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Anti-biofouling function of amorphous nano-Ta2O5coating for VO2-based intelligent windows
Li, Jinhua1,3,4,5; Guo, Geyong2; Wang, Jiaxing2; Zhou, Huaijuan3; Shen, Hao2; Yeung, Kelvin W.K.1,4
2017
发表期刊Nanotechnology
ISSN09574484
卷号28期号:17
摘要From environmental and health perspectives, the acquisition of a surface anti-biofouling property holds important significance for the usability of VO2intelligent windows. Herein, we firstly deposited amorphous Ta2O5nanoparticles on VO2film by the magnetron sputtering method. It was found that the amorphous nano-Ta2O5coating possessed a favorable anti-biofouling capability against Pseudomonas aeruginosa as an environmental microorganism model, behind which lay the mechanism that the amorphous nano-Ta2O5could interrupt the microbial membrane electron transport chain and significantly elevate the intracellular reactive oxygen species (ROS) level. A plausible relationship was established between the anti-biofouling activity and physicochemical nature of amorphous Ta2O5nanoparticles from the perspective of defect chemistry. ROS-induced oxidative damage gave rise to microbial viability loss. In addition, the amorphous nano-Ta2O5coating can endow VO2with favorable cytocompatibility with human skin fibroblasts. This study may provide new insights into understanding the anti-biofouling and antimicrobial actions of amorphous transition metal oxide nanoparticles, which is conducive to expanding their potential applications in environmental fields. © 2017 IOP Publishing Ltd.
DOI10.1088/1361-6528/aa6525
EI入藏号20171603576624
EI主题词Amorphous films
EI分类号461.2 Biological Materials and Tissue Engineering - 461.9 Biology - 531 Metallurgy and Metallography - 761 Nanotechnology - 804 Chemical Products Generally - 813.2 Coating Materials - 933.2 Amorphous Solids
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25640
专题中国科学院上海硅酸盐研究所
作者单位1.Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, University of Hong Kong, Pokfulam, Hong Kong;
2.Department of Orthopaedics, Shanghai Jiao Tong University Affiliated, Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai; 200233, China;
3.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
4.Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, University of Hong Kong Shenzhen Hospital, Shenzhen; 518053, China;
5.University of Chinese Academy of Sciences, Beijing; 100049, China
推荐引用方式
GB/T 7714
Li, Jinhua,Guo, Geyong,Wang, Jiaxing,et al. Anti-biofouling function of amorphous nano-Ta2O5coating for VO2-based intelligent windows[J]. Nanotechnology,2017,28(17).
APA Li, Jinhua,Guo, Geyong,Wang, Jiaxing,Zhou, Huaijuan,Shen, Hao,&Yeung, Kelvin W.K..(2017).Anti-biofouling function of amorphous nano-Ta2O5coating for VO2-based intelligent windows.Nanotechnology,28(17).
MLA Li, Jinhua,et al."Anti-biofouling function of amorphous nano-Ta2O5coating for VO2-based intelligent windows".Nanotechnology 28.17(2017).
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