نتایج جستجو برای: reverse micelle method
تعداد نتایج: 1727313 فیلتر نتایج به سال:
Micelle dispersions purification is made available via inline flow dialysis in which micelles are separated from the organic solvent used to dissolve block copolymers micelle formation step. Purification was performed using simple and cost-effective units employing cellulose membranes. The proposed setup allows us remove THF a dispersion within few hours almost entirely looped system, without s...
The behavior of pr imary, secondary, tert iary and quaternary dodecylammonium chloride and bromide in benzene and toluene was investigated by surface tension measurements , the dye-solubilizafion and iodine-complex formation method and vapor pressure osmometry a t 37 ° and 50°C. The smooth cont inui ty in the measured properties of these solutions as a function of concentration has been interpr...
The EO20PO70EO20 (molecular weight 5800) amphiphile as a template is to form dispersed micelle structures. Silver nanoparticles, as inorganic precursors synthesized by a laser ablation method in pure water, are able to produce the highly ordered vesicles detected by TEM micrography. The thickness of the outer layer of a micelle, formed by the silver nanoparticles interacting preferentially with...
A highly ordered mesoporous Nafion membrane with a remarkable water retention ability was synthesized via a micelle templating method with self-assembled Pluronic F108 surfactants and its capability to operate under completely dry gas streams is demonstrated.
In order to realize the anhydrous dyeing of linen fabric with reactive dyes in supercritical CO2, a CO2 ionic liquid reverse micelle system was constructed, and process this studied. system, can be dyed without special pretreatment. The results show that depth significantly improved by increasing amount surfactant. With increase temperature, first increases then decreases. pressure displays lit...
Butyl oleate synthesis by the lipase B from Candida antarctica (CalB) under extreme halophilic conditions was investigated in present research through AOT/Water/Isooctane reverse micellar system. The impact of aqueous content (Wo=H2OSurfactant) and NaCl variation on enzymatic activity CalB butyl reaction micelles explored. results indicated that, based increase NaCl, it is remarkable to achieve...
Structure of diglycerol monolaurate (abbreviated as C(12)G(2)) micelles in nonpolar oils cyclohexane and n-octane as a function of compositions, temperatures, and surfactant chain length has been investigated by small-angle X-ray scattering (SAXS). The SAXS data were evaluated by the generalized indirect Fourier transformation (GIFT) method and real-space structural information of particles was...
BACKGROUND Multidrug resistance remains a major obstacle to successful cancer chemotherapy. Some chemical multidrug resistance inhibitors, such as ciclosporin and verapamil, have been reported to reverse resistance in tumor cells. However, the accompanying side effects have limited their clinical application. In this study, we have developed a novel drug delivery system, ie, a polyethyleneglyco...
Micelle-to-vesicle morphological transition has been achieved by light-induced rapid hydrophilic arm detachment from a star polymer. This provides a remote and clean method to control morphology transition of polymeric assemblies.
Reverse micelles present self-assembled multi-molecular entities formed within specific compositional ranges of water-in-oil microemulsions. The structure of a reverse micelle is typically represented as nano-sized droplet of a polar liquid phase, capped by a monolayer of surfactant molecules, and uniformly distributed within a non-polar, oil phase. Although their role in serving as primitive m...
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