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Biocompatible fibers from fungal and shrimp chitosans for suture application
Högskolan i Borås, Akademin för textil, teknik och ekonomi. (Swedish Centre for Resource Recovery)
Högskolan i Borås, Akademin för textil, teknik och ekonomi. (Swedish Centre for Resource Recovery)
Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran.
Université Clermont Auvergne, Clermont Auvergne INP, CNRS, Institut Pascal, 63000 Clermont-Ferrand, France; Institut Universitaire de France, Paris, France.
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2022 (engelsk)Inngår i: Current Research in Biotechnology, ISSN 2590-2628, Vol. 4, s. 530-536Artikkel i tidsskrift (Fagfellevurdert) Published
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Abstract [en]

Purified fungal chitosan and crustacean chitosan were wet spun by using adipic and lactic acids as solvent. The lowest viscosity at which fiber formation was possible was 0.5 Pa·s; below this value, aggregates from low molecular weight fungal chitosan (32 kDa) formed, which could not be collected and dried. Fiber formation was achieved with high molecular weight fungal (400 kDa) and shrimp (406.7 kDa) chitosans as well as low molecular weight shrimp chitosan (50–190 kDa). Fibers made of high molecular weight chitosans with adipic acid as the solvent generally exhibited higher tensile strength; the highest observed tensile strength and Young’s modulus were 308.0 ± 18.4 MPa and 22.7 ± 4.0 GPa, respectively. SEM images indicated the formation of cylindrical chitosan fibers. The survival (viability) of human skin fibroblasts in presence of different fibers was measured using tetrazolium-based colorimetric assay and results confirmed that chitosan fibers have better biocompatibility than common conventional sutures, regardless of the chitosan and acid type. Accordingly, chitosan fibers from fungal and shrimp sources serve as good candidates for application as sutures.

sted, utgiver, år, opplag, sider
2022. Vol. 4, s. 530-536
Emneord [en]
Fungal chitosan, Shrimp chitosan, Wet spinning, Adipic acid, Lactic acid, Biocompatibility, Suture
HSV kategori
Forskningsprogram
Resursåtervinning; Resursåtervinning
Identifikatorer
URN: urn:nbn:se:hb:diva-29290DOI: 10.1016/j.crbiot.2022.10.007ISI: 000903554800006Scopus ID: 2-s2.0-85140051762OAI: oai:DiVA.org:hb-29290DiVA, id: diva2:1726867
Forskningsfinansiär
Vinnova, 2018-04093Tilgjengelig fra: 2023-01-13 Laget: 2023-01-13 Sist oppdatert: 2023-01-16bibliografisk kontrollert

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Mohammadkhani, GhasemZamani, Akram

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