نتایج جستجو برای: modified microemulsion

تعداد نتایج: 252554  

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: :international journal of bio-inorganic hybrid nanomaterials 0

the paper is focused on the formation of calcium phosphate nanoparticles (cp) in polyelectrolyte-modified microemulsions, in a microemulsion template phase consisting of cyclohexane, water, anionic surfactantant and cosurfactant, in the presence of anionic and cationic polyelectrolyte. it is shown that polyelectrolyte, can be incorporated into the individual inverse microemulsion droplets. the ...

The paper is focused on the formation of calcium phosphate nanoparticles (CP) in polyelectrolyte-modified microemulsions, in a microemulsion template phase consisting of cyclohexane, water, anionic surfactantant and cosurfactant, in the presence of anionic and cationic polyelectrolyte. It is shown that polyelectrolyte, can be incorporated into the individual inverse microemulsion droplets. The ...

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...

The paper is focused on the formation of calcium phosphate nanoparticles (CP) in polyelectrolyte-modified microemulsions, in a microemulsion template phase consisting of cyclohexane, water, anionic surfactantant and cosurfactant, in the presence of anionic and cationic polyelectrolyte. It is shown that polyelectrolyte, can be incorporated into the individual inverse microemulsion droplets. The ...

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...

2013
Showkat A. Bhawani Hassan M. Albishri Ziya Ahmad Khan Mohamad N. Mohamad Ibrahim A. Mohammad

This review incorporates a large number of chromatographic systems modified by the surfactants. A large number of solvent systems and stationary phases are summarized in this paper. Three different kinds of surfactants (anionic, cationic, and nonionic) are used as modifiers for stationary phases as well as solvent systems. Surfactants are used at all the three different concentration levels (be...

2014
Chika J. Mbah Charles O. Nnadi C. J. Mbah C. O. Nnadi

The objective of the present study was to examine the influence of cosolvent system and microemulsion formulation on in-vitro skin permeation of gabapentin, furthermore, to characterize the physicochemical properties of drug-loaded oil-in-water (o/w) and water-in-oil (w/o) cremophor 40-based microemulsions in comparison to the blank counterparts. The cosolvent system prepared by homogenous mixi...

Journal: :Chemical communications 2009
Katharina Welser M D Ayal Perera Jonathan W Aylott Weng C Chan

Clickable biocompatible nanoparticles were prepared in a one-pot process by microemulsion polymerization using acrylamide, N,N'-methylene bisacrylamide and either N-(11-azido-3,6,9-trioxaundecanyl)acrylamide or N-propargylacrylamide, which were then readily modified by CuAAC reaction to afford sensing nanomaterials.

2001
Ron S. Faibish Yoram Cohen

The effectiveness of poly(vinylpyrrolidone) (PVP)-modification of a zirconia-based ultrafiltration membrane was investigated for the treatment of oil-in-water (o/w) emulsions. Fouling, hydraulic permeability, flux decline, and solute rejection for modified and native membranes were evaluated using a diagnostic o/w emulsion as well as an emulsion prepared using a commercial cutting oil. The nati...

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