A novel graphene-DNA biosensor for selective detection of mercury ions

A novel electrochemical biosensor for sensitive and selective detection of mercury (II) ions (Hg2+) based on a DNA grafted graphene is proposed. Graphene oxide (GO) was reduced by dopamine, and then the single-strand probe DNA modified at the 5′-end with an alkylamino modifier (NH2-ssDNA) was grafte...

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Veröffentlicht in:	Biosensors & bioelectronics 2013-10, Vol.48, p.180-187
Hauptverfasser:	Zhang, Yang, Zhao, Hong, Wu, Zhijiao, Xue, Ying, Zhang, Xiaofang, He, Yujian, Li, Xiangjun, Yuan, Zhuobin
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Biosensing Techniques - methods Biosensor Biosensors Biotechnology Cations, Divalent - analysis DNA - chemistry Electrochemical Techniques - methods Fundamental and applied biological sciences. Psychology Graphene Graphite - chemistry Limit of Detection Mercury - analysis Mercury ions Methods. Procedures. Technologies Michael addition Nucleic acids Rivers - chemistry Various methods and equipments
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