Silk-cellulose nanofiber membranes for application in water treatment
Abstract
ENGLISH ABSTRACT: Electrospinning (ES) of biopolymers down to nanoscale size has received considerable interest in efforts to address specific millennia problems, which include materials for application in medical and water treatment spheres. The main aim of this study was to fabricate silk fibroin (SF) and cellulose (CE) nanofiber membranes via the ES method, then characterized for morphology using scanning electron microscopy and transmission electron microscopy, structurally using X-ray diffraction, Fourier Transform Infra-red spectrometry, Raman spectroscopy and Solid-State NMR. To establish thermal stability of the fabricated nanofibers when compared to the pure polymers, differential scanning calorimetry and thermal gravimetric studies were conducted. Several properties such as biodegradability, biocompatibility and nontoxic were considered with applications in filter media and tissue engineering in mind. Both cellulose and silk are natural fibers that degrade naturally, and they have remarkable mechanical properties, which, from an environmental friendliness point of view, a blended material from these biopolymers can be a good candidate, and secondly utilize the blended nanofibers as candidates in filtration media. Furthermore, both materials are mechanically strong and therefore can withstand the pressures associated with water treatment. A further advantage is that both silk and cellulose fibers have been reported to exhibit antimicrobial properties. Hence, it was…
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