Are silver nanoparticles always toxic in the presence of environmental anions?

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成果类型：

期刊论文

作者：

Guo, Zhi;Chen, Guiqiu*;Zeng, Guangming*;Yan, Ming;Huang, Zhenzhen;...

通讯作者：

Chen, Guiqiu;Zeng, Guangming

作者机构：

[Zeng, Guangming; Jiang, Luhua; Wang, Jiajia; Guo, Zhi; Chen, Guiqiu; Yan, Ming; Peng, Chuan; Huang, Zhenzhen; Chen, GQ; Zeng, GM] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China.

[Zeng, Guangming; Jiang, Luhua; Wang, Jiajia; Guo, Zhi; Chen, Guiqiu; Yan, Ming; Peng, Chuan; Huang, Zhenzhen] Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China.

[Xiao, Zhihua] Hunan Agr Univ, Coll Biosci & Biotechnol, Changsha 410128, Hunan, Peoples R China.

通讯机构：

[Chen, GQ; Zeng, GM] H

Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China.

语种：

英文

关键词：

Silver nanoparticle;Toxicity;Sulfide;Environmental anion;Ligand

期刊：

Chemosphere

ISSN：

0045-6535

年：

2017

卷：

171

期：

Mar.

页码：

318-323

DOI：

10.1016/j.chemosphere.2016.12.077

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51579099, 51521006]; Program for Changjiang Scholars and Innovative Research Team in UniversityProgram for Changjiang Scholars & Innovative Research Team in University (PCSIRT) [IRT-13R17]; Hunan Provincial Innovation Foundation for Postgraduate [CX2016B134, CX2016B135]

机构署名：

本校为其他机构

院系归属：

生物科学技术学院

摘要：

Increasing amounts of silver nanoparticles (AgNPs) are expected to enter the ecosystems where their toxicity in the environment is proposed. In this study, we exploited the effect of environmental anions on AgNP toxicity. AgNP were mixed with various environmental anions, and then exposed to Escherichia coil to determine the effect on bacteria growth inhibition. The results demonstrated that AgNP are not always toxic in the presence of sulfide, but can stimulate microbial growth at certain concentrations. Environmental chloride and phosphate anions cannot induce the stimulation because of thei...

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