Photocatalytic synthesis of BSA-Au nanoclusters with tunable fluorescence for highly selective detection of silver ion

doi:10.1016/j.dyepig.2021.109533

CORC > 地球环境研究所 > 中国科学院地球环境研究所 > 黄土与第四纪地质国家重点实验室（2010~）

	Photocatalytic synthesis of BSA-Au nanoclusters with tunable fluorescence for highly selective detection of silver ion
	Pu, Zheng-Fen 1; Peng, Jun 1,2; Wen, Qiu-Lin 1; Li, Yu 1,3; Ling, Jian 1; Liu, Peng 1; Cao, Qiu-E 1
刊名	DYES AND PIGMENTS
	2021-09-01
卷号	193 页码:10
关键词	Photocatalytic Bovine serum albumin Gold nanoclusters Fluorescence Red-shift Silver ion
ISSN号	0143-7208
DOI	10.1016/j.dyepig.2021.109533
通讯作者	Ling, Jian(lingjian@ynu.edu.cn) ; Cao, Qiu-E(qecao@ynu.edu.cn)
英文摘要	A new photocatalytic synthesis strategy for rapid preparation of BSA-Au nanoclusters (NCs) with tunable fluorescence was developed and used for the highly selective detection of silver ion. In this strategy, the silver ion was firstly photo-reduced to Ag NCs under UV light illumination. Then, the produced Ag NCs would further reduce HAuCl4 to Au NCs stabilized in BSA molecules. In this process, silver ion not only acted as a photocatalyst to accelerate the formation of fluorescent Au nanocluster but also as a regulator to tune the fluorescence emission color of the BSA-Au NCs from orange to red. The maximum emission peak of BSA-Au NCs fluorescence could be tuned from 570 to 620 nm in different experimental conditions. Furthermore, a fluorescence emission peak redshifts of the as-prepared BSA-Au NCs could also be observed by subsequent adding of silver ion. Thus, a quantitative analytical method for silver ion detection could be established in the range from 5.0 to 60.0 mu M with a detection limit (LOD) of 0.226 mu M (3 sigma). The method had high selectivity that other common metal ions and small biological molecules did not have similar phenomena. It had great potential for applying for environmental water sample analysis.
资助项目	National Natural Science Foundation of China[21565030] ; Program for Excellent Young Talents of Yunnan University ; National Demonstration Center for Experimental Chemistry and Chemical Engineering Education (Yunnan University)
WOS关键词	GOLD NANOCLUSTERS ; ELECTROCHEMICAL IMMUNOASSAY ; COLORIMETRIC DETECTION ; SENSITIVE DETECTION ; INDUCED EMISSION ; METAL-IONS ; LUMINESCENCE ; NANOPARTICLES
WOS研究方向	Chemistry ; Engineering ; Materials Science
语种	英语
出版者	ELSEVIER SCI LTD
WOS记录号	WOS:000668943800001
资助机构	National Natural Science Foundation of China ; Program for Excellent Young Talents of Yunnan University ; National Demonstration Center for Experimental Chemistry and Chemical Engineering Education (Yunnan University)
内容类型	期刊论文
源URL	[http://ir.ieecas.cn/handle/361006/16822]
专题	地球环境研究所_黄土与第四纪地质国家重点实验室（2010~）
通讯作者	Ling, Jian; Cao, Qiu-E
作者单位	1.Yunnan Univ, Natl Demonstrat Ctr Expt Chem & Chem Engn Educ, Sch Chem Sci & Technol, Kunming 650091, Yunnan, Peoples R China 2.Hunan Prov Geol Testing Inst, Changsha 410007, Peoples R China 3.Chinese Acad Sci, Xian Inst Innovat Earth Environm Res, Inst Earth Environm, Xian 710061, Peoples R China
推荐引用方式 GB/T 7714	Pu, Zheng-Fen,Peng, Jun,Wen, Qiu-Lin,et al. Photocatalytic synthesis of BSA-Au nanoclusters with tunable fluorescence for highly selective detection of silver ion[J]. DYES AND PIGMENTS,2021,193:10.
APA	Pu, Zheng-Fen.,Peng, Jun.,Wen, Qiu-Lin.,Li, Yu.,Ling, Jian.,...&Cao, Qiu-E.(2021).Photocatalytic synthesis of BSA-Au nanoclusters with tunable fluorescence for highly selective detection of silver ion.DYES AND PIGMENTS,193,10.
MLA	Pu, Zheng-Fen,et al."Photocatalytic synthesis of BSA-Au nanoclusters with tunable fluorescence for highly selective detection of silver ion".DYES AND PIGMENTS 193(2021):10.