نتایج جستجو برای: antisolvent

تعداد نتایج: 420  

Journal: :International journal of pharmaceutics 2006
Ana Rita C Duarte Mariana Sousa Costa Ana Luísa Simplício Maria Margarida Cardoso Catarina M M Duarte

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...

Journal: :Journal of Visualized Experiments 2021

Organic–inorganic perovskites have an impressive potential for the design of next generation solar cells and are currently considered upscaling commercialization. Currently, perovskite rely on spin-coating which is neither practical large areas nor environmentally friendly. Indeed, one conventional most effective lab-scale methods to induce crystallization, antisolvent method, requires amount t...

Journal: :CrystEngComm 2022

Impact of process conditions on product quality is investigated in the recovery high purity (NH 4 ) 3 ScF 6 by antisolvent crystallization.

Journal: :Chemical communications 2010
Riichiro Ohta Itaru Gunjishima Kazuma Shinozaki Tatsuya Hatanaka Atsuto Okamoto Koichi Nishikawa

We developed a novel anti-agglomeration method that enables preservation of the vertical alignment of carbon nanotubes (CNTs) during desiccation of wet CNTs by utilizing antisolvent precipitation and sublimation of naphthalene (Nap). Moreover, we succeeded in depositing Pt nanoparticles onto CNTs without collapse of the vertically aligned morphology by this method.

Journal: :Chemical communications 2015
Ricardo Couto Sylvain Chambon Cyril Aymonier Emmanuel Mignard Bertrand Pavageau Arnaud Erriguible Samuel Marre

We report for the first time the use of a microfluidic supercritical antisolvent process (μSAS) to synthesize semiconducting polymer nanoparticles (NPs) of poly(3-hexylthiophene) (P3HT). Solvent-free P3HT NPs with average diameters as small as 36 ± 8 nm are obtained. They are continuously spray-coated on substrates to fabricate OFET devices, demonstrating hole mobility through the nanoparticle ...

Journal: :European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences 2014
Yuangang Zu Wei Sun Xiuhua Zhao Weiguo Wang Yong Li Yunlong Ge Ying Liu Kunlun Wang

We prepared amphotericin B (AmB) nanoparticles through liquid antisolvent precipitation (LAP) and by freeze-drying to improve the solubility of AmB for oral administration. The LAP was optimized through a single-factor experiment. We determined the effects of surfactants and their concentration, the stirring time, the precipitation temperature, the stirring intensity, the drug concentration and...

Journal: :International Journal of Pharmaceutics 2007

Journal: :Journal of materials chemistry. A, Materials for energy and sustainability 2022

The method of antisolvent application used during the fabrication solution-processed lead halide perovskite layers influences their microstructure, stoichiometry and consequently, photovoltaic performance.

2013
Min-Soo Kim

The objectives of this study were to develop a novel solid dutasteride formulation with improved physicochemical properties and oral bioavailability, and to examine the correlation between its in vitro dissolution and in vivo pharmacokinetic parameters. Hydroxypropyl-β-cyclodextrin (HP-β-CD) nanostructures with or without hydrophilic additives were manufactured using the supercritical antisolve...

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