A novel fluorescent probe for ascorbic acid based on seed-mediated growth of silver nanoparticles quenching of carbon dots fluorescence

被引：37

作者：

Liu, Jinshui ^{[1
]}

Wang, Lizhen ^{[1
]}

Bao, Huijuan ^{[1
]}

机构：

[1] Anhui Normal Univ, Anhui Key Lab Chemo Biosensing, Key Lab Funct Mol Solids,Minist Educ, Coll Chem & Mat Sci,Anhui Lab Mol Based Mat, Wuhu 241000, Peoples R China

来源：

ANALYTICAL AND BIOANALYTICAL CHEMISTRY | 2019年 / 411卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Fluorescence; Carbon dots; Silver nanoparticles; Ascorbic acid; COLORIMETRIC ASSAY; QUANTUM DOTS; URIC-ACID; STRATEGY; RECOGNITION; NANOPROBE; CHROMIUM(VI); RELEASE; GLUCOSE; WATER;

D O I：

10.1007/s00216-018-1505-9

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A novel, economic, and eco-friendly method of detecting ascorbic acid (AA) with excellent sensitivity was developed. The method took advantage of the fluorescence of carbon quantum dots (CDs) decreasing as the AA concentration increased through interactions between AA and Ag(I) in the presence of silver nanoparticle (AgNP) seeds, producing more AgNPs and allowing fluorescence resonance energy transfer between the AgNPs and the CDs. The change in the fluorescence intensity when AA was added was proportional to the AA concentration over the range 0-9.0M. The AA detection limit was 0.2M. This approach is a new method for determining the concentration of AA.

引用

页码：877 / 883

页数：7

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