Vancomycin-functionalised Ag@TiO2 phototoxicity for bacteria

doi:10.1016/j.jhazmat.2010.10.110

	Vancomycin-functionalised Ag@TiO2 phototoxicity for bacteria
	Wan, Yi; Zhang, Dun; Wang, Yi; Qi, Peng; Wu, Jiajia; Hou, Baorong
	2011-02-15
发表期刊	JOURNAL OF HAZARDOUS MATERIALS
卷号	186 期号:1 页码:306-312
文章类型	Article
摘要	This study reports on the synthesis of vancomycin (Van)-functionalised Ag@TiO2 nanoparticles and their enhanced bactericidal activities. Van-Ag@TiO2 nanoparticles were prepared by nanoparticle deposition and chemical cross-linking reactions. The catalysts showed high efficiency for the degradation of methylene blue under ultraviolet (UV) illumination. The photocatalytic inactivation of the sulphate-reducing bacteria, Desulfotomaculum, was also studied under UV light irradiation and in the dark using aqueous mixtures of Ag, Ag@SiO2, Ag@TiO2, and Van-Ag@TiO2. The Van-Ag@TiO2 nanoparticles showed a capacity to target Van-sensitive bacteria. They also effectively prevented bacterial cell growth through the functionalised nanoparticles under UV irradiation for 1 h. To investigate the specificity of the catalyst phototoxicity, a Van-resistant bacteria, Vibrio anguillarum, was used as the negative control. The results indicated that Van-Ag@TiO2 nanoparticles had a higher selective phototoxicity for Van-sensitive bacteria. Therefore, the antibiotic molecule-functionalised core-shell nanoparticles allow for selective photokilling of pathogenic bacteria. (C) 2010 Elsevier B.V. All rights reserved.
关键词	Phototoxicity Sulphate-reducing Bacteria Vancomycin Photocatalyst
DOI	10.1016/j.jhazmat.2010.10.110
收录类别	SCI
语种	英语
WOS记录号	WOS:000288102400037
引用统计	被引频次：46[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/32945
专题	海洋环境腐蚀与生物污损重点实验室
作者单位	Chinese Acad Sci, Key Lab Corros Sci, Inst Oceanol, Qingdao 266071, Shandong, Peoples R China
第一作者单位	中国科学院海洋研究所
推荐引用方式 GB/T 7714	Wan, Yi,Zhang, Dun,Wang, Yi,et al. Vancomycin-functionalised Ag@TiO2 phototoxicity for bacteria[J]. JOURNAL OF HAZARDOUS MATERIALS,2011,186(1):306-312.
APA	Wan, Yi,Zhang, Dun,Wang, Yi,Qi, Peng,Wu, Jiajia,&Hou, Baorong.(2011).Vancomycin-functionalised Ag@TiO2 phototoxicity for bacteria.JOURNAL OF HAZARDOUS MATERIALS,186(1),306-312.
MLA	Wan, Yi,et al."Vancomycin-functionalised Ag@TiO2 phototoxicity for bacteria".JOURNAL OF HAZARDOUS MATERIALS 186.1(2011):306-312.

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