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Facile fabrication of electroconductive natural silk composites by microscale manipulation

Abstract

Flexible smart materials have attracted more attentions in material science, especially in biomaterial and wearable devices. In this study, silk composites with high electroconductivity and biocompatibility are prepared based on facile slightly dissolution technique to reduce weak structures and nanoscale manipulation of the silk fibers, which allowed more pyrrole penetration and deposition. The composite resistivity and conductivity are of 0.021±0.002Ω·m and 0.47±0.03S·cm-1, respectively. Morphology and element analysis clearly showed that polypyrrole (PPy) distributed outer and inner of silk fibers homogeneously, which contributed to electroconductivity and electric heating properties improvements. The silk/PPy composite supported PC12 cell growth and development as well. These silk/PPy composites with highlighted features provide favourable candidates for biomedical products and wearable devices.

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Publication details

The article was received on 05 Oct 2018, accepted on 03 Jan 2019 and first published on 04 Jan 2019


Article type: Paper
DOI: 10.1039/C8NJ05041D
Citation: New J. Chem., 2019, Accepted Manuscript
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    Facile fabrication of electroconductive natural silk composites by microscale manipulation

    S. Yan, Q. Yang, G. Han, Q. Wang, X. Li, L. Wang, Z. Luo, R. You and Q. Zhang, New J. Chem., 2019, Accepted Manuscript , DOI: 10.1039/C8NJ05041D

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