Aptamers Adsorbed on WSe2 Nanosheets in a Label-Free Colorimetric Aptasensor for Ochratoxin A - 成果

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Aptamers Adsorbed on WSe₂ Nanosheets in a Label-Free Colorimetric Aptasensor for Ochratoxin A

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成果类型：

期刊论文

作者：

Zhou, Jiaojiao;Liu, Yuantao;Lv, Xuqin;Jia, Jilai;Du, Xiaoping;...

通讯作者：

Cai, J

作者机构：

[Jia, Jilai; He, Jiangling; Zhou, Jiaojiao; Cai, Jie; Xie, Fang; Liu, Yuantao] Wuhan Polytech Univ, Natl R&D Ctr Serich Agr Prod Proc, Sch Modern Ind Selenium Sci & Engn, Wuhan 430023, Peoples R China.

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

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

[Din, Zia-ud] Women Univ Swabi, Dept Food Sci & Nutr, Swabi 23430, Pakistan.

通讯机构：

[Cai, J ] W

Wuhan Polytech Univ, Natl R&D Ctr Serich Agr Prod Proc, Sch Modern Ind Selenium Sci & Engn, Wuhan 430023, Peoples R China.

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

语种：

英文

关键词：

ochratoxin A;nanozyme;colorimetric aptasensor;WSe2 nanosheets;food matrix

期刊：

ACS Applied Nano Materials

ISSN：

2574-0970

年：

2024

DOI：

10.1021/acsanm.3c05483

基金类别：

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

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

摘要：

Ochratoxin A (OTA) poses a great threat to human health, and its rapid detection has drawn wide concerns in agri-food product risk assessment. Herein, on the basis of the aptamer-enhanced peroxidase-mimetic property of two-dimensional few-layer tungsten diselenide (WSe2) nanosheets, a simple label-free colorimetric aptasensor is presented for OTA detection. The enzymatic mimic property of the WSe2 nanosheets could be enhanced through aptamer adsorption because of the enhanced affinity of WSe2 nanosheets to 3,3 ',5,5 '-tetramethylbenzidine. A good linear relationship was obtained in the range f...

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Aptamers Adsorbed on WSe₂ Nanosheets in a Label-Free Colorimetric Aptasensor for Ochratoxin A

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