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Dual stimuli responsive poly(N-isopropylacrylamide) coated chitosan scaffolds f...
Temtem, M.; Barroso, T.; Casimiro, T.; Mano, J. F.; Aguiar Ricardo, Anabiomaterials for delivery of bioactive substances that can be controlled by external stimuli. Herein we report the production of smart partially biodegradable scaffolds that exhibit pH- and temperatureresponsive behavior and their effects on the release of a model protein and a drug of low molecular weight. Chitosan (CHT) scaffolds (pH sensitive) were coated/impregnated with a thermoresponsive polymer, poly(N-i...
Supercritical polymerization and impregnation of molecularly imprinted polymers...
Duarte, Ana Rita C.; Casimiro, T.; Duarte, A. A.; Simplicio, A. L.; Duarte, Catarina M. M.Herein the preparation of molecularly imprinted polymers (MIPs) using supercritical fluid technology is evaluated. Poly(diethylene glycol dimethacrylate), polyDEGDMA, was synthesised in supercritical carbon dioxide (scCO2) using a carboxylic acid end-capped perfluoropolyether oil as stabiliser. Polymerisations were carried out in the presence of different concentrations of two different template drug molecules,...
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