نتایج جستجو برای: in vitro drug release
تعداد نتایج: 17076627 فیلتر نتایج به سال:
Preparation and In vitro Characterization of Alprazolam Extended- Release Tablets Using HPMC 4000cps
The main aim of this study was preparation and evaluation of extended - release system ofthe anxiolytic substance. Alprazolam is a short-acting benzodiazepine with general propertiessimilar to those of diazepam. Our studies focused on development of extended drug deliverysystem based on Hydroxy Propyl Methyl Cellulose (HPMC 4000cps) as retard agent andPolyvinylpyrrolidone (PVP k30) as binder us...
The aim of this study was preparation and evaluation of ciprofloxacin-containing minitablets for ocular use, in an attempt to obtain prolonged and controlled drug release to the anterior eye segment. Following initial studies on ciprofloxacin powder, it was formulated into ocular minitablets. For this purpose, ciprofloxacin along with various amounts of different sustained release cellulose de...
The aim of this study was preparation and evaluation of ciprofloxacin-containing minitablets for ocular use, in an attempt to obtain prolonged and controlled drug release to the anterior eye segment. Following initial studies on ciprofloxacin powder, it was formulated into ocular minitablets. For this purpose, ciprofloxacin along with various amounts of different sustained release cellulose de...
attempts have been made to prepare nanoparticles based on poly(lactic-co-glycolic acid) (plga) and doxorubicin. biological evaluation and physio-chemical characterizations were performed to elucidate the effects of initial drug loading and polymer composition on nanoparticle properties and its antitumor activity. plga nanoparticles were formulated by sonication method. lactide/glycolide ratio a...
some formulations of drug in adhesive transdermal drug delivery systems ()tddss)( with different functional and non-functional acrylic pressure sensitive adhesives psas)( were prepared. for this purpose fentanyl was used as a drug component. the effects of psas type on skin permeation and in vitro drug release from devices were evaluated using hydrodynamically well-characterized chien permeatio...
objective (s): mucoadhesive disc is one of the various routes of drug delivery for curing buccal disease.materials and methods:everydiscs containing 70 mg stem bark extract of ziziphus jujuba were formulated by using carbopol 934, pvp k30 and gelatin as polymers. discs were made by granulation and direct compression. discs were standardized based on the total phenol. properties such as in vi...
BACKGROUND: The development of injectable sustained-release products are of great interest to veterinary pharmaceuticals and animal health business. Recently, great attention has been paid to in situ gel-forming chitosan/beta-glycerophosphate (chitosan/β-GP) solutions due to their good biodegradability and thermosensitivity. OBJECTIVES: The general aim of this study was to prepare a novel in si...
Objective(s): In this study, drug loaded electrospun nanofibrous mats were prepared and drug release and mechanism from prepared nanofibers were investigated. Materials and Methods: Paclitaxel (PTX) loaded polylactic acid (PLA) nanofibers were prepared by electrospinning. The effects of process parameters, such as PTX concentration, tip to collector distance, voltage, temperature and flow rate...
In this study, tretinoin microemulsion has been formulated based on phase diagram studies by changing the amounts and proportions of inactive ingredients, such as surfactants, co-surfactants and oils. The effects of these variables have been determined on microemulsion formation, particle size of the dispersed phase and release profile of tretinoin from microemulsion through dialysis membrane. ...
In this study, tretinoin microemulsion has been formulated based on phase diagram studies by changing the amounts and proportions of inactive ingredients, such as surfactants, co-surfactants and oils. The effects of these variables have been determined on microemulsion formation, particle size of the dispersed phase and release profile of tretinoin from microemulsion through dialysis membrane. ...
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