نتایج جستجو برای: release kinetics
تعداد نتایج: 305191 فیلتر نتایج به سال:
Efficient delivery of growth factors from carrier biomaterials depends critically on the release kinetics of the proteins that constitute the carrier. Immobilizing growth factors to calcium phosphate ceramics has been attempted by direct adsorption and usually resulted in a rapid and passive release of the superficially adherent proteins. The insufficient retention of growth factors limited the...
IPX066 (extended-release carbidopa-levodopa [ER CD-LD]) is an oral extended-release capsule formulation of carbidopa and levodopa. The single-dose pharmacokinetics of ER CD-LD (as 2 capsules; total dose, 97.5 mg-390 mg CD-LD) versus immediate-release (IR) CD-LD (25 mg-100 mg), sustained-release (CR) CD-LD (25 mg-100 mg), and CD-LD-entacapone (25 mg-100 mg-200 mg) was evaluated in healthy subjec...
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. ...
One of the promising frontiers of bioengineering is the controlled release of a therapeutic drug from a vehicle across the skin (transdermal drug delivery). In order to study the complete process, a two-phase mathematical model describing the dynamics of a substance between two coupled media of different properties and dimensions is presented. A system of partial differential equations describe...
conclusions: the results of the present study indicated that oral preparation of cm with an acceptable taste is feasible. background: chlorpheniramine maleate (cm) is widely used as an antihistaminic drug but it is very bitter and as yet no mouth dissolving/disintegrating taste-masked preparation that might be useful for pediatric and geriatric patients is available in the market. objectives: t...
Abstract: Background: Bendamustine-loaded albumin nanoparticles were prepared using different concentrations of Bovine Serum Albumin (BSA) with the goal delivering medication to particular cancer cells. Materials and Procedures: The simple coacervation technique increasing BSA. characterized for process yield, particle size, surface morphology, drug loading capacity (%), size distribution (Poly...
A presynaptic voltage control method has been used to investigate the modulatory effects of serotonin (5-HT) and okadaic acid (OA) on the inhibitory junction of the crayfish opener muscle. Instead of using action potentials, we used 20 msec pulses depolarized to 0 mV to activate transmitter release. This approach allowed us to monitor two separate physiological parameters related to the release...
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