Direct ascorbic acid detection with ferritin immobilized on single-walled carbon nanotubes
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Dechakiatkrai, C, Chen, J, Lynam, C, Shin, KM, Kim, SJ, Phanichphant, S and Wallace, GG (2008) Direct ascorbic acid detection with ferritin immobilized on single-walled carbon nanotubes ELECTROCHEMICAL AND SOLID STATE LETTERS, 11 (1). K4 - K6. ISSN 1099-0062
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Official URL: http://dx.doi.org/10.1149/1.2795834
Abstract
Ferritin protein was noncovalently immobilized onto single-walled carbon nanotubes (SWNTs). This SWNT/ferritin composite was characterized using cyclic voltammetry, UV-visible spectroscopy, Raman spectroscopy, and high-resolution transmission electron microscopy. The use of the SWNT/ferritin film as an amperometric biosensor was demonstrated by sensing 1.0 mM ascorbic acid in phosphate-buffered saline solution with a sensitivity of 767 mu A/mg. It demonstrated that ferritin protein bound to SWNTs enhances the oxidation reaction of ascorbic acid over 11-fold. (C) 2007 The Electrochemical Society.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Science & Technology, Physical Sciences, Technology, Electrochemistry, Materials Science, Multidisciplinary, Materials Science, HYDROGEN STORAGE, OXIDATION, BRAIN |
| Divisions: | Faculty of Engineering and Physical Sciences > Chemistry |
| Related URLs: | |
| ID Code: | 2969 |
| Deposited By: | Symplectic Elements |
| Deposited On: | 23 Jun 2011 14:21 |
| Last Modified: | 16 Feb 2013 16:42 |
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