大肠杆菌噬菌体

铜与维生素C协同灭活大肠杆菌噬菌体的机理

Mechanism of synergetic inactivation of coliphage f_2 by copper and VitaminC

微电流协同氯对水中大肠杆菌噬菌体f2的灭活效应

Synergetic Virucidal Effect of Low Amperage Direct Current and Low Level Chlorine on Coliphage f2 in Water

结论电流密度达到一定强度时协同游离氯可提高低浓度氯对水中大肠杆菌噬菌体f2灭活的效果。

Conclusion Direct current with a certain intensity might enhance inactivation effectiveness against coliphage f2 of low-level chlorinated water .

目的观察微电流（DC）与游离氯（FC）对水中大肠杆菌噬菌体f2的协同灭活效果。

Objective To observe the synergetic virucidal effect of low amperage direct current ( DC ) and free chlorine ( FC ) on coliphage f2 in water .

新型多价大肠杆菌噬菌体285P分离鉴定及功能基因组学研究

Isolation and Identification of a Novel Polyvalent E. Coli Phage 285P and Study of Functional Genomics

检测牛血清中污染大肠杆菌噬菌体方法的建立

Establishment of Detection Method of E.coli Phage in Bovine Serum

1株宽宿主谱大肠杆菌噬菌体的生物学特性观察

Biological properties of an E.coli bacteriophage with broad host range

通过空气中细菌采样以及大肠杆菌噬菌体模拟采样实验来表征壳聚糖复合膜作为采样用膜的特性。

The property of the composite membranes characterized by sampling and detecting airborne microorganism and E.coli phagocyte in simulation room .

该口罩对粘质沙雷菌和大肠杆菌F2噬菌体的滤除率分别为99.99%和99.54%。

The respirator filtered off 99.99 % of Serratia marcescens and 99.54 % of Escherichia coli F 2 phage .

大肠杆菌VT噬菌体受体（vpr）基因突变株的鉴定

Identification of a E.coli VT Phage Receptor ( vpr ) Gene Mutant Strain

为了进一步研究Era的功能，本课题组陈南春高级实验师用地高辛（DIG）标记的Era蛋白从大肠杆菌基因组噬菌体表达文库中筛选了Era相互作用分子。

In order to elucidate the function of Era , Chen NC of our group screened the Escherichia coli Era-associated protein from phage expression library of Escherichia coli genomic DNA using Dig-labeled Era protein .

目的以大肠杆菌F2噬菌体为指标，研究噬菌体作为病毒灭活指标的可行性。

Objective To study the feasibility of using phage as the indicator of inactivation of virus with E. coliphage F2 as the indicator .

方法采用悬液定量试验法，观察了大肠杆菌F2噬菌体对7种常用化学消毒剂的抵抗力，并与脊髓灰质炎病毒进行了平行比较。

Methods Suspension quantitative test was used to observe the resistance of E.coliphage F2 to7 common chemical disinfectants and to compare parallelly with poliovirus .

12层纱布口罩的过滤效率只有11%~15%，完全不能阻挡人工血、金黄色葡萄球菌和大肠杆菌F2噬菌体渗透。

Twelve-layer gauze mask showed a filtering efficiency of only 11 % ~ 15 % and could not obstruct penetration of synthetic blood , S. aureus and F_2 phage of E. coli .

T7核酸内切酶I（T7EndonucleaseI，T7EndoI）是一种研究非常深入的多功能核酸内切酶，由大肠杆菌T7噬菌体基因3编码。

T7 Endonuclease I ( T7 Endo I ) is a very in-depth studied multi-functional endonuclease , which is coded by Escherichia coli T7 phage gene 3 .

结果，棉布与尼龙面料的防护服过滤效率只有6%~14%，完全不能阻挡水、人工血的渗透，对金黄色葡萄球菌和大肠杆菌F2噬菌体悬液渗透也无阻挡作用。

Results : The protective clothing made of cotton and nylon fabric showed a filtering efficiency of only 6 % ~ 14 % , could not obstruct penetration of water and synthetic blood and also penetration of the suspensions of Staphylococcus aureus and F_2 phage of Escherichia coli .

浊度对紫外灭活大肠杆菌和MS-2噬菌体的影响

Effect of Turbidity on UV Disinfection of E.Coli and MS-2 Coliphage

以大肠杆菌和MS-2噬菌体为细菌和病毒的替代指标，考察了浊度及颗粒物分布对紫外线灭活大肠杆菌和MS-2噬菌体的影响。

E. coli and MS-2 coliphage were selected for ultraviolet disinfection experiment , the effect of turbidity and particulate distribution on inactivation of E. coli and MS-2 coliphage was evaluated .

这种方法不能测定非T4宿主型大肠杆菌，需要找出能够侵染各种大肠杆菌的噬菌体代替T4解决这一问题。

This method can not be used for detecting the E. coli of non-T4 host type so that another bacteriophage , which can infect all kind of E. coli , should be used instead of T4 to solve the problem .

该消毒工艺对细菌总数、异养菌平板计数、总大肠菌群指标的控制效果略好于传统游离氯消毒，对脊髓灰质炎病毒和大肠杆菌f2噬菌体的灭活效果与游离氯相同。

The pilot test results show that safe chlorination disinfection process has a little better efficiency on total bacteria count , HPC and total coliform count than free chlorination disinfection , which indicate that free chlorine and chloramines might have the synergetic disinfection effect for their different attacking targets .

以含过氧化氢2.25g/L的该泡沫消毒液对布片上大肠杆菌作用1min，平均杀灭率>99.9%。以营养肉汤作为有机物对过氧化氢泡沫消毒剂灭活大肠杆菌F2噬菌体的效果有明显影响；

The nutrient broth as organic substance had significant influence on efficacy of the hydrogen peroxide foam disinfectant in killing F_2 coliphage .