Carbon quantum dots with green fluorescence as a probe for detecting uric acid

被引：14

作者：

Li, Guo-Wei ^{[1
]}

Lan, Yu-wei ^{[1
]}

Peng, Yi-qin ^{[2
]}

Bao, Wen-bin ^{[1
]}

Zhou, Li-ya ^{[1
]}

机构：

[1] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China

[2] Guangxi Inst Metrol & Test, Nanning 530007, Peoples R China

来源：

CHEMICAL PAPERS | 2022年 / 76卷 / 06期

关键词：

Carbon quantum dots; Green fluorescence; Static quenching; Uric acid; SELECTIVE DETECTION; TURN-ON; PHOTOLUMINESCENCE; NANOSHEETS; OXIDATION; NANOTUBE; FACILE; PLASMA;

D O I：

10.1007/s11696-022-02071-w

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Green-fluorescent nitrogen-doped carbon quantum dots (g-CQDs) were synthesized via a simple and convenient one-step hydrothermal method using Passiflora edulis sims shell as a carbon source and m-phenylenediamine as a nitrogen source and applied to the detection of uric acid. Unlike most reported blue fluorescent probes, the obtained g-CQDs showed bright-green fluorescence under ultraviolet light with a high quantum yield of 37.6%. Moreover, the g-CQDs exhibit outstanding photostability and high sensitivity, an excellent linearity ranging from 1 to 17 mu M, and a great limit of detection of 0.94 mu M, which renders them suitable for the determination of uric acid in human urine with remarkable selectivity.

引用

页码：3627 / 3638

页数：12

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