نتایج جستجو برای: solvent evaporation method

تعداد نتایج: 1688659  

2013
Sean P. Paradiso Kris T. Delaney Carlos J. García-Cervera Hector D. Ceniceros Glenn H. Fredrickson

Solvent evaporation has proven to be a remarkably successful tool for directing self-assembly in block copolymers, yet the microscopic mechanisms, processing history dependence and macroscopic control parameters influencing pattern selection remain poorly understood. Here, we leverage dynamical field theory simulations to clarify how copolymer self-assembly proceeds during evaporation. We find ...

Journal: :Lab on a chip 2013
Sachit Goyal Michael R Thorson Cassandra L Schneider Geoff G Z Zhang Yuchuan Gong Paul J A Kenis

We describe a microfluidic platform to screen for salt forms of pharmaceutical compounds (PCs) via controlled evaporation. The platform enables on-chip combinatorial mixing of PC and salt former solutions in a 24-well array (~200 nL/well), which is a drastic reduction in the amount of PC needed per condition screened compared to traditional screening approaches that require ~100 μL/well. The re...

2016
Deep Pooja Lakshmi Tunki Hitesh Kulhari Bharathi B. Reddy Ramakrishna Sistla

This data article contains the data related to the research article "Characterization, biorecognitive activity and stability of WGA grafted lipid nanostructures for the controlled delivery of rifampicin" (Pooja et al. 2015) [1]. In the present study, SLN were prepared by a single emulsification-solvent evaporation method and the various steps of SLN preparation are shown in a flow chart. The pr...

2015
Pankaj Wagh Jitendra Naik

The purpose of this study was to prepare polymeric microspheres containing Ketoprofen (KFN) by single emulsion [oil-in-water (o/w)] solvent evaporation method. Polycaprolactone (PCL), biocompatible polymer, was used for the preparation of sustained released microspheres of KFN. A Plackett–Burman design was employed by using the Design-Expert® software (Version9.0.3.1, Stat-Ease Inc., Minneapoli...

Journal: :iranian journal of pharmaceutical research 0
fatemeh khonsari student research committee, tabriz university of medical sciences, tabriz, iran. parvin zaker-milani 1- faculty of pharmacy, tabriz university of medical sciences, tabriz, iran. 2- liver and gastrointestinal diseases research center, tabriz university of medical sciences, tabriz, iran. mitra jelvehgari 1- faculty of pharmacy, tabriz university of medical sciences, tabriz, iran. 2- drug applied research center, tabriz university of medical sciences, tabriz, iran.

the present study involves preparation and evaluation of gastric-mucoadhesive microparticles with metformin hydrochloride as model drug for prolongation of gastric residence time. the microparticles were prepared by the emulsification solvent evaporation technique using polymers of carbomer 934p (c) and ethylcellulose (ec). the microparticles were prepared by emulsion solvent evaporation method...

Journal: :Advanced pharmaceutical bulletin 2014
Shahram Emami Hadi Valizadeh Ziba Islambulchilar Parvin Zakeri-Milani

PURPOSE The aim of the present investigation was preparation and characterization of sirolimus solid dispersions by solvent evaporation technique to improve its dissolution properties. METHODS Polyvinylpyrrolidone (PVP), Poloxamer 188 and Cremophore RH40 were used to prepare the solid dispersions of sirolimus. In vitro dissolution study using USP type I apparatus, were performed in distilled ...

Journal: :iranian journal of pharmaceutical research 0
mh dehghan m jafar

meloxicam is a poorly water soluble non steroidal anti-inflammatory drug and antipyretic agent. the aim of the present work was to investigate the effect of different types of carriers on in vitro dissolution of meloxicam. meloxicam solid dispersions were prepared by physical mixing, co-grinding and solvent evaporation methods with polyethylene glycol (peg) 6000. the effect of solubilization by...

2016
Sarvesh Bohrey Vibha Chourasiya Archna Pandey

Nanoparticles formulated from biodegradable polymers like poly(lactic-co-glycolic acid) (PLGA) are being extensively investigated as drug delivery systems due to their two important properties such as biocompatibility and controlled drug release characteristics. The aim of this work to formulated diazepam loaded PLGA nanoparticles by using emulsion solvent evaporation technique. Polyvinyl alcoh...

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