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Fabrication of a PLGA-collagen peripheral nerve scaffold and investigation of its sustained release property in vitro

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Abstract

This study deals with the fabrication of a peripheral nerve scaffold prepared with poly (lactic acid -co- glycolic acid) [PLGA] and acellularized pigskin collagen micro particles and the investigation of its sustained release property in vitro. We took bovine serum albumin [BSA] as model drug to investigate the sustained-release property of the scaffold in vitro. The results showed the scaffold could release BSA steadily with a rate of 6.6 ng/d (= 0.994) or so. In a 1-month test period, the accumulative release ratio of BSA from the scaffold was up to 43%, and the shape of the scaffold was still originally well kept. In addition, the scaffold outcome non-immunogenicity, good cell adhesion and biodegradability. The results indicated a scaffold constructed by this technique would be a potential implanting support with prolonged sustained release function, such as for the use of nerve scaffold.

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Acknowledgement

This work got the support of the National Basic Research Program of China (973 Grant No. 2005CB522603) and “111-Project” (College of bioengineering, Chongqing University, P.R. China)

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Correspondence to Xiao-Kun Li.

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Liu, B., Cai, SX., Ma, KW. et al. Fabrication of a PLGA-collagen peripheral nerve scaffold and investigation of its sustained release property in vitro. J Mater Sci: Mater Med 19, 1127–1132 (2008). https://doi.org/10.1007/s10856-007-3224-1

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  • DOI: https://doi.org/10.1007/s10856-007-3224-1

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