Knowledge Management System Of Institute of Earth Environment, CAS
Photocatalytic synthesis of BSA-Au nanoclusters with tunable fluorescence for highly selective detection of silver ion | |
Pu, Zheng-Fen1; Peng, Jun1,2; Wen, Qiu-Lin1; Li, Yu1,3; Ling, Jian1; Liu, Peng1; Cao, Qiu-E1 | |
通讯作者 | Ling, Jian(lingjian@ynu.edu.cn) ; Cao, Qiu-E(qecao@ynu.edu.cn) |
2021-09-01 | |
发表期刊 | DYES AND PIGMENTS |
ISSN | 0143-7208 |
卷号 | 193页码:10 |
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. |
关键词 | Photocatalytic Bovine serum albumin Gold nanoclusters Fluorescence Red-shift Silver ion |
DOI | 10.1016/j.dyepig.2021.109533 |
关键词[WOS] | GOLD NANOCLUSTERS ; ELECTROCHEMICAL IMMUNOASSAY ; COLORIMETRIC DETECTION ; SENSITIVE DETECTION ; INDUCED EMISSION ; METAL-IONS ; LUMINESCENCE ; NANOPARTICLES |
收录类别 | SCI ; SCI |
语种 | 英语 |
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研究方向 | Chemistry ; Engineering ; Materials Science |
项目资助者 | 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) |
WOS类目 | Chemistry, Applied ; Engineering, Chemical ; Materials Science, Textiles |
WOS记录号 | WOS:000668943800001 |
出版者 | ELSEVIER SCI LTD |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ieecas.cn/handle/361006/16823 |
专题 | 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. |
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