Crosslinking-Dependent Drug Kinetics in Hydrogels for Ophthalmic Delivery
POLYMERS(2022)
摘要
Drug-diffusion kinetics in 2-hydroxyethyl methacrylate hydrogels were studied as a function of the crosslinking density and porosity. By varying the concentration of the crosslinker, tetraethylene glycol dimethacrylate, we demonstrated how the release of Timolol maleate could be optimized to allow for efficient drug delivery. FTIR and spectrophotometry supplied optical inferences into the functional groups present. By studying the swelling and degradation of hydrogels, supplemented with drug-release kinetics studies, the relationship between these two tenets could be formulated.
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关键词
hydrogels, crosslinking, ophthalmic drug delivery, optimization study
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