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|Title:||Whole cell environmental biosensor on diamond||Authors:||Chong, K.F.
|Issue Date:||2008||Citation:||Chong, K.F., Loh, K.P., Ang, K., Ting, Y.P. (2008). Whole cell environmental biosensor on diamond. Analyst 133 (6) : 739-743. ScholarBank@NUS Repository. https://doi.org/10.1039/b719881g||Abstract:||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. © The Royal Society of Chemistry.||Source Title:||Analyst||URI:||http://scholarbank.nus.edu.sg/handle/10635/90497||ISSN:||00032654||DOI:||10.1039/b719881g|
|Appears in Collections:||Staff Publications|
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