نتایج جستجو برای: double emulsification solvent evaporation technique
تعداد نتایج: 906758 فیلتر نتایج به سال:
Curcumin is a polyphenolic compound derived from Curcuma domestica (Zingiberaceae) that possesses diverse pharmacological effects including anti-inflammatory, antioxidant, antimicrobial, and anticarcinogenic activities. Although phase I clinical trials have shown curcumin as a safe drug even at high doses (12 g/day) in humans, poor bioavaibility largely limits its pharmacological activity. Nano...
Microspheres are multiparticulate drug delivery systems which are prepared to obtain prolonged or controlled drug delivery to improve bioavailability, stability and to target the drug to specific site at a predetermined rate. They are made from polymeric waxy or other protective materials such as natural, semi synthetic and synthetic polymers. Microspheres are characteristically free flowing po...
Objective: In this study, it was aimed to prepare Vancomycin loaded poly(lactic acid-co-glycolic acid) (PLGA) nanoparticles that can be used parenterally in enterococcal infections. Material and Method: the different concentrations of PLGA were nanoparticles. Emulsification-solvent evaporation method preparation particles. Particle size distribution, zeta potential, encapsulation efficiency yie...
We present a versatile technique for fabricating polymersomes in glass-coated stamped microfluidic devices. We use templates comprised of double emulsions with a shell of block copolymers dissolved in organic solvents. The double emulsions direct the assembly of amphiphilic diblock copolymers into polymersomes during evaporation of the organic solvents. Our device consists of a single cross jun...
Supercritical fluids extraction of emulsions (SEE) is an innovative technique used for the production of micro, nano-particles with controlled size and distribution. Supercritical carbon dioxide (SC-CO2) is used to extract selectively the organic solvents from the droplets of the emulsion, in which the biopolymer is dissolved, producing the precipitation of the polymer and the subsequent format...
Abstract Background Nanoparticulate drug delivery systems have attracted significant attention in the field of cancer nanotechnology. This study determines the effect of folate-based Fe2O3 nanoparticles. This study aimed to decorate nanoparticles with folate (FA), a molecular ligand for ‘active’ targeting of cancerous cells and the application of modified-nanoparticles in cancer treatment. ...
Ethylcellulose/methylcellulose blends were produced using different precipitation techniques and impregnated with naproxen, a non-steroidal anti-inflammatory drug (NSAID). Solvent-evaporation technique was used not only for the preparation of ethylcellulose/methylcellulose microspheres but also to encapsulate naproxen. Supercritical fluid (SCF) impregnation was also performed to prepare naproxe...
Membrane permeability and P-glycoprotein (P-gp) efflux system are regulating factors in the drug brain penetration. Recently, some drug delivery systems have been developed to overcome these limitations. In this study, Metoclopramid has been encapsulated in PLGA nanoparticles using the emulsification/solvent evaporation technique for in vitro evaluation of the effect of PLGA nanoparticles on BB...
Membrane permeability and P-glycoprotein (P-gp) efflux system are regulating factors in the drug brain penetration. Recently, some drug delivery systems have been developed to overcome these limitations. In this study, Metoclopramid has been encapsulated in PLGA nanoparticles using the emulsification/solvent evaporation technique for in vitro evaluation of the effect of PLGA nanoparticles on BB...
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