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Changseok Han, Amos Doepke, Wondong Cho, Vlassis Likodimos, Armah A. de la Cruz, Tyson Back, William R. Heineman, H. Brian Halsall, Vesselin N. Shanov, Mark J. Schulz, Polycarpos Falaras and Dionysios D. Dionysiou A Multiwalled-Carbon-Nanotube-Based Biosensor for Monitoring Microcystin-LR in Sources of Drinking Water Supplies Advanced Functional Materials 23

Article first published online: 9 NOV 2012 | DOI: 10.1002/adfm.201201920

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An highly sensitive Faradaic electrochemical impedance biosensor for monitoring microcystin-LR (MC-LR) in sources of drinking water supplies is developed using millimeter-long multiwalled carbon nanotube (MWCNT) arrays grown by water-assisted chemical vapor deposition with vertical alignment. A linear sensing response shows a wide microcystin-LR concentration range that is below the World Health Organization (WHO) provisional guideline limit of 1 μg L−1 for MC-LR in drinking water.

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