Non-thermal hydrogen plasma processing effectively increases the antibacterial activity of graphene oxide
Ke, ZG; Ma, YL; Zhu, ZJ; Zhao, HW; Wang, Q; Huang, Q
2018
发表期刊APPLIED PHYSICS LETTERS
ISSN0003-6951
卷号112期号:1页码:-
文章类型期刊论文
摘要Graphene-based materials (GMs) are promising antibacterial agents which provide an alternative route to treat pathogenic bacteria with resistance to conventional antibiotics. To further improve their antibacterial activity, many methods have been developed to functionalize the GMs with chemicals. However, the application of additional chemicals may pose potential risks to the environment and human being. Herein, a radio-frequency-driven inductively coupled non-thermal hydrogen plasma was used to treat and reduce graphene oxide (GO) without using any other chemicals, and we found that the plasma-reduced GO (prGO) is with significantly higher bactericidal activity against Escherichia coli. The mechanism of the increased antibacterial activity of prGO is due to that plasma processing breaks down the GO sheets into smaller layers with more rough surface defects, which can thus induce more destructive membrane damages to the bacteria. This work sets another good example, showing that plasma processing is a green and low-cost alternative for GM modification for biomedical applications. Published by AIP Publishing.
关键词Walled Carbon Nanotubes Antimicrobial Activity Aqueous Suspension Low-temperature Graphite Oxide Nanosheets Reduction Cells Nanoparticles Mechanisms
DOI10.1063/1.5012132
收录类别SCI
语种英语
WOS记录号WOS:000419392600029
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29087
专题中科院上海应用物理研究所2011-2018年
作者单位1.Ke, ZG
2.Ma, YL
3.Zhu, ZJ
4.Zhao, HW
5.Wang, Q
6.Huang, Q
推荐引用方式
GB/T 7714
Ke, ZG,Ma, YL,Zhu, ZJ,et al. Non-thermal hydrogen plasma processing effectively increases the antibacterial activity of graphene oxide[J]. APPLIED PHYSICS LETTERS,2018,112(1):-.
APA Ke, ZG,Ma, YL,Zhu, ZJ,Zhao, HW,Wang, Q,&Huang, Q.(2018).Non-thermal hydrogen plasma processing effectively increases the antibacterial activity of graphene oxide.APPLIED PHYSICS LETTERS,112(1),-.
MLA Ke, ZG,et al."Non-thermal hydrogen plasma processing effectively increases the antibacterial activity of graphene oxide".APPLIED PHYSICS LETTERS 112.1(2018):-.
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