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基于胸腺嘧啶-汞离子(Ⅱ)配位作用的汞离子(Ⅱ)检测技术的研究进展 被引量：1

Research Advances in Detection of Mercury(Ⅱ) based on Thymine-Hg^(2+) Coordination Chemistry
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摘要 通过胸腺嘧啶-汞离子(Ⅱ)-胸腺嘧啶(T-Hg2+-T)特异性配位结构的形成,汞离子(Ⅱ)可以稳定寡聚核苷酸中胸腺嘧啶-胸腺嘧啶(T-T)错配杂交,利用这种特殊原理可以高灵敏度、高选择性地检测汞离子(Ⅱ)。探讨了基于该机理的汞离子(Ⅱ)检测技术研究进展,该类技术在实时环境监测方面的应用具有很可观的潜力。 Through thymine-Hg2+-thymine(T-Hg2+-T) coordination,the resulting Hg2+-stabilized hybridization of oligonucleotides with T-T mismatches have been demonstrated as sensitive and selective strategies for Hg2+ detection.The paper revealed this Hg2+sensing system,and it was expected to hold considerable potential in on-site applications of Hg2+ detection.
作者 刘斯佳 朱静 谭钟扬
机构地区 湖南大学化学化工学院化学/生物传感与计量学国家重点实验室 湖南大学生命科学与技术学院
出处 《中国农业科技导报》 CAS CSCD 2009年第S1期13-16,共4页 Journal of Agricultural Science and Technology
关键词 环境 汞 分析 T-Hg2+-T配位 environment mercury analysis T-Hg2+-T coordination
分类号 X830.2 [环境科学与工程—环境工程]
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  • 2Tanaka Y,Oda S,Yamaguchi H,et al.15N-15N J-Couplingacross HgII:direct observation of HgII-mediated T-Tbase pairsin a DNA duplex. Journal of the American Chemical Society . 2007
  • 3Liu S J,Nie H G,Jiang J H,et al.Electrochemical sensorfor mercury (Ⅱ)based on conformational switch mediated byinterstrand cooperative coordination. Analytical Chemistry . 2009
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中国农业科技导报
2009年 第S1期

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