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- M. Tech. in Automotive Engineering -Postgraduate
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Publication Type : Conference Proceedings
Thematic Areas : Biotech
Publisher : IOP Conference Series: Materials Science and Engineering
Source : IOP Conference Series: Materials Science and Engineering, 577(1), 2019.
Url : https://iopscience.iop.org/article/10.1088/1757-899X/577/1/012105
Campus : Coimbatore
School : School of Engineering
Center : Biosensor Research Lab, Biotechnology
Department : Sciences, biotechnology
Year : 2019
Abstract : Graphene oxide (GO) with photoluminescent property was prepared by modifiedHummer’s method. Spectroscopic and morphological studies were carried out using photoluminescence spectroscopy, UV-Vis absorption spectroscopy, FT-IR, XRD and FE-SEM. Electrochemical dopamine sensor was fabricated by drop casting GO onto screen printed carbon electrodes (SPCE). Cyclic voltammogram, differential pulse voltammogram and amperometry were performed to test the fabricated sensor. The sensor exhibits wide detection range of 12.5 μM to 1 mM dopamine concentrations in 0.1 M PBS of pH 7.4. The major interferents such as ascorbic acid shown negligible current response compared to dopamine.
Cite this Research Publication : Gunasekaran, S., Raveendran, J., Suneesh, P.V. and Satheesh Babu, T.G. Fabrication of disposable electrochemical dopamine sensor using photoluminescent graphene oxide. IOP Conference Series: Materials Science and Engineering, 577(1), 2019.