The present study was aimed to develop a novel textile product through bio modification of cotton and micro-denier polyester with sericin (Sn) against bacterial and fungal growth. The authors extracted and purified Sn from silk yellow cocoons. Sn solution (10 g/L) was incorporated into the 100% cotton (C), 100% micro-denier polyester (MDP) and 65/35 micro-denier polyester/cotton (MDP/C) in a padding mangle by a 2-dip/2-nip process and fabrics were analysed by Field-Emission scanning electron microscope. Fabrics were divided into six groups such as untreated groups (C, MDP and MDP/C) and Sn-treated groups (Sn + C, Sn + MDP and Sn + MDP/C) and then underwent organoleptic evaluation and as well as anti-bacterial (Staphylococcus aureus and Escherichia coli) and anti-fungal (Aspergillus niger and Trichoderma harzianum) activities. Sn treated fabrics were found to show the presence of Sn by scanning electron micrographs and also attained high organoleptic score from the panel members. In addition, the Sn-treated fabrics displayed outstanding anti bacterial and anti fungal properties in terms of both qualitative and quantitative analysis. Sn + MDP/C fabrics have shown potential reduction in bacterial and fungal growth when compared with other treated and untreated fabrics. Hence, this study suggests that bio modification of C, MDP and MDP/C with Sn may make them ideal candidate for their application in medical textiles against pathogens.
Journal of The Institution of Engineers (India): Series E – Springer Journals
Published: Jun 1, 2018
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