Surface quasielastic light scattering from spread films of cyclic poly(ethylene oxide)

Article Abstract:

A study was conducted to analyze the dynamic surface characteristics of spread films of cyclic poly(ethylene oxide) at different surface concentrations of polymer. The surface quasi-elastic light scattering method was utilized to carry out the analysis. The scattering angle was adjusted by different beam alignments. Experimental results indicated that increases in the surface concentration of polymer resulted into complex differences in the capillary wave frequency and damping.

Polymers, Surface chemistry, Cyclic compounds, Ethylene oxide, Semiconductor films

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Structure of sodium glycodeoxycholate micellar aggregates from small-angle X-ray scattering and light-scattering techniques

Article Abstract:

Small-angle X-ray scattering (SAXS) and dynamic light scattering (DLS) measurements are accomplished on sodium glycodeoxycholate (NaGDC) aqueous electrolyte solutions as a function of NaGDC and NaCl concentrations with the aim to determine with satisfactory approximation the NaGDC micellar aggregate structure at a gross molecular level, assuming monodispersity. Different conditions of interparticle interactions by varying ionic strength and NaGDC concentration are studied.

Science & research, Electric properties, Structure, Sodium chloride

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Investigation of the interaction between simple micelles and mixed micelles in taurocholate-lecithin solutions by laser light scattering

Article Abstract:

Research was conducted to examine simple micelles and mixed micelles thermodynamically coexisting in several taurocholate (TC)-lecithin (L) solutions using a laser light-scattering method. The scattered intensity was calculated and a physical model was modified. The modified physical equation successfully modeled the scattered intensity against various concentrations of simple TC micelles and mixed TC-L micelles.

Micelles, Lecithin, Solution (Chemistry), Solutions (Chemistry)

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