نتایج جستجو برای: water bacteria
تعداد نتایج: 716450 فیلتر نتایج به سال:
BACKGROUND Packaged water products provide an increasingly important source of water for consumption. However, recent studies raise concerns over their safety. OBJECTIVES To assess the microbial safety of packaged water, examine differences between regions, country incomes, packaged water types, and compare packaged water with other water sources. METHODS We performed a systematic review an...
The concerns about disease-causing bacteria that can live on skin, reside on food, and invade the body are ever increasing. The common and immediate reaction to these ’germs’ is to increase the dose of antibiotics and other drugs. However, as more cases of multidrug-resistant bacteria are occurring, the search for new compounds that can target these pathogens becomes more urgent. One place thes...
Water is a necessary part of life, but without proper filtration, it could cause problems such as illness or death. While citizens of developed countries may take the water that flows from their taps for granted, many parts of the world do not have access to clean water. A small village in Thailand called Nong Bua is one such community that is hindered by the quality of their water supply. Nong...
Purpose: Water is very important to the existence of humans, though could also serve as vehicle of pathogenic organisms and dangerous organic and inorganic matters. The physicochemical and microbiological analysis of seven borehole water samples used by AkungbaAkoko residents were carried out with the aim of ascertaining their suitability or otherwise for human consumption. Methods: The total h...
This study evaluated the bacteria removal efficiency, re-suspension and survivability within two structural Best Management Practices (BMPs) called Vortechs installed at two different sites in Providence, Rhode Island. Twelve rain storms were sampled during years 2004 and 2005. Five pathogenic indicator bacteria, E. coli, enterococci, fecal streptococci, total coliform, fecal coliform, were ana...
The aim of this study was to screen potential probiotic bacteria against Aeromonas hydrophila and determine the effects of antagonistic bacteria and a commercial product containing lactic acid bacteria on the survival and growth of stage II Astacus leptodactylus juveniles. For this purpose, a total of 110 bacterial strains were isolated from adult, stage II crayfish juveniles and rearing water ...
Vibrio parahaemolyticus, a species that includes strains known to be pathogenic in humans, and other Vibrionaceae are common, naturally occurring bacteria in coastal environments. Understanding the ecology and transport of these organisms within estuarine systems is fundamental to predicting outbreaks of pathogenic strains. Infaunal burrows serve as conduits for increased transport of tidal wat...
The aim of this study was to screen potential probiotic bacteria against Aeromonas hydrophila and determine the effects of antagonistic bacteria and a commercial product containing lactic acid bacteria on the survival and growth of stage II Astacus leptodactylus juveniles. For this purpose, a total of 110 bacterial strains were isolated from adult, stage II crayfish juveniles and rearing water ...
BACKGROUND Studies of health risks associated with recreational water exposure require investigators to make choices about water quality indicator averaging techniques, exposure definitions, follow-up periods, and model specifications; however, investigators seldom describe the impact of these choices on reported results. Our objectives are to report illness risk from swimming at a marine beach...
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