Electrochemical characterization of poly(3,4-ethylenedioxythiophene)/κ-carrageenan as a biocompatible conductive coat for biologic applications

被引：0
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作者：
Priscila Hernandez-Suarez
Karla Ramirez
Fernando Alvarado
E. Avendano
Ricardo Starbird
机构：
[1] Institute Tecnológico de Costa Rica,Escuela de Ciencia e Ingeniería de Materiales
[2] Institute Tecnológico de Costa Rica,Escuela de Biologia
[3] Universidad de Costa Rica,Centra de Investigación en Ciencia e Ingenierfa de Materiales CICIMA
[4] Institute Tecnológico de Costa Rica,Centra de Investigación y de Servicios Químicos y Microbiológicos CEQIATEC, Escuela de Química
来源：
MRS Communications | 2019年 / 9卷
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摘要：
Poly(3,4-ethylenedioxythiophene) (PEDOT) is synthesized through a micellar dispersion that allows incorporation of biomolecules into this conductive polymer layer. A PEDOTiK-carrageenan (κC) system was obtained by electrodeposition and it was compared with a standard PEDOT:sodium dodecyl sulfate electrode coat. The electrochemical behavior and the oxidation level after 1000 cycles were studied through cyclic voltammetry and μRaman spectroscopy. The oxidation ratio in the PEDOT increased while electrochemical activity decreased in both cases. Moreover, the PEDOT:κC system allowed the immobilization of the acetylcholinesterase enzyme, which retained its activity. The unique combination of properties is a key feature in the bioelectronics field.
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页码：218 / 223
页数：5
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