Dual-signal amplification electrochemical sensing for the sensitive detection of uranyl ion based on gold nanoparticles and hybridization chain reaction-assisted synthesis of silver nanoclusters

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Chen, Lei;Liu, Jinquan;Cao, Chen;Tang, Shuangyang;Lv, Changyin;...

通讯作者：

Li, Le

作者机构：

[Yang, Shengyuan; Liu, Ling; Liu, Jinquan; Li, Le; Chen, Lei; Lv, Changyin; Xiao, Xilin; Sun, Lin; Zhu, Bingyu] Univ South China, Hengyang Med Sch, Coll Publ Hlth, Hengyang 421001, Hunan, Peoples R China.

[Yang, Shengyuan; Liu, Ling; Liu, Jinquan; Li, Le; Chen, Lei; Lv, Changyin; Xiao, Xilin; Sun, Lin; Zhu, Bingyu] Hunan Prov Key Lab Typ Environm Pollut & Hlth Haz, Hengyang 421001, Hunan, Peoples R China.

[Yang, Shengyuan; Liu, Ling; Liu, Jinquan; Li, Le; Chen, Lei; Lv, Changyin; Xiao, Xilin; Sun, Lin; Zhu, Bingyu] Univ South China, Key Lab Hlth Hazard Factors Inspect & Quarantine, Hengyang 421001, Hunan, Peoples R China.

[Cao, Chen] Univ South China, Sch Chem & Chem Engn, Hengyang 421001, Hunan, Peoples R China.

[Tang, Shuangyang] Univ South China, Inst Pathogen Biol, Hengyang 421001, Hunan, Peoples R China.

通讯机构：

[Li, Le] U

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

语种：

英文

关键词：

Electrochemical sensing;Gold nanoparticles (AuNPs);Hybrid chain reaction (HCR);Silver nanoclusters (AgNCs);Uranyl ions (UO(2)(2+))

期刊：

Analytica Chimica Acta

ISSN：

0003-2670

年：

2021

卷：

1184

页码：

338986

DOI：

10.1016/j.aca.2021.338986

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [12175103]; Key R&D Program of Hunan Province [2018SK2029]; Natural Science Foundation of Hunan ProvinceNatural Science Foundation of Hunan Province [2020JJ5471]; Open Project Program of the State Key Laboratory of Chemo/Biosensing and Chemometrics [2018010]; Fund of Hengyang Key Laboratory [2018KJ110]; Scientific Research Fund of Hunan Provincial Education DepartmentHunan Provincial Education Department [19B481]; Scientific Research Innovation Project for Grad-uate of Hunan Province [CX20200913]

机构署名：

本校为第一且通讯机构

院系归属：

化学化工学院

医学院

公共卫生学院

摘要：

Herein, a dual-signal amplification electrochemical sensing has been proposed for the ultrasensitive detection of uranyl ions (UO22+) by integration of gold nanoparticles (AuNPs) and hybridization chain reaction (HCR)-assisted synthesis of silver nanoclusters (AgNCs). In this sensing platform, AuNPs are used as an ideal signal amplification carrier, aiming at increasing the loads of UO22+-specific DNAzyme on the gold electrode. In the presence of UO22+, UO22+-specific DNAzyme can be activated, leading to the cleavage of substrate strands (S-DNA...

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Dual-signal amplification electrochemical sensing for the sensitive detection of uranyl ion based on gold nanoparticles and hybridization chain reaction-assisted synthesis of silver nanoclusters

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