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Bagasse—A major agro-industrial residue as potential resource for nanocellulose inks for 3D printing of wound dressing devices
RISE - Research Institutes of Sweden, Bioeconomy, PFI.ORCID iD: 0000-0002-6183-2017
IMAM, Argentina.
RISE - Research Institutes of Sweden, Bioeconomy, PFI.
RISE - Research Institutes of Sweden, Bioscience and Materials, Chemistry and Materials.
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2019 (English)In: Additive Manufacturing, ISSN 2214-8604, Vol. 28, p. 267-274Article in journal (Refereed) Published
Abstract [en]

Sugarcane bagasse, an abundant residue, is usually burned as an energy source. However, provided that appropriate and sustainable pulping and fractionation processes are applied, bagasse can be utilized as a main source of cellulose nanofibrils (CNF). We explored in this study the production of CNF inks for 3D printing by direct-ink-writing technology. The CNF were tested against L929 fibroblasts cell line and we confirmed that the CNF from soda bagasse fibers were found not to have a cytotoxic potential. Additionally, we demonstrated that the alginate and Ca 2+ caused significant dimensional changes to the 3D printed constructs. The CNF-alginate grids exhibited a lateral expansion after printing and then shrank due to the cross-linking with the Ca 2+ . The release of Ca 2+ from the CNF and CNF-alginate constructs was quantified thus providing more insight about the CNF as carrier for Ca 2+ . This, combined with 3D printing, offers potential for personalized wound dressing devices, i.e. tailor-made constructs that can be adapted to a specific shape, depending on the characteristics of the wound healing treatment.

Place, publisher, year, edition, pages
Elsevier B.V. , 2019. Vol. 28, p. 267-274
Keywords [en]
3D printing, Alginate, Bagasse, Biomaterials, Nanocellulose, Scaffolds, Calcium compounds, Cell culture, Cellulose, Scaffolds (biology), 3-D printing, Agro-industrial residue, Cellulose nanofibrils, Dimensional changes, Fractionation process, Potential resources, Sugar-cane bagasse, Wound-healing treatment, 3D printers
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-38888DOI: 10.1016/j.addma.2019.05.014Scopus ID: 2-s2.0-85065648577OAI: oai:DiVA.org:ri-38888DiVA, id: diva2:1319877
Note

Funding details: Universidad Nacional de Asunción; Funding details: Consejo Nacional de Investigaciones Científicas y Técnicas; Funding details: Norges Forskningsråd, 271054; Funding text 1: This work has been funded by the ValBio-3D project (Grant ELAC2015/T03-0715 Valorization of residual biomass for advanced 3D materials; Research Council of Norway , Grant no. 271054). The authors acknowledge the Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) and the Universidad Nacional de Misiones (Argentina) for the financial support. Thanks to Mirjana Filipovic, Ingebjørg Leirset and Anne Marie Reitan (RISE PFI) for laboratory analyses.

Available from: 2019-06-03 Created: 2019-06-03 Last updated: 2019-06-03Bibliographically approved

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Chinga-Carrasco, GaryHåkansson, Joakim

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