期刊
CARBOHYDRATE POLYMERS
卷 71, 期 3, 页码 476-480出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2007.06.018
关键词
hybrid hydrogel; alginate; in-situ gelation; drug loading; tunable mechanical strength
Novel alginate/porous CaCO3 microparticle hybrid hydrogels are facilely, fabricated by in-situ release of Ca2+ from CaCO3 microparticles induced by hydrolysis Of D-glucono-delta-lactone to reduce pH. The mechanical strength of hybrid hydrogels is easily tunable by the alginate/CaCO3 weight ratio. IBU was adsorbed into the porous CaCO3 microparticles. The embedded porous CaCO3 microparticles endow alginate hydrogels versatile drug loading capability and sustained release, especially for less water-soluble substances. This methodology provides a novel way to create new hybrid hydrogels for biomedical applications. (C) 2007 Elsevier Ltd. All rights reserved.
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