DNA-Mediated Graphene Oxide/Platinum Nanozymes for Label-Free Colorimetric Detection of Hg2+

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成果类型：

期刊论文

作者：

Jia, Jilai;Du, Xiaoping;Lv, Xuqin;Xie, Fang;Zhou, Jiaojiao*;...

通讯作者：

Zhou, Jiaojiao;Cai, J

作者机构：

[Jia, Jilai; Zhou, Jiaojiao; Cai, Jie; Zhou, JJ; Lv, Xuqin; Xie, Fang] Wuhan Polytech Univ, Sch Modern Industryfor SeleniumScience & Engn, NationalR&D CenterforSe richAgriculturalProductsPr, Wuhan 430023, Peoples R China.

[Cai, Jie; Lv, Xuqin] Wuhan Polytech Univ, Hubei Key Lab Proc & Transformat Agr Prod, Key Lab Deep Proc Major Grain & Oil, Minist Educ, Wuhan 430023, Peoples R China.

[Du, Xiaoping] Minist Agr & Rural Affairs, Key Lab Se Enriched Prod Dev & Qual Control, Ankang R&D Ctr Se Enriched Prod, Ankang 725000, Shaanxi, Peoples R China.

通讯机构：

[Cai, J ; Zhou, JJ] W

Wuhan Polytech Univ, Sch Modern Industryfor SeleniumScience & Engn, NationalR&D CenterforSe richAgriculturalProductsPr, Wuhan 430023, Peoples R China.

Wuhan Polytech Univ, Hubei Key Lab Proc & Transformat Agr Prod, Key Lab Deep Proc Major Grain & Oil, Minist Educ, Wuhan 430023, Peoples R China.

语种：

英文

关键词：

mercury ion detection;colorimetric biosensor;DNA;graphene oxide;platinum nanoparticles

期刊：

ACS Applied Nano Materials

ISSN：

2574-0970

年：

2023

卷：

期：

页码：

15224–15233

DOI：

10.1021/acsanm.3c02986

基金类别：

Research and Innovation Initiatives of WHPU [2022J09]; Key Laboratory of Se-enriched Products Development and Quality Control [Se-2021C01]

机构署名：

本校为第一且通讯机构

院系归属：

食品科学与工程学院

硒科学与工程现代产业学院

摘要：

Mercury ions (Hg2+) have persistent bioaccumulation and high toxicity, which can severely damage the ecological system and human health. Therefore, sensitive methods are required for Hg2+ analysis. Herein, a DNA-mediated growth strategy was developed for the synthesis of platinum nanoparticles (PtNPs) on the surface of graphene oxide (GO). The resulting GO-DNA-PtNPs displayed excellent peroxidase-mimicking activity in a sequence-dependent manner. The peroxidase-mimicking activity could be significantly inhibited by Hg2+ because of the specific ...

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DNA-Mediated Graphene Oxide/Platinum Nanozymes for Label-Free Colorimetric Detection of Hg2+

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