منابع مشابه
Testing disinfectants for efficacy.
Testing under laboratory conditions is undoubtedly useful in assessing the activity of disinfectants. However, such testing must be regarded as no more than a preliminary to field trials. This not only indicates the unreliability of laboratory tests, but also poses the wider problem of how any laboratory evaluation can be correlated with the field requirements. Many attempts have therefore been...
متن کاملIn-use testing of disinfectants in hospitals.
One hundred and five samples of clear, soluble phenolic disinfectants were obtained from varying sites in the wards of six hospitals. The concentration of disinfectant in each sample was measured by a colorimetric method and bacterial contamination was measured by an ;in-use' test and a membrane filter technique. The concentrations of disinfectant in 24/105 (23%) samples were at the recommended...
متن کاملBactericidal activity of skin disinfectants on methicillin-resistant Staphylococcus aureus.
We studied bactericidal activity of 10% povidone-iodine, 0.5% chlorhexidine gluconate, and 0.5% chlorhexidine in 80% ethanol on four strains of methicillin-resistant and two strains of methicillin-susceptible Staphylococcus aureus. The pathogen was exposed to each of the disinfectants for 15, 30, 60, 120, and 240 s at room temperature. The inocula from these suspensions were cultured 72 h at 37...
متن کاملHygienic safety of alcohol-based hand disinfectants and skin antiseptics
PURPOSE The aim of this study was to evaluate the overall risk of hand disinfectants and skin antiseptics to become contaminated with bacterial spores throughout the production process and the subsequent in-use period, hence posing a public health risk. METHODS Microbiological assessment of primary packaging material was carried out and long-term survival of bacterial spores in alcohol was as...
متن کاملskin testing with standard leishmanin of iran
delayed-type hypersensitivity (dth) reaction measured by skin testing is an important indicator for evaluation of cellular immune response in leishmaniasis. skin testing in leishmaniasis, known as leishmanin or montenegro test, is used normally for immunoepidemiological studies and for diagnosis. in cutaneous leishmaniasis (cl), the skin test is positive during the active phase of disease and r...
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ژورنال
عنوان ژورنال: BMJ
سال: 1952
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.2.4794.1128