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Sun Ying

Work place: Key Lab of Liaoning Colleges of E&M Automation, Shenyang University, Shenyang, China

E-mail: yingsun1215@foxmail.com

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Author Articles
The Utilization of Escherichia Coli-based Magnetic Nanobeads as An Ultrasensitive Biosensor for Mercucy

By Sun Ying

DOI: https://doi.org/10.5815/ijem.2011.03.08, Pub. Date: 5 Jun. 2011

It is an arduous task to detect the traces of heavy metals in real environmental samples. In this paper, the use of micro-organisms as bioreceptors and the merits of nanobeads’ (NBs) properties are combined to develop a novel electrochemical biosensor based on nanocomposite films. The whole Escherichia. coli cells were fixed onto a surface of indium-tin-oxide glass with and without NBs and/or polyelectrolyte multilayers. In addition, the electrochemical impedance spectroscopy technique, mercury was used to detect.

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