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Characteristics of curcumin-loaded poly (lactic acid) nanofibers for wound healing

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Abstract

Curcumin (Cur) is a well-known extract of the root of Curcuma longa L. that has multi biological functions such as anti-oxidation, anti-inflammatory, anti-cancer, and wound healing properties. In the present study, poly (lactic acid) (PLA) nanofibers were used as a carrier for Cur because PLA nanofibers are biocompatible and have a high-specific surface area and high porosity, which can enhance the functional properties of Cur. The chemical and biological characteristics of Cur/PLA blended nanofibers containing varied amounts of Cur were examined. An increase from 0.125 to 6.250 wt% Cur in PLA caused a decrease in the diameters of the nanofibers from 971 ± 274 to 562 ± 177 nm. At Cur concentrations of <1.250 wt%, PLA and Cur showed good miscibility in the blended nanofibers, as shown by FTIR analysis and tensile tests. The inclusion of Cur in the blended nanofibers at concentration as low as 0.125 wt% promotes the attachment and proliferation of cells. The in vivo wound healing capability of Cur-loaded PLA nanofibers was assessed in a mouse model; treatment with Cur-loaded PLA nanofibers significantly increased the rate of wound closure (87 %) by day 7 compared with that of PLA nanofibers (58 %). The results of this study suggest that Cur-loaded nanofibers with appropriate Cur concentration are nontoxic and have potential as component of wound-healing patches.

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Acknowledgements

This project was partially financially supported by the “2011 Overseas Benchmarking Program of Hankyong National University”.

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Authors and Affiliations

  1. Division of Chemical Engineering, Hankyong National University, 327 Chungang-ro, Gyeonggi-do, Anseong-si, 456-749, Korea

    Thuy Thi Thu Nguyen & Jun Seo Park

  2. Department of Animal Life and Environmental Science, Hankyong National University, 327 Chungang-ro, Gyeonggi-do, Anseong-si, 456-749, Korea

    Chiranjit Ghosh & Seong-Gu Hwang

  3. Institute of Materials Science, Vietnam Academy of Science and Technology, Hanoi, Vietnam

    Lam Dai Tran

Authors
  1. Thuy Thi Thu Nguyen
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  2. Chiranjit Ghosh
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  3. Seong-Gu Hwang
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  4. Lam Dai Tran
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  5. Jun Seo Park
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Correspondence to Jun Seo Park.

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Nguyen, T.T.T., Ghosh, C., Hwang, SG. et al. Characteristics of curcumin-loaded poly (lactic acid) nanofibers for wound healing. J Mater Sci 48, 7125–7133 (2013). https://doi.org/10.1007/s10853-013-7527-y

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  • DOI: https://doi.org/10.1007/s10853-013-7527-y

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