The pH-switchable agglomeration and dispersion behavior of fluorescent Ag nanoclusters and its applications in urea and glucose biosensing
文献类型：期刊论文
| 作者 | Dong, Jiang Xue1; Gao, Zhong Feng1; Zhang, Ying1,2; Li, Bang Lin1; Zhang, Wei3 ; Lei, Jing Lei4; Li, Nian Bing1; Luo, Hong Qun1
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| 刊名 | NPG ASIA MATERIALS
 |
| 出版日期 | 2016-12-01 |
| 卷号 | 8页码:10 |
| ISSN号 | 1884-4049 |
| DOI | 10.1038/am.2016.184 |
| 通讯作者 | Li, NB ; Luo, HQ (reprint author), Southwest Univ, Sch Chem & Chem Engn, Minist Educ, Key Lab Luminescent & Real Time Analyt Chem, Chongqing 400715, Peoples R China. |
| 英文摘要 | Water-soluble fluorescent Ag nanoclusters (Ag NCs) with distinct pH-switchable agglomeration and spectral signal responses are prepared using a facile etching method. Increased and decreased pH cause the Ag NCs to switch between agglomeration and dispersion, accompanied by decreases in and recoveries of fluorescence intensity and absorbance. The pH switchable behavior of the Ag NCs is attributed to carboxyl groups on the nanocluster surface that are rich in the citrate and amido functional groups of ligands (glutathione), creating an easily formed, weak molecular interaction among Ag NCs (for example, hydrogen bonding) and maintaining a balance in the colloidal solution, whereas a change in pH will disrupt the balance, leading to the reversible agglomeration of Ag NCs and the switchable spectral signal response. In addition, because urea and glucose can change the pH of a solution by producing NH3 and gluconic acid in enzyme-catalyzed reactions, the pH-switchable behavior of the Ag NCs is used to develop them as an optical probe to establish a regenerated biosensing platform for the sensitive and selective detection of urea and glucose, and the test results are satisfactory. |
| URL标识 | 查看原文 |
| 资助项目 | National Natural Science Foundation of China[21273174] ; National Natural Science Foundation of China[21675131] ; Municipal Science Foundation of Chongqing City[CSTC-2013jjB00002] ; Municipal Science Foundation of Chongqing City[CSTC-2015jcyjB50001] ; Innovation Foundation of Chongqing City for Postgraduates[CYB2015059] |
| WOS研究方向 | Materials Science |
| 语种 | 英语 |
| WOS记录号 | WOS:000391942300002 |
| 出版者 | NATURE PUBLISHING GROUP |
| 源URL | [http://119.78.100.138/handle/2HOD01W0/3241]  |
| 专题 | 科研公共服务平台 |
| 通讯作者 | Li, Nian Bing; Luo, Hong Qun |
| 作者单位 | 1.Southwest Univ, Sch Chem & Chem Engn, Minist Educ, Key Lab Luminescent & Real Time Analyt Chem, Chongqing 400715, Peoples R China 2.Sichuan Univ Sci & Engn, Higher Educ Inst Sichuan, Key Lab Green Catalysis, Coll Chem & Pharmaceut Engn,Sichuan Prov Academic, Zigong, Peoples R China 3.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing, Peoples R China 4.Chongqing Univ, Sch Chem & Chem Engn, Chongqing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Dong, Jiang Xue,Gao, Zhong Feng,Zhang, Ying,et al. The pH-switchable agglomeration and dispersion behavior of fluorescent Ag nanoclusters and its applications in urea and glucose biosensing[J]. NPG ASIA MATERIALS,2016,8:10. |
| APA | Dong, Jiang Xue.,Gao, Zhong Feng.,Zhang, Ying.,Li, Bang Lin.,Zhang, Wei.,...&Luo, Hong Qun.(2016).The pH-switchable agglomeration and dispersion behavior of fluorescent Ag nanoclusters and its applications in urea and glucose biosensing.NPG ASIA MATERIALS,8,10. |
| MLA | Dong, Jiang Xue,et al."The pH-switchable agglomeration and dispersion behavior of fluorescent Ag nanoclusters and its applications in urea and glucose biosensing".NPG ASIA MATERIALS 8(2016):10. |
入库方式： OAI收割
来源：重庆绿色智能技术研究院
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