Controlled Release in Oral Drug Delivery 2011
DOI: 10.1007/978-1-4614-1004-1_6
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Oral Controlled Delivery Mechanisms and Technologies

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Cited by 7 publications
(2 citation statements)
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“…Physical crosslinking methods, including freeze-thaw cycles and ionic gelation, utilize non-covalent bonds [90][91][92]. The freeze-thaw technique involves cyclically freezing and thawing a cellulose solution, causing cellulose chains to aggregate.…”
Section: Crosslinking Of Cellulose-based Hydrogelsmentioning
confidence: 99%
“…Physical crosslinking methods, including freeze-thaw cycles and ionic gelation, utilize non-covalent bonds [90][91][92]. The freeze-thaw technique involves cyclically freezing and thawing a cellulose solution, causing cellulose chains to aggregate.…”
Section: Crosslinking Of Cellulose-based Hydrogelsmentioning
confidence: 99%
“…Adaptado de (Costa;Lobo & Lopes, 2005) Após o contacto da matriz hidrofílica com os fluidos gástricos, esta como possui canalículos à sua superfície vai absorver os respetivos fluidos, levando à hidratação da matriz, verificando-se, consequentemente, a libertação imediata do alprazolam que se encontra à superfície do comprimido. Posteriormente a este processo, ocorre o intumescimento do polímero, formandose uma camada gelificante em volta do alprazolam que se encontra seco até então (Costa; Lobo & Lopes, 2005;Omidian;Fesharaki & Park, 2011;Abrahamsson et al, 1998).…”
Section: Mecanismos De Libertação Do Alprazolam De Formulações Deunclassified