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Projects / Programmes source: ARIS

Properties of associating electrolytes

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Research activity

Code Science Field Subfield
1.04.01  Natural sciences and mathematics  Chemistry  Phyisical chemistry 

Code Science Field
P400  Natural sciences and mathematics  Physical chemistry 
Keywords
Theory, Asymmetric electrolytes, Directional forces, Self-association, Mixtures with a neutral component, Monte Carlo simulation, Adsorption, Micro-porous materials, Ionic systems
Evaluation (rules)
source: COBISS
Evaluation of bibliographic research performance indicators according to ARIS methodology
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (4)
no. Code Name and surname Research area Role Period No. of publications
1.  14868  PhD Barbara Hribar Lee  Chemistry  Researcher  2000 - 2001  237 
2.  06776  PhD Andrej Jamnik  Chemistry  Researcher  1998 - 2001  211 
3.  10983  PhD Jurij Reščič  Chemistry  Researcher  1998 - 2001  149 
4.  02563  PhD Vojeslav Vlachy  Chemistry  Head  1998 - 2001  369 
Organisations (1)
no. Code Research organisation City Registration number No. of publications
1.  0103  University of Ljubljana, Faculty of Chemistry and Chemical Technology  Ljubljana  1626990  23,083 
Abstract
The results published in 1998 can be divided in three sub-topics. A) In (1,2) we study a model of polyelectrolyte solution with directional attractive forces between the macroions to mimic self-association processes in aqueous solutions of globular proteins. In (2) a simplified one-component theory is proposed. The new method (2) is used to analyze the reported data for the osmotic pressure of three different proteins. B) In (3), the equilibrium properties of charge and size asymmetric mixture of macroions, counterions and neutral particles are characterized through Monte Carlo simulations. The simulations are supplemented by MPB, SPB and HNC approaches. It is confirmed that a sufficient increase in the neutral species concentration leads to a change in the interaction between two macroions from repulsive to attractive. C) Papers (4,5) consider changes in the properties of fluids adsorbed in a porous material frozen in a disordered configuration. In (4) the replica Ornstein-Zernike equations supplemented by the HNC and MSA closures were solved for an ionic fluid in a disordered matrix with ionic obstacles. Both matrix and fluid were modeled as primitive model electrolytes. Comparison with the Monte Carlo simulations indicates that the theory yields qualitatively correct results for the model system. In (5), the same theory is used to study the liquid-vapor coexistence in the screened Coulomb binary mixture adsorbed in a disordered porous medium. 1)Yu.V. Kalyuzhnyi and V. Vlachy, J. Chem. Phys., 108, 7870-7875 (1998). 2)Yu.V. Kalyuzhnyi, J. Rešcic, and V. Vlachy, Acta Chim. Slov., 45, 199-208 (1998). 3)J. Rešcic, V. Vlachy, L.B. Bhuiyan, and C.W. Outhwaite, Mol. Phys., 95, 233-242 (1998). 4)B. Hribar, O. Pizio, A. Trokhymchuk, and V. Vlachy, J. Chem. Phys., 109, 2480-2489 (1998). 5)A. Trokhymchuk, G.A. Orozco, O. Pizio and V. Vlachy, J. Colloid & Interface Sci., 207, 379-385 (1998).
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