Efficiency of bacteriological transport media quality control
نویسندگان
چکیده
منابع مشابه
Inhibition of PCR by agar from bacteriological transport media.
We observed inhibition of PCR in throat swabs submitted in routine bacteriological transport media. Experimental studies showed that agar, which was extracted with DNA by DNAzol (Gibco BRL, Gaithersburg, Md.), was the inhibitory agent. No inhibitory effect was observed with a transport medium which did not contain agar.
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Ten commercial transport swabs were evaluated for their ability to preserve bacteria for 24 and 48 hours. Microorganisms included ATCC strains of Gram-positive and Gram-negative aerobes and anaerobes. There was a wide variation in performance. Swabs using Amies plus charcoal medium or Stuart's medium had better recovery rates than those using Amies medium alone. The nature of the tips of the sw...
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In the routine examination of faeces by means of the " screening " plate previously described (Knox, 1949) it was found that on certain batches of the medium known gas-producing organisms failed to produce gas from the mannitol. Since this was the first time that the medium had failed in over a year's routine use it was felt that an explanation would be of some interest. The explanation proved ...
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The survival of group B streptococci on a variety of swabs, held either in their containers or in transport media for periods of up to 48 hours, at room temperature and at 4 degrees C, has been assessed. Results indicated that holding swabs in transport media did not favour prolonged survival of the streptococci and that the yield of organisms was much greater from swabs held in their ordinary ...
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In this work a glass micromodel which its grains and pores are non-uniform in size, shape and distribution is considered as porous medium. A two-dimensional random network model of micromodel with non-uniform pores has been constructed. The non-uniformity of porous model is achieved by assigning parametric distribution functions to pores throat and pores length, which was measured using ima...
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ژورنال
عنوان ژورنال: Russian Clinical Laboratory Diagnostics
سال: 2021
ISSN: 2412-1320,0869-2084
DOI: 10.51620/0869-2084-2021-66-6-374-378