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Issue 6, 2019
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Facile fabrication of electroconductive natural silk composites by microscale manipulation

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Abstract

Flexible smart materials have attracted a lot of attention in material science, especially in biomaterials and wearable devices. In this study, silk composites with high electroconductivity and biocompatibility were prepared based on a facile slight dissolution technique that reduces weak structures and a nanoscale manipulation of silk fibers, which allows more pyrrole penetration and deposition. The composite resistivity and conductivity are 0.021 ± 0.002 Ω m and 0.47 ± 0.03 S cm−1, respectively. Morphology studies and elemental analysis clearly showed that polypyrrole (PPy) distributed the outer and inner silk fibers homogeneously, which contributed to the improvement of the electroconductivity and electric heating properties. 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.

Graphical abstract: Facile fabrication of electroconductive natural silk composites by microscale manipulation

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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., 2019,43, 2559-2566

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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, 43, 2559
    DOI: 10.1039/C8NJ05041D

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