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Differences in surf...
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Gusenbauer, ClaudiaUniversität für Bodenkultur,University of Natural Resources and Life Sciences
(författare)
Differences in surface chemistry of regenerated lignocellulose fibers determined by chemically sensitive scanning probe microscopy
- Artikel/kapitelEngelska2020
Förlag, utgivningsår, omfång ...
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Elsevier BV,2020
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electronicrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:research.chalmers.se:56185aec-ec6c-4d4e-a8f4-2187864f5b55
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https://doi.org/10.1016/j.ijbiomac.2020.10.145DOI
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https://research.chalmers.se/publication/520326URI
Kompletterande språkuppgifter
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Språk:engelska
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Sammanfattning på:engelska
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Klassifikation
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
Anmärkningar
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Tuning the composition of regenerated lignocellulosic fibers in the production process enables targeting of specific material properties. In composite materials, such properties could be manipulated by controlled heterogeneous distribution of chemical components of regenerated fibers. This attribute requires a visualization method to show their inherent chemical characteristics. We compared complementary microscopic techniques to analyze the surface chemistry of four differently tuned regenerated lignocellulosic fibers. Adhesion properties were visualized with chemical force microscopy and showed contrasts towards hydrophilic and hydrophobic atomic force microscopy tips. Fibers containing xylan showed heterogeneous adhesion properties within the fiber structure towards hydrophilic tips. Additionally, peak force infrared microscopy mapped spectroscopic contrasts with nanometer resolution and provided point infrared spectra, which were consistent to classical infrared microscopy data. With this setup, infrared signals with a spatial resolution below 20 nm reveal chemical gradients in specific fiber types.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Nypelö, Tiina,1982Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)nypelo
(författare)
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Jakob, Devon S.Lehigh University
(författare)
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Xu, Xiaoji G.Lehigh University
(författare)
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Vezenov, Dmitri V.Lehigh University
(författare)
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Asaadi, ShirinAalto-Yliopisto,Aalto University
(författare)
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Sixta, HerbertAalto-Yliopisto,Aalto University
(författare)
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Konnerth, JohannesUniversität für Bodenkultur,University of Natural Resources and Life Sciences
(författare)
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Universität für BodenkulturChalmers tekniska högskola
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:International Journal of Biological Macromolecules: Elsevier BV165, s. 2520-25270141-81301879-0003
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