Cationic bilayers on polymeric particles: Effect of low NaCl concentration on surface coverage
Article Abstract:
The interaction between dioctadecyldimethylammonium bromide (DODAB), chloride (DODAC), or acetate (DODAAc) cationic bilayer fragments (BF) and polystyrene sulfate (PSS) particles is examined, by means of zeta-potential, and particle diameter analysis, at and above equivalence of total surface areas for bilayers and particles (A(sub b)/A(sub p)) over a range of low NaCl and lipid concentrations.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2004
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Adsorption of cationic lipid bilayer onto flat silicon wafers: Effect of ion nature and concentration
Article Abstract:
In situ ellipsometry is used to investigate the effect of monovalent salt nature and concentration over a range of low ionic strengths and at two different pH values on adsorption of dioctadecyldimethylammonium bromide (DODAB) bilayer fragments (BF) onto flat Si[O.sub.2] surfaces. The results have shown that ionic strength is a key factor in obtaining DODAB BF adsorption on the silicon wafer.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
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Relationship between supersaturation ratio and supply rate of solute in the growth process of monodisperse colloidal particles and application to AgBr system
Article Abstract:
The supersaturational ratio, S, was theoretically related to the supply rate of solute, Q, from growth rate and mass-balance equations in the quasi-steady state in the growth process of isotropic monodisperse particles. The results revealed that the supersaturation ratio was found out to be 1.28 as an average.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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