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Innovative Green Wa...
Innovative Green Way to Design Biobased Electrospun Fibers from Wheat Gluten and These Fibers' Potential as Absorbents of Biofluids
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- Muneer, Faraz (author)
- Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences,Institutionen för växtförädling,Department of Plant Breeding
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- Hedenqvist, Mikael S. (author)
- KTH Royal Institute of Technology,KTH,Polymera material
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- Hall, Stephen (author)
- Lund University,Lunds universitet,Hållfasthetslära,Institutionen för byggvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,LINXS - Institute of advanced Neutron and X-ray Science,Kemiska institutionen,Solid Mechanics,Department of Construction Sciences,Departments at LTH,Faculty of Engineering, LTH,Department of Chemistry,Faculty of Engineering, LTH
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- Kuktaite, Ramune (author)
- Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences,Institutionen för växtförädling,Department of Plant Breeding
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(creator_code:org_t)
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- 2022-01-21
- 2022
- English.
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In: ACS Environmental Au. - : American Chemical Society (ACS). - 2694-2518. ; 2:3, s. 232-241
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Abstract
Subject headings
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- In this study, a new method was developed to successfully design sustainable microfibers from wheat gluten proteins using a nonreducing solvent and electrospinning. We explored the morphology by X-ray tomography, scanning electron microscopy (SEM), and confocal laser scanning microscopy (CLSM), protein chemistry and cross-linking by size exclusion-high-performance liquid chromatography (SE-HPLC), and secondary structure by Fourier transform infrared spectroscopy (FT-IR) of fibers containing 15 and 20% of gluten. The impact of heat (130 °C) post-treatment on the polymerization properties of fibers and their absorption performance in different biofluids were also evaluated. The fibers with 20% gluten showed a uniform architecture supported by a relatively stronger fibrous network as compared to irregular and brittle fibers from 15% gluten. Heat treatment of fibers increased the protein cross-linking in all electrospun fibers as compared to the non-heat-treated fibers, as evidenced by SE-HPLC. An increase in the amount of α-helices and random coils was observed in the proteins of all of the heat-treated fibers compared to the nontreated fibers by FT-IR. This suggested that the heat treatment contributed positively to the gluten protein's chemical rearrangements, e.g., aggregation, new hydrogen and isopeptide bonding, and conversion of some of the sulfhydryl groups into disulfide cross-links, contributing positively to the functional performance. The heat-treated electrospun fibers with 20% gluten showed a very attractive blood absorption capacity (323%) and reasonable stability in phosphate-buffered saline (PBS) buffer compared to 15% gluten fibers and non-heat-treated fibers. Cotton-like fiber architecture, high blood absorption capacity, and reasonable stability in PBS buffer are properties desired for absorbents of biofluids and should be further explored in healthcare and medical applications.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik -- Biomaterial (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology -- Bio Materials (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinsk bioteknologi -- Biomaterialvetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Medical Biotechnology -- Biomaterials Science (hsv//eng)
Keyword
- absorbents
- blood absorption
- electrospinning
- gluten proteins
- medical textiles
- microfibers
- protein structure
- absorbents
- blood absorption
- electrospinning
- gluten proteins
- medical textiles
- microfibers
- protein structure
Publication and Content Type
- ref (subject category)
- art (subject category)
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