Whole cell environmental biosensor on diamond

文献情報

出版日 2008-02-18

DOI 10.1039/B719881G

インパクトファクター 4.616

著者

Kwok Feng Chong, Kian Ping Loh, Kailian Ang

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要旨

A whole-cell environmental biosensor was fabricated on a diamond electrode. Unicellular microalgae Chlorella vulgaris was entrapped in the bovine serum albumin (BSA) membrane and immobilized directly onto the surface of a diamond electrode for heavy metal detection. We found that the unique surface properties of diamond reduce the electrode fouling problem commonly encountered with metal electrodes. The cell-based diamond biosensor can attain a detection limit of 0.1 ppb for Zn2+ and Cd2+, and exhibits higher detection sensitivity and stability compared to platinum electrodes.

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CiteScore: 7.8

自己引用率: 5.6%

年間論文数: 653

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Whole cell environmental biosensor on diamond

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