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.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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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.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
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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.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2008
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