نتایج جستجو برای: controled release
تعداد نتایج: 214677 فیلتر نتایج به سال:
INTRODUCTION Glenohumeral stability, defined as humeral head translations, is a key point after shoulder arthroplasty. Indeed this parameter is one of the determining factors in the glenoid loosening since linked with the rocking horse effect [1]. In an intact shoulder, translations are controled by all active and passive elements, especially the labrum [2]. In a prosthetic shoulder, translatio...
In the Late Paleozoic paleogeography, the Laibin area, South China, locates in the south-eastern margin of the Laibin-Heshan isolated carbonate platform. One global stratotype section for The Guadalupian–Lopingian (G/L) (The end of the Mid-Permian) transition is located in the Tieqiao section in Laibin area, which is regarded as appropriate one for the study. Based on the analysis, seven facies...
Real world simulation by creating virtual environments is indispensable when you need to design complex entities which have to evolve in the real urban world. For example, testing control algorithms of autonomous vehicles needs an environment composed of a variety of active, moving entities and diierent kinds of vehicles. Virtual simulation environments have to provide this capability during th...
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...
Microbial fuel cells (MFCs) are processes used for simultanuous bioenergy capturing and waste treatment. In this study, a model for MFCs based upon a conduction mechanism for electron transfer is proposed, which integrates substrate utilization, current production and conduction and microbial distribution and growth in batch flow mode. The outputs of the model and that of a mediator based mode...
objective: in dental treatments, use of carriers for targeted antibiotic delivery would be optimal to efficiently decrease microbial count. in this study, gentamicin was loaded into polylactic co-glycolic acid (plga) microspheres and its release pattern was evaluated for 20 days. methods: in this experimental study, plga microspheres loaded with gentamycin were produced by the w/o/w method. t...
the influence of various polymers on the release rate of lithium carbonate from matrix-type tablets was investigated in an attempt to formulate a sustained release solid dosage form. for this purpose, tablets containing 450 mg of lithium carbonate along with various amounts of carbopol 934p, 971p, 974p, pemulen and eudragit rlpo as retarding agents and inactive ingredients (e.g. pvp, avicel or ...
the objective of the study was to compare pharmacokinetic and pharmacodynamic parameters of gliclazide after administration of immediate (ir) and modified release (mr) tablets. the experiment included rats with both normoglyceamia and streptozocin (stz)-induced hyperglyceamia. several mr formulations were designed and in vitro drug release profile was assessed by a dissolution test. for the fur...
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