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Solution-Spinning of a Collection of Micro- and Nanocarrier-Functionalized Polysaccharide Fibers
RISE Research Institutes of Sweden, Materials and Production, Polymeric Materials and Composites.ORCID iD: 0000-0002-0125-063x
RISE Research Institutes of Sweden, Materials and Production, Polymeric Materials and Composites.ORCID iD: 0000-0002-4897-8310
Chalmers University of Technology, Sweden.
Chalmers University of Technology, Sweden.
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2022 (English)In: Macromolecular materials and engineering, ISSN 1438-7492, E-ISSN 1439-2054, Vol. 307, no 8, article id 2200110Article in journal (Refereed) Published
Abstract [en]

Continuous polysaccharide fibers and nonwovens—based on cellulose, hydroxypropyl cellulose, chitosan, or alginate—containing biopolymeric microcapsules (MC) or mesoporous silica nanoparticles (MSN) are prepared using a wet-spinning or solution blowing technique. The MCs are homogeneously distributed in the fiber matrices whereas the MSNs form discrete micron-sized aggregates as demonstrated using scanning electron-, fluorescence-, and confocal microscopy. By encapsulating the model compound pyrene, it is shown that 95% of the substance remains in the fiber during the formation process as compared to only 7% for the nonencapsulated substance. The material comprising the MC has a strong impact on the release behavior of the encapsulated pyrene as investigated using methanol extraction. MCs based on poly(l-lactic acid) prove to be practically impermeable with no pyrene released in contrast to MCs based on poly(lactic-co-glycolic acid) which allow for diffusion of pyrene through the MC and fiber as visualized using fluorescence microscopy. © 2022 The Authors.

Place, publisher, year, edition, pages
John Wiley and Sons Inc , 2022. Vol. 307, no 8, article id 2200110
Keywords [en]
core–shell particles, filaments, nonwovens, polysaccharides, solution blown, Biopolymers, Cellulose, Fibers, Fluorescence microscopy, Lactic acid, Nonwoven fabrics, Pyrene, Silica nanoparticles, Spinning (fibers), Core/shell particles, Filament, Functionalized, Hydroxypropyl cellulose, Mesoporous silica nanoparticles, Microcapsules, Microcarriers, Nanocarriers, Non-woven, Fluorescence
National Category
Bioengineering Equipment
Identifiers
URN: urn:nbn:se:ri:diva-59244DOI: 10.1002/mame.202200110Scopus ID: 2-s2.0-85129118260OAI: oai:DiVA.org:ri-59244DiVA, id: diva2:1660586
Note

 Funding details: VINNOVA, 2017−04693, 2021‐01611; Funding details: Svenska Forskningsrådet Formas, 2018−02284, 2021–02642; Funding text 1: The Swedish Research Council FORMAS (2018−02284 and 2021–02642) and Vinnova (2017−04693 and 2021‐01611) are acknowledged for funding. 

Available from: 2022-05-24 Created: 2022-05-24 Last updated: 2024-01-17Bibliographically approved

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Ulmefors, HannaYang Nilsson, TingAndersson Trojer, Markus

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