نتایج جستجو برای: critical micelle concentration
تعداد نتایج: 848551 فیلتر نتایج به سال:
We have demonstrated a novel drug delivery system to improve the selectivity of the current chemotherapy by pH-responsive, polymeric micelle carriers. The micelle carriers were prepared by the self-assembly of copolymers containing the polybasic poly(2-(diethylamino) ethyl methacrylate) (PDEAEMA) block. The mixed copolymers exhibited a comparatively low critical micelle concentration (CMC; 1.95...
The sialic acid-containing glycosphingolipids known as gangliosides can reverse the heat stabilization of DNA by histones. The ability of pure mono-and disialogangliosides to dissociate reconstituted nucleohistone is directly dependent on their sialic acid content; they are effective in concenitrations above their critical micelle concentration.
Journal of Physical Chemistry is published by the American Chemical Society. 1155 Sixteenth Street N.W., Washington, DC 20036 Effects of sodium dodecyl sulfate at concentrations near the critical micelle concentration on the first cyclic voltammetric wave of methylviologen Angel E. Kaifer, and Allen J. Bard J. Phys. Chem., 1987, 91 (7), 2006-2007 • DOI: 10.1021/j100291a066 Downloaded from http:...
Purpose: This paper focuses on the characterization of polymeric micelle-forming tuberculostatic prodrugs and the antimycobacterial activity of these prodrugs. Method: By the condensation of hydroxymethylpyrazinamide, isoniazid and rifampin with free carboxyl groups on the copolymer poly(ethyleneglycol)-poly(aspartic acid), micelle-forming carrier-drug conjugates were obtained. These micelles w...
Micellisation process for sodium dodecyl sulphate and sodium cholate in 1∶1 molar ratio was investigated in a combined approach, including several experimental methods and coarse grained molecular dynamics simulation. The critical micelle concentration (cmc) of mixed micelle was determined by spectrofluorimetric and surface tension measurements in the temperature range of 0-50°C and the values ...
The fatty acid-binding protein from rat intestine (I-FABP) has been covalently modified with the fluorescent compound Acrylodan. Acrylodan was found to label Lys27, one of the few amino acid residues found by x-ray diffraction studies to change orientation upon fatty acid (FA) binding to I-FABP. Binding of FA to this Acrylodan-modified I-FABP (ADIFAB) induces a large shift in fluorescence emiss...
The micellar properties of mixed, bovine gangliosides and purified galactosyl-N-acetylgalactosaminyl(Nacetylneuramin yl)galactosylglucosylceramide were studied by gel filtration, equilibrium dialysis, and band and boundary centrifugation in sucrose gradients. The dissociation of micelles is very slow (days) in water and required us to approach equilibrium by association of monomers rather than ...
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