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Mechanism, drug release from polymer beads

Scheme 1. Mechanism of protein drug release from pH/thermo-sensitive beads made of polymers with increasing molecular weight. Top - swelling and drug diffusion mechanism results in slow release suited for colon targeting. Bottom - bead dissolution results in fast release suited for duoden delivery. Center - combination of both mechanisms results in intermediate release suited for lower small intestine targeting. Scheme 1. Mechanism of protein drug release from pH/thermo-sensitive beads made of polymers with increasing molecular weight. Top - swelling and drug diffusion mechanism results in slow release suited for colon targeting. Bottom - bead dissolution results in fast release suited for duoden delivery. Center - combination of both mechanisms results in intermediate release suited for lower small intestine targeting.
See other pages where Mechanism, drug release from polymer beads is mentioned: [Pg.555]    [Pg.345]    [Pg.576]    [Pg.349]    [Pg.420]    [Pg.145]    [Pg.991]    [Pg.19]    [Pg.139]    [Pg.3841]    [Pg.87]    [Pg.323]    [Pg.204]    [Pg.151]   
See also in sourсe #XX -- [ Pg.151 , Pg.152 , Pg.154 ]



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