Quantitative description of surface adsorption of surfactant in aqueous solution without the Gibbs equation

This study shows that small hydrate models including the roles of both neutral and deprotonated speciated forms provide a good quantitative description and a microscopic interpretation of the experimental spectrum of pyruvic acid in aqueous solution.

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Study on surface adsorption from cationic surfactant–electrolyte mixed aqueous solution including BF 4 − ion

Colloid & Polymer Science ◽

10.1007/s00396-010-2221-y ◽

2010 ◽

Vol 288 (9) ◽

pp. 1005-1011 ◽

Cited By ~ 5

Author(s):

Yosuke Imai ◽

Kei Shimamoto ◽

Takanori Takiue ◽

Hiroki Matsubara ◽

Makoto Aratono

Keyword(s):

Aqueous Solution ◽

Cationic Surfactant ◽

Surface Adsorption ◽

Mixed Aqueous Solution

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Physicochemical analysis of phosphatidylcholine-ceramide system in bilayer lipid membranes.

Acta Biochimica Polonica ◽

10.18388/abp.2008_3033 ◽

2008 ◽

Vol 55 (4) ◽

pp. 721-730 ◽

Cited By ~ 3

Author(s):

Monika Naumowicz ◽

Aneta Dorota Petelska ◽

Zbigniew Artur Figaszewski

Keyword(s):

Lipid Membranes ◽

Electrochemical Impedance ◽

Quantitative Description ◽

Physicochemical Analysis ◽

Molecular Area ◽

Two Component System ◽

Amphiphilic Molecules ◽

Two Component ◽

Complex Capacitance ◽

Mathematical Equations

Electrochemical impedance spectroscopy was used for the study of two-component lipid membranes. Phosphatidylcholine and ceramide were to be investigated, since they play an important biochemical role in cell membranes. The research on biolipid interaction was focused on quantitative description of processes that take part in a bilayer. Assumed models of interaction between amphiphilic molecules and the equilibria that take place there were described by mathematical equations for the studied system. The possibility of complex formation for two-component system forming bilayers was assumed that could explain the deviation from additivity rule. Equilibria were described by mathematical equations that were further verified experimentally. The determined values of parameters (stability constant, molecular area of complex, capacitance and conductance of the lipid membranes formed from molecules and complexes) were used for calculation of model curves. The comparison of model curves and experimental points verified the assumed model.

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A Bioelectrochemical Method for the Quantitative Description of the Hofmeister Effect of Ionic Liquids in Aqueous Solution

The Journal of Physical Chemistry B ◽

10.1021/jp3054263 ◽

2012 ◽

Vol 116 (36) ◽

pp. 11075-11080 ◽

Cited By ~ 13

Author(s):

Lu Lu ◽

Yan Hu ◽

Xirong Huang ◽

Yinbo Qu

Keyword(s):

Aqueous Solution ◽

Ionic Liquids ◽

Quantitative Description ◽

Hofmeister Effect

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Surface adsorption and micelle formation of imidazolium-based zwitterionic surface active ionic liquids in aqueous solution

Journal of Colloid and Interface Science ◽

10.1016/j.jcis.2012.09.073 ◽

2013 ◽

Vol 391 ◽

pp. 103-110 ◽

Cited By ~ 52

Author(s):

Xiaoqing Wang ◽

Jie Liu ◽

Li Yu ◽

Jingjing Jiao ◽

Rui Wang ◽

...

Keyword(s):

Aqueous Solution ◽

Ionic Liquids ◽

Surface Adsorption ◽

Micelle Formation ◽

Surface Active

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Towards a semi-quantitative description of a bimolecular association involving weak interactions in aqueous solution

Philosophical Transactions of the Royal Society of London Series A Physical and Engineering Sciences ◽

10.1098/rsta.1993.0113 ◽

1993 ◽

Vol 345 (1674) ◽

pp. 11-21 ◽

Cited By ~ 12

Keyword(s):

Aqueous Solution ◽

Free Energy ◽

Hydrophobic Interactions ◽

Weak Interactions ◽

Quantitative Description ◽

Using Data ◽

Binding Enthalpy ◽

Vancomycin Group ◽

The Cost ◽

Free Energy Of Binding

We present a description of a bimolecular association in aqueous solution by dividing the free energy of binding into a number of terms representing ‘costs’ and ‘benefits'. Using data on the binding of cell-wall peptide analogues to vancomycin-group antibiotics, we have established an experimental basis for the adverse free energy of restricting internal rotations, the benefit in free energy from hydrophobic interactions and polar functional group interactions (amide-amide hydrogen bonds). Collating data from the literature on weak associations in non-polar solvents, a relation between the electrostatics of binding (enthalpy) and the dynamics (entropy) is presented. This provides an approximate, but useful, relation between the magnitude of the enthalpic barrier to dissociation for complexes in aqueous solution, and the cost in translational and rotational free energy of the reverse bimolecular association.

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