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Chitin nanopaper from mushroom extract: natural composite of nanofibers and glucan from a single biobased source

Wan Nawawi, Wan Mohd Fazli and Lee, Koon-Yang and Kontturi, Eero and Murphy, Richard J and Bismarck, Alexander (2019) Chitin nanopaper from mushroom extract: natural composite of nanofibers and glucan from a single biobased source. ACS Sustainable Chemistry and Engineering, 7 (7). pp. 6492-6496. ISSN 2168-0485

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Abstract

An isolation method with mild mechanical agitation and no acidic extraction step from a mushroom substrate resulted in chitin nanofibers (ChNFs) with large shares of retained glucans (50−65%). The subsequent chitin nanopapers exhibited exceptionally high tensile strengths of >200 MPa and moduli of ca. 7 GPa, which were largely attributed to the preserved glucans in the mixture, imparting a composite nature to the nanopapers. The isolation method for ChNFs is notably different from the conventional process with crustacean chitin sources that do not incorporate glucans and where an acidic extraction step for the removal of minerals must always be included.

Item Type: Article (Journal)
Additional Information: 7777/72696
Uncontrolled Keywords: Alternative biomass; Chitin nanofibers; Mechanical properties; Mild extraction; Nanopaper; Nonwoven networks
Subjects: T Technology > TP Chemical technology > TP248.13 Biotechnology
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Engineering
Kulliyyah of Engineering > Department of Biotechnology Engineering
Depositing User: Wan Mohd Fazli Wan Nawawi
Date Deposited: 18 Jun 2019 12:56
Last Modified: 01 Aug 2019 10:17
URI: http://irep.iium.edu.my/id/eprint/72696

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