Studies on biodegradation and release of gentamicin sulphate from interpenetrating network hydrogels based on poly(acrylic acid) and gelatin: in vitro and in vivo Export

@article{citeulike:5980435, abstract = {Interpenetrating network hydrogels (IPNs) based on poly(acrylic acid) and gelatin (Ge) were evaluated for in vitro and in vivo biodegradation and in vivo release of gentamicin sulphate. In vitro and in vivo degradation studies demonstrated that with the increase of acrylic acid content in the polymer, the rate of degradation decreases, and a reverse phenomenon was observed with increasing Ge content in the hydrogel. The rate of in vivo degradation was much lower than in vitro degradation. Incorporation of gentamicin sulphate in hydrogel further reduces their degradation. In vitro and in vivo drug release profile showed a burst effect, followed by controlled release. Drug concentration was measured in the local skin tissue, blood serum, kidney, liver and spleen. The local skin tissue concentration of 50\% and 100\% gentamicin sulphate, loaded full IPNs (i.e., Ax-1 and Ax-2), was found to be higher (20±2 μg/g) than the minimum bactericidal concentration for Staphylococcus aureus (1.2 μg/g) and Pseudomonas aeruginosa (10 μg/g), respectively, for a study time of 60 days.}, author = {Changez, M. and Koul, V. and Krishna, B. and Dinda, A. K. and Choudhary, V.}, citeulike-article-id = {5980435}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/S0142-9612(03)00466-6}, citeulike-linkout-1 = {http://linkinghub.elsevier.com/retrieve/pii/S0142-9612(03)00466-6}, doi = {10.1016/S0142-9612(03)00466-6}, issn = {01429612}, journal = {Biomaterials}, keywords = {biodegradation, drug\_release, erosion, hydrogel, in\_vivo, ivivc}, month = {January}, number = {1}, pages = {139--146}, posted-at = {2009-10-21 14:05:22}, priority = {2}, title = {Studies on biodegradation and release of gentamicin sulphate from interpenetrating network hydrogels based on poly(acrylic acid) and gelatin: in vitro and in vivo}, url = {http://dx.doi.org/10.1016/S0142-9612(03)00466-6}, volume = {25}, year = {2004} }

TY - JOUR ID - citeulike:5980435 L3 - citeulike-article-id:5980435 N2 - Interpenetrating network hydrogels (IPNs) based on poly(acrylic acid) and gelatin (Ge) were evaluated for in vitro and in vivo biodegradation and in vivo release of gentamicin sulphate. In vitro and in vivo degradation studies demonstrated that with the increase of acrylic acid content in the polymer, the rate of degradation decreases, and a reverse phenomenon was observed with increasing Ge content in the hydrogel. The rate of in vivo degradation was much lower than in vitro degradation. Incorporation of gentamicin sulphate in hydrogel further reduces their degradation. In vitro and in vivo drug release profile showed a burst effect, followed by controlled release. Drug concentration was measured in the local skin tissue, blood serum, kidney, liver and spleen. The local skin tissue concentration of 50% and 100% gentamicin sulphate, loaded full IPNs (i.e., Ax-1 and Ax-2), was found to be higher (20±2 μg/g) than the minimum bactericidal concentration for Staphylococcus aureus (1.2 μg/g) and Pseudomonas aeruginosa (10 μg/g), respectively, for a study time of 60 days. IS - 1 JF - Biomaterials SN - 01429612 EP - 146 TI - Studies on biodegradation and release of gentamicin sulphate from interpenetrating network hydrogels based on poly(acrylic acid) and gelatin: in vitro and in vivo VL - 25 SP - 139 KW - biodegradation KW - drug_release KW - erosion KW - hydrogel KW - in_vivo KW - ivivc AU - Changez, M AU - Koul, V AU - Krishna, B AU - Dinda, AK AU - Choudhary, V PY - 2004/01// UR - http://dx.doi.org/10.1016/S0142-9612(03)00466-6 ER -