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Enhanced flexibility of high-yield bamboo pulp fibers via cellulase immobilization within guar gum/polyacrylamide/polydopamine interpenetrating network hydrogels.
- Source :
-
International journal of biological macromolecules [Int J Biol Macromol] 2024 Aug; Vol. 275 (Pt 2), pp. 133168. Date of Electronic Publication: 2024 Jun 29. - Publication Year :
- 2024
-
Abstract
- Softness is a crucial criterion in assessing the comfort and usability of tissue paper. Flexible fibers contribute to the softness of the tissue paper by allowing the sheets to conform to the contours of the skin without feeling rough or abrasive. This study focuses on developing innovative CGG/APAM/PDA hydrogels with interpenetrating networks consisting of cationic guar gum, anionic polyacrylamide, and polydopamine for cellulase immobilization, aimed at improving bamboo fiber flexibility. Cellulase biomolecules are efficiently immobilized on CGG/APAM/PDA hydrogels through the Schiff base reaction. Immobilized cellulases have a wider pH applicability than free cellulases, good storage stability, and can maintain high relative activity at relatively high temperatures. The treatment of bamboo fibers with immobilized cellulase results in a significant increase in flexibility, reaching 6.90 × 10 <superscript>14</superscript>  N·m <superscript>2</superscript> , which is 7.18 times higher than that of untreated fibers. The immobilization of cellulases using CGG/APAM/PDA hydrogels as carriers results in a substantial enhancement of storage stability, pH applicability, and inter-fiber bonding strength, as well as the capacity to sustain high relative enzymatic activity at elevated temperatures. The immobilization of cellulase within CGG/APAM/PDA interpenetrating network hydrogels presents a viable strategy for enhancing bamboo fiber flexibility, thereby expanding the accessibility of tissue products.<br />Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.<br /> (Copyright © 2024 Elsevier B.V. All rights reserved.)
- Subjects :
- Hydrogen-Ion Concentration
Temperature
Sasa chemistry
Plant Gums chemistry
Hydrogels chemistry
Acrylic Resins chemistry
Cellulase chemistry
Cellulase metabolism
Enzymes, Immobilized chemistry
Enzymes, Immobilized metabolism
Indoles chemistry
Polymers chemistry
Galactans chemistry
Mannans chemistry
Subjects
Details
- Language :
- English
- ISSN :
- 1879-0003
- Volume :
- 275
- Issue :
- Pt 2
- Database :
- MEDLINE
- Journal :
- International journal of biological macromolecules
- Publication Type :
- Academic Journal
- Accession number :
- 38950801
- Full Text :
- https://doi.org/10.1016/j.ijbiomac.2024.133168