期刊
INTERNATIONAL JOURNAL OF POLYMERIC MATERIALS AND POLYMERIC BIOMATERIALS
卷 71, 期 4, 页码 302-314出版社
TAYLOR & FRANCIS AS
DOI: 10.1080/00914037.2020.1825086
关键词
conducting scaffolds; collagen grafting; gel; fiber composites; PC-12 cells
Hydrogel/fiber composites (HFC) improved by bio-related modifications have been developed as promising scaffolds for regenerative medicine. The study synthesized conductive HFC scaffolds by adding collagen-grafted poly-L-lactic acid fibers and genipin, and evaluated their structural, electrical, and functional performances. The results showed that the scaffold is biocompatible and suitable for electrically responsive tissue applications.
Hydrogel/fiber composites (HFC) improved by bio-related modifications have emerged as compelling scaffolds for regenerative medicine. In this study, by adding collagen-grafted poly-L-lactic acid fibers and genipin as a chemical cross-linker to synthesize polypyrrole-chitosan precursor, conductive HFC scaffolds were prepared. Techniques, including microscopy, mechanical analysis, conductivity measurement, and cell culture studies, are used to assess fibers and HFC scaffolds' structural, electrical, and functional performances. The scaffold is biocompatible according to the results of MTT assay and attachment of PC-12 cells. In conclusion, polypyrrole-chitosan hydrogel reinforced by collagen-grafted PLA fibers is suggested to be a potential scaffold for electrically responsive tissue applications.
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