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Antibacterial properties of silk fibroin/chitosan blend films loaded with plant extract

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Abstract

The silk fibroin (SF)/chitosan (CHI) blend films were prepared by dissolving them in formic acid. The morphology of the films was examined by scanning electron microscopy (SEM). The roughness of the membranes was determined by atomic force microscopy (AFM). These films were treated with the extracts of Pistacia terebinthus, Pistacia lentiscus, and Hypericum empetrifolium. Folin-Ciocalteu assay was used to determine the amount of total phenols adsorbed on these blend films. The antibacterial properties of films were tested using disc diffusion and turbidity measurement methods against Escherichia coli and Staphylococcus epidermidis. The release of adsorbed phenolics from the film surface resulted in antibacterial properties.

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Authors and Affiliations

  1. Department of Textile Engineering, Ege University, Bornova-Izmir, Turkey

    Guldemet Basal

  2. Department of Chemical Engineering, Izmir Institute of Technology, Urla-Izmir, Turkey

    Duygu Altıok & Oguz Bayraktar

Authors
  1. Guldemet Basal
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  2. Duygu Altıok
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  3. Oguz Bayraktar
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Correspondence to Guldemet Basal.

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Basal, G., Altıok, D. & Bayraktar, O. Antibacterial properties of silk fibroin/chitosan blend films loaded with plant extract. Fibers Polym 11, 21–27 (2010). https://doi.org/10.1007/s12221-010-0021-0

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  • DOI: https://doi.org/10.1007/s12221-010-0021-0

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