نتایج جستجو برای: microemulsion vehicles

تعداد نتایج: 61187  

2017
Hui Dong Lili Wang Wei Gao Xiaoyuan Li Chao Wang Fang Ji Jinlong Pan Baorui Wang

A novel functional KH₂PO₄ (KDP) aqueous solution-in-oil (KDP aq/O) microemulsion system for KDP crystal ultra-precision chemical-mechanical polishing (CMP) was prepared. The system, which consisted of decanol, Triton X-100, and KH₂PO₄ aqueous solution, was available at room temperature. The functional KDP aq/O microemulsion system was systematically studied and applied as polishing solution to ...

Journal: :European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences 2010
Rania M Hathout Timothy J Woodman Samar Mansour Nahed D Mortada Ahmed S Geneidi Richard H Guy

The objective was to develop a microemulsion formulation for the transdermal delivery of testosterone. Microemulsion formulations were prepared using oleic acid as the oil phase, Tween20 as a surfactant, Transcutol as cosurfactant, and water. The microemulsions were characterized visually, with the polarizing microscope, and by dynamic light scattering. In addition, the pH, conductivity (sigma)...

2011
MA. Idrees NU. Rahman S. Ahmad MY. Ali I. Ahmad

BACKGROUND AND THE PURPOSE OF THE STUDY Microemulsions are thermodynamically stable, clear dispersions of water, oil, surfactant, and cosurfactant. This study was aimed to develop flurbiprofen microemulsion for enhanced transdermal delivery and investigate the effects of different surfactants and cosurfactants on its delivery and phase behavior. METHOD Various surfactant-cosurfactant mixtures...

2010
Brajesh Kumar Sanjay Kumar Jain Sunil Kumar Prajapati Alok Mahor Ajay Kumar

The objective of this study was to design and develop o/w microemulsion for transdermal delivery of poorly water soluble acyclovir by aqueous titration method. Oleic acid: castor oil (3:1), tween 80, and ethanol were selected as oily phase, surfactant and cosurfactant respectively. The Pseudoternary phase diagrams were constructed by aqueous titration method. The cosurfactant affect the shape a...

Journal: :international journal of nano dimension 0
k. akhavan department of chemistry, faculty of science, islamic azad university, rasht branch, rasht, iran.

the paper is focused on the formation of hydroxyapatite nanoparticles (hap) in polyelectrolyte-modified microemulsions, in a microemulsion template phase consisting of cyclohexane, water, cationic surfactant and cosurfactant, in the presence of na-polyacrylate (paa) as an anionic polyelectrolyte. it is shown that paa, can be incorporated into the individual inverse microemulsion droplets. the m...

Journal: :Indian journal of biochemistry & biophysics 2003
Syamasri Gupta Lana Mukhopadhyay S P Moulik

The oxidation of beta-D-glucose by the enzyme glucose oxidase was studied in aqueous medium, in solutions of surfactants AOT (2-ethylhexylsulfosuccinate, sodium salt) TX-100 (polyethylene glycol p-tert octyl phenyl ether) and in w/o microemulsion medium (water/AOT/decane) at different water/AOT mole ratio (omega), pH, temperature and in presence of additives. The time-dependent activities of th...

2011
Ying Wang Ke-Chun Wu Bing-Xiang Zhao Xin Zhao Xin Wang Su Chen Shu-Fang Nie Wei-San Pan Xuan Zhang Qiang Zhang

The purpose of this study was to prepare a novel paclitaxel (PTX) microemulsion containing a reduced amount of Cremophor EL (CrEL) which had similar pharmacokinetics and antitumor efficacy as the commercially available PTX injection, but a significantly reduced allergic effect due to the CrEL. The pharmacokinetics, biodistribution, in vivo antitumor activity and safety of PTX microemulsion was ...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2007
Monica A James-Smith Dushyant Shekhawat Brij M Moudgil Dinesh O Shah

We propose that one can deduce very insightful information regarding the drug and fatty acid binding capacity of microemulsions through simple turbidity experiments. Pluronic F127-based oil-in-water microemulsions of various compositions were synthesized and titrated to turbidity with concentrated amitriptyline, an antidepressant drug. We observed that, above certain Pluronic F127 concentration...

Journal: :The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation 2009
Fan Ye Xiao Ying-Bin Weng Yu-Guo Roland Hetzer

BACKGROUND Tacrolimus and cyclosporine microemulsion are the 2 major immunosuppressants for heart transplantation. Several studies have compared these 2 drugs, but the outcomes were not consistent. This meta-analysis of randomized controlled trials compared the beneficial and harmful effects of tacrolimus and microemulsion cyclosporine for heart transplant recipients. METHODS Electronic datab...

2015
Rafael Souza Pessoa Eduardo Luzia França Elton Brito Ribeiro Patrícia Kelly Dias Lanes Natalina Galdeano Abud Chaud Lucélia Campelo Albuquerque Moraes Adenilda Cristina Honorio-França

BACKGROUND The aim of this study was to develop and characterize a babassu oil microemulsion system and determine the effect of this microemulsion on the functional activity of phagocytes. METHODS The microemulsion was formulated using distilled water, babassu as the oil phase component, Sorbitan monooleate-Span 80(®) (SP), Polysorbate 80-Tween 80(®) (TW), and 1-butanol (BT). Pseudoternary di...

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