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Assessment of microbiological quality of some selected street vended foods, vendor's safety practices, knowledge, and attitudes in Dessie Town, Ethiopia. [PDF]

Sci Rep
Ebrahim H, Wondimagegn MK.
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Noise-free accurate count of microbial colonies by time-lapse shadow image analysis

Journal of Microbiological Methods, 2012
Microbial colonies in food matrices could be counted accurately by a novel noise-free method based on time-lapse shadow image analysis. An agar plate containing many clusters of microbial colonies and/or meat fragments was trans-illuminated to project their 2-dimensional (2D) shadow images on a color CCD camera.
Hiroyuki, Ogawa, Senshi, Nasu, Motomu, Takeshige, Hisakage, Funabashi, Mikako, Saito, Hideaki, Matsuoka   +5 more
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A semi-empirical precision control criterion for duplicate microbial colony counts

Letters in Applied Microbiology, 1996
A simple precision criterion (Z) of the logarithmic range (R) of duplicate microbiological determinations was developed. It is based on a freely selected relative technical uncertainty and the observed mean colony count. The model takes into account the different character of the technical and distribution uncertainty.
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The Validity of the Poisson Distribution to Analyze Microbial Colony Counts on Agar Plates for Food Samples

Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi), 2023
Microbial colony counts of food samples in microbiological examinations are one of the most important items. The probability distributions for the colony counts per agar plate at the dilution of counting had not been intensively studied so far. Recently we analyzed the colony counts of food samples with several probability distributions using the ...
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The effect of the number of sample units tested on the precision of microbial colony counts

Food Microbiology, 2011
Studies on the precision of chemical methods of analysis, and the associated 'sampling uncertainty', suggest that analysis of eight replicate sample units (the sample size) is required to ensure adequate analytical precision. The primary purpose of this work was to assess whether these findings are equally applicable in microbiological examination of ...
Basil, Jarvis, Alan J, Hedges
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Effect of pulsed xenon ultraviolet room disinfection devices on microbial counts for methicillin-resistant Staphylococcus aureus and aerobic bacterial colonies

American Journal of Infection Control, 2018
Inadequate environmental disinfection represents a serious risk for health care-associated infections. Technologic advancements in disinfection practices, including no-touch devices, offer significant promise to improve infection control. We evaluated one such device, portable pulsed xenon ultraviolet (PX-UV) units, on microbial burden during an ...
John E, Zeber, Christopher, Pfeiffer, John W, Baddley, Jose, Cadena-Zuluaga, Eileen M, Stock, Laurel A, Copeland, Janet, Hendricks, Jwan, Mohammadi, Marcos I, Restrepo, Chetan, Jinadatha   +9 more
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