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：

Color;Colorimetry;Graphene;Uranium dioxide;Colorimetric detection;Detection limits;Environmental water samples;Peroxidase-like activities;Quantitative determinations;Uranyl ions;Ions;graphene oxide;hydrogen peroxide;ion;nanocomposite;peroxidase;unclassified drug;uranium;uranyl ion;graphite;ion;peroxidase;adsorption;colorimetry;detection method;enzyme activity;ion;absorption;adsorption;Article;color;colorimetry;concentration (parameter);enzyme activity;limit of detection;oxidation;radiation detection;radioactive contamination;water contamination;water sampling;adsorption;radiation monitoring;Adsorption;Colorimetry;Graphite;Hydrogen Peroxide;Ions;Limit of Detection;Peroxidase;Peroxidases;Radiation Monitoring

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：

The authors gratefully acknowledge the support of the National Natural Science Foundation of China (No. 11205085 , No. 21906077 ), the Department of Education Excellent Youth Project of Hunan Province in China (No. 15B202 ), the Natural Science Foundation Project of Hunan Province (No. 2018JJ2323 ), the Fund of Hengyang Key Laboratory (No. 2018KJ110 ) and the 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 (No. 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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