Degradation of multiwall carbon nanotubes by bacteria

被引：97

作者：

Zhang, Liwen ^{[1
]}

Petersen, Elijah J. ^{[2
]}

Habteselassie, Mussie Y. ^{[1
]}

Mao, Liang ^{[3
]}

Huang, Qingguo ^{[1
]}

机构：

[1] Univ Georgia, Dept Crop & Soil Sci, Griffin, GA 30223 USA

[2] NIST, Mat Measurement Lab, Gaithersburg, MD 20899 USA

[3] Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210093, Jiangsu, Peoples R China

来源：

ENVIRONMENTAL POLLUTION | 2013年 / 181卷

基金：

美国国家环境保护局;

关键词：

Carbon nanotubes; Nanotoxicology; Microbial degradation; Aerobic biotransformation; POLYCYCLIC AROMATIC-HYDROCARBONS; ECOLOGICAL UPTAKE; BIODEGRADATION; BIOTRANSFORMATION; MINERALIZATION; ENVIRONMENT; CHEMISTRY; CULTURE;

D O I：

10.1016/j.envpol.2013.05.058

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Understanding the environmental transformation of multiwall carbon nanotubes (MWCNTs) is important to their life cycle assessment and potential environmental impacts. We report that a bacterial community is capable of degrading C-14-labeled MWCNTs into (CO2)-C-14 in the presence of an external carbon source via co-metabolism. Multiple intermediate products were detected, and genotypic characterization revealed three possible microbial degraders: Burkholderia kururiensis, Delftia acidovorans, and Stenotrophomonas maltophilia. This result suggests that microbe/MWCNTs interaction may impact the long-term fate of MWCNTs. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：335 / 339

页数：5

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