Prevalence and behavior of human enteric pathogens in water environment
水环境中人类肠道病原体的流行和行为
基本信息
- 批准号:18360252
- 负责人:
- 金额:$ 7.28万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:2006
- 资助国家:日本
- 起止时间:2006 至 2009
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Prevalence of Chlorine-resistant Cryptosporidium and noroviruses in municipal wastewater was investigated. The concentration of Cryptosporidium was high in August and September. Various genotypes of Cryptosporidium were found in wasdtewater. The level of noroviruses in wastewater was high in winter season and low in summer. Positive relation was found between the concentrations of noroviruses and reported cases of diarrhea, suggesting that the survey of enteric pathogens in wastewater will contribute to know the prevalence of infectious diseases. Additional study on the recovery of a virus concentration method from water using negatively-charged membrane filter revealed that the recovery was greatly dependent on not only the species of viruses but also filtration volume of water and that the filtration volume of wastewater should not exceed 100mL when 90mm diameter filter was used in order to avoid significant depletion of virus recovery.
调查了城市污水中耐氯隐孢子虫和诺如病毒的流行情况。隐孢子虫在8、9月份浓度较高。在污水中发现了不同基因型的隐孢子虫。污水中诺如病毒含量冬季高,夏季低。诺如病毒浓度与腹泻病例数呈正相关,提示开展污水中肠道致病菌的调查有助于了解传染病的流行情况。对使用带负电荷的膜过滤器从水中回收病毒浓缩方法的额外研究表明,回收率不仅极大地依赖于病毒的种类,而且还依赖于水的过滤体积,当使用90 mm直径的过滤器时,废水的过滤体积不应超过100 mL,以避免病毒回收率的显著消耗。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
FISH法-蛍光抗体染色法を併用したクリプトスポリジウムの判別の容易化
使用 FISH 方法和荧光抗体染色方法更轻松地鉴定隐孢子虫
- DOI:
- 发表时间:2009
- 期刊:
- 影响因子:0
- 作者:橋本温;森田重光;平田強
- 通讯作者:平田強
FISH法-蛍光抗体染色法を併用したクリプトスポリジウムの同定・判別の容易化
使用FISH法-荧光抗体染色法更容易识别和区分隐孢子虫
- DOI:
- 发表时间:2009
- 期刊:
- 影响因子:0
- 作者:橋本 温;森田重光;平田強
- 通讯作者:平田強
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HIRATA Tsuyoshi其他文献
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{{ truncateString('HIRATA Tsuyoshi', 18)}}的其他基金
Inactivation of Cryptosporidium using ultraviolet and radioactive reys
使用紫外线和放射性射线灭活隐孢子虫
- 批准号:
13450217 - 财政年份:2001
- 资助金额:
$ 7.28万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Inactivation of Cryptosporidium parvum oocysts by sequential disinfection with chlorine following ozone
臭氧后用氯连续消毒灭活小隐孢子虫卵囊
- 批准号:
11650566 - 财政年份:1999
- 资助金额:
$ 7.28万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Source water pollution with Cryptosporidium oocysts and removal and inactivation in water purification system
隐孢子虫卵囊对水源水的污染及净水系统的去除和灭活
- 批准号:
09650606 - 财政年份:1997
- 资助金额:
$ 7.28万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
A Study on Concentration method for Microorganisms in Water with Electropositive Filter
正电过滤器浓缩水中微生物方法的研究
- 批准号:
02650386 - 财政年份:1990
- 资助金额:
$ 7.28万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
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