Proficiency Test Specimens for Water Bacteriology
نویسندگان
چکیده
منابع مشابه
Proficiency test specimens for water bacteriology.
A procedure for the preparation and distribution of simulated water specimens for coliform density testing is described. Lyophilization of Escherichia coli in a cooked meat-glucose supporting substrate provides stable samples which may be distributed to participants in a proficiency testing program. Logarithmic conversion of the data allows statistical evaluation of the results for inter- and...
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A medium composed of nutrient broth, 1.8% boric acid, and 1% sodium chloride at pH 7.0 was shown to maintain the stability of Escherichia coli cultures for up to 10 days at room temperature. By using this preservation medium for preparing a simulated sample a successful proficiency test survey in water bacteriology was conducted.
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After many years of adherence to the coliform used in this study. Each colony from each pad index as determined by the fermentation of was examined and transplanted into lactose lactose, new knowledge and methods and new broth with brilliant green bile (B.G.B.) broth for circumstances have stimulated critical interest in confirmation. From typical colonies 69 per cent bacteriological methods fo...
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A description is given of the CAPTEAP system that generates English proficiency tests (EPTs) automatically. Because the work is targeted at non-native, graduate students who need to develop technical writing skills, CAPTEAP tests the student's ability to understand and produce technical writing in English, also helping him/her develop the schemata for the academic discourse. For this reason the...
متن کاملProficiency test for human papillomavirus genotyping in china.
BACKGROUND In China, various assays for human papillomavirus (HPV) genotyping are currently used for cervical cancer screening. However, a proficiency test system is not available for standardizing and evaluating assay performance. The aim of this study was to evaluate the performance of clinical laboratories for their ability to discriminate 9 HPV types with the proficiency panel. METHODS Th...
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ژورنال
عنوان ژورنال: Applied Microbiology
سال: 1975
ISSN: 0003-6919
DOI: 10.1128/aem.29.2.255-259.1975