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Sensors 2017, 17(6), 1368; doi:10.3390/s17061368

Gold Electrodes Modified with Calix[4]arene for Electrochemical Determination of Dopamine in the Presence of Selected Neurotransmitters

1
Department of Biosensors, Institute of Animal Reproduction and Food Research Polish Academy of Science, Tuwima 10 Street, Olsztyn 10-748, Poland
2
Department of Environmental Engineering, Faculty of Engineering, Giresun University, Giresun-28200, Turkey
3
Department of Chemistry, Selcuk University, Konya 42100, Turkey
*
Author to whom correspondence should be addressed.
Academic Editor: W. Rudolf Seitz
Received: 8 May 2017 / Revised: 1 June 2017 / Accepted: 7 June 2017 / Published: 13 June 2017
(This article belongs to the Section Chemical Sensors)
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Abstract

Here, we present an electrochemical sensor based on gold electrodes modified with calix[4]arene functionalized with carboxypiperidino groups at the upper rim. It has been demonstrated that these groups are involved in a complex formation with dopamine (DA) on the surface of gold electrodes. The supramolecular complex calix[4]arene–DA created on the gold electrode surface has been characterized electrochemically and the measuring conditions have been optimized. The presented sensor displayed a detection limit in the pM range. The DA determination was performed successfully in the presence of ascorbic acid, uric acid and selected neurotransmitters. View Full-Text
Keywords: calix[4]arene; neurotransmitters; dopamine; norepinephrine; epinephrine; molecular recognition; voltammetric sensors calix[4]arene; neurotransmitters; dopamine; norepinephrine; epinephrine; molecular recognition; voltammetric sensors
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Kurzątkowska, K.; Sayin, S.; Yilmaz, M.; Radecka, H.; Radecki, J. Gold Electrodes Modified with Calix[4]arene for Electrochemical Determination of Dopamine in the Presence of Selected Neurotransmitters. Sensors 2017, 17, 1368.

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