A portable device enabling fluorescent-to-electric resistant transduction for selective Cr3+ detection based on its slow ligand bind kinetics

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期刊论文

作者：

Li, Wang;Chen, Zihao;Ren, Jiali;Yang, Tao*;Lin, Qinlu*;...

通讯作者：

Yang, Tao;Lin, Qinlu;Liu, Juewen

作者机构：

[Chen, Zihao; Yang, Tao; Lin, Qinlu; Ren, Jiali; Li, Wang] Cent South Univ Forestry & Technol, Natl Engn Lab Deep Proc Rice & Byprod, Changsha 410004, Hunan, Peoples R China.

[Li, Wang] Hunan Univ, State Key Lab Chemobiosensing & Chemometr, Changsha 410082, Hunan, Peoples R China.

[Yang, Tao; Lin, Qinlu] Cent South Univ Forestry & Technol, Hunan Key Lab Proc Food Special Med Purpose, Changsha 410004, Hunan, Peoples R China.

[Liu, Juewen] Univ Waterloo, Dept Chem, Water Inst, Waterloo, ON N2L 3G1, Canada.

[Liu, Juewen] Univ Waterloo, Waterloo Inst Nanotechnol, Waterloo, ON N2L 3G1, Canada.

通讯机构：

[Yang, T; Lin, QL] C

[Liu, Juewen] U

Cent South Univ Forestry & Technol, Natl Engn Lab Deep Proc Rice & Byprod, Changsha 410004, Hunan, Peoples R China.

Cent South Univ Forestry & Technol, Hunan Key Lab Proc Food Special Med Purpose, Changsha 410004, Hunan, Peoples R China.

Univ Waterloo, Dept Chem, Water Inst, Waterloo, ON N2L 3G1, Canada.

语种：

英文

关键词：

Nanoceria;Cr(3+)detection;Electric resistant;Multimeter;3D printed portable device

期刊：

Sensors and Actuators B-Chemical

ISSN：

0925-4005

年：

2020

卷：

304

页码：

127283

DOI：

10.1016/j.snb.2019.127283

基金类别：

Hunan Provincial Natural Science Foundation of ChinaNatural Science Foundation of Hunan Province [2019JJ50998, 2017JJ3528]; National Science Foundation of ChinaNational Natural Science Foundation of China [31972173]; Scientific Research Fund of Hunan Provincial Education DepartmentHunan Provincial Education Department [18B165, 16A228]; Youth Scientific Research Foundation of CSUFT [QJ2018004A]; Science and Technology Innovation Platform of Hunan Province [2017TP1021]; Science and Technology Innovation Talent Project of Hunan Province [2017TP1021]; Natural Sciences and Engineering Research Council of Canada (NSERC)Natural Sciences and Engineering Research Council of Canada; [SKLCBSC-2018005]

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：

Using simple and commonly available devices for signal reading has attracted much attention recently for DNA-based sensors. Most previous works focused on electrochemical or colorimetric signals. In this work, a portable device was structured by simple electronic and 3D-printed components to convert fluorescence signal to electric resistance with reading by a multimeter. To demonstrate its application, we took advantage of the slow ligand bind kinetics of Cr3+ to promote DNA adsorption on metal oxide nanoparticles (MONPs). Nanoceria (CeO2), screened from a total of 13 kinds of MONPs, possesses...

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A portable device enabling fluorescent-to-electric resistant transduction for selective Cr3+ detection based on its slow ligand bind kinetics

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