Department of Microbiology, Panjab University, Chandigarh, 160014, India.
| | - Tripta Marya
- Department of Microbiology, Panjab University, Chandigarh, 160014, India
| | - Apurav Sharma
- Department of Microbiology, Panjab University, Chandigarh, 160014, India
| | - Bishakha Thakur
- Department of Microbiology, Panjab University, Chandigarh, 160014, India
| | - Raman Soni
- Department of Biotechnology, DAV College, Chandigarh, 160011, India
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10
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Zambrano-Carrillo MF, Hernandez-Jerez AF. Occupational risk assessment of glutaraldehyde through personal air monitoring in a hospital setting. Ann Work Expo Health 2024; 68:97-103. [PMID: 37950922 DOI: 10.1093/annweh/wxad067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 10/24/2023] [Indexed: 11/13/2023] Open
Abstract
Glutaraldehyde is a high-efficiency disinfectant that has been included in the protocols of some hospitals for controlling the spread of SARS-CoV-2, together with sodium hypochlorite and quaternary ammonium disinfectants. However, exposure has been poorly studied in workplace settings, despite the association between glutaraldehyde and respiratory diseases and skin conditions in exposed workers. This study evaluated the magnitude of exposure associated with the use of glutaraldehyde in healthcare workers across various work areas of a first level of Hospital-Based Care in Colombia. Workers were classified into similar exposure groups (SEGs) based on work areas and tasks performed, and airborne concentrations of glutaraldehyde were measured in different work areas of each SEG through direct monitoring. The 95th percentile of glutaraldehyde concentrations in all SEGs studied exceeded the TLV-C immediately after use. Cleaning workers and nurses had the highest exposures to glutaraldehyde. Results indicate that workers were overexposed and highlight the need to implement controls to reduce exposure. The high-exposure levels also raise the need to consider glutaraldehyde substitution and adequate use of personal protective equipment (PPE).
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Affiliation(s)
- Maira Fernanda Zambrano-Carrillo
- Undergraduate Degree in Risk Management, Safety and Health at Work; Faculty of International Relations, Strategy and Security, Campus New Granada. Military University of New Granada, Cajicá, Colombia
- International Graduate School, School of Doctorate in Health Sciences, Doctorate in Clinical Medicine and Public Health, University of Granada, Granada, Spain
| | - Antonio F Hernandez-Jerez
- Department of Legal Medicine and Toxicology, University of Granada School of Medicine, Granada, Spain
- Institute for Biosanitary Research ibs.GRANADA, Granada, Spain
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Madrid, Spain
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11
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Hiep NT, Nguyen MK, Nhut HT, Hung NTQ, Manh NC, Lin C, Chang SW, Um MJ, Nguyen DD. A review on sterilization methods of environmental decontamination to prevent the coronavirus SARS-CoV-2 (COVID-19 virus): A new challenge towards eco-friendly solutions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166021. [PMID: 37543323 DOI: 10.1016/j.scitotenv.2023.166021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 06/13/2023] [Accepted: 08/01/2023] [Indexed: 08/07/2023]
Abstract
In recent years, the COVID-19 pandemic is currently wreaking havoc on the planet. SARS-CoV-2, the Severe Acute Respiratory Syndrome Coronavirus, is the current term for this outbreak. Reports about this novel coronavirus have been presented since the pandemic's breakout, and they have demonstrated that it transmits rapidly from person to person, primarily by droplets in the air. Findings have illustrated that SARS-CoV-2 can survive on surfaces from hours to days. Therefore, it is essential to find practical solutions to reduce the virus's impact on human health and the environment. This work evaluated common sterilization methods that can decontaminate the environment and items. The goal is that healthcare facilities, disease prevention organizations, and local communities can overcome the new challenge of finding eco-friendly solutions. Further, a foundation of information encompassing various sterilization procedures and highlighting their limits to choose the most appropriate method to stop disease-causing viruses in the new context has been presented. The findings of this crucial investigation contribute to gaining insight into the comprehensive sterilization approaches against the coronavirus for human health protection and sustainable environmental development.
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Affiliation(s)
- Nguyen Trung Hiep
- Research Institute for Sustainable Development, Ho Chi Minh University of Natural Resources and Environment, 236B Le Van Sy, Ward 1, Tan Binh District, Ho Chi Minh City 700000, Viet Nam
| | - Minh-Ky Nguyen
- Faculty of Environment and Natural Resources, Nong Lam University, Linh Trung Ward, Thu Duc City, Ho Chi Minh City 700000, Viet Nam; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 81157, Taiwan
| | - Huynh Tan Nhut
- Faculty of Environment and Natural Resources, Nong Lam University, Linh Trung Ward, Thu Duc City, Ho Chi Minh City 700000, Viet Nam
| | - Nguyen Tri Quang Hung
- Faculty of Environment and Natural Resources, Nong Lam University, Linh Trung Ward, Thu Duc City, Ho Chi Minh City 700000, Viet Nam.
| | - Nguyen Cong Manh
- Department of Aquatic and Atmospheric Environment Research, Research Institute of Biotechnology and Environment, Nong Lam University, Ho Chi Minh City 700000, Viet Nam
| | - Chitsan Lin
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 81157, Taiwan
| | - S Woong Chang
- Department of Civil & Energy System Engineering, Kyonggi University, Suwon 16227, South Korea
| | - Myoung Jin Um
- Department of Civil & Energy System Engineering, Kyonggi University, Suwon 16227, South Korea
| | - D Duc Nguyen
- Department of Civil & Energy System Engineering, Kyonggi University, Suwon 16227, South Korea; Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, District 4, Ho Chi Minh City 755414, Viet Nam.
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12
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Wells KM, Ciftci Y, Peddinti BST, Ghiladi RA, Vediyappan G, Spontak RJ, Govind R. Preventing the spread of life-threatening gastrointestinal microbes on the surface of a continuously self-disinfecting block polymer. J Colloid Interface Sci 2023; 652:718-726. [PMID: 37611471 DOI: 10.1016/j.jcis.2023.08.088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 08/03/2023] [Accepted: 08/12/2023] [Indexed: 08/25/2023]
Abstract
Highly persistent, drug-resistant and transmissible healthcare pathogens such as Clostridioides difficile (C. difficile) and Candida auris (C. auris) are responsible for causing antibiotic-associated fatal diarrhea and invasive candidiasis, respectively. In this study, we demonstrate that these potentially lethal gastrointestinal microbes can be rapidly inactivated on the solid surface of a self-disinfecting anionic block polymer that inherently generates a water surface layer that is highly acidic (pH < 1) upon hydration. Due to thermodynamic incompatibility between its chemical sequences, the polymer spontaneously self-organizes into a nanostructure that enables proton migration from the interior of a film to the surface via contiguous nanoscale hydrophilic channels, as discerned here by scanning electron and atomic force microscopies, as well as X-ray photoelectron spectroscopy. Here, we report that two strains of C. difficile in the vegetative state and two species of Candida, Candida albicans (C. albicans) and C. auris, are, in most cases, inactivated to the limit of minimum detection. Corresponding electron and optical microscopy images reveal that, upon exposure to the hydrated polymer, the outer microbial membranes display evidence of damage and intracellular material is expelled. Combined with our previous studies of rapid bacterial and viral inactivation, these antimicrobial results are highly encouraging and, if translatable to clinical conditions in the form of self-standing polymer films or coatings, are expected to benefit the welfare of patients in healthcare facilities by continuously preventing the spread of such potentially dangerous microbes.
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Affiliation(s)
- Kacie M Wells
- Fiber & Polymer Science Program, North Carolina State University, Raleigh, NC 27695, United States
| | - Yusuf Ciftci
- Division of Biology, Kansas State University, Manhattan, KS 66506, United States
| | - Bharadwaja S T Peddinti
- Department of Chemical & Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695, United States
| | - Reza A Ghiladi
- Department of Chemistry, North Carolina State University, Raleigh, NC 27695, United States
| | | | - Richard J Spontak
- Department of Chemical & Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695, United States; Department of Materials Science & Engineering, North Carolina State University, Raleigh, NC 27695, United States.
| | - Revathi Govind
- Division of Biology, Kansas State University, Manhattan, KS 66506, United States.
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13
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Mahony AK, McNamara PJ, Arnold WA. Quaternary Ammonium Compounds (QACs) in Wastewater Influent and Effluent Throughout the COVID-19 Pandemic. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:20148-20158. [PMID: 37934083 DOI: 10.1021/acs.est.3c04413] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2023]
Abstract
Quaternary ammonium compounds (QACs) are used in consumer and industrial products, including disinfectants. Due to the COVID-19 pandemic, disinfectant use has increased, purportedly increasing loads to wastewater treatment plants and the environment. To understand how the increased usage has affected QAC loadings to treatment plants and to determine how effectively plants remove QACs from liquid effluent that is discharged to surface and groundwaters, influent and effluent wastewater samples were collected from four treatment plants (treatment capacities < 5 MGD to > 100 MGD) for 21 months beginning in May 2020. Influent QAC concentrations were hundreds of μg/L and effluent QAC concentrations were < 1 μg/L, corresponding to an average removal of 98% from all four plants. The most prevalent QACs in influent were those used most commonly in disinfectants, specifically benzylalkyldimethylammonium compounds (BACs) and short-chain dialkyldimethylammonium compounds (DADMACs), and influent levels of these compounds were correlated with QAC sales. Prior to this study, ethylbenzylalkyldimethylammonium compounds (EtBACs) had not been studied, and they comprised 13 ± 6% of QACs in influent. While removal was high at all plants, low μg/L concentrations were still continuously discharged into the environment. For QACs with equivalent alkyl chain lengths, those with aromatic substituents (BACs and EtBACs) appear to be removed more effectively than those with only alkyl chains (DADMACs).
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Affiliation(s)
- Anna K Mahony
- Department of Civil, Environmental and Geo-Engineering, University of Minnesota, 500 Pillsbury Dr. SE, Minneapolis, Minnesota 55455, United States
| | - Patrick J McNamara
- Department of Civil, Construction, Environmental Engineering, Marquette University, 1515 West Wisconsin Ave, Milwaukee, Wisconsin 53233 United States
| | - William A Arnold
- Department of Civil, Environmental and Geo-Engineering, University of Minnesota, 500 Pillsbury Dr. SE, Minneapolis, Minnesota 55455, United States
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14
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Li C, Zhong H, Liu G, Liu D, Wu M, Lam SS, Sonne C. Man-made reactive oxygen species as green disinfectants. ECO-ENVIRONMENT & HEALTH (ONLINE) 2023; 2:243-245. [PMID: 38435354 PMCID: PMC10902503 DOI: 10.1016/j.eehl.2023.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/27/2023] [Accepted: 05/03/2023] [Indexed: 03/05/2024]
Abstract
Image 1.
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Affiliation(s)
- Chengjun Li
- Institute of Environmental Research at Greater Bay Area, Guangzhou University, Guangzhou 510006, China
| | - Huan Zhong
- School of Environment, Nanjing University, Nanjing 210023, China
- Environmental and Life Sciences Program (EnLS), Trent University, Peterborough, Ontario, Canada
| | - Guorui Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Di Liu
- CAS Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan 430071, China
| | - Mengjie Wu
- School of Environment, Nanjing University, Nanjing 210023, China
| | - Su Shiung Lam
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
- University Centre for Research and Development, Department of Chemistry, Chandigarh University, Gharuan, Mohali, Punjab, India
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15
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Liao M, Wei S, Zhao J, Wang J, Fan G. Risks of benzalkonium chlorides as emerging contaminants in the environment and possible control strategies from the perspective of ecopharmacovigilance. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 266:115613. [PMID: 37862750 DOI: 10.1016/j.ecoenv.2023.115613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 10/13/2023] [Accepted: 10/16/2023] [Indexed: 10/22/2023]
Abstract
An unprecedented increase in the use of disinfection products triggered by the coronavirus disease 2019 (COVID-19) pandemic is resulting in aggravating environmental loads of disinfectants as emerging contaminants, which has been considered a cause for worldwide secondary disasters. This review analyzed the literature published in the last decade about occurrence, bioaccumulation, and possible environmental risks of benzalkonium chlorides (BKCs) as emerging contaminants. Results indicated that BKCs globally occurred in municipal wastewater, surface water, groundwater, reclaimed water, sludge, sediment, soil, roof runoff, and residential dust samples across 13 countries. The maximum residual levels of 30 mg/L and 421 μg/g were reported in water and solid environmental samples, respectively. Emerging evidences suggested possible bioaccumulation of BKCs in plants, even perhaps humans. Environmentally relevant concentrations of BKCs exert potential adverse impacts on aquatic and terrestrial species, including genotoxicity, respiratory toxicity, behavioural effects and neurotoxicity, endocrine disruption and reproductive impairment, phytotoxicity, etc. Given the intrinsic biocidal and preservative properties of disinfectants, the inductive effects of residual BKCs in environment in terms of resistance and imbalance of microorganisms have been paid special attention. Considering the similarities of disinfectants to pharmaceuticals, from the perspective of ecopharmacovigilance (EPV), a well-established strategy for pharmaceutical emerging contaminants, we use the control of BKC pollution as a case, and provide some recommendations for employing the EPV measures to manage environmental risks posed by disinfectant emerging contaminants.
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Affiliation(s)
- Mengfan Liao
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan 430065, China
| | - Songyi Wei
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan 430065, China
| | - Jinru Zhao
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan 430065, China
| | - Jun Wang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan 430065, China.
| | - Guangquan Fan
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan 430065, China
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16
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Baig MIR, Kadu P, Bawane P, Nakhate KT, Yele S, Ojha S, Goyal SN. Mechanisms of emerging resistance associated with non-antibiotic antimicrobial agents: a state-of-the-art review. J Antibiot (Tokyo) 2023; 76:629-641. [PMID: 37605076 DOI: 10.1038/s41429-023-00649-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 06/27/2023] [Accepted: 07/20/2023] [Indexed: 08/23/2023]
Abstract
Although the development of resistance by microorganisms to antimicrobial drugs has been recognized as a global public health concern, the contribution of various non-antibiotic antimicrobial agents to the development of antimicrobial resistance (AMR) remains largely neglected. The present review discusses various chemical substances and factors other than typical antibiotics, such as preservatives, disinfectants, biocides, heavy metals and improper chemical sterilization that contribute to the development of AMR. Furthermore, it encompasses the mechanisms like co-resistance and co-selection, horizontal gene transfer, changes in the composition and permeability of cell membrane, efflux pumps, transposons, biofilm formation and enzymatic degradation of antimicrobial chemicals which underlie the development of resistance to various non-antibiotic antimicrobial agents. In addition, the review addresses the resistance-associated changes that develops in microorganisms due to these agents, which ultimately contribute to the development of resistance to antibiotics. In order to prevent the indiscriminate use of chemical substances and create novel therapeutic agents to halt resistance development, a more holistic scientific approach might provide diversified views on crucial factors contributing to the persistence and spread of AMR. The review illustrates the common and less explored mechanisms contributing directly or indirectly to the development of AMR by non-antimicrobial agents that are commonly used.
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Affiliation(s)
- Mirza Ilyas Rahim Baig
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, Maharashtra, 400056, India
| | - Pramod Kadu
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, Maharashtra, 400056, India.
| | - Pradip Bawane
- Department of Pharmacognosy, Shri Vile Parle Kelavani Mandal's Institute of Pharmacy, Dhule, Maharashtra, 424001, India
| | - Kartik T Nakhate
- Department of Pharmacology, Shri Vile Parle Kelavani Mandal's Institute of Pharmacy, Dhule, Maharashtra, 424001, India
| | - Santosh Yele
- Department of Pharmacognosy, SVKM's NMIMS, School of Pharmacy & Technology Management, Hyderabad, 509301, India
| | - Shreesh Ojha
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, P.O. Box 15551, Al Ain, United Arab Emirates
| | - Sameer N Goyal
- Department of Pharmacology, Shri Vile Parle Kelavani Mandal's Institute of Pharmacy, Dhule, Maharashtra, 424001, India
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17
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Duane B, Yap T, Neelakantan P, Anthonappa R, Bescos R, McGrath C, McCullough M, Brookes Z. Mouthwashes: Alternatives and Future Directions. Int Dent J 2023; 73 Suppl 2:S89-S97. [PMID: 37867066 PMCID: PMC10690551 DOI: 10.1016/j.identj.2023.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 08/21/2023] [Indexed: 10/24/2023] Open
Abstract
This narrative review summarises "alternative" or "natural" over-the-counter (OTC) mouthwashes not covered elsewhere in this supplement and newly emerging products, as potential mouthwashes of the future. The "natural" mouthwashes reviewed include saltwater, baking soda, coconut oil, charcoal, propolis, seaweeds, and probiotics. Other than essential oils, it is apparent that their clinical effectiveness is still under debate, but there is some evidence to suggest that propolis reduces plaque and gingivitis. This review also covers the host immune response, via novel anti-inmmunomodulant mouthwashes, such as erythropoietin to reduce inflammation with oral mucositis (OM) after radiotherapy. The emerging concept of nanoparticle-containing mouthwashes, such as iron oxide, is further discussed for OM, this agent having the potential for more targeted delivery of chemical antimicrobials. Unfortunately, there are impacts on the environment of widening mouthwash use with more new products, including increased use of packaging, antimicrobial resistance, and possible detrimental effects on marine life. Further, there are roadblocks, relating to regularly approvals and side effects, that still need to be overcome for any OTC deivered immunomodulant or nanoformulation mouthwashes. Despite these caveats, there are many new mouthwashes under development, which could help manage major oral diseases such as caries, gingivitis, and periodontal disease.
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Affiliation(s)
- Brett Duane
- Dublin Dental School and Hospital, Trinity College Dublin, Dublin, Ireland
| | - Tami Yap
- Faculty of Medicine, Dentistry & Health Sciences, Melbourne Dental School, University of Melbourne, Carlton, Australia
| | - Prasanna Neelakantan
- Department of Endodontics, University of the Pacific, Arthur A. Dugoni School of Dentistry, San Francisco, California, USA
| | | | - Raul Bescos
- School of Health Professions, Faculty of Health, University of Plymouth, Plymouth, UK
| | - Colman McGrath
- Applied Oral Sciences & Community Dental Care, Hong Kong
| | - Michael McCullough
- Faculty of Medicine, Dentistry & Health Sciences, Melbourne Dental School, University of Melbourne, Carlton, Australia
| | - Zoë Brookes
- Peninsula Dental School, Plymouth University, Plymouth, UK.
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18
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Yan M, Xu C, Li C, Feng Y, Duan J, Zhao K, Wu D, Li G, Yang S, Han X, Xie Y, Huang Y, Yu X, Wu J, Zou L. Effects of environmental disinfection on microbial population and resistance genes: A case study of the microecology within a panda enclosure. ENVIRONMENTAL RESEARCH 2023; 235:116662. [PMID: 37453509 DOI: 10.1016/j.envres.2023.116662] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 07/02/2023] [Accepted: 07/11/2023] [Indexed: 07/18/2023]
Abstract
Widespread use of disinfectants raises concerns over their involvement in altering microbial communities and promoting antimicrobial resistance. This study explores the influence of disinfection protocols on microbial populations and resistance genes within an isolated enclosure environment and in the gut of giant pandas (GPs) held within. Samples of panda feces, air conditioning ducts, soil and bamboo were collected before and after disinfection. High-throughput sequencing characterized the microbial flora of GP gut and environmental microbes inside the artificial habitat. Microbial cultures showed that Escherichia coli (34.6%), Enterococcus (15.4%) and other pathogenic bacteria deposited in feces and the enclosure. Isolates exhibit a consistent resistance to disinfectant, with the greatest resistance shown to cyanuric acid, and the lowest to glutaraldehyde-dodecyl dimethyl ammonium bromide (GD-DDAB) and dodecyl dimethyl ammonium bromide (DDAB). The total number of the culturable bacteria in soil and bamboo were significantly diminished after disinfection but increased in the gut. After disinfection, the richness (Chao1 index) of environment samples increased significantly (P < 0.05), while the richness in gut decreased significantly (P < 0.05). Ten genera showed significant change in feces after disinfection. Metagenome sequencing showed that 126 types of virulence genes were present in feces before disinfection and 37 in soil. After disinfection, 110 virulence genes localized in feces and 53 in soil. Eleven virulence genes including ECP and T2SS increased in feces. A total of 182 antibiotic resistance genes (ARGs) subtypes, potentially conferring resistance to 20 classes of drugs, were detected in the soils and feces, with most belonging to efflux pump protein pathways. After disinfection, the number of resistance genes increased both in gut and soil, which suggests disinfection protocols increase the number of resistance pathways. Our study shows that the use of disinfectants helps to shape the microbial community of GPs and their habitat, and increases populations of resistant strain bacteria.
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Affiliation(s)
- Min Yan
- College of Resources, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Chunzhong Xu
- Shanghai Wild Animal Park, Shanghai, 201399, China
| | - Caiwu Li
- Key Laboratory of State Forestry and Grassland Administration (SFGA) on Conservation Biology of Rare Animals in the Giant Panda National Park, The China Conservation and Research Center for the Giant Panda (CCRCGP), Dujiangyan, 611830, China
| | - Yongqi Feng
- Shanghai Wild Animal Park, Shanghai, 201399, China
| | - Juntang Duan
- Shanghai Wild Animal Park, Shanghai, 201399, China
| | - Ke Zhao
- College of Resources, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Daifu Wu
- Key Laboratory of State Forestry and Grassland Administration (SFGA) on Conservation Biology of Rare Animals in the Giant Panda National Park, The China Conservation and Research Center for the Giant Panda (CCRCGP), Dujiangyan, 611830, China
| | - Guo Li
- Key Laboratory of State Forestry and Grassland Administration (SFGA) on Conservation Biology of Rare Animals in the Giant Panda National Park, The China Conservation and Research Center for the Giant Panda (CCRCGP), Dujiangyan, 611830, China
| | - Shengzhi Yang
- College of Life Science, Sichuan Agricultural University, Ya'an, 625014, Sichuan, China
| | - Xinfeng Han
- College of Veterinary Science, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Yue Xie
- College of Veterinary Science, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Yan Huang
- Key Laboratory of State Forestry and Grassland Administration (SFGA) on Conservation Biology of Rare Animals in the Giant Panda National Park, The China Conservation and Research Center for the Giant Panda (CCRCGP), Dujiangyan, 611830, China
| | - Xiumei Yu
- College of Resources, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Jiawei Wu
- College of Resources, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Likou Zou
- College of Resources, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China.
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19
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Ouyang L, Wang N, Irudayaraj J, Majima T. Virus on surfaces: Chemical mechanism, influence factors, disinfection strategies, and implications for virus repelling surface design. Adv Colloid Interface Sci 2023; 320:103006. [PMID: 37778249 DOI: 10.1016/j.cis.2023.103006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 09/07/2023] [Accepted: 09/22/2023] [Indexed: 10/03/2023]
Abstract
While SARS-CoV-2 is generally under control, the question of variants and infections still persists. Fundamental information on how the virus interacts with inanimate surfaces commonly found in our daily life and when in contact with the skin will be helpful in developing strategies to inhibit the spread of the virus. Here in, a critically important review of current understanding of the interaction between virus and surface is summarized from chemistry point-of-view. The Derjaguin-Landau-Verwey-Overbeek and extended Derjaguin-Landau-Verwey-Overbeek theories to model virus attachments on surfaces are introduced, along with the interaction type and strength, and quantification of each component. The virus survival and transfer are affected by a combination of biological, physical, and chemical parameters, as well as environmental parameters. The surface properties for virus and virus survival on typical surfaces such as metals, plastics, and glass are summarized. Attention is also paid to the transfer of virus to/from surfaces and skin. Typical virus disinfection strategies utilizing heat, light, chemicals, and ozone are discussed together with their disinfection mechanism. In the last section, design principles for virus repelling surface chemistry such as surperhydrophobic or surperhydrophilic surfaces are also introduced, to demonstrate how the integration of surface property control and advanced material fabrication can lead to the development of functional surfaces for mitigating the effect of viral infection upon contact.
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Affiliation(s)
- Lei Ouyang
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China.
| | - Nan Wang
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Joseph Irudayaraj
- Department of Bioengineering, College of Engineering, University of Illinois Urbana-Champaign, Urbana, IL 61801, United States
| | - Tetsuro Majima
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China; The Institute of Scientific and Industrial Research (SANKEN), Osaka University, Ibaraki, Osaka 567-0047, Japan
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20
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Oh E, Choi SJ, Han S, Lee KH, Choi HJ. Highly Effective Salt-Activated Alcohol-Based Disinfectants with Enhanced Antimicrobial Activity. ACS NANO 2023; 17:17811-17825. [PMID: 37639494 DOI: 10.1021/acsnano.3c03315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Surfaces contaminated with pathogens raise concerns about the increased risk of disease transmission and infection. To clean biocontaminated surfaces, alcohol-based disinfectants have been predominantly used for disinfecting high-touch areas in diverse settings. However, due to its limited antimicrobial activities and concern over the emergence of alcohol-tolerant strains, much effort has been made to develop highly efficient disinfectant formulations. In this study, we hypothesize that the addition of a physical pathogen inactivation mechanism by salt recrystallization (besides the existing chemical inactivation mechanism by alcohol in such formulations) can improve inactivation efficiency by preventing the emergence of alcohol tolerance. To this end, we employed the drying-induced salt recrystallization process to implement the concept of highly efficient alcohol-based disinfectant formulations. To identify the individual and combined effects of isopropyl alcohol (IPA) and NaCl, time-dependent morphological/structural changes of various IPA solutions containing NaCl have been characterized by optical microscopy/X-ray diffraction analysis. Their antimicrobial activities have been tested on surfaces (glass slide, polystyrene Petri dish, and stainless steel) contaminated with Gram-positive/negative bacteria (methicillin-resistant Staphylococcus aureus, Pseudomonas aeruginosa, and Salmonella enterica subsp. enterica Typhimurium) and viruses (A/PR8/34 H1N1 influenza virus and HCoV-OC43 human coronavirus). We found that additional salt crystallization during the drying of the alcohol solution facilitated stronger biocidal effects than IPA-only formulations, regardless of the types of solid surfaces and pathogens, including alcohol-tolerant strains adapted from wild-type Escherichia coli MG1655. Our findings can be useful in developing highly effective disinfectant formulations by minimizing the use of toxic antimicrobial substances to improve public health and safety.
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Affiliation(s)
- Euna Oh
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada
| | - Seung Joon Choi
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Sumin Han
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada
| | - Kyu Hyoung Lee
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Hyo-Jick Choi
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada
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21
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Yang L, Pahlavan AA, Stone HA, Bain CD. Evaporation of alcohol droplets on surfaces in moist air. Proc Natl Acad Sci U S A 2023; 120:e2302653120. [PMID: 37695912 PMCID: PMC10515150 DOI: 10.1073/pnas.2302653120] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 08/01/2023] [Indexed: 09/13/2023] Open
Abstract
Droplets of alcohol-based formulations are common in applications from sanitizing sprays to printing inks. However, our understanding of the drying dynamics of these droplets on surfaces and the influence of ambient humidity is still very limited. Here, we report the drying dynamics of picoliter droplets of isopropyl alcohol deposited on a surface under controlled humidity. Condensation of water vapor in the ambient environment onto alcohol droplets leads to unexpectedly complex drying behavior. As relative humidity (RH) increases, we observed a variety of phenomena including enhanced spreading, nonmonotonic changes in the drying time, the formation of pancake-like shapes that suppress the coffee-ring effect, and the formation of water-rich films around an alcohol-rich drop. We developed a lubrication model that accounts for the coupling between the flow field within the drop, the shape of the drop, and the vapor concentration field. The model reproduces many of the experimentally observed morphological and dynamic features, revealing the presence of unusually large spatial compositional gradients within the evaporating droplet and surface-tension-gradient-driven flows arising from water condensation/evaporation at the surface of the droplet. One unexpected feature from the simulation is that water can evaporate and condense concurrently in different parts of the drop, providing fundamental insights that simpler models based on average fluxes lack. We further observed rim instabilities at higher RH that are well-described by a model based on the Rayleigh-Plateau instability. Our findings have implications for the testing and use of alcohol-based disinfectant sprays and printing inks.
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Affiliation(s)
- Lisong Yang
- Department of Chemistry, Durham University, DurhamDH1 3LE, UK
| | - Amir A. Pahlavan
- Department of Mechanical Engineering & Materials Science, Yale University, New Haven, CT06511
| | - Howard A. Stone
- Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ08544
| | - Colin D. Bain
- Department of Chemistry, Durham University, DurhamDH1 3LE, UK
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22
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Hyun SW, Han S, Son JW, Song MS, Kim DA, Ha SD. Development and efficacy assessment of hand sanitizers and polylactic acid films incorporating caffeic acid and vanillin for enhanced antiviral properties against HCoV-229E. Virol J 2023; 20:194. [PMID: 37641064 PMCID: PMC10463313 DOI: 10.1186/s12985-023-02159-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 08/14/2023] [Indexed: 08/31/2023] Open
Abstract
BACKGROUND Although three years after the outbreak of SARS-CoV-2, the virus is still having a significant impact on human health and the global economy. Infection through respiratory droplets is the main transmission route, but the transmission of the virus by surface contact cannot be ignored. Hand sanitizers and antiviral films can be applied to control SARS-CoV-2, but sanitizers and films show drawbacks such as resistance of the virus against ethanol and environmental problems including the overuse of plastics. Therefore, this study suggested applying natural substrates to hand sanitizers and antiviral films made of biodegradable plastic (PLA). This approach is expected to provide advantages for the easy control of SARS-CoV-2 through the application of natural substances. METHODS Antiviral disinfectants and films were manufactured by adding caffeic acid and vanillin to ethanol, isopropyl alcohol, benzalkonium chloride, and PLA. Antiviral efficacies were evaluated with slightly modified international standard testing methods EN 14,476 and ISO 21,702. RESULTS In suspension, all the hand sanitizers evaluated in this study showed a reduction of more than 4 log within 2 min against HCoV-229E. After natural substances were added to the hand sanitizers, the time needed to reach the detection limit of the viral titer was shortened both in suspension and porcine skin. However, no difference in the time needed to reach the detection limit of the viral titer was observed in benzalkonium chloride. In the case of antiviral films, those made using both PLA and natural substances showed a 1 log reduction of HCoV-229E compared to the neat PLA film for all treatment groups. Furthermore, the influence of the organic load was evaluated according to the number of contacts of the antiviral products with porcine skin. Ten rubs on the skin resulted in slightly higher antiviral activity than 50 rubs. CONCLUSION This study revealed that caffeic acid and vanillin can be effectively used to control HCoV-229E for hand sanitizers and antiviral films. In addition, it is recommended to remove organic matter from the skin for maintaining the antiviral activity of hand sanitizer and antiviral film as the antiviral activity decreased as the organic load increased in this study.
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Affiliation(s)
- Seok-Woo Hyun
- Department of Food Science and Technology, Advanced Food Safety Research Group, Chung-Ang University, Anseong-si, Gyeonggi-do, 17546, Republic of Korea
| | - Sangha Han
- Department of Food Science and Technology, Advanced Food Safety Research Group, Chung-Ang University, Anseong-si, Gyeonggi-do, 17546, Republic of Korea
| | - Jeong Won Son
- Department of Food Science and Technology, Advanced Food Safety Research Group, Chung-Ang University, Anseong-si, Gyeonggi-do, 17546, Republic of Korea
| | - Min Su Song
- Department of Food Science and Technology, Advanced Food Safety Research Group, Chung-Ang University, Anseong-si, Gyeonggi-do, 17546, Republic of Korea
| | - Dan Ah Kim
- Department of Food Science and Technology, Advanced Food Safety Research Group, Chung-Ang University, Anseong-si, Gyeonggi-do, 17546, Republic of Korea
| | - Sang-Do Ha
- Department of Food Science and Technology, Advanced Food Safety Research Group, Chung-Ang University, Anseong-si, Gyeonggi-do, 17546, Republic of Korea.
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23
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Ghach W, Safwan J, Kerek R, Alwan N. Evaluation of awareness and performance towards COVID-related disinfectant use among the university communities in Lebanon. BMC Public Health 2023; 23:1582. [PMID: 37596576 PMCID: PMC10439643 DOI: 10.1186/s12889-023-16515-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 08/11/2023] [Indexed: 08/20/2023] Open
Abstract
BACKGROUND The fast spread of COVID-19 reinforced the daily use of disinfectants around the world. However, the awareness gap of disinfectant use could lead to health risks during the prevention of the pandemic. This study aims to assess the level of awareness and performance towards COVID-related disinfectant use among various university communities (student, staff, and faculty) in Lebanon. METHODS A cross-sectional study was conducted between December 2021 and June 2022 among 925 participants (males and females aged between 18 and 64 years old) from academic settings in Lebanese universities using convenience sampling. An online validated survey (score-based questionnaire) of personal disinfectants' utilization was conducted to evaluate the awareness and performance levels using SPSS (version 21). Mann-Whitney and Kruskal-Wallis tests were used to check significant differences in awareness and performance levels among gender, age, provinces, educational level, university status, and field of study. Friedman test was used to test for significant differences in performance level questions pre-and post-COVID-19. The Spearman correlation test was used to determine the correlation between the awareness and performance of the respondents regarding the use of disinfectants. RESULTS It was found that the majority of the respondents showed a weak level of awareness (70.8%) while their performance (61.9%) was moderate. Spearman's correlation analysis concluded a weak correlation between the awareness and performance levels (p < 0.01). The Mann-Whitney test indicated that there was a significant difference (p < 0.05) in awareness and performance levels between males and females. Another notable variable was the educational level of the respondents (p < 0.05) with postgraduate degrees holders recording higher mean scores of awareness than the ones with undergraduate and high school degrees as per Kruskal-Wallis test. Significant differences were shown in awareness scores among the age groups and in performance scores among the field of study (p < 0.05). CONCLUSIONS The study findings highlighted the necessity of awareness campaigns and training programs addressing the technical handling of disinfectants among the communities in Lebanon. Lebanese governmental authorities (Ministry of Public Health, MoPH, and Ministry of Education and Higher Education, MEHE), and the healthcare professionals and public health researchers in Lebanon may utilize this new evidence to initiate public health interventions as a part of the United Nations (UN) sustainability goal of wellbeing (Sustainable Development Goal 3, SDG 3).
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Affiliation(s)
- Wissam Ghach
- Faculty of Communication, Arts and Sciences, Canadian University Dubai, Dubai, United Arab Emirates.
- School of Health Sciences, Modern University for Business and Science, Beirut, Lebanon.
| | - Jihan Safwan
- School of Pharmacy, Lebanese International University, Beirut, Lebanon
- INSPECT-LB, Institut National de Santé Publique d'Épidémiologie Clinique et de Toxicologie-Liban, Beirut, Lebanon
| | - Racha Kerek
- Faculty of Health Sciences, Lebanese University, Tripoli, Lebanon
- Department of Natural Sciences, Lebanese American University, Byblos, Lebanon
| | - Nisreen Alwan
- College of Health Sciences, Abu Dhabi University, Abu Dhabi, United Arab Emirates.
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24
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Amin H, Šantl-Temkiv T, Cramer C, Finster K, Real FG, Gislason T, Holm M, Janson C, Jögi NO, Jogi R, Malinovschi A, Marshall IPG, Modig L, Norbäck D, Shigdel R, Sigsgaard T, Svanes C, Thorarinsdottir H, Wouters IM, Schlünssen V, Bertelsen RJ. Indoor Airborne Microbiome and Endotoxin: Meteorological Events and Occupant Characteristics Are Important Determinants. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:11750-11766. [PMID: 37523308 PMCID: PMC10433529 DOI: 10.1021/acs.est.3c01616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 07/13/2023] [Accepted: 07/13/2023] [Indexed: 08/02/2023]
Abstract
Airborne bacteria and endotoxin may affect asthma and allergies. However, there is limited understanding of the environmental determinants that influence them. This study investigated the airborne microbiomes in the homes of 1038 participants from five cities in Northern Europe: Aarhus, Bergen, Reykjavik, Tartu, and Uppsala. Airborne dust particles were sampled with electrostatic dust fall collectors (EDCs) from the participants' bedrooms. The dust washed from the EDCs' clothes was used to extract DNA and endotoxin. The DNA extracts were used for quantitative polymerase chain (qPCR) measurement and 16S rRNA gene sequencing, while endotoxin was measured using the kinetic chromogenic limulus amoebocyte lysate (LAL) assay. The results showed that households in Tartu and Aarhus had a higher bacterial load and diversity than those in Bergen and Reykjavik, possibly due to elevated concentrations of outdoor bacterial taxa associated with low precipitation and high wind speeds. Bergen-Tartu had the highest difference (ANOSIM R = 0.203) in β diversity. Multivariate regression models showed that α diversity indices and bacterial and endotoxin loads were positively associated with the occupants' age, number of occupants, cleaning frequency, presence of dogs, and age of the house. Further studies are needed to understand how meteorological factors influence the indoor bacterial community in light of climate change.
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Affiliation(s)
- Hesham Amin
- Department
of Clinical Science, University of Bergen, 5021 Bergen, Norway
| | - Tina Šantl-Temkiv
- Section
for Microbiology, Department of Biology, Aarhus University, 8000 Aarhus, Denmark
| | - Christine Cramer
- Department
of Public Health, Environment, Work and Health, Danish Ramazzini Center, Aarhus University, 8000 Aarhus, Denmark
- Department
of Occupational Medicine, Danish Ramazzini Center, Aarhus University Hospital, 8200 Aarhus, Denmark
| | - Kai Finster
- Section
for Microbiology, Department of Biology, Aarhus University, 8000 Aarhus, Denmark
| | | | | | - Mathias Holm
- Department
of Occupational and Environmental Medicine, University of Gothenburg, 405 30 Gothenburg, Sweden
| | - Christer Janson
- Department
of Medical Sciences: Respiratory, Allergy, Sleep Research, Uppsala University, 751 85 Uppsala, Sweden
- Department
of Medical Sciences: Clinical Physiology, Uppsala University, 751
85 Uppsala, Sweden
| | - Nils Oskar Jögi
- Department
of Clinical Science, University of Bergen, 5021 Bergen, Norway
| | - Rain Jogi
- Tartu
University Hospital, Lung Clinic, 50406 Tartu, Estonia
| | - Andrei Malinovschi
- Department
of Medical Sciences: Clinical Physiology, Uppsala University, 751
85 Uppsala, Sweden
| | - Ian P. G. Marshall
- Section
for Microbiology, Department of Biology, Aarhus University, 8000 Aarhus, Denmark
| | - Lars Modig
- Division
of Occupational and Environmental Medicine, Department of Public Health
and Clinical Medicine, Umeå University, 901 87 Umeå, Sweden
| | - Dan Norbäck
- Department of Medical
Sciences, Occupational and Environmental Medicine, Uppsala University, 751
85 Uppsala, Sweden
| | - Rajesh Shigdel
- Department
of Clinical Science, University of Bergen, 5021 Bergen, Norway
| | - Torben Sigsgaard
- Department
of Public Health, Environment, Work and Health, Danish Ramazzini Center, Aarhus University, 8000 Aarhus, Denmark
| | - Cecilie Svanes
- Department of Occupational Medicine, Haukeland
University Hospital, 5053 Bergen, Norway
- Centre for International Health, University
of Bergen Department of Global Public Health and Primary Care, 5009 Bergen, Norway
| | - Hulda Thorarinsdottir
- Department of Anesthesia
and Intensive Care, Landspitali University
Hospital, 101 Reykjavik, Iceland
| | - Inge M. Wouters
- Institute for Risk Assessment Sciences, Faculty of Veterinary Medicine, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Vivi Schlünssen
- Department
of Public Health, Environment, Work and Health, Danish Ramazzini Center, Aarhus University, 8000 Aarhus, Denmark
| | - Randi J. Bertelsen
- Department
of Clinical Science, University of Bergen, 5021 Bergen, Norway
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25
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Wei S, Hu X, Hu X, Wan Y, Fan G, Wang J. In vitro evaluation for estrogenic mechanisms of the disinfectant benzalkonium chloride as an emerging contaminant. Braz J Med Biol Res 2023; 56:e12784. [PMID: 37493774 PMCID: PMC10361637 DOI: 10.1590/1414-431x2023e12784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 05/31/2023] [Indexed: 07/27/2023] Open
Abstract
This study aimed to evaluate in vitro the possible mechanisms underlying the estrogenic potential of benzalkonium chloride (BAC) as a disinfectant emerging contaminant. Effects of BAC at the environmentally-relevant concentrations on estrogen synthesis and estrogen receptor (ER) signaling were assessed using the H295R steroidogenesis assay and the MCF-7 proliferation assay, respectively. Results showed that exposure to BAC at concentrations of 1.0-1.5 mg/L for 48 h significantly increased estradiol production of H295R cells in a concentration-dependent manner. Transcription of steroidogenic genes 3β-HSD2, 17β-HSD1, 17β-HSD4, and CYP19A were significantly enhanced by BAC. In ER-positive MCF-7 cells, exposure to 0.5-1.5 mg/L BAC for 48 h significantly promoted cell proliferation and increased the expressions of ERα and G-protein coupled estrogen receptor 1. Flow cytometry analysis showed that 0.5-1.5 mg/L BAC significantly decreased the percentage of cells in G0/G1 phase, increased the percentage in S phase, and BAC at concentrations of 1.0 and 1.5 mg/L increased the G2/M phase cells. Findings of the study suggested that BAC at environmentally-relevant concentrations might act as a xenoestrogen through its inhibitory effect on steroidogenesis and ER-mediated mechanism.
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Affiliation(s)
- Songyi Wei
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, China
| | - Xianmin Hu
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, China
| | - Xinyi Hu
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, China
| | - Yisheng Wan
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, China
| | - Guangquan Fan
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, China
| | - Jun Wang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, China
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26
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Jones L, Efron N, Bandamwar K, Barnett M, Jacobs DS, Jalbert I, Pult H, Rhee MK, Sheardown H, Shovlin JP, Stahl U, Stanila A, Tan J, Tavazzi S, Ucakhan OO, Willcox MDP, Downie LE. TFOS Lifestyle: Impact of contact lenses on the ocular surface. Ocul Surf 2023; 29:175-219. [PMID: 37149139 DOI: 10.1016/j.jtos.2023.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 04/10/2023] [Indexed: 05/08/2023]
Abstract
Several lifestyle choices made by contact lens wearers can have adverse consequences on ocular health. These include being non-adherent to contact lens care, sleeping in lenses, ill-advised purchasing options, not seeing an eyecare professional for regular aftercare visits, wearing lenses when feeling unwell, wearing lenses too soon after various forms of ophthalmic surgery, and wearing lenses when engaged in risky behaviors (e.g., when using tobacco, alcohol or recreational drugs). Those with a pre-existing compromised ocular surface may find that contact lens wear exacerbates ocular disease morbidity. Conversely, contact lenses may have various therapeutic benefits. The coronavirus disease-2019 (COVID-19) pandemic impinged upon the lifestyle of contact lens wearers, introducing challenges such as mask-associated dry eye, contact lens discomfort with increased use of digital devices, inadvertent exposure to hand sanitizers, and reduced use of lenses. Wearing contact lenses in challenging environments, such as in the presence of dust and noxious chemicals, or where there is the possibility of ocular trauma (e.g., sport or working with tools) can be problematic, although in some instances lenses can be protective. Contact lenses can be worn for sport, theatre, at high altitude, driving at night, in the military and in space, and special considerations are required when prescribing in such situations to ensure successful outcomes. A systematic review and meta-analysis, incorporated within the review, identified that the influence of lifestyle factors on soft contact lens dropout remains poorly understood, and is an area in need of further research. Overall, this report investigated lifestyle-related choices made by clinicians and contact lens wearers and discovered that when appropriate lifestyle choices are made, contact lens wear can enhance the quality of life of wearers.
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Affiliation(s)
- Lyndon Jones
- Centre for Ocular Research & Education (CORE), School of Optometry and Vision Science, University of Waterloo, Waterloo, ON, Canada.
| | - Nathan Efron
- School of Optometry and Vision Science, Queensland University of Technology, Kelvin Grove, Queensland, Australia
| | - Kalika Bandamwar
- Department of Ophthalmology, New Zealand National Eye Centre, The University of Auckland, Auckland, New Zealand
| | - Melissa Barnett
- University of California, Davis Eye Center, Sacramento, CA, USA
| | - Deborah S Jacobs
- Massachusetts Eye & Ear, Harvard Medical School, Boston, MA, USA
| | - Isabelle Jalbert
- School of Optometry and Vision Science, UNSW Sydney, NSW, Australia
| | - Heiko Pult
- Dr Heiko Pult Optometry & Vision Research, Weinheim, Germany
| | | | - Heather Sheardown
- Department of Chemical Engineering, McMaster University, Hamilton, Ontario, Canada
| | | | - Ulli Stahl
- Centre for Ocular Research & Education (CORE), School of Optometry and Vision Science, University of Waterloo, Waterloo, ON, Canada
| | | | - Jacqueline Tan
- School of Optometry and Vision Science, UNSW Sydney, NSW, Australia
| | - Silvia Tavazzi
- Department of Materials Science, University of Milano-Bicocca, Milan, Italy
| | | | - Mark D P Willcox
- School of Optometry and Vision Science, UNSW Sydney, NSW, Australia
| | - Laura E Downie
- Department of Optometry and Vision Sciences, The University of Melbourne, Parkville, Victoria, Australia
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27
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Parra-Acevedo V, Ocazionez RE, Stashenko EE, Silva-Trujillo L, Rondón-Villarreal P. Comparative Virucidal Activities of Essential Oils and Alcohol-Based Solutions against Enveloped Virus Surrogates: In Vitro and In Silico Analyses. Molecules 2023; 28:molecules28104156. [PMID: 37241897 DOI: 10.3390/molecules28104156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/10/2023] [Accepted: 05/15/2023] [Indexed: 05/28/2023] Open
Abstract
The large-scale use of alcohol (OH)-based disinfectants to control pathogenic viruses is of great concern because of their side effects on humans and harmful impact on the environment. There is an urgent need to develop safe and environmentally friendly disinfectants. Essential oils (EOs) are generally recognized as safe (GRAS) by the FDA, and many exhibit strong antiviral efficacy against pathogenic human enveloped viruses. The present study investigated the virucidal disinfectant activity of solutions containing EO and OH against DENV-2 and CHIKV, which were used as surrogate viruses for human pathogenic enveloped viruses. The quantitative suspension test was used. A solution containing 12% EO + 10% OH reduced > 4.0 log10 TCID50 (100% reduction) of both viruses within 1 min of exposure. In addition, solutions containing 12% EO and 3% EO without OH reduced > 4.0 log10 TCID50 of both viruses after 10 min and 30 min of exposure, respectively. The binding affinities of 42 EO compounds and viral envelope proteins were investigated through docking analyses. Sesquiterpene showed the highest binding affinities (from -6.7 to -8.0 kcal/mol) with DENV-2 E and CHIKV E1-E2-E3 proteins. The data provide a first step toward defining the potential of EOs as disinfectants.
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Affiliation(s)
- Valentina Parra-Acevedo
- Centro de Cromatografía y Espectrometría de Masas-CROM-MASS, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Raquel E Ocazionez
- Centro de Cromatografía y Espectrometría de Masas-CROM-MASS, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Elena E Stashenko
- Centro de Cromatografía y Espectrometría de Masas-CROM-MASS, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Lina Silva-Trujillo
- Centro de Cromatografía y Espectrometría de Masas-CROM-MASS, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Paola Rondón-Villarreal
- Facultad de Ciencias Médicas y de la Salud, Instituto de Investigación Masira, Universidad de Santander, Bucaramanga 680003, Colombia
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28
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Hashemi F, Hoepner L, Hamidinejad FS, Haluza D, Afrashteh S, Abbasi A, Omeragić E, Imamović B, Rasheed NA, Taher TMJ, Kurniasari F, Wazqar DY, Apalı ÖC, Yildirim AD, Zhao B, Kalikyan Z, Guo C, Valbuena AC, Mititelu M, Pando CM, Saridi M, Toska A, Cuba ML, Kwadzokpui PK, Tadele N, Nasibova T, Harsch S, Munkh-Erdene L, Menawi W, Evangelou E, Dimova A, Marinov D, Dimitrova T, Shalimova A, Fouly H, Suraya A, da Silva Faquim JP, Oumayma B, Annunziato MA, Lalo R, Papastavrou E, Ade AD, Caminada S, Stojkov S, Narvaez CG, Mudau LS, Rassas I, Michel D, Kaynar NS, Iqbal S, Elshwekh H, Hossain I, Al-Fayyadh S, Sydorchuk A, Alnusairat DMH, Abdullahi AM, Iqbal N, Pandey A, Gómez-Gómez B, Akyildiz AG, Morosan E, Dwarica D, Dorj G, Hasan SY, Al-Shdayfat NM, Knezevic B, Valladares W, Severi C, Fuentes SC, Augusto S, Sidorova E, Moelyaningrum AD, Alawad T, Khalid A, Elehamer NMK, Mihaylova A, Tsigengagel O, Menouni A, Wojtecka A, Hod R, Idayat YB, Othman K, Harfouch RM, Paunov T, Omar M, Benderli NC, Nurika G, Amjad S, Elnoamany S, Elesrigy F, Shaban MM, Acevedo-López D, Kartashova M, Khalaf A, Jaafar SA, Kadhim TA, Hweissa NA, Teng Y, Mohammed FE, Sasikumar T, Hikaambo CN, Kharat A, Lyamtseva U, Aldeeb MA, Pawlas N, Khorolsuren L, Koonjul RP, Maïnassara HB, Chahal P, Wangeci RW, Kumar AB, Zamora-Corrales I, Gracy S, Mahamat M, Adamczyk J, Rahman HA, Matiashova L, Elsherif OE, Alkhateeb NE, Aleaga Y, Bahrami S, Al-Salihy SR, Cabrera-Galeana P, Lalic-Popovic M, Brown-Myrie E, Bhandari D, Mayaboti CA, Stanišić S, Pestic SK, Bektay MY, Al Sabbah H, Hashemi S, Assia B, Merritt AS, Ramzi Z, Baboolal H, Isstaif J, Shami R, Saad R, Nyirongo T, Hoseini M. A comprehensive health effects assessment of the use of sanitizers and disinfectants during COVID-19 pandemic: a global survey. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-27197-6. [PMID: 37166731 PMCID: PMC10173232 DOI: 10.1007/s11356-023-27197-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 04/19/2023] [Indexed: 05/12/2023]
Abstract
COVID-19 has affected all aspects of human life so far. From the outset of the pandemic, preventing the spread of COVID-19 through the observance of health protocols, especially the use of sanitizers and disinfectants was given more attention. Despite the effectiveness of disinfection chemicals in controlling and preventing COVID-19, there are critical concerns about their adverse effects on human health. This study aims to assess the health effects of sanitizers and disinfectants on a global scale. A total of 91,056 participants from 154 countries participated in this cross-sectional study. Information on the use of sanitizers and disinfectants and health was collected using an electronic questionnaire, which was translated into 26 languages via web-based platforms. The findings of this study suggest that detergents, alcohol-based substances, and chlorinated compounds emerged as the most prevalent chemical agents compared to other sanitizers and disinfectants examined. Most frequently reported health issues include skin effects and respiratory effects. The Chi-square test showed a significant association between chlorinated compounds (sodium hypochlorite and per-chlorine) with all possible health effects under investigation (p-value <0.001). Examination of risk factors based on multivariate logistic regression analysis showed that alcohols and alcohols-based materials were associated with skin effects (OR, 1.98; 95%CI, 1.87-2.09), per-chlorine was associated with eye effects (OR, 1.83; 95%CI, 1.74-1.93), and highly likely with itching and throat irritation (OR, 2.00; 95%CI, 1.90-2.11). Furthermore, formaldehyde was associated with a higher prevalence of neurological effects (OR, 2.17; 95%CI, 1.92-2.44). Furthermore, formaldehyde was associated with a higher prevalence of neurological effects (OR, 2.17; 95%CI, 1.92-2.44). The use of sodium hypochlorite and per-chlorine also had a high chance of having respiratory effects. The findings of the current study suggest that health authorities need to implement more awareness programs about the side effects of using sanitizers and disinfectants during viral epidemics especially when they are used or overused.
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Affiliation(s)
- Fallah Hashemi
- Department of Environmental Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Lori Hoepner
- Department of Environmental and Occupational Health Sciences, School of Public Health, SUNY Downstate Health Sciences Center, Brooklyn, NY, USA
| | - Farahnaz Soleimani Hamidinejad
- Department of Medicine, O.O. Bogomolets National Medical University, Kyiv, Ukraine
- Department of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Daniela Haluza
- Center for Public Health, Department for Environmental Medicine, Medical University of Vienna, Kinderspitalgasse 15, 1090, Vienna, Austria
| | - Sima Afrashteh
- Department of Biostatistics and Epidemiology, Faculty of Health and Nutrition, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Alireza Abbasi
- Department of Environmental Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Elma Omeragić
- Faculty of Pharmacy, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Belma Imamović
- Faculty of Pharmacy, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Narin A Rasheed
- Department of Medical Laboratory Technology, College of Health and Medical Technology Shekhan, Duhok Polytechnic University, Duhok, Kurdistan Region, Iraq
| | - Taqi M J Taher
- Family and Community Medicine Department, College of Medicine, University of Wasit, Kut, Wasit, Iraq
| | - Fitri Kurniasari
- Department of Environmental Health, Faculty of Public Health, University of Indonesia, Jakarta, Indonesia
| | - Dhuha Youssef Wazqar
- Department of Medical-Surgical Nursing, Faculty of Nursing, King Abdulaziz University, Jeddah, Saudi Arabia
| | | | | | - Bo Zhao
- Department of Health Administration, Graduate School, Yonsei University, 1 Yonseidae-Gicl, Wonju, Gangwon-do, 26493, South Korea
| | - Zaruhi Kalikyan
- Department of Clinical Immunology and Allergology, Yerevan State Medical University, Yerevan, Armenia
| | - Cui Guo
- Department of Urban Planning and Design, The University of Hong Kong, Hong Kong, China
| | | | - Magdalena Mititelu
- Department of Clinical Laboratory and Food Safety, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | | | - Maria Saridi
- School of Social Sciences, Hellenic Open University, Patras, Greece
| | - Aikaterini Toska
- School of Social Sciences, Hellenic Open University, Patras, Greece
| | - Magalys Lopez Cuba
- Department of Pathology, School of Medicine, University of Health and Allied Sciences, Ho, Ghana
| | - Precious Kwablah Kwadzokpui
- Department of Medical Laboratory Science, School of Allied Health Sciences, University of Health and Allied Sciences, Ho, Ghana
| | - Niguse Tadele
- Department of Nursing, School of Nursing & Midwifery, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
| | - Tohfa Nasibova
- General and Toxicological Chemistry Department, Azerbaijan Medical University, Baku, Azerbaijan
| | - Stefanie Harsch
- Institute of Sociology, University of Education Freiburg, Freiburg, Germany
| | - Luvsan Munkh-Erdene
- Department of Health Policy, School of Public Health, Mongolian National University of Medical Sciences, Ulan Bator, Mongolia
| | - Wafaa Menawi
- Public Health Management Program, Faculty of Graduate Studies, An-Najah University, Nablus, State of Palestine
| | - Efi Evangelou
- Nursing Department Limassol, Cyprus University of Technology, Limassol, Cyprus
| | - Antoniya Dimova
- Faculty of Public Health, Medical University Varna, 55 Marin Drinov Street, 9002, Varna, Bulgaria
| | - Dimitar Marinov
- Department of Hygiene and Epidemiology, Faculty of Public Health, Medical University of Varna, Varna, Bulgaria
| | - Teodora Dimitrova
- Department of Hygiene and Epidemiology, Faculty of Public Health, Medical University of Varna, Varna, Bulgaria
| | - Anna Shalimova
- Internal Medicine N1, Kharkiv National Medical University, Kharkiv, Ukraine
| | - Howieda Fouly
- Reproductive Health Nursing (Gynecology and Obstetrics Nursing), Faculty of Nursing, Assiut University, Asyut, Egypt
| | - Anna Suraya
- CIHLMU Center for International Health, University Hospital, LMU, Munich, Germany
- Occupational Safety and Health Department, Binawan University, East Jakarta, Indonesia
| | | | - Bouadil Oumayma
- National School of Applied Sciences of Al Hoceima, Abdelmalek Essaadi University, Tetouan, Morocco
| | | | - Rezarta Lalo
- Department of Health Care, Faculty of Public Health, The University of Vlore "Ismail Qemali", Vlore, Albania
| | | | - Anju D Ade
- Department of Community Medicine, SVIMS, Sri Padamavathi Medical College, Tirupati, Andhra Pradesh, India
| | - Susanna Caminada
- Department of Public Health and Infectious Diseases, Sapienza University, Rome, Italy
| | - Svetlana Stojkov
- Department of Social Pharmacy, Faculty of Pharmacy, University Business Academy in Novi Sad, Novi Sad, Serbia
| | | | - Lutendo Sylvia Mudau
- Department of Environmental Health, Faculty of Science, Tshwane University of Technology, Pretoria, South Africa
| | - Ines Rassas
- Department of Occupational Medicine and Ergonomics, Faculty of Medicine, University of Monastir, Monastir, Tunisia
| | - Daphnee Michel
- West Department, Quisqueya University, Port-au-Prince, Haiti
| | - Nur Sema Kaynar
- Public Health Nursing Department, Florence Nightingale Faculty of Nursing, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Sehar Iqbal
- Department of Public Health and Nutrition, Al Ain University, Abu Dahbi, United Arab Emirates
| | - Halla Elshwekh
- Department of Genetic Engineering, The Biotechnology Research Center, Tripoli, Libya
| | - Irin Hossain
- Department of Occupational and Environmental Health (OEH), NIPSOM, Mohakhali, Dhaka, Bangladesh
| | - Sadeq Al-Fayyadh
- Adult Nursing Department, College of Nursing, University of Baghdad, Baghdad, Iraq
| | - Aniuta Sydorchuk
- Department of Infectious Diseases and Epidemiology, Bukovinian State Medical University, Chernivtsi, Ukraine
| | - Dua'a M H Alnusairat
- Clinical Sciences Department, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | | | - Neelam Iqbal
- Environmental Epidemiology Group, UK Health Security Agency, Chilton, Oxon, UK
| | - Apsara Pandey
- Maharajgunj Nursing Campus, Institute of Medicine, Tribhuvan University, Kathmandu, Nepal
| | - Brenda Gómez-Gómez
- Department of Infectious Diseases, Centro Médico ABC, Mexico City, Mexico
| | - Aysenur Gunaydin Akyildiz
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Bezmialem Vakif University, Istanbul, Turkey
| | - Elena Morosan
- Department of Clinical Laboratory and Food Safety, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Daniella Dwarica
- Faculty of Medical Sciences, University of the West Indies, St. Augustine, Trinidad and Tobago
| | - Gantuya Dorj
- Department of Epidemiology and Biostatistics, School of Public Health, Mongolian National University of Medical Sciences, Ulan Bator, Mongolia
| | - Sumaya Yusuf Hasan
- Department of Natural Resources and Environment, College of Graduate Studies, Arabian Gulf University, Manama, Bahrain
| | - Noha M Al-Shdayfat
- Community and Mental Health Department, Al al-Bayt University, Mafraq, Jordan
| | | | - Wendy Valladares
- Microbiology Research Institute, National Autonomous University of Honduras, Tegucigalpa, Honduras
| | - Cecilia Severi
- Department of Preventive Medicine, Faculty of Medicine, University of the Republic, Montevideo, Uruguay
| | | | - Sofia Augusto
- EPIUnit-Institute of Public Health, University of Porto, Porto, Portugal
| | | | - Anita Dewi Moelyaningrum
- Public Health Faculty, Environmental Health and Occupational Health and Savety Departement, University of Jember, Jember, Indonesia
| | - Tafaul Alawad
- Faculty of Public and Environmental Health, University of Khartoum, Khartoum, Sudan
| | - Atiqa Khalid
- Sahiwal Medical College, University of Health Sciences, Lahore, Pakistan
| | | | - Anna Mihaylova
- Medical College, Medical University of Plovdiv, Plovdiv, Bulgaria
| | - Oxana Tsigengagel
- Department of Public Health, NCJSC "Semey Medical University", Semey, Kazakhstan
| | - Aziza Menouni
- Environment and Health Unit, Department of Public Health and Primary Care, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Agnieszka Wojtecka
- Department of Public Health and Social Medicine, Medical University of Gdansk, Gdansk, Poland
| | - Rozita Hod
- Department of Community Health, Faculty of Medicine, University Kebangsaan Malaysia, Bangi, Malaysia
| | - Yusuf Banke Idayat
- Department of Environmental Health Sciences, University of Ibadan, Ibadan, Nigeria
| | - Khadija Othman
- Ministry of Foreign Affairs and East African Cooperation, Dodoma, Tanzania
| | - Rim M Harfouch
- Department of Microbiology and Biochemistry, Al Sham Private University, Latakia, Syria
| | - Tsonco Paunov
- Department of Hygiene and Epidemiology, Faculty of Public Health, Medical University of Varna, Varna, Bulgaria
| | - Meruyert Omar
- Department of Population Health and Social Sciences, Kazakhstan's Medical University School of Public Health, Almaty, Kazakhstan
| | - Nana Christine Benderli
- Biotechnology Center, University of Yaoundé I, Yaoundé, Cameroon
- Department of Animals Biology and Physiology, University of Yaoundé I, Yaoundé, Cameroon
| | - Globila Nurika
- Public Health Faculty, Environmental Health and Occupational Health and Savety Departement, University of Jember, Jember, Indonesia
| | - Sana Amjad
- Department of Obstetrics and Gynaecology, University of Alberta, Edmonton, Canada
| | - Salma Elnoamany
- Family Medicine Department, Faculty of Medicine, Menoufia University, Menoufia, Egypt
| | - Fatma Elesrigy
- Family Medicine Department, Faculty of Medicine, Menoufia University, Menoufia, Egypt
| | - Marwa Mamdouh Shaban
- Community Health Nursing Department, Faculty of Nursing, Cairo-University, Cairo, Egypt
| | - Doménica Acevedo-López
- Faculty of Medicine, Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
| | - Maria Kartashova
- Department of Human Pathology, Sechenov University, Moscow, Russia
| | - Atika Khalaf
- Faculty of Health Sciences, Kristianstad University, Kristianstad, Sweden
- College of Nursing, Sultan Qaboos University, Muscat, Oman
| | | | - Taisir A Kadhim
- College of Nursing, University of Al-Muthanna, Samawah, Iraq
| | - Nada Ab Hweissa
- Department of Public Health, Faculty of Medical Technology, Zawia University, Zawia, Libya
| | - Yulong Teng
- Department of Korean Language and Literature, Graduate School, Yonsei University, Gangwon-do, South Korea
| | | | | | | | - Aditi Kharat
- College of Pharmacy, University of Utah, Salt Lake City, UT, USA
| | - Ulyana Lyamtseva
- Department of Medicine of the Future, Sechenov University, Moscow, Russia
| | - Maya Arfan Aldeeb
- Hamad Medical Corporation, Doha, Qatar
- Damascus University, Damascus, Syria
| | - Natalia Pawlas
- Department of Pharmacology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Katowice, Poland
| | - Lkhagvasuren Khorolsuren
- Institute of Public Health, Mongolian National University of Medical Sciences, Ulan Bator, Mongolia
| | | | | | | | - Rose W Wangeci
- Health Sciences, School of Public Health, University of Nairobi, Nairobi, Kenya
| | - Ainur B Kumar
- Department of Health Policy and Management, School of Public Health, Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan
| | | | - Stella Gracy
- Department of Biomedical Sciences, University of Asmara, Asmara, Eritrea
| | - Maimouna Mahamat
- Department of Internal Medicine and Specialties, Faculty of Medicine and Biomedical Sciences, Yaounde General Hospital, Yaounde, Cameroon
| | - Jakub Adamczyk
- Faculty of Health Sciences, Jan Długosz University of Humanities and Life Sciences, Czestochowa, Poland
| | - Haliza Abdul Rahman
- Department of Environmental and Health Sciences, Faculty of Medicine & Health Sciences, Universiti Putra Malaysia, Selangor, Malaysia
| | - Lolita Matiashova
- T Malaya Therapy National Institute, National Academy of Medical Sciences of Ukraine, Kharkiv, Ukraine
| | | | - Nazdar E Alkhateeb
- Department of Medical Education, College of Medicine, Hawler Medical University, Erbil, Iraq
| | - Yamilé Aleaga
- Department of Clinical Microbiology, Institute of Tropical Medicine "Pedro Kouri", Havana, Cuba
| | | | | | | | - Mladena Lalic-Popovic
- Department of Pharmacy, Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia
| | - Eugenie Brown-Myrie
- Department of Pharmaceutics, School of Pharmacy, College of Health Sciences, University of Technology, Kingston, Jamaica
| | | | | | | | - Sanda Kreitmayer Pestic
- Family Medicine Department, Medical School, University of Tuzla, Tuzla, Bosnia and Herzegovina
| | - Muhammed Yunus Bektay
- Clinical Pharmacy Department, Faculty of Pharmacy, Marmara University, Istanbul, Turkey
| | - Haleama Al Sabbah
- Department of Health Sciences, Zayed University, Dubai, United Arab Emirates
| | - Saber Hashemi
- Department of Chemical Engineering, Faculty of Engineering, University of Kurdistan, Sanandaj, Iran
| | - Bouchetara Assia
- Peadiatric's Infectious diseases, Hospital of Canastel and Faculty of Medicine, Oran, Algeria
| | - Anne-Sophie Merritt
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Zhian Ramzi
- College of Nursing, University of Sulaimani, Kurdistan, Sulaimani, Iraq
| | - Himawatee Baboolal
- Faculty of Medical Sciences, University of the West Indies, St. Augustine, Trinidad and Tobago
| | - Juman Isstaif
- Department of Neurology, Faculty of Medicine, Damascus University, Damascus, Syria
| | - Rula Shami
- Department of Public Health, College of Health Sciences, Qatar University, Doha, Qatar
| | - Rahma Saad
- Department of Public Health, Qatar University, Doha, Qatar
| | | | - Mohammad Hoseini
- Research Center for Health Sciences, Institute of Health, Shiraz, Iran.
- Department of Environmental Health, School of Health, Shiraz University of Medical Sciences, Razi Blvd, Kuye-Zahra Ave, Shiraz, 1417653861, Iran.
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Sun C, Zhang T, Zhou Y, Liu ZF, Zhang Y, Bian Y, Feng XS. Triclosan and related compounds in the environment: Recent updates on sources, fates, distribution, analytical extraction, analysis, and removal techniques. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 870:161885. [PMID: 36731573 DOI: 10.1016/j.scitotenv.2023.161885] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 01/18/2023] [Accepted: 01/24/2023] [Indexed: 06/18/2023]
Abstract
Triclosan (TCS) has been widely used in daily life because of its broad-spectrum antibacterial activities. The residue of TCS and related compounds in the environment is one of the critical environmental safety problems, and the pandemic of COVID-19 aggravates the accumulation of TCS and related compounds in the environment. Therefore, detecting TCS and related compound residues in the environment is of great significance to human health and environmental safety. The distribution of TCS and related compounds are slightly different worldwide, and the removal methods also have advantages and disadvantages. This paper summarized the research progress on the source, distribution, degradation, analytical extraction, detection, and removal techniques of TCS and related compounds in different environmental samples. The commonly used analytical extraction methods for TCS and related compounds include solid-phase extraction, liquid-liquid extraction, solid-phase microextraction, liquid-phase microextraction, and so on. The determination methods include liquid chromatography coupled with different detectors, gas chromatography and related methods, sensors, electrochemical method, capillary electrophoresis. The removal techniques in various environmental samples mainly include biodegradation, advanced oxidation, and adsorption methods. Besides, both the pros and cons of different techniques have been compared and summarized, and the development and prospect of each technique have been given.
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Affiliation(s)
- Chen Sun
- School of Pharmacy, China Medical University, Shenyang 110122, China; Department of Pharmaceutics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Ting Zhang
- Department of Thyroid Surgery, The First Hospital of China Medical University, Shenyang 110001, China
| | - Yu Zhou
- Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Zhi-Fei Liu
- School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Yuan Zhang
- School of Pharmacy, China Medical University, Shenyang 110122, China.
| | - Yu Bian
- School of Pharmacy, China Medical University, Shenyang 110122, China.
| | - Xue-Song Feng
- School of Pharmacy, China Medical University, Shenyang 110122, China.
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30
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Łuniewska K, Szymański K, Kondratiuk K, Hallmann E, Brydak LB. The Impact of the COVID-19 Pandemic on Influenza Transmission in Poland. Microorganisms 2023; 11:microorganisms11040970. [PMID: 37110392 PMCID: PMC10145443 DOI: 10.3390/microorganisms11040970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 03/23/2023] [Accepted: 04/06/2023] [Indexed: 04/29/2023] Open
Abstract
BACKGROUND The aim of this study was to determine whether the occurrence of the SARS-CoV-2 pandemic affected the incidence of influenza in Poland and the efficiency of the SENTINEL influenza surveillance system. METHODS The analysis was based on virologic data from the 2018/2019-2021/2022 epidemic seasons. The data in question were obtained from the SENTINEL influenza surveillance system, which is utilized in Poland. RESULTS In the 2020/2021 epidemic season, only one positive case was confirmed. In the epidemic season of 2021/2022, the number of positive cases increased. There was a delay in the peak of the season, since the start of pandemic, which was observed in the 14th week of 2022. Previously, it was recorded in the 5-10th week, depending on the season. Before the pandemic, the number of positive samples in relation to the tested ones oscillated between 41-49.4%. After the pandemic, it was 0.3% and below 20%, respectively, for season 2020/2021 and season 2021/2022. CONCLUSIONS The COVID-19 pandemic caused a decline in many other infectious diseases, including influenza, as a result of the numerous lockdowns and from people shifting to remote work. Other safety measures, such as obligatory protective masks and the use of disinfectants, had a significant impact on reducing the number of cases.
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Affiliation(s)
- Katarzyna Łuniewska
- National Influenza Centre, Department of Influenza Research, National Institute of Public Health NIH-National Research Institute, 00-791 Warsaw, Poland
| | - Karol Szymański
- National Influenza Centre, Department of Influenza Research, National Institute of Public Health NIH-National Research Institute, 00-791 Warsaw, Poland
| | - Katarzyna Kondratiuk
- National Influenza Centre, Department of Influenza Research, National Institute of Public Health NIH-National Research Institute, 00-791 Warsaw, Poland
| | - Ewelina Hallmann
- National Influenza Centre, Department of Influenza Research, National Institute of Public Health NIH-National Research Institute, 00-791 Warsaw, Poland
| | - Lidia Bernadeta Brydak
- National Influenza Centre, Department of Influenza Research, National Institute of Public Health NIH-National Research Institute, 00-791 Warsaw, Poland
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31
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Hoffmann K, Michalak M, Bońka A, Bryl W, Myśliński W, Kostrzewska M, Kopciuch D, Zaprutko T, Ratajczak P, Nowakowska E, Kus K, Paczkowska A. Association between Compliance with COVID-19 Restrictions and the Risk of SARS-CoV-2 Infection in Poland. Healthcare (Basel) 2023; 11:healthcare11060914. [PMID: 36981571 PMCID: PMC10048166 DOI: 10.3390/healthcare11060914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 03/10/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
During the coronavirus disease 19 (COVID-19) pandemic it has become very important to comply with preventive measures. We aimed to assess compliance with applicable restrictions and to explore the links between the level of compliance and the risk of COVID-19. This cross-sectional study included Polish adults who were asked to complete a validated questionnaire. The study period was from 1 November 2020 to 31 January 2021 and a computer-assisted web interview method was chosen to perform the survey. The study involved 562 women and 539 men. COVID-19 was reported in 11.26% of participants. A good level of compliance with the sanitary restrictions was reported for 38.87% of participants, an average level of compliance for 47.96%, and a low level of compliance for 13.17%. A reduced risk of COVID-19 was associated with the following preventive measures: regular use of protective masks, social and physical distancing in public places, regular use of hand sanitizers with high ethanol content, and the use of disposable gloves in public places. Our survey revealed satisfactory public compliance with the pandemic restrictions. Sanitary and epidemiologic measures to prevent the pandemic were shown to be adequate and effective.
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Affiliation(s)
- Karolina Hoffmann
- Department of Internal Diseases, Metabolic Disorders and Arterial Hypertension, Poznan University of Medical Sciences, 60-572 Poznań, Poland
| | - Michał Michalak
- Department of Computer Science and Statistics, Poznan University of Medical Sciences, 61-701 Poznań, Poland
| | - Aleksandra Bońka
- Department of Pharmacoeconomics and Social Pharmacy, Poznan University of Medical Sciences, 61-701 Poznań, Poland
| | - Wiesław Bryl
- Department of Internal Diseases, Metabolic Disorders and Arterial Hypertension, Poznan University of Medical Sciences, 60-572 Poznań, Poland
| | - Wojciech Myśliński
- Department of Internal Disease, Medical University of Lublin, 20-059 Lublin, Poland
| | - Magdalena Kostrzewska
- Department of Pulmonology, Allergology and Pulmonological Oncology, Poznan University of Medical Sciences, 61-701 Poznań, Poland
| | - Dorota Kopciuch
- Department of Computer Science and Statistics, Poznan University of Medical Sciences, 61-701 Poznań, Poland
| | - Tomasz Zaprutko
- Department of Computer Science and Statistics, Poznan University of Medical Sciences, 61-701 Poznań, Poland
| | - Piotr Ratajczak
- Department of Computer Science and Statistics, Poznan University of Medical Sciences, 61-701 Poznań, Poland
| | - Elżbieta Nowakowska
- Department of Pharmacology and Toxicology Institute of Health Sciences, Collegium Medicum, University of Zielona Góra, 65-417 Zielona Góra, Poland
| | - Krzysztof Kus
- Department of Computer Science and Statistics, Poznan University of Medical Sciences, 61-701 Poznań, Poland
| | - Anna Paczkowska
- Department of Computer Science and Statistics, Poznan University of Medical Sciences, 61-701 Poznań, Poland
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32
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Jia Y, Wang Z, Zhu S, Wang Z, Liu Y. Disinfectants facilitate the transformation of exogenous antibiotic resistance genes via multiple pathways. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 253:114678. [PMID: 36857920 DOI: 10.1016/j.ecoenv.2023.114678] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 02/19/2023] [Accepted: 02/21/2023] [Indexed: 06/18/2023]
Abstract
The prevalence and spread of multidrug-resistant (MDR) bacteria pose a global challenge to public health. Natural transformation is one of the essential ways for horizontal transfer of antibiotic resistance genes (ARGs). Although disinfectants are frequently used during COVID-19, little is known about whether these disinfectants are associated with the transformation of plasmid-borne ARGs. In our study, we assessed the effect of some disinfectants on bacterial transformation using resistance plasmids as extracellular DNA and E. coli DH5α as the recipient bacteria. The results showed that these disinfectants at environmentally relevant concentrations, including benzalkonium bromide (BB), benzalkonium chloride (BC) and polyhexamethylene guanidine hydrochloride (PHMG), significantly enhanced the transformation of plasmid-encoded ARGs. Furthermore, we investigated the mechanisms underlying the promotive effect of disinfectants on transformation. We revealed that the addition of disinfectants significantly increased the membrane permeability and promoted membrane-related genes expression. Moreover, disinfectants led to the boosted bacterial respiration, ATP production and flagellum motility, as well as increased expression of bacterial secretion system-related genes. Together, our findings shed insights into the spread of ARGs through bacterial transformation and indicate potential risks associated with the widespread use of disinfectants.
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Affiliation(s)
- Yuqian Jia
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
| | - Zeyu Wang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
| | - Shuyao Zhu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
| | - Zhiqiang Wang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, China.
| | - Yuan Liu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, China; Institute of Comparative Medicine, Yangzhou University, Yangzhou, Jiangsu, China.
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Kayed K, Khoder G, Farhat J, Ghemrawi R. Mobile Phones: Reservoirs of Resistant Bacteria during the COVID-19 Pandemic in Abu Dhabi, United Arab Emirates. Microorganisms 2023; 11:microorganisms11020523. [PMID: 36838487 PMCID: PMC9962086 DOI: 10.3390/microorganisms11020523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/13/2023] [Accepted: 02/15/2023] [Indexed: 02/22/2023] Open
Abstract
BACKGROUND Mobile phones are excessively used even though microbes' ability to survive on phone surfaces was confirmed. During the COVID-19 pandemic, heavy hygiene practices have been applied to mobile surfaces. Therefore, it is interesting to evaluate the emergence of antimicrobial-resistant bacteria on mobile phone surfaces. METHODS A random sampling technique was utilized on residents in Abu Dhabi, UAE between May and June 2021. A swab sample from each participant's mobile phone was collected and transported to the microbiology laboratory for bacterial culture and antimicrobial susceptibility tests. Furthermore, a cross-sectional study was conducted via a self-administered questionnaire filled by participants. The questionnaire was used to collect sociodemographic data, phone frequency usage and cleaning methods. RESULTS One hundred two-sample swabs and data have been included in the study. The majority of participants (91.1%) reported cleaning their mobile phones with wipes and alcohol. However, 100% of participants had a mobile phone contaminated by bacteria such as S. aureus, E. coli, Coagulase-negative staphylococci, Micrococcus, Bacillus, Streptococcus, Citrobacter, Proteus, Enterococcus, klebsiella, Pseudomonas and Actinobacteria. Interestingly, most of these potentially pathogenic bacteria were found to be resistant to ampicillin, ceftazidime and cefotaxime. CONCLUSION The continuous hand and mobile disinfectant have contributed to the emergence of resistant bacteria.
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Affiliation(s)
- Kawthar Kayed
- College of Pharmacy, Al Ain University, Abu Dhabi P.O. Box 112612, United Arab Emirates
- AAU Health and Biomedical Research Center, Al Ain University, Abu Dhabi P.O. Box 112612, United Arab Emirates
| | - Ghalia Khoder
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates
| | - Joviana Farhat
- Department of Epidemiology and Population Health, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi P.O. Box 127788, United Arab Emirates
| | - Rose Ghemrawi
- College of Pharmacy, Al Ain University, Abu Dhabi P.O. Box 112612, United Arab Emirates
- AAU Health and Biomedical Research Center, Al Ain University, Abu Dhabi P.O. Box 112612, United Arab Emirates
- Correspondence:
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34
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Choi W, Kim YH, Min J. Inhibition of Enveloped Virus Surrogate Phi6 Infection Using Yeast-Derived Vacuoles. Microbiol Spectr 2023; 11:e0266122. [PMID: 36688634 PMCID: PMC9927162 DOI: 10.1128/spectrum.02661-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
The periodic emergence of infectious disease poses a serious threat to human life. Among the causative agents, including pathogenic bacteria and fungi, enveloped viruses have caused global pandemics. In the last 10 years, outbreaks of severe acute respiratory syndrome coronavirus 2 disease, severe acute respiratory syndrome, and Middle East respiratory syndrome have all been caused by enveloped viruses. Among several paths of secondary transmission, inhalation of aerosols containing saliva with sputum droplets from infected patients is the major path. To prevent these infectious diseases, mass use of antiviral agents is essential. The yeast-derived vacuole is a small organelle in which hydrolytic enzymes are concentrated. It is an intracellular organ with an excellent ability to process old organelles and bacteria and viruses that have invaded from the outside and can be present in sufficient quantity to be called a kind of enzyme bomb. We confirmed the inhibition of virus infection and structural collapse by vacuole treatment. Among several enzymes, proteases affected Phi6 infectivity. This study tried to isolate these vacuoles from yeast and use them as an antiviral agent for virus treatment, which is a recent issue. We confirmed that viral infectivity was inactivated, and structure collapsed through vacuole treatment. This paper is meaningful in that extracellularly isolated yeast-derived vacuoles are a first attempt to utilize vacuoles for viral treatment. IMPORTANCE The study assesses the vacuoles isolated from the yeast Saccharomyces cerevisiae as green antiviral agents to decrease the concerns about massive use of chemical antiviral agents and its side effects. To prevent the spreading of infectious diseases, personal or public use of antiviral agents is encouraged. The concern about the active compounds of these chemical antiviral agents has grown. Active compounds of antiviral agents have potential side effects on human health and the environment. Our proposed approach suggests effective and green antivirus material from a nonhazardous yeast strain. Also, large-scale production using a fermentation process can allow cost-effectiveness. The results showed sufficient reduced infectivity by vacuole treatment. The exposed vacuole can play the roles of both enzyme bomb to the virus and renewable nutrient source in the ecosystem.
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Affiliation(s)
- Wooil Choi
- Graduate School of Semiconductor and Chemical Engineering, Jeonbuk National University, Jeonbuk, South Korea
| | - Yang-Hoon Kim
- School of Biological Sciences, Chungbuk National University, Cheongju, South Korea
| | - Jiho Min
- Graduate School of Semiconductor and Chemical Engineering, Jeonbuk National University, Jeonbuk, South Korea
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Milanović M, Đurić L, Milošević N, Milić N. Comprehensive insight into triclosan-from widespread occurrence to health outcomes. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:25119-25140. [PMID: 34741734 PMCID: PMC8571676 DOI: 10.1007/s11356-021-17273-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 10/25/2021] [Indexed: 05/17/2023]
Abstract
Humans are exposed to the variety of emerging environmental pollutant in everyday life. The special concern is paid to endocrine disrupting chemicals especially to triclosan which could interfere with normal hormonal functions. Triclosan could be found in numerous commercial products such as mouthwashes, toothpastes and disinfectants due to its antibacterial and antifungal effects. Considering the excessive use and disposal, wastewaters are recognized as the main source of triclosan in the aquatic environment. As a result of the incomplete removal, triclosan residues reach surface water and even groundwater. Triclosan has potential to accumulate in sediment and aquatic organisms. Therefore, the detectable concentrations of triclosan in various environmental and biological matrices emerged concerns about the potential toxicity. Triclosan impairs thyroid homeostasis and could be associated with neurodevelopment impairment, metabolic disorders, cardiotoxicity and the increased cancer risk. The growing resistance of the vast groups of bacteria, the evidenced toxicity on different aquatic organisms, its adverse health effects observed in vitro, in vivo as well as the available epidemiological studies suggest that further efforts to monitor triclosan toxicity at environmental levels are necessary. The safety precaution measures and full commitment to proper legislation in compliance with the environmental protection are needed in order to obtain triclosan good ecological status. This paper is an overview of the possible negative triclosan effects on human health. Sources of exposure to triclosan, methods and levels of detection in aquatic environment are also discussed.
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Affiliation(s)
- Maja Milanović
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Novi Sad, Serbia.
| | - Larisa Đurić
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Novi Sad, Serbia
| | - Nataša Milošević
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Novi Sad, Serbia
| | - Nataša Milić
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Novi Sad, Serbia
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Freitas ÍN, Dourado AV, Araújo APDC, Souza SSD, Luz TMD, Guimarães ATB, Gomes AR, Islam ARMT, Rahman MM, Arias AH, Mubarak Ali D, Ragavendran C, Kamaraj C, Malafaia G. Toxicity assessment of SARS-CoV-2-derived peptides in combination with a mix of pollutants on zebrafish adults: A perspective study of behavioral, biometric, mutagenic, and biochemical toxicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:159838. [PMID: 36343805 PMCID: PMC9635251 DOI: 10.1016/j.scitotenv.2022.159838] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 10/26/2022] [Accepted: 10/26/2022] [Indexed: 05/19/2023]
Abstract
The dispersion of SARS-CoV-2 in aquatic environments via the discharge of domestic and hospital sewage has been confirmed in different locations. Thus, we aimed to evaluate the possible impacts of zebrafish (Danio rerio) exposure to SARS-CoV-2 peptide fragments (PSPD-2001, 2002, and 2003) alone and combined with a mix of emerging pollutants. Our data did not reveal the induction of behavioral, biometric, or mutagenic changes. But we noticed an organ-dependent biochemical response. While nitric oxide and malondialdehyde production in the brain, gills, and muscle did not differ between groups, superoxide dismutase activity was reduced in the "PSPD", "Mix", and "Mix+PSPD" groups. An increase in catalase activity and a reduction in DPPH radical scavenging activity were observed in the brains of animals exposed to the treatments. However, the "Mix+PSPD" group had a higher IBRv2 value, with NO levels (brain), the reduction of acetylcholinesterase activity (muscles), and the DPPH radical scavenging activity (brain and muscles), the most discriminant factors for this group. The principal component analysis (PCA) and hierarchical clustering analysis indicated a clear separation of the "Mix+PSPD" group from the others. Thus, we conclude that exposure to viral fragments, associated with the mix of pollutants, induced more significant toxicity in zebrafish adults than in others.
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Affiliation(s)
- Ítalo Nascimento Freitas
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Amanda Vieira Dourado
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil
| | | | - Sindoval Silva de Souza
- Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil
| | - Thiarlen Marinho da Luz
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil
| | | | - Alex Rodrigues Gomes
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | | | - Md Mostafizur Rahman
- Laboratory of Environmental Health and Ecotoxicology, Department of Environmental Sciences, Jahangirnagar University, Dhaka 1342, Bangladesh
| | - Andrés Hugo Arias
- Instituto Argentino de Oceanografía (IADO), Universidad Nacional del Sur (UNS)-CONICET, Florida 8000, Complejo CCT CONICET Bahía Blanca, Edificio E1, B8000BFW Bahía Blanca, Argentina
| | - Davoodbasha Mubarak Ali
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan BE1410, Brunei Darussalam
| | - Chinnasamy Ragavendran
- Department of Conservative Dentistry and Endodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, India
| | - Chinnaperumal Kamaraj
- Interdisciplinary Institute of Indian System of Medicine (IIISM), Directorate of Research and Virtual Education, SRM Institute of Science and Technology (SRMIST), Kattankulathur 603203, Tamil Nadu, India
| | - Guilherme Malafaia
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil; Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil.
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Ekanayake A, Rajapaksha AU, Hewawasam C, Anand U, Bontempi E, Kurwadkar S, Biswas JK, Vithanage M. Environmental challenges of COVID-19 pandemic: resilience and sustainability - A review. ENVIRONMENTAL RESEARCH 2023; 216:114496. [PMID: 36257453 PMCID: PMC9576205 DOI: 10.1016/j.envres.2022.114496] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 09/14/2022] [Accepted: 10/01/2022] [Indexed: 05/05/2023]
Abstract
The emergence of novel respiratory disease (COVID-19) caused by SARS-CoV-2 has become a public health emergency worldwide and perturbed the global economy and ecosystem services. Many studies have reported the presence of SARS-CoV-2 in different environmental compartments, its transmission via environmental routes, and potential environmental challenges posed by the COVID-19 pandemic. None of these studies have comprehensively reviewed the bidirectional relationship between the COVID-19 pandemic and the environment. For the first time, we explored the relationship between the environment and the SARS-CoV-2 virus/COVID-19 and how they affect each other. Supporting evidence presented here clearly demonstrates the presence of SARS-CoV-2 in soil and water, denoting the role of the environment in the COVID-19 transmission process. However, most studies fail to determine if the viral genomes they have discovered are infectious, which could be affected by the environmental factors in which they are found.The potential environmental impact of the pandemic, including water pollution, chemical contamination, increased generation of non-biodegradable waste, and single-use plastics have received the most attention. For the most part, efficient measures have been used to address the current environmental challenges from COVID-19, including using environmentally friendly disinfection technologies and employing measures to reduce the production of plastic wastes, such as the reuse and recycling of plastics. Developing sustainable solutions to counter the environmental challenges posed by the COVID-19 pandemic should be included in national preparedness strategies. In conclusion, combating the pandemic and accomplishing public health goals should be balanced with environmentally sustainable measures, as the two are closely intertwined.
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Affiliation(s)
- Anusha Ekanayake
- Ecosphere Resilience Research Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, 10250, Sri Lanka
| | - Anushka Upamali Rajapaksha
- Ecosphere Resilience Research Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, 10250, Sri Lanka; Instrument Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, 10250, Sri Lanka.
| | - Choolaka Hewawasam
- Faculty of Technology, University of Sri Jayewardenepura, Nugegoda, 10250, Sri Lanka
| | - Uttpal Anand
- Zuckerberg Institute for Water Research, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben Gurion, 8499000, Israel
| | - Elza Bontempi
- INSTM and Chemistry for Technologies Laboratory, University of Brescia, via Branze 38, 25123 Brescia, Italy
| | - Sudarshan Kurwadkar
- Department of Civil and Environmental Engineering, California State University, 800 N. State College Blvd., Fullerton, CA, 92831, USA
| | - Jayanta Kumar Biswas
- Department of Ecological Studies & International Centre for Ecological Engineering, University of Kalyani, Kalyani, Nadia, 741235, West Bengal, India
| | - Meththika Vithanage
- Ecosphere Resilience Research Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, 10250, Sri Lanka; Sustainability Cluster, School of Engineering, University of Petroleum & Energy Studies, Dehradun, Uttarakhand, 248007, India
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Chaudhary KR, Kujur S, Singh K. Recent advances of nanotechnology in COVID 19: A critical review and future perspective. OPENNANO 2023; 9. [PMCID: PMC9749399 DOI: 10.1016/j.onano.2022.100118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The global anxiety and economic crisis causes the deadly pandemic coronavirus disease of 2019 (COVID 19) affect millions of people right now. Subsequently, this life threatened viral disease is caused due to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). However, morbidity and mortality of infected patients are due to cytokines storm syndrome associated with lung injury and multiorgan failure caused by COVID 19. Thereafter, several methodological advances have been approved by WHO and US-FDA for the detection, diagnosis and control of this wide spreadable communicable disease but still facing multi-challenges to control. Herein, we majorly emphasize the current trends and future perspectives of nano-medicinal based approaches for the delivery of anti-COVID 19 therapeutic moieties. Interestingly, Nanoparticles (NPs) loaded with drug molecules or vaccines resemble morphological features of SARS-CoV-2 in their size (60–140 nm) and shape (circular or spherical) that particularly mimics the virus facilitating strong interaction between them. Indeed, the delivery of anti-COVID 19 cargos via a nanoparticle such as Lipidic nanoparticles, Polymeric nanoparticles, Metallic nanoparticles, and Multi-functionalized nanoparticles to overcome the drawbacks of conventional approaches, specifying the site-specific targeting with reduced drug loading and toxicities, exhibit their immense potential. Additionally, nano-technological based drug delivery with their peculiar characteristics of having low immunogenicity, tunable drug release, multidrug delivery, higher selectivity and specificity, higher efficacy and tolerability switch on the novel pathway for the prevention and treatment of COVID 19.
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Affiliation(s)
- Kabi Raj Chaudhary
- Department of Pharmaceutics, ISF College of Pharmacy, Ghal Kalan, Ferozpur G.T Road, Moga, Punjab 142001, India,Department of Research and Development, United Biotech (P) Ltd. Bagbania, Nalagarh, Solan, Himachal Pradesh, India,Corresponding author at: Department of Pharmaceutics, ISF College of Pharmacy, Ghal Kalan, Ferozpur G.T Road, MOGA, Punjab 142001, India
| | - Sima Kujur
- Department of Pharmaceutics, ISF College of Pharmacy, Ghal Kalan, Ferozpur G.T Road, Moga, Punjab 142001, India
| | - Karanvir Singh
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Ghal Kalan, Ferozpur G.T Road, Moga, Punjab 142001, India,Department of Research and Development, United Biotech (P) Ltd. Bagbania, Nalagarh, Solan, Himachal Pradesh, India
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Baskak D, Ozbey S, Yucesan M, Gul M. COVID-19 safe campus evaluation for universities by a hybrid interval type-2 fuzzy decision-making model. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:8133-8153. [PMID: 36056282 PMCID: PMC9438885 DOI: 10.1007/s11356-022-22796-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 08/26/2022] [Indexed: 06/15/2023]
Abstract
The fight against the COVID-19 pandemic, which has affected the whole world in recent years and has had devastating effects on all segments of society, has been one of the most important priorities. The Turkish Standards Institution has determined a checklist to contribute to developing safe and clean environments in higher education institutions in Turkey and to follow-up on infection control measures. However, this study is only a checklist that makes it necessary for decision-makers to make a subjective evaluation during the evaluation process, while the need to develop a more effective, systematic framework that takes into account the importance levels of multiple criteria has emerged. Therefore, this study applies the best-worst method under interval type-2 fuzzy set concept (IT2F-BWM) to determine the importance levels of criteria affecting the "COVID-19 safe campus" evaluation of universities in the context of global pandemic. A three-level hierarchy consisting of three main criteria, 11 sub-criteria, and 58 sub-criteria has been created for this aim. Considering the hierarchy, the most important sub-criterion was determined as periodic disinfection. The high contribution of the interval-valued type-2 fuzzy sets in expressing the uncertainty in the decision-makers' evaluations and the fact that BWM provides criterion weights with a mathematical optimization model that produces less pairwise comparisons and higher consistency are the main factors in choosing this approach. Simple additive weighting (SAW) has also been injected into the IT2F-BWM to determine the safety level of any university campus regarding COVID-19. Thus, decision-makers will be better prepared for the devastating effects of the pandemic by first improving the factors that are relatively important in the fight against the pandemic. In addition, a threshold value will be determined by considering all criteria, and it will prepare the ground for a road map for campuses. A case study is employed to apply the proposed model, and a comparison study is also presented with the Bayesian BWM to validate the results of the criteria weights.
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Affiliation(s)
- Dilber Baskak
- Faculty of Health Sciences, Department of Emergency Aid and Disaster Management, Munzur University, Tunceli, Turkey
| | - Sumeyye Ozbey
- Faculty of Health Sciences, Department of Emergency Aid and Disaster Management, Munzur University, Tunceli, Turkey
| | - Melih Yucesan
- Faculty of Health Sciences, Department of Emergency Aid and Disaster Management, Munzur University, Tunceli, Turkey
| | - Muhammet Gul
- School of Transportation and Logistics, Istanbul University, 34320 Avcılar-Istanbul, Turkey
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Green Synthesis of Copper Nanoparticles Using Red Dragon Fruit (Hylocereus polyrhizus) Extract and Its Antibacterial Activity for Liquid Disinfectant. JURNAL KIMIA SAINS DAN APLIKASI 2022. [DOI: 10.14710/jksa.25.10.352-361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023] Open
Abstract
The effort of copper nanoparticle exploration for antibacterial cleaning agents needs to prevent infection or contamination of microorganisms such as bacteria and viruses due to its potential characteristic as an environmentally benign material. The synthesis of copper nanoparticles using 0.02 M Cu(NO3)2 as a precursor and red dragon fruit extract as a bioreduction agent has been conducted. The extraction process of red dragon fruit was done by the maceration method using methanol as solvent. Copper nanoparticles were prepared through green chemistry with the reduction method. The compound in red dragon fruit extract reduced Cu2+ to Cu. The experimental nanoparticle synthesis method was performed with a combination of red dragon fruit extract and Cu(NO3)2 solution mixed with a volume ratio of bioreductor extract toward Cu2+ precursor variation of 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, and 1:9. The mixtures were stirred using a magnetic stirrer for 30 minutes and then incubated. The samples were characterized using UV-Vis (Ultraviolet-Visible), FTIR (Fourier Transform Infrared), and a digital microscope to observe morphology. The observation continued to assess its antibacterial activity and potency as an active disinfectant. UV-Vis analysis showed that the absorbance value for 30 minutes tended to be stable. Particle size estimation showed the smallest size of 122.12 nm at a volume ratio of 1:9. Functional group analysis using FTIR showed a shift in wavenumber between dragon fruit extract and copper nanoparticle (CuNPs), indicating a functional group interaction. The results of morphological analysis using a digital microscope showed that the particles with fine powder granules were produced with the composition of fruit extract: Cu(NO3)2 of 1:9. Antibacterial activity against Staphylococcus aureus and Escherichia coli indicated that the composition of Cu-nanoparticles of 1:9 had given an inhibition value.
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Puspita K, Chiari W, Abdulmadjid SN, Idroes R, Iqhrammullah M. Four Decades of Laccase Research for Wastewater Treatment: Insights from Bibliometric Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 20:308. [PMID: 36612634 PMCID: PMC9819511 DOI: 10.3390/ijerph20010308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 12/20/2022] [Accepted: 12/21/2022] [Indexed: 06/17/2023]
Abstract
Increasing trends of environmental pollution and emerging contaminants from anthropogenic activities have urged researchers to develop innovative strategies in wastewater management, including those using the biocatalyst laccase (EC 1.10.3.2). Laccase works effectively against a variety of substrates ranging from phenolic to non-phenolic compounds which only require molecular oxygen to be later reduced to H2O as the final product. In this study, we performed a bibliometric analysis on the metadata of literature acquired through the Scopus database (24 October 2022) with keyword combination "Laccase" AND "Pollutant" OR "Wastewater". The included publications were filtered based on year of publication (1978-2022), types of articles (original research articles and review articles) and language (English). The metadata was then exported in a CSV (.csv) file and visualized on VosViewer software. A total of 1865 publications were identified, 90.9% of which were original research articles and the remaining 9.1% were review articles. Most of the authors were from China (n = 416; 22.3%) and India (n = 276; 14.79%). In the case of subject area, 'Environmental Science' emerged with the highest published documents (n = 1053; 56.46%). The identified papers mostly cover laccase activity in degrading pollutants, and chitosan, which can be exploited for the immobilization. We encourage more research on laccase-assisted wastewater treatment, especially in terms of collaborations among organizations.
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Affiliation(s)
- Kana Puspita
- Department of Chemistry Education, Faculty of Education and Teacher Training, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
| | - Williams Chiari
- Department of Mathematics, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
- Innovative Sustainability Lab, PT. Biham Riset dan Edukasi, Banda Aceh 23243, Indonesia
| | - Syahrun N. Abdulmadjid
- Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
| | - Rinaldi Idroes
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
- Department of Pharmacy, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
| | - Muhammad Iqhrammullah
- Innovative Sustainability Lab, PT. Biham Riset dan Edukasi, Banda Aceh 23243, Indonesia
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
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Polymeric Materials as Indispensable Tools to Fight RNA Viruses: SARS-CoV-2 and Influenza A. BIOENGINEERING (BASEL, SWITZERLAND) 2022; 9:bioengineering9120816. [PMID: 36551022 PMCID: PMC9816944 DOI: 10.3390/bioengineering9120816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/03/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022]
Abstract
Towards the end of 2019 in Wuhan, suspicions of a new dangerous virus circulating in the air began to arise. It was the start of the world pandemic coronavirus disease 2019 (COVID-19). Since then, considerable research data and review papers about this virus have been published. Hundreds of researchers have shared their work in order to achieve a better comprehension of this disease, all with the common goal of overcoming this pandemic. The coronavirus is structurally similar to influenza A. Both are RNA viruses and normally associated with comparable infection symptoms. In this review, different case studies targeting polymeric materials were appraised to highlight them as an indispensable tool to fight these RNA viruses. In particular, the main focus was how polymeric materials, and their versatile features could be applied in different stages of viral disease, i.e., in protection, detection and treatment.
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Wang G, Yang L, Jiang L, Chen J, Jing Q, Mai Y, Deng L, Lin Y, Chen L, Chen Z, Xu P, Jiang L, Yuan C, Huang M. A new class of quaternary ammonium compounds as potent and environmental friendly disinfectants. JOURNAL OF CLEANER PRODUCTION 2022; 379:134632. [PMID: 36246409 PMCID: PMC9552062 DOI: 10.1016/j.jclepro.2022.134632] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 09/29/2022] [Accepted: 10/07/2022] [Indexed: 05/21/2023]
Abstract
Quaternary ammonium compounds (QACs) are inexpensive and readily available disinfectants, and have been widely used, especially since the COVID-19 outbreak. The toxicity of QACs to humans has raised increasing concerns in recent years. Here, a new type of QACs was synthesized by replacing the alkyl chain with zinc phthalocyanine (ZnPc), which consists of a large aromatic ring and is hydrophobic in nature, similar to the alkyl chain of QACs. Three ZnPc-containing disinfectants were synthesized and fully characterized. These compounds showed 15-16 fold higher antimicrobial effect against Gram-negative bacteria than the well-known QACs with half-maximal inhibitory (IC50) values of 1.43 μM, 2.70 μM, and 1.31 μM, respectively. With the assistance of 680 nm light, compounds 4 and 6 had much higher bactericidal toxicities at nanomolar concentrations. Compound 6 had a bactericidal efficacy of close to 6 logs (99.9999% kill rate) at 1 μM to Gram-positive bacteria, including MRSA, under light illumination. Besides, these compounds were safe for mammalian cells. In a mouse model, compound 6 was effective in healing wound infection. Importantly, compound 6 was easily degraded at working concentrations under sunlight illumination, and is environmentally friendly. Thus, compound 6 is a novel and promising disinfectant.
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Affiliation(s)
- Guodong Wang
- College of Chemistry, Fuzhou University, Fujian, 350108, China
| | - Ling Yang
- College of Chemistry, Fuzhou University, Fujian, 350108, China
| | - Libin Jiang
- College of Chemistry, Fuzhou University, Fujian, 350108, China
| | - Jingyi Chen
- College of Chemistry, Fuzhou University, Fujian, 350108, China
| | - Qian Jing
- College of Chemistry, Fuzhou University, Fujian, 350108, China
| | - Yuhan Mai
- College of Chemistry, Fuzhou University, Fujian, 350108, China
| | - Lina Deng
- College of Chemistry, Fuzhou University, Fujian, 350108, China
| | - Yuxin Lin
- College of Chemistry, Fuzhou University, Fujian, 350108, China
| | - Liyun Chen
- College of Chemistry, Fuzhou University, Fujian, 350108, China
| | - Zheng Chen
- College of Chemistry, Fuzhou University, Fujian, 350108, China
| | - Peng Xu
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Longguang Jiang
- College of Chemistry, Fuzhou University, Fujian, 350108, China
| | - Cai Yuan
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Mingdong Huang
- College of Chemistry, Fuzhou University, Fujian, 350108, China
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Iqbal R, Khan S, Ali HM, Khan M, Wahab S, Khan T. Application of nanomaterials against SARS-CoV-2: An emphasis on their usefulness against emerging variants of concern. FRONTIERS IN NANOTECHNOLOGY 2022. [DOI: 10.3389/fnano.2022.1060756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Researchers are now looking to nanomaterials to fight serious infectious diseases that cause outbreaks and even pandemics. SARS-CoV-2 brought chaos to almost every walk of life in the past 2 years and has challenged every available treatment method. Although vaccines were developed in no time against it, the most pressing issue was the emergence of variants of concern arising because of the rapidly evolving viral strains. The higher pathogenicity and, in turn, the higher mortality rate of infections caused by these variants renders the existing vaccines less effective and the effort to produce further vaccines a costly endeavor. While several techniques, such as immunotherapy and repurposed pharmaceutical research, are being studied to minimize viral infection, the fundamentals of nanotechnology must also be considered to enhance the anti-SARS-CoV-2 efforts. For instance, silver nanoparticles (AgNPs) have been applied against SARS-CoV-2 effectively. Similarly, nanomaterials have been tested in masks, gloves, and disinfectants to aid in controlling SARS-CoV-2. Nanotechnology has also contributed to diagnoses such as rapid and accurate detection and treatment such as the delivery of mRNA vaccines and other antiviral agents into the body. The development of polymeric nanoparticles has been dubbed a strategy of choice over traditional drugs because of their tunable release kinetics, specificity, and multimodal drug composition. Our article explores the potential of nanomaterials in managing the variants of concern. This will be achieved by highlighting the inherent ability of nanomaterials to act against the virus on fronts such as inhibition of SARS-CoV-2 entry, inhibition of RNA replication in SARS-CoV-2, and finally, inhibition of their release. In this review, a detailed discussion on the potential of nanomaterials in these areas will be tallied with their potential against the current and emerging future variants of concern.
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Islam M, Shahin Ahmed K, Karim R, Nath BD, Prosad Moulick S, Islam R, Mahmudul Hassan SM, Hossain H, Moniruzzaman M, Jahan MS, Ali Shaikh A, Georghiou PE. Alcohol-based Hand Sanitizers amid COVID-19: Chemical Formulation, Analysis, Safety. ChemistrySelect 2022; 7:e202203290. [PMID: 36718183 PMCID: PMC9877727 DOI: 10.1002/slct.202203290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 11/11/2022] [Indexed: 12/05/2022]
Abstract
Alcohol-based hand sanitizers (ABHSs) containing ethanol (EtOH) or isopropyl alcohol (IPA) to inactivate microorganisms help prevent the spread of respiratory diseases. These products have become very popular during the COVID-19 pandemic. Apart from vaccines or other preventative antiseptic measures, the majority of consumers have relied on different types of ABHSs to disinfect their hands. As a result, there has been a global rush in the demand for these ABHSs and other antiseptic hygiene products. This has resulted in the formation of many new commercial sanitizer producers. There are around fifty companies of varying sizes that have been marketing their ABHSs in Bangladesh, most of which have only been manufacturing their products for the first time since the COVID-19 pandemic. To monitor the quality and components of these products, the Bangladesh Council of Scientific and Industrial Research (BCSIR) analyzed approximately 200 different hand sanitizer samples using GC-FID method. All samples were alcohol-based except for 3 which were alcohol-free aqueous hand sanitizers. Of the supplied formulated ABHSs, 80 samples were found to contain only IPA and 54 contained only EtOH. However, 28 samples were found to be contaminated with methanol (MeOH), 7 samples contained only MeOH and 18 samples contained both EtOH and IPA. This is the first study to explore the analysis of alcohol content in formulated ABHSs and their marketing status in Bangladesh, but the findings could be of use in other jurisdictions as similar issues have been raised in many parts of the world.
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Affiliation(s)
- Monarul Islam
- BCSIR Dhaka LaboratoriesBangladesh Council of Scientific and Industrial Research (BCSIR) DhanmondiDhaka1205Bangladesh
- Central Analytical & Research Facilities (CARF)Bangladesh Council of Scientific and Industrial Research (BCSIR) DhanmondiDhaka1205Bangladesh.
| | - Khondoker Shahin Ahmed
- BCSIR Dhaka LaboratoriesBangladesh Council of Scientific and Industrial Research (BCSIR) DhanmondiDhaka1205Bangladesh
| | - Rezaul Karim
- BCSIR Dhaka LaboratoriesBangladesh Council of Scientific and Industrial Research (BCSIR) DhanmondiDhaka1205Bangladesh
| | - Bikash Dev Nath
- BCSIR Dhaka LaboratoriesBangladesh Council of Scientific and Industrial Research (BCSIR) DhanmondiDhaka1205Bangladesh
- Department of ChemistryDhaka University of Engineering & Technology (DUET)Gazipur1707Bangladesh
| | - Shyama Prosad Moulick
- BCSIR Dhaka LaboratoriesBangladesh Council of Scientific and Industrial Research (BCSIR) DhanmondiDhaka1205Bangladesh
| | - Rashedul Islam
- BCSIR Dhaka LaboratoriesBangladesh Council of Scientific and Industrial Research (BCSIR) DhanmondiDhaka1205Bangladesh
| | - Sharkar Md. Mahmudul Hassan
- BCSIR Dhaka LaboratoriesBangladesh Council of Scientific and Industrial Research (BCSIR) DhanmondiDhaka1205Bangladesh
| | - Hemayet Hossain
- BCSIR Dhaka LaboratoriesBangladesh Council of Scientific and Industrial Research (BCSIR) DhanmondiDhaka1205Bangladesh
- Central Analytical & Research Facilities (CARF)Bangladesh Council of Scientific and Industrial Research (BCSIR) DhanmondiDhaka1205Bangladesh.
| | - Mohammad Moniruzzaman
- BCSIR Dhaka LaboratoriesBangladesh Council of Scientific and Industrial Research (BCSIR) DhanmondiDhaka1205Bangladesh
- Central Analytical & Research Facilities (CARF)Bangladesh Council of Scientific and Industrial Research (BCSIR) DhanmondiDhaka1205Bangladesh.
| | - M. Sarwar Jahan
- BCSIR Dhaka LaboratoriesBangladesh Council of Scientific and Industrial Research (BCSIR) DhanmondiDhaka1205Bangladesh
| | - Aftab Ali Shaikh
- Bangladesh Council of Scientific and Industrial Research (BCSIR) DhanmondiDhaka1205Bangladesh.
- Department of ChemistryUniversity of DhakaDhaka1000Bangladesh.
| | - Paris E. Georghiou
- Department of ChemistryMemorial University of Newfoundland, St. John'sNewfoundland and LabradorA1B 3X7Canada
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Parveen N, Chowdhury S, Goel S. Environmental impacts of the widespread use of chlorine-based disinfectants during the COVID-19 pandemic. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:85742-85760. [PMID: 35091954 PMCID: PMC8799444 DOI: 10.1007/s11356-021-18316-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 12/21/2021] [Indexed: 05/21/2023]
Abstract
Chlorinated disinfectants are widely used in hospitals, COVID-19 quarantine facilities, households, institutes, and public areas to combat the spread of the novel coronavirus as they are effective against viruses on various surfaces. Medical facilities have enhanced their routine disinfection of indoors, premises, and in-house sewage. Besides questioning the efficiency of these compounds in combating coronavirus, the impacts of these excessive disinfection efforts have not been discussed anywhere. The impacts of chlorine-based disinfectants on both environment and human health are reviewed in this paper. Chlorine in molecular and in compound forms is known to pose many health hazards. Hypochlorite addition to soil can increase chlorine/chloride concentration, which can be fatal to plant species if exposed. When chlorine compounds reach the sewer/drainage system and are exposed to aqueous media such as wastewater, many disinfection by-products (DBPs) can be formed depending on the concentrations of natural organic matter, inorganics, and anthropogenic pollutants present. Chlorination of hospital wastewater can also produce toxic drug-derived disinfection by-products. Many DBPs are carcinogenic to humans, and some of them are cytotoxic, genotoxic, and mutagenic. DBPs can be harmful to the flora and fauna of the receiving water body and may have adverse effects on microorganisms and plankton present in these ecosystems.
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Affiliation(s)
- Naseeba Parveen
- School of Environmental Science and Engineering, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India
| | - Shamik Chowdhury
- School of Environmental Science and Engineering, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India
| | - Sudha Goel
- School of Environmental Science and Engineering, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India.
- Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India.
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Umberto T, Berto L, Chirumbolo S. WiWell® TiO2-photocatalytic adhesive films to reduce microbial charge in indoor microenvironments of public transportation and ensure biosafety in the COVID-19 time. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY 2022. [DOI: 10.1016/j.jpap.2022.100143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Valenzuela-Fernández A, Cabrera-Rodriguez R, Ciuffreda L, Perez-Yanes S, Estevez-Herrera J, González-Montelongo R, Alcoba-Florez J, Trujillo-González R, García-Martínez de Artola D, Gil-Campesino H, Díez-Gil O, Lorenzo-Salazar JM, Flores C, Garcia-Luis J. Nanomaterials to combat SARS-CoV-2: Strategies to prevent, diagnose and treat COVID-19. Front Bioeng Biotechnol 2022; 10:1052436. [PMID: 36507266 PMCID: PMC9732709 DOI: 10.3389/fbioe.2022.1052436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 11/09/2022] [Indexed: 11/26/2022] Open
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and the associated coronavirus disease 2019 (COVID-19), which severely affect the respiratory system and several organs and tissues, and may lead to death, have shown how science can respond when challenged by a global emergency, offering as a response a myriad of rapid technological developments. Development of vaccines at lightning speed is one of them. SARS-CoV-2 outbreaks have stressed healthcare systems, questioning patients care by using standard non-adapted therapies and diagnostic tools. In this scenario, nanotechnology has offered new tools, techniques and opportunities for prevention, for rapid, accurate and sensitive diagnosis and treatment of COVID-19. In this review, we focus on the nanotechnological applications and nano-based materials (i.e., personal protective equipment) to combat SARS-CoV-2 transmission, infection, organ damage and for the development of new tools for virosurveillance, diagnose and immune protection by mRNA and other nano-based vaccines. All the nano-based developed tools have allowed a historical, unprecedented, real time epidemiological surveillance and diagnosis of SARS-CoV-2 infection, at community and international levels. The nano-based technology has help to predict and detect how this Sarbecovirus is mutating and the severity of the associated COVID-19 disease, thereby assisting the administration and public health services to make decisions and measures for preparedness against the emerging variants of SARS-CoV-2 and severe or lethal COVID-19.
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Affiliation(s)
- Agustín Valenzuela-Fernández
- Laboratorio de Inmunología Celular y Viral, Unidad de Farmacología, Sección de Medicina, Facultad de Ciencias de la Salud, Universidad de La Laguna, San Cristóbal de La Laguna, Spain
| | - Romina Cabrera-Rodriguez
- Laboratorio de Inmunología Celular y Viral, Unidad de Farmacología, Sección de Medicina, Facultad de Ciencias de la Salud, Universidad de La Laguna, San Cristóbal de La Laguna, Spain
| | - Laura Ciuffreda
- Research Unit, Hospital Universitario N. S. de Candelaria, Santa Cruz de Tenerife, Spain
| | - Silvia Perez-Yanes
- Laboratorio de Inmunología Celular y Viral, Unidad de Farmacología, Sección de Medicina, Facultad de Ciencias de la Salud, Universidad de La Laguna, San Cristóbal de La Laguna, Spain
| | - Judith Estevez-Herrera
- Laboratorio de Inmunología Celular y Viral, Unidad de Farmacología, Sección de Medicina, Facultad de Ciencias de la Salud, Universidad de La Laguna, San Cristóbal de La Laguna, Spain
| | | | - Julia Alcoba-Florez
- Servicio de Microbiología, Hospital Universitario N. S. de Candelaria, Santa Cruz de Tenerife, Spain
| | - Rodrigo Trujillo-González
- Laboratorio de Inmunología Celular y Viral, Unidad de Farmacología, Sección de Medicina, Facultad de Ciencias de la Salud, Universidad de La Laguna, San Cristóbal de La Laguna, Spain
- Departamento de Análisis Matemático, Facultad de Ciencias, Universidad de La Laguna, Santa Cruz de Tenerife, Spain
| | | | - Helena Gil-Campesino
- Servicio de Microbiología, Hospital Universitario N. S. de Candelaria, Santa Cruz de Tenerife, Spain
| | - Oscar Díez-Gil
- Servicio de Microbiología, Hospital Universitario N. S. de Candelaria, Santa Cruz de Tenerife, Spain
| | - José M. Lorenzo-Salazar
- Genomics Division, Instituto Tecnológico y de Energías Renovables, Santa Cruz de Tenerife, Spain
| | - Carlos Flores
- Research Unit, Hospital Universitario N. S. de Candelaria, Santa Cruz de Tenerife, Spain
- Genomics Division, Instituto Tecnológico y de Energías Renovables, Santa Cruz de Tenerife, Spain
- CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
- Faculty of Health Sciences, University of Fernando Pessoa Canarias, Las Palmas de Gran Canaria, Spain
| | - Jonay Garcia-Luis
- Laboratorio de Inmunología Celular y Viral, Unidad de Farmacología, Sección de Medicina, Facultad de Ciencias de la Salud, Universidad de La Laguna, San Cristóbal de La Laguna, Spain
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Chavignon M, Kolenda C, Medina M, Bonhomme M, Blazere L, Legendre T, Tristan A, Laurent F, Butin M. Bacteriophage-based decontamination to control environmental colonization by Staphylococcus capitis in neonatal intensive care units: An in vitro proof-of-concept. Front Cell Infect Microbiol 2022; 12:1060825. [DOI: 10.3389/fcimb.2022.1060825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 10/31/2022] [Indexed: 11/17/2022] Open
Abstract
IntroductionIn neonatal intensive care units (NICUs), the standard chemical-based disinfection procedures do not allow a complete eradication of pathogens from environmental surfaces. In particular, the clone Staphylococcus capitis NRCS-A, a significant pathogen in neonates, was shown to colonize neonatal incubators. The aim of this study was to evaluate the in vitro effect of a bacteriophage cocktail on NRCS-A eradication.MethodsThree bacteriophages were isolated, genetically characterized and assessed for their host range using a collection of representative clinical strains (n=31) belonging to the clone NRCS-A. The efficacy of a cocktail including these three bacteriophages to eradicate the reference strain S. capitis NRCS-A CR01 was determined in comparison or in combination with the chemical disinfectant Surfanios Premium on either dry inoculum or biofilm-embedded bacteria. The emergence of bacterial resistance against the bacteriophages alone or in cocktail was evaluated by growth kinetics.ResultsThe three bacteriophages belonged to two families and genera, namely Herelleviridae/Kayvirus for V1SC01 and V1SC04 and Rountreeviridae/Andhravirus for V1SC05. They were active against 17, 25 and 16 of the 31 tested strains respectively. Bacteriophage cocktails decreased the bacterial inoculum of both dry spots and biofilms, with a dose dependent effect. The sequential treatment with bacteriophages then Surfanios Premium did not show enhanced efficacy. No bacterial resistance was observed when using the bacteriophage cocktail.DiscussionThis study established a proof-of-concept for the use of bacteriophages to fight against S. capitis NRCS-A. Further investigations are needed using a larger bacterial collection and in real-life conditions before being able to use such technology in NICUs
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Valentukeviciene M, Andriulaityte I, Zurauskiene R. Experimental Research on the Treatment of Stormwater Contaminated by Disinfectants Using Recycled Materials-Hemp Fiber and Ceramzite. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:14486. [PMID: 36361360 PMCID: PMC9659056 DOI: 10.3390/ijerph192114486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/24/2022] [Accepted: 11/02/2022] [Indexed: 06/16/2023]
Abstract
Pollution caused by the use of disinfectants in public spaces is a relatively new form of environmental contamination. During the COVID-19 pandemic of 2020-2021, early research showed a sevenfold increase in the use of disinfectants to clean outdoor spaces and a corresponding increase in environmental pollution. Typically, after entering stormwater systems, disinfectants are carried to surface waters (e.g., rivers, seas and lakes) where they react with various elements to form harmful compounds. In the absence of data, it is not possible to determine accurate levels of pollution according to the latest scientific information. Our enquiry demonstrates that stormwater pollution indicators (pH, conductivity, turbidity and color intensity) change depending on the amounts of disinfectants present. Laboratory tests were conducted using hemp fiber and ceramzite, in which filtered stormwater samples contaminated with different amounts of disinfectants showed decreases in the amounts of active chlorine from 2.93 ppm to 1.0 ppm. Changes in pH levels, conductivity, turbidity and color intensity were monitored before and after filtration; pH indicators changed slightly (from 7.81 to 7.85), turbidity changes varied in the range of 0.070-0.145 NTU and the highest value of color intensity (1.932 AV) was obtained when 50 mL of disinfectant was added to the investigated sample water. This article presents the results of our research into the impact of disinfectants on stormwater. Further investigation is needed in order to determine the impacts of chemical substances on our water ecosystem.
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