Controlled release alginate-chitosan microspheres of tolmetin sodium prepared by internal gelation technique and characterized by response surface modeling
نویسندگان
چکیده
منابع مشابه
Alginate microspheres prepared by internal gelation: development and effect on insulin stability.
Recombinant human insulin was encapsulated within alginate microspheres by the emulsification/internal gelation technique with the objective of preserving protein stability during encapsulation procedure. The influence of process and formulation parameters was evaluated on the morphology and encapsulation efficiency of insulin. The in vitro release of insulin from microspheres was studied under...
متن کاملEvaluation of furosemide-loaded alginate microspheres prepared by ionotropic external gelation technique.
Alginate microspheres containing furosemide were prepared by the ionotropic external gelation technique using Ca2+, Al3+ and Ba2+ ions. The incorporation efficiency of the prepared microspheres ranged between 65% and 93%. The effect of sodium alginate concentration, cross-linking ions and drying conditions was evaluated with respect to entrapment efficiency, particle size, surface characteristi...
متن کاملEvaluation of diltiazem hydrochloride-loaded mucoadhesive microspheres prepared by emulsification-internal gelation technique.
The problems of frequent administration and variable low bioavailability (40-60%) after oral administration of conventional dosage forms of diltiazem can be attenuated by designing it in the form of mucoadhesive microspheres which would prolong the residence time at the absorption site to facilitate intimate contact with the absorption surface and thereby improve and enhance the bioavailability...
متن کاملPreparation of Microspheres of Diclofenac Sodium by Ionotropic Gelation Technique
Diclofenac sodium is a non-steroidal anti-inflammatory drug used in the treatment of arthritis. Treatment with NSAIDs is observed to have gastro intestinal side effects and the formulation of Diclofenac sodium using biodegradable and biocompatible polymer in the form of microspheres is expected to decrease GI side effects. In the present study, different microsphere formulations of Diclofenac S...
متن کاملFormulation and evaluation of captropril microspheres by ionic gelation technique
The development of oral sustained or controlled release dosage form of captopril has been an interested topic of research for a long period of time. Difficulties encountered on the fact that the drug is freely water soluble. Such drug is difficult to be delivered orally in a sustained or controlled release manner and, Due to its effectiveness and intensive use as a drug of choice in the treatme...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Brazilian Journal of Pharmaceutical Sciences
سال: 2020
ISSN: 2175-9790
DOI: 10.1590/s2175-97902020000118414