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Blacksell SD, Dhawan S, Kusumoto M, Le KK, Davis BJ, Summermatter K, O'Keefe J, Kozlovac J, Almuhairi SS, Sendow I, Scheel CM, Ahumibe A, Masuku ZM, Bennett AM, Kojima K, Harper DR, Hamilton K. The Biosafety Research Road Map: The Search for Evidence to Support Practices in the Laboratory- Shigella spp. APPLIED BIOSAFETY 2023; 28:96-101. [PMID: 37342516 PMCID: PMC10278014 DOI: 10.1089/apb.2022.0046] [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] [Indexed: 06/23/2023]
Abstract
Introduction Shigella bacteria cause shigellosis, a gastrointestinal infection most often acquired from contaminated food or water. Methods In this review, the general characteristics of Shigella bacteria are described, cases of laboratory-acquired infections (LAIs) are discussed, and evidence gaps in current biosafety practices are identified. Results LAIs are undoubtedly under-reported. Owing to the low infectious dose, rigorous biosafety level 2 practices are required to prevent LAIs resulting from sample manipulation or contact with infected surfaces. Conclusions It is recommended that, before laboratory work with Shigella, an evidence-based risk assessment be conducted. Particular emphasis should be placed on personal protective equipment, handwashing, and containment practices for procedures that generate aerosols or droplets.
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Affiliation(s)
- Stuart D. Blacksell
- Mahidol-Oxford Tropical Research Medicine Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, Nuffield Department of Medicine Research Building, University of Oxford, Oxford, United Kingdom
| | - Sandhya Dhawan
- Mahidol-Oxford Tropical Research Medicine Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Marina Kusumoto
- Mahidol-Oxford Tropical Research Medicine Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Kim Khanh Le
- Mahidol-Oxford Tropical Research Medicine Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Ben J. Davis
- Mahidol-Oxford Tropical Research Medicine Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | | | - Joseph O'Keefe
- Ministry for Primary Industries, Wellington, New Zealand
| | - Joseph Kozlovac
- U.S. Department of Agriculture, Agricultural Research Service, Beltsville, Maryland, USA
| | | | - Indrawati Sendow
- Research Center for Veterinary Science, National Research and Innovation Agency, Indonesia
| | - Christina M. Scheel
- WHO Collaborating Center for Biosafety and Biosecurity, Office of the Associate Director for Laboratory Science, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Anthony Ahumibe
- Nigeria Centre for Disease Control and Prevention, Abuja, Nigeria
| | - Zibusiso M. Masuku
- National Institute for Communicable Diseases of the National Health Laboratory Services, Sandringham, South Africa
| | | | - Kazunobu Kojima
- Department of Epidemic and Pandemic Preparedness and Prevention, World Health Organization, Geneva, Switzerland
| | - David R. Harper
- The Royal Institute of International Affairs, London, United Kingdom
| | - Keith Hamilton
- World Organisation for Animal Health (OIE), Paris, France
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Dhull P, Sudhaik A, Raizada P, Thakur S, Nguyen VH, Van Le Q, Kumar N, Parwaz Khan AA, Marwani HM, Selvasembian R, Singh P. An overview on ZnO-based sonophotocatalytic mitigation of aqueous phase pollutants. CHEMOSPHERE 2023; 333:138873. [PMID: 37164195 DOI: 10.1016/j.chemosphere.2023.138873] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 05/05/2023] [Accepted: 05/06/2023] [Indexed: 05/12/2023]
Abstract
Over the past several decades, the increase in industrialization provoked the discharge of harmful pollutants into the environment, affecting human beings and ecosystems. ZnO-based photocatalysts seem to be the most promising photocatalysts for treating harmful pollutants. However, fast charge carrier recombination, photo corrosion, and long reaction time are the significant factors that reduce the photoactivity of ZnO-based photocatalysts. In order to enhance the photoactivity of such photocatalysts, a combined process i.e., sonocatalysis + photocatalysis = sonophotocatalysis was used. Sonophotocatalysis is one of several different AOP methods that have recently drawn considerable interest, as it produces high reactive oxygen species (ROS) which helps in the oxidation of pollutants by acoustic cavitation. This combined technique enhanced the overall efficiency of the individual method by overcoming its limiting factors. The current review aims to present the theoretical and fundamental aspects of sonocatalysis and photocatalysis along with a detailed discussion on the benefits that can be obtained by the combined process i.e., US + UV (sonophotocatalysis). Also, we have provided a comparison of the excellent performance of ZnO to that of the other metal oxides. The purpose of this study is to discuss the literature concerning the potential applications of ZnO-based sonophotocatalysts for the degradation of pollutants i.e., dyes, antibiotics, pesticides, phenols, etc. That are carried out for future developments. The role of the produced ROS under light and ultrasound stimulation and the degradation mechanisms that are based on published literature are also discussed. In the end, future perspectives are suggested, that are helpful in the development of the sonophotocatalysis process for the remediation of wastewater containing various pollutants.
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Affiliation(s)
- Priya Dhull
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 8 173229, India
| | - Anita Sudhaik
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 8 173229, India
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 8 173229, India
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100, Gliwice, Poland
| | - Van-Huy Nguyen
- Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education (CARE), Kelambakkam, Kanchipuram District, 603103, Tamil Nadu, India
| | - Quyet Van Le
- Department of Materials Science and Engineering, Korea University, 145, Anam13 Ro Seongbuk-gu, Seoul, 02841, South Korea
| | - Naveen Kumar
- Department of Chemistry Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Aftab Aslam Parwaz Khan
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia; Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia
| | - Hadi M Marwani
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia; Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia
| | - Rangabhashiyam Selvasembian
- Department of Environmental Science and Engineering, School of Engineering and Sciences, SRM University-AP, Amaravati, Andhra Pradesh, 522240, India
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 8 173229, India.
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Moradi S, Rodriguez-Seco C, Hayati F, Ma D. Sonophotocatalysis with Photoactive Nanomaterials for Wastewater Treatment and Bacteria Disinfection. ACS NANOSCIENCE AU 2023; 3:103-129. [PMID: 37096232 PMCID: PMC10119989 DOI: 10.1021/acsnanoscienceau.2c00058] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/06/2023] [Accepted: 01/09/2023] [Indexed: 04/26/2023]
Abstract
Sonophotocatalysis is described as a combination of two individual processes of photocatalysis and sonocatalysis. It has proven to be highly promising in degrading dissolved contaminants in wastewaters as well as bacteria disinfection applications. It eliminates some of the main disadvantages observed in each individual technique such as high costs, sluggish activity, and prolonged reaction times. The review has accomplished a critical analysis of sonophotocatalytic reaction mechanisms and the effect of the nanostructured catalyst and process modification techniques on the sonophotocatalytic performance. The synergistic effect between the mentioned processes, reactor design, and the electrical energy consumption has been discussed due to their importance when implementing this novel technology in practical applications, such as real industrial or municipal wastewater treatment plants. The utilization of sonophotocatalysis in disinfection and inactivation of bacteria has also been reviewed. In addition, we further suggest improvements to promote this technology from the lab-scale to large-scale applications. We hope this up-to-date review will advance future research in this field and push this technology toward widespread adoption and commercialization.
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Affiliation(s)
- Sina Moradi
- Institut
National de la Recherche Scientifique (INRS)-Centre Énergie
Materiaux et Telécommunications, 1650 Boulevard Lionel-Boulet, VarennesJ3X 1P7, Québec, Canada
| | - Cristina Rodriguez-Seco
- Institut
National de la Recherche Scientifique (INRS)-Centre Énergie
Materiaux et Telécommunications, 1650 Boulevard Lionel-Boulet, VarennesJ3X 1P7, Québec, Canada
| | - Farzan Hayati
- Department
of Chemical and Biological Engineering, University of Saskatchewan, SaskatoonS7N 5A9, SK, Canada
| | - Dongling Ma
- Institut
National de la Recherche Scientifique (INRS)-Centre Énergie
Materiaux et Telécommunications, 1650 Boulevard Lionel-Boulet, VarennesJ3X 1P7, Québec, Canada
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Qi Z, Liu C. Metabolic characteristics and markers in viable but nonculturable state of Pseudomonas aeruginosa induced by chlorine stress. ENVIRONMENTAL RESEARCH 2022; 214:114111. [PMID: 35987374 DOI: 10.1016/j.envres.2022.114111] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/19/2022] [Accepted: 08/11/2022] [Indexed: 06/15/2023]
Abstract
Many Gram-negative pathogens enter the viable but nonculturable (VBNC) state to resist external environmental stress (such as disinfection). However, little is known about the metabolic properties, especially for the metabolic markers, of VBNC bacteria, which impedes the development of efficient disinfection technologies and causes more potential health risks. In this study, we analyzed the metabolic characteristics of chlorine stress-induced VBNC Pseudomonas aeruginosa at the population and single-cell levels. The overall metabolic activity of VBNC bacteria showed a downward trend, but the glyoxylate cycle, fatty acid and glycerophospholipid metabolism pathways were up-regulated. Based on the metabolic profiles of VBNC bacteria, nine metabolic markers (pyruvate, glyoxylate, guanine, glutamate, sn glycero-3-phos-phocholine, fatty acid, D-alanine, glutathione, N-Butanoyl-D-homoserine lactone) were determined. The results of single-cell Raman spectroscopy showed that the metabolic activity of VBNC bacteria was significantly reduced, but showed more significant metabolic heterogeneity. The redshift of the Raman peaks of 15N and 13C labeled VBNC bacteria was significantly weaker than that of the culturable bacteria, suggesting that the VBNC bacteria have a reduced ability to synthesize proteins, nucleotides, phospholipids, and carbohydrates. The result of this study can help to better understand the metabolic mechanisms and energy management strategy of VBNC bacteria, to achieve precise identification and effective control of VBNC bacteria.
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Affiliation(s)
- Zheng Qi
- School of Environmental Science and Engineering, Shandong Key Laboratory of Environmental Processes and Health, China-America CRC for Environment & Health of Shandong Province, Shandong University, 72# Jimo Binhai Road, Qingdao, Shandong, 266237, PR China
| | - Chunguang Liu
- School of Environmental Science and Engineering, Shandong Key Laboratory of Environmental Processes and Health, China-America CRC for Environment & Health of Shandong Province, Shandong University, 72# Jimo Binhai Road, Qingdao, Shandong, 266237, PR China; Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangdong Province, PR China.
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Jiang YH, Ying JP, Xin WG, Yang LY, Li XZ, Zhang QL. Antibacterial activity and action target of phenyllactic acid against Staphylococcus aureus and its application in skim milk and cheese. J Dairy Sci 2022; 105:9463-9475. [DOI: 10.3168/jds.2022-22262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 07/22/2022] [Indexed: 11/06/2022]
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Dai J, Bai M, Li C, Cui H, Lin L. Advances in the mechanism of different antibacterial strategies based on ultrasound technique for controlling bacterial contamination in food industry. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.09.016] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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