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[1]赵清风,陈介南,张林,等.AgNO3对大肠杆菌和金黄色葡萄球菌的抗菌作用及机制[J].生物加工过程,2011,9(03):52-56.[doi:10.3969/j.issn.1672-3678.2011.03.011]
 ZHAO Qingfeng,CHEN Jienan,ZHANG Lin,et al.Antimicrobial activity and mechanism of silver nitrate on Escherichia coli and Staphylococcus aureus[J].Chinese Journal of Bioprocess Engineering,2011,9(03):52-56.[doi:10.3969/j.issn.1672-3678.2011.03.011]
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AgNO3对大肠杆菌和金黄色葡萄球菌的抗菌作用及机制(/HTML)
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《生物加工过程》[ISSN:1672-3678/CN:32-1706/Q]

卷:
9
期数:
2011年03期
页码:
52-56
栏目:
出版日期:
2011-05-30

文章信息/Info

Title:
Antimicrobial activity and mechanism of silver nitrate on Escherichia coli and Staphylococcus aureus
文章编号:
1672-3678(2011)03-0052-05
作者:
赵清风12陈介南1张林1张伟涛1何刚12
1. 中南林业科技大学生物环境科学与技术研究所,长沙410004;
2. 中南林业科技大学生命科学与技术学院,长沙410004
Author(s):
?ZHAO Qingfeng12CHEN Jienan1ZHANG Lin1ZHANG Weitao1HE Gang12
?1. Institute of Biological and Enviromental Science and Technology,Central South University of Forestry and Technology,Changsha
410004,China; 2. College of Life Science and Technology,Central South University of Forestry and Technology,Changsha 410004,China
关键词:
AgNO3大肠杆菌金黄色葡萄球菌
分类号:
Q599
DOI:
10.3969/j.issn.1672-3678.2011.03.011
文献标志码:
A
摘要:
以大肠杆菌和金黄色葡萄球菌为模式菌,对AgNO3的抗菌效果进行研究,并对其抗菌机制作初步探讨。AgNO3对大肠杆菌的抑制生长曲线表明:2.891 mg/L 的AgNO3能够完全抑制106 个/mL 的大肠杆菌细胞生长,AgNO3使大肠杆菌和金黄色葡萄球菌的延滞期加长,并且浓度越高,延滞期越长。另外,AgNO3对大肠杆菌和金黄色葡萄球菌脱氢酶的活性有明显影响,随着AgNO3浓度的提高, 脱氢酶的活性逐渐降低。AgNO3溶液作用于细菌后,细菌表面疏水性均有不同程度地下降,且浓度越大对其影响也越明显,大肠杆菌的下降程度要大于金黄色葡萄球菌。

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备注/Memo

备注/Memo:
?收稿日期:2010-10-18
基金项目:“十一五”国家科技支撑计划资助项目(2006BAD07A07-08)
作者简介:赵清风(1986—),男,山东临朐人,硕士研究生,研究方向:生物化学与分子生物学;陈介男(联系人),教授,博士生导师,E-mail:chenjnx@gmail.com
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