Solvation behavior of short-chain polystyrene sulfonate in aqueous electrolyte solution: A molecular dynamics study

Article Abstract:

The solvation behavior of short-chain polystyrene sulfonate (PSS) in aqueous electrolyte solutions by isothermal-isochoric molecular dynamics simulation to determine the solvation effects on the structure and conformation of the polyelectrolyte as a function of the aqueous environment is analyzed. An evidence for the like-charge attraction between sulfonate groups through the formation of counteriomediate interchain sulfonate-sulfonate and water-mediate intrachain sulfonate-sulfonate bridges, between counterion-counterion interactions are presented.

Molecular dynamics, Solvation

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Vibrational spectroscopic studies on fibrinogen adsorption at polystyrene/protein solution interfaces: Hydrophobic side chain and secondary structure changes

Article Abstract:

The structural changes of fibrinogen after adsorption to polystyrene (PS) is investigated at the PS/protein solution interface in situ using sum frequency generation (SFG) vibrational spectroscopy and attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR). The research has indicated that the interactions between adsorbed fibrinogen and the PS surface can induce significant changes of protein secondary structures or global conformations.

Adsorption, Fibrinogen, Vibrational spectra

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Phase behavior of polystyrene-brush-coated nanoparticles in cyclohexane

Article Abstract:

The phase behavior of polystyrene-coated iron oxide nanoparticles in cyclohexane is investigated for its dependence on temperature, particle size and polymer concentration. An increase in particle concentration at (theta)-conditions, volume transition is found to interfere with phase separation, while the behavior of phase separation is observed to depend on the concentration and size of particle.

Cyclic crudes and intermediates, Cyclic Crude and Intermediate Manufacturing, Cyclohexane, Thermal properties, Nanoparticles

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