نتایج جستجو برای: reverse micelle structural properties

تعداد نتایج: 1305813  

2017
Zanshe Thompson Shekh Rahman Sergey Yarmolenko Jagannathan Sankar Dhananjay Kumar Narayan Bhattarai

Composite nanofibers of biopolymers and inorganic materials have been widely explored as tissue engineering scaffolds because of their superior structural, mechanical and biological properties. In this study, magnesium ferrite (Mg-ferrite) based composite nanofibers were synthesized using an electrospinning technique. Mg-ferrite nanoparticles were first synthesized using the reverse micelle met...

2013
Ryan C. Oliver Jan Lipfert Daniel A. Fox Ryan H. Lo Sebastian Doniach Linda Columbus

Micelle-forming detergents provide an amphipathic environment that can mimic lipid bilayers and are important tools for solubilizing membrane proteins for functional and structural investigations in vitro. However, the formation of a soluble protein-detergent complex (PDC) currently relies on empirical screening of detergents, and a stable and functional PDC is often not obtained. To provide a ...

2003
Jing Chen Jianling Zhang Dongxia Liu Zhimin Liu Buxing Han Guanying Yang

The effect of compressed CO2 on the properties of protein (trypsin) in the reverse micelles of sodium bis(2-ethylhexyl)sulfosuccinate AOT/decane/water has been studied. UV-vis spectrum was used to determine the precipitation of trypsin in the reverse micelles, which reveals that trypsin can be precipitated from the reverse micelles by compressed CO2 at suitable pressures, while the surfactant A...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2011
Danielle D van't Zand Andrew B Schofield Job H J Thijssen Paul S Clegg

The addition of sterically stabilized colloidal particles to a phase-separating microemulsion leads to dramatic changes in its demixing behavior, especially during the later stages. Our microemulsion is composed of reverse micelles of sodium dodecyl sulfate, pentanol, and water in a dodecane continuous phase which separates into micelle-rich and micelle-poor phases above a lower critical soluti...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2006
John W Doolittle Prabir K Dutta

The water core of reverse micelles has been extensively used as the site for synthesis of a variety of materials. However, water-in-oil reverse micelles have a limited range of temperatures over which they are stable as a single phase. Directing heat to the water cores, the usual site of synthesis without heating the bulk provides added opportunities for synthesis. Microwave radiation is a meth...

1997
Limin Qi Jiming Ma Humin Cheng Zhenguo Zhao

A reverse micelle based approach is reported for the synthesis of BaCO3 nanowires with lengths up to 100 μm and diameters as small as 10-30 nm, each of which is a continuous single crystal with the c-axis along the wire length axis. The synthesis is achieved by the reaction of barium and carbonate ions solubilized in the polar cores of nonionic reverse micelles of C12E4 (tetraethylene glycol mo...

2002
Susana L.A. Andrade José J.G. Moura

The enzyme hydrogenase isolated from the sulphate reducing anaerobic bacterium Desulfovibrio gigas was encapsulated in reverse micelles of AOT–water–isooctane. The enzyme ability to consume molecular hydrogen was studied as a function of the micelle size (given by Wo = [H2O]/[organic solvent]). A peak of catalytic activity was obtained for Wo = 18, a micelle size theoretically fitting the heter...

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