Colorimetric detection uranyl ions based on the enhanced peroxidase-like activity by GO adsorption

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成果类型：

期刊论文

作者：

Lin, Xi;Xuan, Dongliang;Liang, Hao;Xiao, Fubing;Li, Feifei;...

通讯作者：

Yang, Shengyuan;Liu, Yong

作者机构：

[Hu, Congcong; Yang, Shengyuan; Liang, Hao; Xiao, Fubing; Fan, Pengfei; Liu, Can; Lin, Xi; Li, Feifei] Univ South China, Coll Publ Hlth, Hengyang 421001, Peoples R China.

[Hu, Congcong; Yang, Shengyuan; Liang, Hao; Xiao, Fubing; Fan, Pengfei; Liu, Yong; Liu, Can; Lin, Xi; Li, Feifei] Key Lab Hengyang Hlth Hazard Factors Inspect & Qu, Hengyang 421001, Peoples R China.

[Lin, Xi; Xuan, Dongliang] Jiading Ctr Dis Control & Prevent, Shanghai 201800, Peoples R China.

[Liu, Yong] Hunan Prov Engn Res Ctr Radioact Control Technol, Hengyang 421001, Peoples R China.

[Liu, Yong] Hunan Prov Engn Technol Res Ctr Uranium Tailings, Hengyang 421001, Peoples R China.

通讯机构：

[Yang, Shengyuan] U

[Liu, Yong] K

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

Key Lab Hengyang Hlth Hazard Factors Inspect & Qu, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

3,3′,5,5′-tetramethylbenzidine;Colorimetric probe;Graphene oxide;Hydrogen peroxide;Uranyl ions

期刊：

Journal of Environmental Radioactivity

ISSN：

0265-931X

年：

2020

卷：

220-221

页码：

106299

DOI：

10.1016/j.jenvrad.2020.106299

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11205085, 21906077]; Department of Education Excellent Youth Project of Hunan Province in China [15B202]; Natural Science Foundation Project of Hunan Province [2018JJ2323]; Fund of Hengyang Key Laboratory [2018KJ110]; 2019 Annual Joint Fund Project of Hunan Province Engineering Research Center of Radioactive Control Technology in Uranium Mining and Metallurgy & Hunan Province Engineering Technology Research Center of Uranium Tailings Treatment Technology [2019YKZX2005]

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：

Based on the fact that uranyl ions (UO2 2+) adsorbed on GO can enhanced the peroxidase-like activity of graphene oxide (GO), a novel colorimetric strategy for visualizing quantitative determination of uranyl ions was established. The peroxidase-like activity of GO-UO2 2+ nanocomposites was assessed by catalyzing H2O2 oxidation of TMB to produce a distinct color reaction. A good linearity between the UO2 2+ concentration and absorption at 652 nm was acquired in the range of 5.90 × 10−6 to 9.43 × 10−4 M with a detection limit of 4.70 μM. Thi...

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Colorimetric detection uranyl ions based on the enhanced peroxidase-like activity by GO adsorption

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