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[Simultaneous determination of 13 antibiotics in disinfection products by ultra-high performance liquid chromatography-tandem mass spectrometry].
Wei Sheng Yan Jiu
January 2021
Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China.
Obejective: To develop a method for the determination of 13 antibiotics in 8 classes for desinfection products by ulta-high perfomance chromatography-tandem mass spectrometry(UPLC-MS/MS).
Methods: Samples were extracted by methanol or acetonitrile. The target compouds were separated on a Waters HSS T3 column(100 mm×2.
The Dishwater Menace: Healthy Drinking Spaces and the Public Good in Post-Prohibition Ontario.
Can Bull Med Hist
July 2018
Department of Health Sciences, Brock University.
This paper examines inter-bureaucracy tension, negotiation, and resolution in the case of the oversight of beverage room sanitation in Ontario in the 1930s and 1940s. Both the Liquor Control Board of Ontario (LCBO) and various public health authorities claimed authority over the health status of public drinking spaces. But the LCBO had legislative priority.
View Article and Find Full Text PDFPerformed in 2013, sampling of centralized and noncentralized water-supply and analysis of engineering technology materials on household water use in 6 cities of Murmansk region (Nikel, Zapolyarny, Olenegorsk, Montchegorsk, Apatity, Kirovsk), subjected to industrial emissions, enabled to evaluate and compare levels of 15 metals in water sources (lakes and springs) and the cities' drinkable waters. Findings are that some cities lack sanitary protection zones for water sources, most cities require preliminary water processing, water desinfection involves only chlorination. Concentrations of most metals in water samples from all the cities at the points of water intake, water preparation and water supply are within the hygienic norms.
View Article and Find Full Text PDFRemoval of pathogenic bacterial biofilms by combinations of oxidizing compounds.
Can J Microbiol
May 2015
Instituto de Química Biológica "Dr Bernabé Bloj", Facultad de Bioquímica, Química y Farmacia (UNT) and Instituto Superior de Investigaciones Biológicas, INSIBIO (CONICET-UNT), Chacabuco 461, C.P. T4000ILI, Tucumán-Argentina.
Bacterial biofilms are commonly formed on medical devices and food processing surfaces. The antimicrobials used have limited efficacy against the biofilms; therefore, new strategies to prevent and remove these structures are needed. Here, the effectiveness of brief oxidative treatments, based on the combination of sodium hypochlorite (NaClO) and hydrogen peroxide (H2O2) in the presence of copper sulfate (CuSO4), were evaluated against bacterial laboratory strains and clinical isolates, both in planktonic and biofilm states.
View Article and Find Full Text PDFThe study of potable water treatment process in Algeria (boudouaou station) -by the application of life cycle assessment (LCA).
J Environ Health Sci Eng
December 2013
Environmental Genius Departement, Engineering Sciences Faculty, Boumerdes University, Boumerdes, Algeria.
Environmental impact assessment will soon become a compulsory phase in future potable water production projects, in algeria, especially, when alternative treatment processes such sedimentation ,coagulation sand filtration and Desinfection are considered. An impact assessment tool is therefore developed for the environmental evaluation of potable water production. in our study The evaluation method used is the life cycle assessment (LCA) for the determination and evaluation of potential impact of a drink water station ,near algiers (SEAL-Boudouaoua).
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