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Title: Poly-ε-caprolactone/gelatin hybrid electrospun composite nanofibrous mats containing ultrasound assisted herbal extract: Antimicrobial and cell proliferation study
Authors: Ramalingam, R.
Dhand, C.
Leung, C.M.
Ezhilarasu, H. 
Prasannan, P.
Ong, S.T.
Subramanian, S.
Kamruddin, M.
Lakshminarayanan, R.
Ramakrishna, S. 
Verma, N.K.
Arunachalam, K.D.
Keywords: Anti-infective wound dressing
Electrospun hybrid mats
Ultrasound assisted extraction
Issue Date: 2019
Publisher: MDPI AG
Citation: Ramalingam, R., Dhand, C., Leung, C.M., Ezhilarasu, H., Prasannan, P., Ong, S.T., Subramanian, S., Kamruddin, M., Lakshminarayanan, R., Ramakrishna, S., Verma, N.K., Arunachalam, K.D. (2019). Poly-ε-caprolactone/gelatin hybrid electrospun composite nanofibrous mats containing ultrasound assisted herbal extract: Antimicrobial and cell proliferation study. Nanomaterials 9 (3) : 462. ScholarBank@NUS Repository.
Rights: Attribution 4.0 International
Abstract: Electrospun fibers have emerged as promising materials in the field of biomedicine, due to their superior physical and cell supportive properties. In particular, electrospun mats are being developed for advanced wound dressing applications. Such applications require the firers to possess excellent antimicrobial properties in order to inhibit potential microbial colonization from resident and non-resident bacteria. In this study, we have developed Poly-ε-Caprolactone /gelatin hybrid composite mats loaded with natural herbal extract (Gymnema sylvestre) to prevent bacterial colonization. As-spun scaffolds exhibited good wettability and desirable mechanical properties retaining their fibrous structure after immersing them in phosphate buffered saline (pH 7.2) for up to 30 days. The initial burst release of Gymnema sylvestre prevented the colonization of bacteria as confirmed by the radial disc diffusion assay. Furthermore, the electrospun mats promoted cellular attachment, spreading and proliferation of human primary dermal fibroblasts and cultured keratinocytes, which are crucial parenchymal cell-types involved in the skin recovery process. Overall these results demonstrated the utility of Gymnema sylvestre impregnated electrospun PCL/Gelatin nanofibrous mats as an effective antimicrobial wound dressing. © 2019 by the authors. Licensee MDPI, Basel, Switzerland.
Source Title: Nanomaterials
ISSN: 20794991
DOI: 10.3390/nano9030462
Rights: Attribution 4.0 International
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