نتایج جستجو برای: microemulsion system

تعداد نتایج: 2232496  

2010
F. Javier Escudero François Lahitte Jean-Christophe Remigy

Earlier works had demonstrated that microemulsion polymerisation is a well suited technique to produce nanostructured membranes if surfmers (polymerisable surfactants) are used to stabilise the primary template (sponge phase microemulsion). Up to now, however, same hadn’t been done using common surfactants. Present work aims to show this is possible if proper surfactants are selected. Specific ...

Journal: :Physical review letters 2005
Akiko Kaminaga Vladimir K Vanag Irving R Epstein

In the Belousov-Zhabotinsky reaction-diffusion system dispersed in a newly developed water-in-oil aerosol OT/Span-20 microemulsion, the transition between standing waves and traveling waves is accompanied by a halving of the wavelength.

Journal: :Chemical communications 2006
Gang Hu Nan Wang Dermot O'Hare Jason Davis

Hydrophobic layered double hydroxide particles with a single layer structure have been successfully synthesised in a reverse microemulsion system; atomic force microscopy has proven a powerful tool for the study of these delicate nanoparticles.

2016
P. CHOUHAN

The objective of the present study was to design and develop a microemulsion based transungual drug delivery formulation of ciclopirox olamine using colloidal carrier for treatment of onychomycosis. Capmul PG8 was selected as oil phase due to the high solubility of ciclopirox in it as compared to other oils and Cremophor EL and Transcutol P were used as surfactant and cosurfactant respectively....

2010
Yong Ku Han Cheol Won Jeong Hyung Gon Lee

BACKGROUND Microemulsion propofol produces more frequent and severe pain upon injection than lipid emulsion propofol. This study examined the analgesic effect of lidocaine-premixed microemulsion propofol in patients pretreated with remifentanil. The induction of anesthesia with this combination was compared with microemulsion propofol accompanied with either remifentanil or lidocaine. METHODS...

Journal: :The Journal of chemical physics 2004
Vladimir K Vanag Irving R Epstein

We report an example of subcritical wave instability in a model of a reaction-diffusion system and discuss the potential implications for localized patterns found in experiments on the Belousov-Zhabotinsky reaction in a microemulsion.

Journal: :Transplantation proceedings 2001
Herwig-Ulf Meier-Kriesche Bruce Kaplan

Tacrolimus and cyclosporine in the microemulsion formulation Neoral have demonstrated improvements in acute rejection rates after renal transplantation compared with conventional cyclosporine formulation, Sandimmune. To evaluate whether these drugs are also associated with improvements in chronic allograft failure (CAF) rates, we retrospectively analyzed 32,040 primary renal allograft recipient...

Journal: :Pharmaciana 2021

Cellulite was identified by the orange-peel appearance of skin surface that presents in 80-90% post-pubertal women. Caffeine and grape seed oil were known can be used as an anti-cellulite agent. Microemulsion systems are could enhance diffusion rate drugs through skin. This study conducted to develop a microemulsion gel containing caffeine determine effect caffeine's vitro profile. prepared usi...

Journal: :Soft matter 2014
Paula Malo de Molina Marie-Sousai Appavou Michael Gradzielski

The effect of a doubly hydrophobically end-capped water soluble polymer (C18-PEO150-C18) on the properties of an oil-in-water (O/W) droplet microemulsion (R ∼ 2.85 nm) has been studied as a function of the amount of added telechelic polymer. Macroscopically one observes a substantial increase of viscosity once a concentration of ∼5 hydrophobic stickers per droplet is surpassed and effective cro...

2010
Insung Hwang Jung Il Noh Soon Im Kim Mun-Gyu Kim Sun-Young Park Sang Ho Kim Si Young Ok

BACKGROUND Aquafol, a microemulsion propofol, causes more severe and frequent pain on injection than propofol. The purpose of this study was to compare a combination of lidocaine and ketamine on aquafol-induced pain with lidocaine or ketamine alone during the induction of anesthesia. METHODS In this prospective, randomized, double-blinded study, 130 healthy patients who were undergoing electi...

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