Microbiological contamination

Xem 1-8 trên 8 kết quả Microbiological contamination
  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Microbiological contamination of cubicle curtains in an out-patient podiatry clinic...

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  • Surface water treatment is a controversial issue. A healthy balance between possible risks, such as immediate microbiological contamination and long-term carcinogenic effects due to dsinfection byproducts, and the treatment costs is required. Another issue of concern relates to drinking water standards, whch seem unreasonably strict in some countries and practically absent in others. The price people are required to pap for their water varies with the standards.

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  • Beer has been a popular beverage for thousands of years and brewing is often described as the oldest biotechnological process. Over the years the brewmaster’s art has been supplemented by vast increases in our knowledge of the chemistry and biochemistry both of the ingredients and of the changes taking place to those ingredients during brewing. Together these contribute to give the products we recognise today - a wide range of different but consistently high quality beer types.

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  • Penicillium expansum is a post-harvest pathogen of apples which can produce the hazardous mycotoxin patulin. The yeast Cryptococcus laurentii (LS28) is a biocontrol agent able to colonize highly oxidative environments such as wounds in apples. In this study culture filtrates of the basidiomycete Lentinula edodes (LF23) were used to enhance the biocontrol activity of LS28. In vitro L. edodes culture filtrates improved the growth of C. laurentii and the activity of its catalase, superoxide dismutase and glutathione peroxidase, which play a key role in oxidant scavenging.

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  • For more than 30 years there has been remarkable growth in the need for quality water purification by all categories of users – municipal, industrial, institutional, medical, commercial and residential. The increasingly broad range of requirements for water quality has motivated the water treatment industry to refine existing techniques, combine methods and explore new water purification technologies.

    pdf151p phongmt1993 09-08-2013 40 7   Download

  • Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí sinh học Clinical Microbiology đề tài: Pseudomonas aeruginosa contamination of mouth swabs during production causing a major outbreak...

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  • Difficulty in accessing ground water without disturbing ground-water flow patterns, chemistry, microbiology, and the physical and chemical makeup of formation materials has made accurate characterization of in situ ground-water conditions a very challenging task.

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  • Diagnosis While the detection of CoNS at sites of infection or in the bloodstream is not difficult by standard microbiologic culture methods, interpretation of these results is frequently problematic. Since these organisms are present in large numbers on the skin, they often contaminate cultures. It has been estimated that only 10–25% of blood cultures positive for CoNS reflect true bacteremia. Similar problems arise with cultures of other sites. Among the clinical findings suggestive of true bacteremia are fever, evidence of local infection (e.g.

    pdf4p colgate_colgate 21-12-2010 29 2   Download

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