Search results for "ionotropic crosslinking"

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Correlating Rheological Properties of a Gellan Gum-Based Bioink: A Study of the Impact of Cell Density.

2022

Here, for the production of a bioink-based gellan gum, an amino derivative of this polysaccharide was mixed with a mono-functionalized aldehyde polyethyleneglycol in order to improve viscoelastic macroscopic properties and the potential processability by means of bioprinting techniques as confirmed by the printing tests. The dynamic Schiff base linkage between amino and aldehyde groups temporally modulates the rheological properties and allows a reduction of the applied pressure during extrusion followed by the recovery of gellan gum strength. Rheological properties, often related to printing resolution, were extensively investigated confirming pseudoplastic behavior and thermotropic and io…

Polymers and Plasticsionotropic crosslinkingSettore CHIM/09 - Farmaceutico Tecnologico Applicativogellan gum; ionotropic crosslinking; schiff base; cell densities; bioinkGeneral Chemistrybioinkschiff basecell densitiesgellan gumPolymers

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