Studies on the conformation of a polyelectrolyte in solution: Local conformation of cucumber green mottle mosaic virus RNA compared with tobacco mosaic virus RNA

Article Abstract:

Circular dichroism (CD) and small-angle X-ray scattering (SAXS) are used for studying the thermal stability of the local structures of cucumber mottle virus RNA, (CGMMV-RNA) and tobacco mosaic virus RNA (TMV-RNA). The results have suggested that the structural stability of CGMMV-RNA and TMV-RNA might be correlated with the infectivity of the corresponding virus, CGMMV and TMV, respectively.

RNA, Structure, Circular dichroism

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Geometrical characteristics of polyelectrolyte nanogel particles and their polyelectrolyte complexes studied by dynamic and static light scattering

Article Abstract:

The geometric characteristics of nanogel particles in aqueous solutions are studied by determining their ratios of radius of gyration to hydrodynamic radius, which are derived from static light scattering and dynamic light scattering experiments. The results have shown that the complexed nanogel particles are spherical in shape and that there are no dangling surface chains.

Usage, Light scattering, Hydrodynamics, Aqueous solution reactions, Hydrofoil boats

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Structural analysis of polyelectrolyte film absorbing metal ion by SAXS utilizing with X-ray anomalous dispersion field

Article Abstract:

A distribution of Cu ions in polyelectrolyte film (Nafion) is observed with a small-angle X-ray scattering (SAXS) method by using an X-ray anomalous dispersion effect. The results have shown that the Cu ions are located in the domain where the hydrophilic bases have aggregated.

Electric properties, Copper compounds

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