Biotechnology Bulletin ›› 2018, Vol. 34 ›› Issue (9): 116-128.doi: 10.13560/j.cnki.biotech.bull.1985.2018-0429

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The Development of Sensors for the Detection of Hg2+

FENG Yu-xiang1, LI Xiang-yang2, SHAO Xiang-li1, XU Wen-tao1   

  1. 1. College of Food Science and Nutritional Engineering,China Agricultural University,Beijing 100083;
    2. College of Agronomy and Biotechnology,China Agricultural University,Beijing 100083
  • Received:2018-05-10 Online:2018-09-26 Published:2018-10-10

Abstract: Of all the heavy metals that contaminate the soil and water,Hg2+ is the most common one. Atmospheric deposition and ocean circulation of Hg2+ result in its entering into fresh water and ocean. With biological accumulation through food web,Hg2+ consequentially risks human health. Therefore,the rapid and sensitive detection of Hg2+ is central to the environmental monitoring and human health. This review demonstrates the origin,biotransformation of Hg2+ and its effects on human health,and summarizes the mainstream methods of detecting Hg2+ based on its interaction properties with other substances,including fluorescence molecules,nanoparticles,DNAzyme,antibodies,proteins,and transgenic microorganisms, in order to provide a basis for rapid detection of Hg2+.

Key words: mercury ion, sensor, detection