Controlled polyelectrolyte association of chitosan and carboxylated nano-fibrillated cellulose by desalting
Abstract: We prepared chitosan (CHI) hydrogels reinforced with highly charged cellulose nanofibrils (CNF) by the desalting method. To this end, the screening of electrostatic interactions between CHI polycation and CNF polyanion was performed by adding NaCl at 0.4 mol/L to the chitosan acetate solution and to the cellulose nanofibrils suspension. The polyelectrolyte complexation between CHI polycation and CNF polyanion was then triggered by desalting the CHI/CNF aqueous mixture by multistep dialysis, in large excess of chitosan. Further gelation of non-complexed CHI was performed by alkaline neutralization of the polymer, yielding high reinforcement effects as probed by the viscoelastic properties of the final hydrogel. The results showed that polyelectrolyte association by desalting can be achieved with a polyanionic nanoparticle partner. Beyond obtaining hydrogel with improved mechanical performance, these composite hydrogels may serve as precursor for dried solid forms with high mechanical properties
- Standort
-
Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
-
Online-Ressource
- Sprache
-
Englisch
- Anmerkungen
-
Polymers. - 13, 12 (2021) , 2023, ISSN: 2073-4360
- Ereignis
-
Veröffentlichung
- (wo)
-
Freiburg
- (wer)
-
Universität
- (wann)
-
2021
- Urheber
- DOI
-
10.3390/polym13122023
- URN
-
urn:nbn:de:bsz:25-freidok-2189317
- Rechteinformation
-
Kein Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
-
25.03.2025, 13:45 MEZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Amine, Sarah
- Montembault, Alexandra
- Fumagalli, Matthieu
- Osorio-Madrazo, Anayancy
- David, Laurent
- Universität
Entstanden
- 2021
Ähnliche Objekte (12)
Nanoparticles and colloidal hydrogels of chitosan–caseinate polyelectrolyte complexes for drug-controlled release applications
Molecular dynamics simulation study of polyelectrolyte adsorption on cellulose surfaces
Molecular dynamics simulation study of polyelectrolyte adsorption on cellulose surfaces
Drug loaded cellulose-chitosan aerogel microfibers for wound dressing applications
Cellulose nanofiber-filled chitosan hydrogel composites for intervertebral disc tissue repairing
Parameters influencing the size of chitosan-TPP nano- and microparticles
Controlled release of proteins bound to spherical polyelectrolyte brushes
Polyelectrolyte multilayer capsules as controlled permeability vehicles and catalyst carriers
Cellulose based transition metal nano-composites : structuring and development
Cellulose based transition metal nano-composites : structuring and development
Functional bionanocomposite fibers of chitosan filled with cellulose nanofibers obtained by gel spinning
Development and characterization of nano-hydroxyapatite, collagen, chitosan scaffolds for bone regeneration
Nanoparticles and colloidal hydrogels of chitosan–caseinate polyelectrolyte complexes for drug-controlled release applications
Molecular dynamics simulation study of polyelectrolyte adsorption on cellulose surfaces
Molecular dynamics simulation study of polyelectrolyte adsorption on cellulose surfaces
Drug loaded cellulose-chitosan aerogel microfibers for wound dressing applications
Cellulose nanofiber-filled chitosan hydrogel composites for intervertebral disc tissue repairing
Parameters influencing the size of chitosan-TPP nano- and microparticles
Controlled release of proteins bound to spherical polyelectrolyte brushes
Polyelectrolyte multilayer capsules as controlled permeability vehicles and catalyst carriers
Cellulose based transition metal nano-composites : structuring and development
Cellulose based transition metal nano-composites : structuring and development
Functional bionanocomposite fibers of chitosan filled with cellulose nanofibers obtained by gel spinning
Development and characterization of nano-hydroxyapatite, collagen, chitosan scaffolds for bone regeneration
Nanoparticles and colloidal hydrogels of chitosan–caseinate polyelectrolyte complexes for drug-controlled release applications
Molecular dynamics simulation study of polyelectrolyte adsorption on cellulose surfaces
Molecular dynamics simulation study of polyelectrolyte adsorption on cellulose surfaces
Drug loaded cellulose-chitosan aerogel microfibers for wound dressing applications
Cellulose nanofiber-filled chitosan hydrogel composites for intervertebral disc tissue repairing
Parameters influencing the size of chitosan-TPP nano- and microparticles
Controlled release of proteins bound to spherical polyelectrolyte brushes
Polyelectrolyte multilayer capsules as controlled permeability vehicles and catalyst carriers
Cellulose based transition metal nano-composites : structuring and development
Cellulose based transition metal nano-composites : structuring and development
Functional bionanocomposite fibers of chitosan filled with cellulose nanofibers obtained by gel spinning