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Reference type: Journal
Authors: Chen PY, Nien PC, Ho KC
Article Title: Highly Selective Dopamine Sensor based on an Imprinted SAM/Mediator Gold Electrode.
Publication date: 2009
Journal: Procedia Chemistry
Volume: 1
Issue: (1)
Page numbers: 285-288.
DOI: 10.1016/j.proche.2009.07.071
Alternative URL: http://www.sciencedirect.com/science/article/B983C-4X49BRW-2J/2/64b4be75fdb8fb5cc7c07ab110d4a3a8

Abstract: A new concept of molecular imprinted polymer (MIP) electrode was proposed for amperometric detection of dopamine (DA). The MIP electrode was fabricated based on a screen-printed gold electrode. Thioglycolic acid (TGA) and allyl mercaptan (AM) were bounded on the gold electrode by covalent bonding to control the TGA density. The mediator, quercetin (Q), was also covalently bonded to the carboxyl group of TGA by using the carboxyl activation agent: 1-ethyl-3-(3-dimethylamino-propyl) carbodiimide (EDC). Molecularly imprinted poly(methyl methacrylate) (PMMA) was polymerized by UV curing. Different surface distribution densities of TGA were studied for realizing the recognition abilities of MIP electrodes. The TGA density was well controlled on the gold surface and the DA recognition ability was correlated to it
Template and target information: dopamine, DA
Author keywords: dopamine, molecularly imprinted polymer, quercetin, Self-assembly monolayer, sensor

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