Development of mercury (II) ion biosensors based on mercury-specific oligonucleotide probes

被引：87
作者：
Li, Lanying [1 ]
Wen, Yanli [1 ]
Xu, Li [1 ]
Xu, Qin [1 ]
Song, Shiping [3 ]
Zuo, Xiaolei [3 ]
Yan, Juan [2 ]
Zhang, Weijia [2 ]
Liu, Gang [1 ]
机构：
[1] Shanghai Inst Measurement & Testing Technol, Div Chem & Ionizing Radiat Measurement Technol, Lab Biometrol, Shanghai 201203, Peoples R China
[2] Shanghai Ocean Univ, Coll Food Sci & Technol, Shanghai 201306, Peoples R China
[3] Chinese Acad Sci, Shanghai Inst Appl Phys, Phys Biol Lab, Shanghai 201800, Peoples R China
来源：
BIOSENSORS & BIOELECTRONICS | 2016年 / 75卷
基金：
中国国家自然科学基金;
关键词：
Biosensors; Hg2+; Mercury-specific oligonucleotide; T-Hg2+-T; Mercury contamination; DOUBLE-STRANDED DNA; SELECTIVE DETECTION; COLORIMETRIC DETECTION; GOLD NANOPARTICLES; GRAPHENE OXIDE; ELECTROCHEMICAL BIOSENSOR; SENSITIVE DETECTION; SERS DETECTION; HG2+ IONS; ULTRASENSITIVE DETECTION;
D O I：
10.1016/j.bios.2015.09.003
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
Mercury (II) ion (Hg2+) contamination can be accumulated along the food chain and cause serious threat to the public health. Plenty of research effort thus has been devoted to the development of fast, sensitive and selective biosensors for monitoring Hg2+. Thymine was demonstrated to specifically combine with Hg2+ and form a thymine-Hg2+-thymine (T-Hg2+-T) structure, with binding constant even higher than T-A Watson-Crick pair in DNA duplex. Recently, various novel Hg2+ biosensors have been developed based on T-rich Mercury-Specific Oligonucleotide (MSO) probes, and exhibited advanced selectivity and excellent sensitivity for Hg2+ detection. In this review, we explained recent development of MSO-based Hg2+ biosensors mainly in 3 groups: fluorescent biosensors, colorimetric biosensors and electrochemical biosensors. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：433 / 445
页数：13
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