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Towards elucidation of the drug release mechanism from compressed hydrophilic matrices made of cellulose ethers. I. Pulse-field-gradient spin-echo NMR study of sodium salicylate diffusivity in swollen hydrogels with respect to polymer matrix physical structure

Cellulose EthersHydrogelsPolymer ChemistryBiopolymer GelEngineeringPolymer ScienceSwollen HydrogelsAmphiphilic SystemBiomedical EngineeringSoft MatterBiophysicsRelease MechanismDrug Release Mechanism