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
收藏
页码：335 / 339
页数：5
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