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Indoor and Outdoor Air Microbial Contamination During Different Reconstruction Methods of Historic Buildings.
Pathogens
November 2024
National Public Health and Pharmaceutical Centre, 1097 Budapest, Hungary.
The quality of indoor air is dependent on a number of factors, including the presence of microorganisms that colonize the building materials. The potential for health risks associated with microbial contamination is a significant concern during the renovation of buildings. The aim of this study was to assess the impact of two reconstruction methods for historic buildings on air quality.
View Article and Find Full Text PDFHidden Places for Foodborne Bacterial Pathogens and Novel Approaches to Control Biofilms in the Meat Industry.
Foods
December 2024
Ribeirão Preto School of Pharmaceutical Sciences, University of São Paulo, São Paulo 05508-220, Brazil.
Biofilms are of great concern for the meat industry because, despite the implementation of control plans, they remain important hotspots of contamination by foodborne pathogens, highlighting the need to better understand the ecology of these microecosystems. The objective of this paper was to critically survey the recent scientific literature on microbial biofilms of importance for meat safety and quality, also pointing out the most promising methods to combat them. For this, the databases PubMed, Scopus, Science Direct, Web of Science, and Google Scholar were surveyed in a 10-year time frame (but preferably papers less than 5 years old) using selected keywords relevant for the microbiology of meats, especially considering bacteria that are tolerant to cleaning and sanitization processes.
View Article and Find Full Text PDFEfficacy of Antimicrobial Dry Fog in Improving the Environmental Microbial Burden in an Inpatient Ward.
Antibiotics (Basel)
December 2024
Faculty of Medicine, Comenius University in Bratislava, 5th Department of Internal Medicine, University Hospital Bratislava, Ružinov, Špitálska 24, 813 72 Bratislava, Slovakia, and Ružinovská 4810/6, 821 01 Bratislava, Slovakia.
In healthcare environments with high microbial loads, effective infection control measures are critical for reducing airborne and surface contamination. One of the novel modalities in the achievement of these goals is the use of antimicrobial mists, such as droplets, in the form of dry fog. Although the usage of dry fog in the disinfection of contained healthcare microenvironments is well known, the effect of such a system in terms of a meaningful reduction in the microbial burden in an open inpatient ward is unclear.
View Article and Find Full Text PDFLocal Electric Field-Incorporated In-Situ Copper Ions Eliminating Pathogens and Antibiotic Resistance Genes in Drinking Water.
Antibiotics (Basel)
December 2024
School of Environment and Natural Resources, Renmin University of China, Beijing 100872, China.
Background/objectives: Pathogen inactivation and harmful gene destruction from water just before drinking is the last line of defense to protect people from waterborne diseases. However, commonly used disinfection methods, such as chlorination, ultraviolet irradiation, and membrane filtration, experience several challenges such as continuous chemical dosing, the spread of antibiotic resistance genes (ARGs), and intensive energy consumption.
Methods: Here, we perform a simultaneous elimination of pathogens and ARGs in drinking water using local electric fields and in-situ generated trace copper ions (LEF-Cu) without external chemical dosing.
Enhanced Effect of Patient Room Disinfection Against Carbapenem-Resistant and Methicillin-Resistant Using UV-C Irradiation in Conjunction with UV-C Containment Unit.
Antibiotics (Basel)
November 2024
Department of Infectious Diseases and Laboratory Medicine, Kanazawa University, Kanazawa 920-8641, Japan.
: In environments with high-frequency contact surfaces, drug-resistant bacteria, such as carbapenem-resistant and methicillin-resistant (MRSA), can survive for extended periods, contributing to healthcare-associated infections. Ultraviolet (UV)-C irradiation often fails to adequately disinfect shadowed areas, leading to a persistent contamination risk. We evaluated the effectiveness of using a UV-C containment unit (UVCCU) in conjunction with UV-C irradiation to improve the sterilization effects on both direct and indirect surfaces, including shadowed areas, and to assess the leakage of UV radiation to the surroundings.
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