EPR Study of Controlled Drug Release from PNIPAM and P(NIPAM-g-PLA) Globulesстатья
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Дата последнего поиска статьи во внешних источниках: 11 октября 2024 г.
Аннотация:Spin probe electron paramagnetic resonance spectroscopy was applied to estimate release kineticpatterns from globules formed in solutions of thermoresponsive polymers poly-N-isopropylacrylamide(PNIPAM) and graft copolymer based on N-isopropylacrylamide and oligolactide (P(NIPAM-g-PLA))containing (2,2,6,6-tetramethylpiperidin-1-yl)oxyl (TEMPO) spin probe as a drug model. It is shown thatthe main mechanism of TEMPO release from globules of thermoresponsive polymers in aqueous solutionsabove LSCT is Brownian diffusion.