نتایج جستجو برای: disinfectant system
تعداد نتایج: 2233299 فیلتر نتایج به سال:
BACKGROUND In South Korea, a cluster of acute lung disease patients included lung injury disease suspected of being caused by the use of humidifier disinfectants. We examined the relationship between humidifier disinfectant exposure and clinically diagnosed humidifier disinfectant-associated lung injury (HDLI) in a family-based study. METHODS This case-control study included 169 clinically co...
The customary methods of evaluation of chemical disinfectants concern the question of the germicidal performance under specified conditions of these products compared with that of a reference material. As a rule, the fundamental answer is sought to this query: When used in the recommended dilution, will a given disinfectant kill the test-organism wvithin the specified short period of time? From...
Human norovirus (NoV) is the leading cause of foodborne illnesses in the United States. Norovirus is shed in high numbers in the feces and vomitous of infected individuals. Contact surfaces contaminated with bodily fluids harboring infectious virus particles serve as vehicles for pathogen transmission. Environmental stability of NoV and its resistance to many conventional disinfectants necessit...
Chloramination has been used in drinking water treatment since the early 1900s, but its use has been low compared to that of chlorine. In recent years, a large number of utilities have switched from chlorine to chloramine as a secondary disinfectant, primarily to comply with the U.S. Environmental Protection Agency’s (EPA) Stage 1 and Stage 2 Disinfectants and Disinfection ByProducts Rules (D/D...
background: addition of disinfectant to irreversible hydrocolloid impression materials can eliminate the disinfection step to avoid dimensional changes associated with it. the aim of the present study was to evaluate the effect of various disinfectant mixing liquids on the properties of commercially available irreversible hydrocolloid impression materials. materials and methods: four commercial...
as pseudomonas, acinetobacter, and staphylococcus that appropriate disinfection can reduce these pathogens. the aim of this study was to evaluate the effect of different disinfectants on gram-negative bacteria isolated from the surface of accidents and burn hospital in yazd. materials and methods: in this study, 240 samples were randomly collected from different parts of accidents and burn hosp...
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