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CelloMOF: Nanocellulose Enabled 3D Printing of Metal-Organic Frameworks
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK). Assuit University, Egypt.ORCID iD: 0000-0002-3106-8302
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).ORCID iD: 0000-0001-6748-6656
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
Number of Authors: 42019 (English)In: Advanced Functional Materials, ISSN 1616-301X, E-ISSN 1616-3028, Vol. 29, no 2, article id 1805372Article in journal (Refereed) Published
Abstract [en]

3D printing is recognized as a powerful tool to develop complex geometries for a variety of materials including nanocellulose. Herein, a one-pot synthesis of 3D printable hydrogel ink containing zeolitic imidazolate frameworks (ZIF-8) anchored on anionic 2,2,6,6-tetramethylpiperidine-1-oxylradical-mediated oxidized cellulose nanofibers (TOCNF) is presented. The synthesis approach of ZIF-8@TOCNF (CelloZIF8) hybrid inks is simple, fast (approximate to 30 min), environmentally friendly, takes place at room temperature, and allows easy encapsulation of guest molecules such as curcumin. Shear thinning properties of the hybrid hydrogel inks facilitate the 3D printing of porous scaffolds with excellent shape fidelity. The scaffolds show pH controlled curcumin release. The synthesis route offers a general approach for metal-organic frameworks (MOF) processing and is successfully applied to other types of MOFs such as MIL-100 (Fe) and other guest molecules as methylene blue. This study may open new venues for MOFs processing and its large-scale applications.

Place, publisher, year, edition, pages
2019. Vol. 29, no 2, article id 1805372
Keywords [en]
3D printing, cellulose nanofibers, drug release, metal-organic frameworks, scaffolds, zeolitic imidazolate frameworks
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:su:diva-165781DOI: 10.1002/adfm.201805372ISI: 000455097900011OAI: oai:DiVA.org:su-165781DiVA, id: diva2:1291810
Available from: 2019-02-26 Created: 2019-02-26 Last updated: 2019-12-09Bibliographically approved

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Sultan, SaharAbdelhamid, Hani NasserZou, XiaodongMathew, Aji P.
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