نتایج جستجو برای: bacterial counts
تعداد نتایج: 254968 فیلتر نتایج به سال:
background: although enteral feeding solutions are used to reduce the morbidity and mortality in many malnourished and hospitalized patients, microbial contamination of these products may lead to severe infections, especially in immune suppressed ones. the aim of this study was to evaluate the microbiological quality of commercial enteral feedings in two hospital settings in shiraz. methods: tw...
Most of microbial pathogens present in natural waters are of fecal origin. Thus detection of fecal contamination is the main aim of water quality monitoring. Routine bacterial indicators of fecal contamination are: the coliforms, fecal coliforms, fecal streptococci, Clostridium spp and Pseudomonas aeruginosa. The present study aimed to determine the impacts of climatic factors on concentrations...
Background and Objectives: According to hazardous infection possibility in patients with a weakened immune system, old adults, and children, microbial contamination in the waterlines of dental units has become a recent concern. The aim of the present study was to evaluate the microbial contamination in dental unit waterlines in the School of Dentistry, Qom University of Medical Sciences, Qom, I...
Introduction: The purpose of this study was to evaluate the microbial quality of sausage slicers in Shiraz retail food stores. Methods: A total of 60 slicer samples from retail food stores were collected according to ISO protocols. Then microbial condition of the samples was examined using selective media. Data were then analyzed with SPSS software using descriptive statistical indices and ANO...
The study was undertaken to determine bacterial contamination of warm-water fish ponds and silver carps harvested from those ponds in Guilan province, Iran. In this respect, water samples were taken from 7 ponds and investigated by testing total bacteria, coliforms, and Escherichia coli. In addition, skin swab samples of silver carps caught from each pond were studied for enumeration of the sam...
The relationship between bacterial counts and endotoxin concentrations in air samples was studied. Selective EMB medium favored the growth of a larger portion of airborne gram-negative bacteria than LES Endo or MacConkey medium and was a good predictor of the endotoxin levels determined with a chromogenic Limulus assay of the air of wastewater treatment plants. The bacterial counts determined w...
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