Oligonucleotide-immobilized PEGylated black phosphorene with enhanced stability and activity for electrochemical detection of trace uranyl

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成果类型：

期刊论文

作者：

He, Jiakun;He, Bo;Ouyang, Yanquan;Xie, Xiangmin;Tang, Xian*

通讯作者：

Tang, Xian

作者机构：

[Ouyang, Yanquan; Xie, Xiangmin; He, Jiakun; He, Bo] Key Laboratory of Advanced Nuclear Energy Design and Safety, Ministry of Education, School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China

[Tang, Xian] Key Laboratory of Advanced Nuclear Energy Design and Safety, Ministry of Education, School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China. Electronic address: xiantang@usc.edu.cn

通讯机构：

[Tang, Xian] K

Key Laboratory of Advanced Nuclear Energy Design and Safety, Ministry of Education, School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China. Electronic address:

语种：

英文

关键词：

Black phosphorene;Electrochemical sensing;Nucleophilic substitution;Oligonucleotide;Uranyl ion

期刊：

Talanta

ISSN：

0039-9140

年：

2026

卷：

297

期：

Pt B

页码：

128754

DOI：

10.1016/j.talanta.2025.128754

基金类别：

CRediT authorship contribution statement Jiakun He: Writing – original draft, Visualization, Investigation, Formal analysis, Data curation. Bo He: Investigation. Yanquan Ouyang: Validation, Formal analysis. Xiangmin Xie: Formal analysis, Data curation. Xian Tang: Writing – review & editing, Visualization, Supervision, Resources, Project administration, Methodology, acquisition, Formal analysis, Conceptualization.

机构署名：

本校为第一且通讯机构

院系归属：

核科学技术学院

摘要：

The development of efficient, sensitive and rapid uranyl ion (UO 2 2+ ) detection technology plays a critical role in promoting the utilization of uranium resources and protecting the environment. In this study, a novel composite of BP-mPEG-Olig was synthesized by immobilizing oligonucleotides (Oligs) on black phosphorene (BP), using maleimide-polyethylene glycol (mPEG) as both the linker and passivator. BP-mPEG-Olig utilizes the excellent electrical conductivity and high specific surface area of BP and the high affinity and molecular recogniti...

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Oligonucleotide-immobilized PEGylated black phosphorene with enhanced stability and activity for electrochemical detection of trace uranyl

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