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  • Title: Amorphous calcium phosphate/poly(D,L-lactic acid) composite nanofibers: electrospinning preparation and biomineralization.
    Author: Ma Z, Chen F, Zhu YJ, Cui T, Liu XY.
    Journal: J Colloid Interface Sci; 2011 Jul 15; 359(2):371-9. PubMed ID: 21536302.
    Abstract:
    Amorphous calcium phosphate (ACP) has been recognized as an attractive biomaterial due to its bioactivity and biocompatibility. Electrospinning is a simple and low-cost way to fabricate polymer fibers. In this study, ACP nanoparticles with diameters ranging from 20 to 80 nm were synthesized using a simple precipitation method. ACP nanoparticles were hybridized with poly(D,L-lactic acid) (PDLLA) to form ACP/PDLLA composite nanofibers by electrospinning, and different architectures including the nanofibrous mesh and tube consisting of ACP/PDLLA composite nanofibers were obtained and characterized. The biomineralization and cytocompatibility of as-prepared ACP/PDLLA composite nanofibers were evaluated in vitro. Osteoblast-like MG63 cells were seeded on the ACP/PDLLA composite nanofiber meshes to perform the cytocompatibility evaluation. The ACP/PDLLA composite nanofibers exhibited a fast mineralization behavior in the simulated body fluid. The attachment of MG63 cells and cytotoxicity of ACP/PDLLA composite nanofibers were also evaluated, and the experiments indicated good biocompatibility and bioactivity of ACP/PDLLA composite nanofibers.
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