Cobalt-nitrogen co-doped carbon dots for the colorimetric and fluorometric dual-mode detection of gallic acid

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成果类型：

期刊论文

作者：

Hu, Congcong;Yin, Yu;Huang, Chongyang;Dong, Yaolin;Liu, Jinquan;...

通讯作者：

Yang, SY

作者机构：

[Hu, Congcong; Yang, Shengyuan; Yin, Yu; Dong, Yaolin; Liu, Jinquan; Huang, Chongyang; Xiao, Fubing; Yang, SY] Univ South China, Coll Publ Hlth, Hengyang Med Sch, Hengyang 421001, Hunan, Peoples R China.

[Hu, Congcong; Yang, Shengyuan; Yin, Yu; Dong, Yaolin; Liu, Jinquan; Huang, Chongyang; Xiao, Fubing; Yang, SY] Hunan Key Lab Typ Environm Pollut & Hlth Hazards, Hengyang 421001, Hunan, Peoples R China.

[Hu, Congcong] Changzhou Ctr Dis Control & Prevent, Changzhou 213002, Jiangsu, Peoples R China.

通讯机构：

[Yang, SY ] U

Univ South China, Coll Publ Hlth, Hengyang Med Sch, Hengyang 421001, Hunan, Peoples R China.

Hunan Key Lab Typ Environm Pollut & Hlth Hazards, Hengyang 421001, Hunan, Peoples R China.

语种：

英文

关键词：

Cobalt -nitrogen co -doped carbon dots;Colorimetric;Fluorometric;Dual -mode;Gallic acid

期刊：

Microchemical Journal

ISSN：

0026-265X

年：

2024

卷：

197

页码：

109735

DOI：

10.1016/j.microc.2023.109735

基金类别：

The authors gratefully acknowledge the support of the National Natural Science Foundation of China (No. 82073604 , 21906077 ), Postgraduate Research and Innovation Project of Hunan Province ( CX20210962 ).

机构署名：

本校为第一且通讯机构

院系归属：

公共卫生学院

摘要：

Gallic acid (GA), widely used in food and medicine production industries. Herein, a kind of newly synthesized cobalt-nitrogen co-doped carbon dots (Co,N-CDs) with dual functional properties of oxidase-like activity and photoluminescence property could oxidize the 3,3′,5,5′-tetramethylbenzidine (TMB) to oxTMB with a new absorption peak at 653 nm. In addition, it was found that oxTMB performed a fluorescence-quenching effect on Co,N-CDs at 440 nm attributed to FRET (Fluorescence resonance energy transfer). Reductive GA could reduce oxTMB to TMB...

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Cobalt-nitrogen co-doped carbon dots for the colorimetric and fluorometric dual-mode detection of gallic acid

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