نتایج جستجو برای: swab sampling
تعداد نتایج: 220130 فیلتر نتایج به سال:
This study aimed at developing a LC-MS method to compare the efficiency of various sampling materials for the collection and subsequent analysis of organic gunshot residues (OGSR). Seven sampling materials, namely two "swab"-type and five "stub"-type collection materials, were tested. The evaluation of sampling materials was systematically carried out by first analyzing blank extracts of the ma...
During an investigation conducted December 17-20, 2001, we collected environmental samples from a U.S. postal facility in Washington, D.C., known to be extensively contaminated with Bacillus anthracis spores. Because methods for collecting and analyzing B. anthracis spores have not yet been validated, our objective was to compare the relative effectiveness of sampling methods used for collectin...
OBJECTIVE To examine whether hand contamination with fruit results in a false blood glucose (BG) reading using capillary fingertip blood sample. RESEARCH DESIGN AND METHODS The study subjects were healthy volunteers with normal glucose tolerance test. Capillary BG samples were collected from the fingertip after peeling orange, grape, or kiwi fruit, followed by no action, washing hands with ta...
With a modified Moore swab for sampling bacteria, Salmonella organisms were recovered consistently from surface waters when the enrichment broths of SBG-sulfa and tetrathionate and Brilliant Green Agar plates were incubated at 41.5 C. When an equal portion of the same swab sample was incubated at 37.0 C, no salmonellae were detected. By use of the elevated-temperature technique, salmonellae wer...
BACKGROUND Chronic suppurative otitis media is a very common otologic problem in our environment. Appropriate methods for obtaining sample specimens for specific bacteria isolation has generated a lot of controversy. The simplest method available in our environment is the traditional swab method which, however, has been condemned on the basis of introducing contaminants. The objectives of this ...
1 BACKGROUND Infection of pressure ulcers constitutes the most frequent complication in spinal cord–injured patients; evidently, the surgical treatment of infected pressure ulcers is effective only when combined with a selected antibiotic therapy. However, the choice of the appropriate antibiotics is not simply due to the widespread variety of bacterial species involved in such infections. Only...
We evaluated a variety of methods to recover S. aureus from inanimate surfaces. Two contact agar plates and three swab sampling methods were tested on porous and non-porous surfaces and bar soap. The cost and ease of use of each method was also evaluated. S. aureus was recovered using all methods on both porous and non-porous surfaces. S. aureus could not be detected on three of four brands of ...
Methods Prospective observational study performed at the ED. Nasal and throat swab specimens from all patients > 10 years who were admitted to the ED from 01.09.2013 to 30.11.2013, were examined. The swabs were, immediately after sampling, incubated in 6% NaCl broth for at least 16 hours and further cultivated on MRSA-chromeand Columbia-agar. 150 ml of the incubated broth was used as sample mat...
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