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Estimating the time-varying emission rate of peracetic acid.
Ann Work Expo Health
January 2025
Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, 615 N Wolfe St, Baltimore, MD 21205, United States.
The use of peracetic acid (PAA) as a general disinfectant has seen increasing usage in recent years, and although it is a strong irritant, exposure monitoring for PAA may often be difficult due to relatively high costs and the potential for interferences by other co-occurring chemicals such as hydrogen peroxide. These issues with exposure monitoring make modeling a potentially useful tool in exposure assessment of PAA if model parameters can be accurately determined. This study estimates the time-varying mass emission rate of PAA for use in exposure modeling by using the small spill model and examines the effect of various environmental conditions on the PAA evaporation rate, including surface roughness/substrate, general ventilation rate, and local wind speed.
View Article and Find Full Text PDFIntegrated biological-chemical system for phenol removal from petrochemicals wastewater.
Environ Sci Pollut Res Int
January 2025
Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, 163 Horria Ave. El-Shatby, P.O. Box 832, Alexandria, Egypt.
Phenol is a highly concerning pollutant in petrochemical industrial wastewater. It is extremely poisonous, carcinogenic, and persistent, therefore, it bioaccumulates in the food chain reaching humans, where it causes acute irritation to the skin, eyes, and respiratory tract, as well as chronic effects on the liver, kidneys, and nervous system. It spills or leaks easily into surface water or groundwater sources, leading to the creation of other harmful substituted compounds.
View Article and Find Full Text PDFGut colonization of semi-aquatic turtles inhabiting the Brazilian Amazon by international clones of CTX-M-8-producing Escherichia coli.
Vet Microbiol
February 2025
One Health Brazilian Resistance Project (OneBR), Brazil; Department of Microbiology, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil; Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil; Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil. Electronic address:
Article Synopsis
- Extended-spectrum β-lactamase (ESBL)-producing E. coli poses a major public health threat due to resistance against many broad-spectrum antibiotics, particularly third-generation cephalosporins.
- International clones of CTX-M-8-producing E. coli were found in captive scorpion mud turtles in the Brazilian Amazon, showing multidrug resistance and extensive resistance genes for antimicrobials and other toxic substances.
- The presence of these resistant bacteria in captive wildlife raises concerns for wildlife safety and emphasizes the need for better surveillance and control in conservation efforts to prevent the spread of antimicrobial resistance.
Infection prevention and control studies for care of patients with suspected or confirmed filovirus disease in healthcare settings, with focus on Ebola and Marburg: an integrative review.
BMJ Public Health
April 2024
University of California San Francisco School of Medicine, San Francisco, California, USA.
Objective: To review evidence pertaining to methods for preventing healthcare-associated filovirus infections (including the survivability of filoviruses in clinical environments and the chlorine concentration required for effective disinfection), and to assess protocols for determining the risk of health worker (HW) exposures to filoviruses.
Design: Integrative review.
Data Sources: PubMed, Embase, Google Scholar, internet-based sources of international health organisations (eg, WHO, CDC), references of the included literature and grey literature.
Emergency response to ecological protection in maritime phenol spills: Emergency monitor, ecological risk assessment, and reduction.
Mar Pollut Bull
March 2024
Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao 266100, China; College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China.
Recently, hundreds of maritime accidental spills of hazardous chemicals have raised public concerns, especially for phenol due to its potential of spills and highly toxicity. Therefore, for marine ecological protection, this article prepared specific strategies of emergency response to phenol spills. Through the identification for phenol behavior at sea, migration prediction, emergency monitor, as well as their new methods were reviewed.
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