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Nag P, Sadani K, Pisharody L, Thian XY, Ratnakar TS, Ansari A, Mukherji S, Mukherji S. Essential oil mediated synthesis and application of highly stable copper nanoparticles as coatings on textiles and surfaces for rapid and sustained disinfection of microorganisms. NANOTECHNOLOGY 2024; 35:345602. [PMID: 38788697 DOI: 10.1088/1361-6528/ad501b] [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: 09/11/2022] [Accepted: 05/24/2024] [Indexed: 05/26/2024]
Abstract
Rampant pathogenesis induced by communicable microbes has necessitated development of technologies for rapid and sustained disinfection of surfaces. Copper nanoparticles (CuNPs) have been widely reported for their antimicrobial properties. However, nanostructured copper is prone to oxidative dissolution in the oil phase limiting its sustained use on surfaces and coatings. The current study reports a systematic investigation of a simple synthesis protocol using fatty acid stabilizers (particularly essential oils) for synthesis of copper nanoparticles in the oil phase. Of the various formulations synthesized, rosemary oil stabilized copper nanoparticles (RMO CuNPs) were noted to have the best inactivation kinetics and were also most stable. Upon morphological characterization by TEM and EELS, these were found to be monodispersed (φ5-8 nm) with copper coexisting in all three oxidation states on the surface of the nanoparticles. The nanoparticles were drop cast on woven fabric of around 500 threads per inch and exposed to gram positive bacteria (Staphylococcus aureus), gram negative bacteria (Escherichia coliandPseudomonas aeruginosa), enveloped RNA virus (phi6), non-enveloped RNA virus (MS2) and non-enveloped DNA virus (T4) to encompass the commonly encountered groups of pathogens. It was possible to completely disinfect 107copies of all microorganisms within 40 min of exposure. Further, this formulation was incorporated with polyurethane as thinners and used to coat non-woven fabrics. These also exhibited antimicrobial properties. Sustained disinfection with less than 9% cumulative copper loss for upto 14 washes with soap water was observed while the antioxidant activity was also preserved. Based on the studies conducted, RMO CuNP in oil phase was found to have excellent potential of integration on surface coatings, paints and polymers for rapid and sustained disinfection of microbes on surfaces.
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Affiliation(s)
- Pooja Nag
- Department of Mechatronics, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, India
| | - Kapil Sadani
- Department of Instrumentation and Control, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, India
| | - Lakshmi Pisharody
- Environmental Science and Engineering Department, Indian Institute of Technology Bombay, Mumbai 400076, India
| | - Xiao Yun Thian
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai 400076, India
| | - Tadi Sai Ratnakar
- Department of Mechatronics, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, India
| | - Arhama Ansari
- Environmental Science and Engineering Department, Indian Institute of Technology Bombay, Mumbai 400076, India
| | - Suparna Mukherji
- Environmental Science and Engineering Department, Indian Institute of Technology Bombay, Mumbai 400076, India
| | - Soumyo Mukherji
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai 400076, India
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Liu C, Dong S, Wang X, Xu H, Liu C, Yang X, Wu S, Jiang X, Kan M, Xu C. Research progress of polyphenols in nanoformulations for antibacterial application. Mater Today Bio 2023; 21:100729. [PMID: 37529216 PMCID: PMC10387615 DOI: 10.1016/j.mtbio.2023.100729] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 07/08/2023] [Accepted: 07/09/2023] [Indexed: 08/03/2023] Open
Abstract
Infectious disease is one of the top 10 causes of death worldwide, especially in low-income countries. The extensive use of antibiotics has led to an increase in antibiotic resistance, which poses a critical threat to human health globally. Natural products such as polyphenolic compounds and their derivatives have been shown the positive therapeutic effects in antibacterial therapy. However, the inherent physicochemical properties of polyphenolic compounds and their derivatives limit their pharmaceutical effects, such as short half-lives, chemical instability, low bioavailability, and poor water solubility. Nanoformulations have shown promising advantages in improving antibacterial activity by controlling the release of drugs and enhancing the bioavailability of polyphenols. In this review, we listed the classification and antibacterial mechanisms of the polyphenolic compounds. More importantly, the nanoformulations for the delivery of polyphenols as the antibacterial agent were summarized, including different types of nanoparticles (NPs) such as polymer-based NPs, metal-based NPs, lipid-based NPs, and nanoscaffolds such as nanogels, nanofibers, and nanoemulsions. At the same time, we also presented the potential biological applications of the nano-system to enhance the antibacterial ability of polyphenols, aiming to provide a new therapeutic perspective for the antibiotic-free treatment of infectious diseases.
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Affiliation(s)
- Chang Liu
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
- Department of Neurology and Neuroscience Center, First Hospital of Jilin University, Changchun, 130021, China
| | - Shuhan Dong
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
- Department of Preventive Medicine, School of Public Health, Jilin University, Changchun, 130021, China
| | - Xue Wang
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Huiqing Xu
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Chang Liu
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Xi Yang
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Shanli Wu
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Xin Jiang
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Mujie Kan
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Caina Xu
- Department of Biochemistry, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
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Roa Cordero MV, Romero Pineda MF, Guerrero Rodríguez JM, López Ortíz JG, Leal Pinto SM. Exploring the potential of eco-friendly silver nanoparticles to inhibit azole-resistant clinical isolates of Candida spp. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2023; 58:31-38. [PMID: 36724546 DOI: 10.1080/10934529.2023.2172267] [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: 08/10/2022] [Revised: 12/28/2022] [Accepted: 01/07/2023] [Indexed: 06/18/2023]
Abstract
The antimicrobial activity and biological efficiency of silver nanoparticles (AgNps) have been widely described and can be modeled through stabilizing and reducing agents, especially if they exhibit biocidal properties, which can enhance bioactivity against pathogens. The selective action of AgNps remains a major concern. In this regard, the use of plant extracts for the green synthesis of nanoparticles offers advantages because it improves the toxicity of Nps for microorganisms and is harmless to normal cells. However, biological evaluations of the activity of AgNps synthesized using different reducing agents are determined independently, and comparisons are frequently overlooked. Thus, we investigated and compared the antifungal and cytotoxic effects of two ecological AgNps synthesized from Moringa oleifera aqueous leaf extract (AgNp-M) and glucose (AgNp-G) against azole-resistant clinical isolates of Candida spp. and nontumor mammalian cells. Synthesized AgNps exhibited an antifungal effect on planktonic cells of drug-resistant C. albicans and C. tropicalis (MIC 0.21-52.6 µg/mL). The toxicity was influenced by size. However, the use of M. oleifera extracts allows us to obtain AgNps that are highly selective and nongenotoxic to Vero cells due to modifications of the shape and surface. Therefore, these results suggest that AgNp-M has antimicrobial potential and deserves further investigation for biomedical applications.
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Affiliation(s)
- Martha Viviana Roa Cordero
- Universidad de Santander, Facultad de Ciencias Médicas y de la Salud, Grupo de investigación en biotecnología Agroambiental y salud-Microbiota, Bucarmanga, Colombia
- Universidad de Santander, Facultad de Ciencias Médicas y de la Salud, Grupo de Investigación Manejo Clínico-Cliniudes, Bucarmanga, Colombia
| | - María Fernanda Romero Pineda
- Universidad de Santander, Facultad de Ciencias Médicas y de la Salud, Grupo de investigación en biotecnología Agroambiental y salud-Microbiota, Bucarmanga, Colombia
- Grupo de Investigación Zumoinnova, Zumotec S.A., Bucaramanga, Colombia
| | - Julián Mauricio Guerrero Rodríguez
- Grupo de Investigación Zumoinnova, Zumotec S.A., Bucaramanga, Colombia
- Facultad de Ingeniería Química, Grupo de Investigación Interfase, Universidad Industrial de Santander, Bucaramanga, Colombia
| | | | - Sandra Milena Leal Pinto
- Universidad de Santander, Facultad de Ciencias Médicas y de la Salud, Grupo de investigación en biotecnología Agroambiental y salud-Microbiota, Bucarmanga, Colombia
- Universidad de Santander, Facultad de Ciencias Médicas y de la Salud, Grupo de Investigación Manejo Clínico-Cliniudes, Bucarmanga, Colombia
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Ivanauskas R, Ancutienė I, Milašienė D, Ivanauskas A, Bronušienė A. Effect of Reducing Agent on Characteristics and Antibacterial Activity of Copper-Containing Particles in Textile Materials. MATERIALS (BASEL, SWITZERLAND) 2022; 15:7623. [PMID: 36363214 PMCID: PMC9657411 DOI: 10.3390/ma15217623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 10/26/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
Textile materials modified with copper-containing particles have antibacterial and antiviral properties that have prospects for use in healthcare. In the study, textile materials were saturated with copper-containing particles in their entire material volume by the absorption/diffusion method. The antibacterial properties of modified textile materials were confirmed by their inhibitory effect on Staphylococcus aureus, a Gram-positive bacterium that spreads predominantly through the respiratory tract. For the modification, ordinary textile materials of various origins and fiber structures were used. Technological conditions and compositions of modifying solutions were established, as well as the most suitable textile materials for modification. To assess the morphological and physical characteristics of copper-containing particles and the textile materials themselves, X-ray diffraction, a scanning electron microscope, and an energy-dispersive X-ray spectrum were used. In modified textile samples, XRD data showed the presence of crystalline phases of copper (Cu) and copper (I) oxide (Cu2O). On the grounds of the SEM/EDS analysis, the saturation of textile materials with copper-containing particles depends on the structure of the textile materials and the origins of the fibers included in their composition, as well as the modification conditions and the copper precursor.
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Affiliation(s)
- Remigijus Ivanauskas
- Faculty of Chemical Technology, Department of Physical and Inorganic Chemistry, Kaunas University of Technology, 44249 Kaunas, Lithuania
| | - Ingrida Ancutienė
- Faculty of Chemical Technology, Department of Physical and Inorganic Chemistry, Kaunas University of Technology, 44249 Kaunas, Lithuania
| | - Daiva Milašienė
- Faculty of Mechanical Engineering and Design, Department of Production Engineering, Kaunas University of Technology, 44249 Kaunas, Lithuania
| | - Algimantas Ivanauskas
- Faculty of Chemical Technology, Department of Physical and Inorganic Chemistry, Kaunas University of Technology, 44249 Kaunas, Lithuania
| | - Asta Bronušienė
- Faculty of Chemical Technology, Department of Physical and Inorganic Chemistry, Kaunas University of Technology, 44249 Kaunas, Lithuania
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Freeman S, Kibler K, Lipsky Z, Jin S, German GK, Ye K. Systematic evaluating and modeling of SARS-CoV-2 UVC disinfection. Sci Rep 2022; 12:5869. [PMID: 35393480 PMCID: PMC8988105 DOI: 10.1038/s41598-022-09930-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 03/29/2022] [Indexed: 11/09/2022] Open
Abstract
The ongoing COVID-19 global pandemic has necessitated evaluating various disinfection technologies for reducing viral transmission in public settings. Ultraviolet (UV) radiation can inactivate pathogens and viruses but more insight is needed into the performance of different UV wavelengths and their applications. We observed greater than a 3-log reduction of SARS-CoV-2 infectivity with a dose of 12.5 mJ/cm2 of 254 nm UV light when the viruses were suspended in PBS, while a dose of 25 mJ/cm2 was necessary to achieve a similar reduction when they were in an EMEM culture medium containing 2%(v/v) FBS, highlighting the critical effect of media in which the virus is suspended, given that SARS-CoV-2 is always aerosolized when airborne or deposited on a surface. It was found that SARS-CoV-2 susceptibility (a measure of the effectiveness of the UV light) in a buffer such as PBS was 4.4-fold greater than that in a cell culture medium. Furthermore, we discovered the attenuation of UVC disinfection by amino acids, vitamins, and niacinamide, highlighting the importance of determining UVC dosages under a condition close to aerosols that wrap the viruses. We developed a disinfection model to determine the effect of the environment on UVC effectiveness with three different wavelengths, 222 nm, 254 nm, and 265 nm. An inverse correlation between the liquid absorbance and the viral susceptibility was observed. We found that 222 nm light was most effective at reducing viral infectivity in low absorbing liquids such as PBS, whereas 265 nm light was most effective in high absorbing liquids such as cell culture medium. Viral susceptibility was further decreased in N95 masks with 222 nm light being the most effective. The safety of 222 nm was also studied. We detected changes to the mechanical properties of the stratum corneum of human skins when the 222 nm accumulative exposure exceeded 50 J/cm2.The findings highlight the need to evaluate each UV for a given application, as well as limiting the dose to the lowest dose necessary to avoid unnecessary exposure to the public.
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Affiliation(s)
- Sebastian Freeman
- Department of Biomedical Engineering, Binghamton University, State University of New York (SUNY), PO Box 6000, Binghamton, NY, 13902, USA.,Center of Biomanufacturing for Regenerative Medicine, Binghamton University, State University of New York (SUNY), Binghamton, NY, 13902, USA
| | - Karen Kibler
- Biodesign Institute, Arizona State University, McAllister Ave, Tempe, AZ, 85281, USA
| | - Zachary Lipsky
- Department of Biomedical Engineering, Binghamton University, State University of New York (SUNY), PO Box 6000, Binghamton, NY, 13902, USA
| | - Sha Jin
- Department of Biomedical Engineering, Binghamton University, State University of New York (SUNY), PO Box 6000, Binghamton, NY, 13902, USA.,Center of Biomanufacturing for Regenerative Medicine, Binghamton University, State University of New York (SUNY), Binghamton, NY, 13902, USA
| | - Guy K German
- Department of Biomedical Engineering, Binghamton University, State University of New York (SUNY), PO Box 6000, Binghamton, NY, 13902, USA.,Center of Biomanufacturing for Regenerative Medicine, Binghamton University, State University of New York (SUNY), Binghamton, NY, 13902, USA
| | - Kaiming Ye
- Department of Biomedical Engineering, Binghamton University, State University of New York (SUNY), PO Box 6000, Binghamton, NY, 13902, USA. .,Center of Biomanufacturing for Regenerative Medicine, Binghamton University, State University of New York (SUNY), Binghamton, NY, 13902, USA.
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