期刊
ACS APPLIED MATERIALS & INTERFACES
卷 9, 期 50, 页码 44124-44133出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.7b15019
关键词
poly(ethylene dioxythiophene); hydrogel; conducting polymer; copolymerization; electroactive; cardiac cells
资金
- CNPq, Conselho Nacional de Desenvolvimento Cientifico e Tecnologico
- INCTBio, Instituto Nacional de Ciencia e Tecnologia em Bioanalitica, Brazil
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology [CE140100036]
- Australian Research Council [FL150100060]
- University of Sydney
- NHMRC [APP1129685]
- Australian Research Council [FL150100060] Funding Source: Australian Research Council
Functionalized poly(ethylene dioxythiophene) (f-PEDOT) was copolymerized with two vinyl monomers of different hydrophilicity, acrylic acid and hydroxyethyl methacrylate, to produce electroconductive hydrogels with a range of physical and electronic properties. These hydrogels not only possessed tailored physical properties, such as swelling ratios and mechanical properties, but also displayed electroactivity dependent on the chemical composition of the network. Raman spectroscopy indicated that the functional PEDOT in the hydrogels is in an oxidized form, most likely accounting for the good electrochemical response of the hydrogels observed in physiological buffer. In vitro cell studies showed that cardiac cells respond differently when seeded on hydrogel substrates with different compositions. This study presents a facile approach for the fabrication of electroconductive hydrogels with a range of properties, paving the way for scaffolds that can meet the requirements of different electroresponsive tissues.
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