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Evaluation of an Automated System for the Counting of Microbial Colonies.
Microbiology Spectrum, 2023 Colony counting is a widely utilized technique in the field of microbiology. The accuracy and convenience of automated colony counters are essential for research and diagnostics.
Karsten Becker, Evgeny A Idelevich
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Characteristics of Microbial Colony Counts on Agar Plates for Food and Microbial Culture Samples
Shokuhin Eiseigaku Zasshi Journal of the Food Hygienic Society of Japan, 2019 Microbial colony counts of concern of food products are one of the most important items in microbiological examinations. The distributions of colony counts per agar plate of food samples are considered to be reflected with microbial cell distributions in food homogenates.
Hiroshi Fujikawa
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Shokuhin Eiseigaku Zasshi Journal of the Food Hygienic Society of Japan, 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 ...
Hiroshi Fujikawa
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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 ...
Hiroshi Fujikawa
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Noise-free accurate count of microbial colonies by time-lapse shadow image analysis
Journal of Microbiological Methods, 2012Microbial 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.
Mikako Saito +2 more
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The effect of the number of sample units tested on the precision of microbial colony counts
Food Microbiology, 2011Studies 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
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Shokuhin Eiseigaku Zasshi Journal of the Food Hygienic Society of Japan
The upper and lower limits of microbial colony count on agar plate are essential for microbial cell calculation of food samples. In the present study, the limits presented by the three standards of Ministry of Health, Labor, and Welfare of Japan, Food and Drug Administration of US (FDA), and Japanese Industrial Standards (JIS) were studied from the ...
Hiroshi Fujikawa
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The upper and lower limits of microbial colony count on agar plate are essential for microbial cell calculation of food samples. In the present study, the limits presented by the three standards of Ministry of Health, Labor, and Welfare of Japan, Food and Drug Administration of US (FDA), and Japanese Industrial Standards (JIS) were studied from the ...
Hiroshi Fujikawa
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Diurnal variation of microbial colony counts in frozen human milk: An experimental study
Journal of Parenteral and Enteral NutritionAbstract Background Freezing human milk for long periods may reduce its antibacterial properties. We assessed antimicrobial effects of human milk against Escherichia coli after 6 months of freezing and to explore daily ...
Mina Misirligil +2 more
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