Author: A. Catena

0000000000677454

AUTHOR

A. Catena

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Maltose-conjugated chitosans induce macroscopic gelation of pectin solutions at neutral pH

2014

Injectable polymer scaffolds are particularly attractive for guided tissue growth and drug/cell delivery with minimally invasive intervention. In the present work, "all-polymeric" gelling systems based on pectins and water-soluble maltose-conjugated chitosans (CM) have been developed. Maltose-conjugated chitosan has been synthesized at three different molar ratios, as evaluated by FITR analysis and fluorimetric titration. A thorough rheological characterization of the blends and their parent solutions has been performed. Macroscopic gelation has been achieved by mixing the high esterification degree pectins with CM at higher maltose grafted to chitosan contents. Gels form in a few minutes a…

food.ingredientPolymers and PlasticsPectinmacromolecular substancesConjugated systemChitosanchemistry.chemical_compoundfoodRheologyTissue engineeringPolymer chemistryMaterials ChemistryMaltose-conjugated chitosan Hydrogels Pectin Biocompatible materials RheologyBiocompatible materialsMaltoseMaltose-conjugated chitosanChitosanTissue ScaffoldsOrganic Chemistrytechnology industry and agricultureHydrogelsMaltoseHydrogen-Ion ConcentrationPectinSettore FIS/07 - Fisica Applicata(Beni Culturali Ambientali Biol.e Medicin)SolutionschemistryChemical engineeringSelf-healing hydrogelsPectinsTitrationSettore CHIM/07 - Fondamenti Chimici Delle TecnologieRheologyGels

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