نتایج جستجو برای: ion association
تعداد نتایج: 706362 فیلتر نتایج به سال:
Objective: Diabetes is the most common metabolic disease. One of the most common problems in diabetic patients is atherosclerotic cardiovascular disease which induced by hyperlipidemia. Also there has been currently great interest in the potential contribution of oxidative stress in development of diabetes complications. The present study was performed to associate between lipid oxidizability a...
Using molecular dynamics simulations in an explicit aqueous solvent, we examine the binding of fluoride versus iodide to a spherical macromolecule with both hydrophobic and positively charged patches. Rationalizing our observations, we divide the ion association interaction into two mechanisms: (1) poorly solvated iodide ions are attracted to hydrophobic surface patches, while (2) the strongly ...
The various association constants, bnm and Knm, of NaCl and NaClO4 with [12]crown-4, [15]crown-5, [18]crown-6, benzo[15]crown-5, benzo[12]crown-4, dibenzo[18]crown-6 and dinaphtho[18]crown-6 have been estimated in a mixture of dioxane/water (80/20) using a sodium ion selective electrode (ISE). The constants have been estimated using 1=ðKnm1⁄2Lo n1m21Þ5 ð1 2 nP 0Þn ð1 2 mP 0Þm=P 0; where P 0, th...
ion in the WAIS Similarities Test. Object Sorting Experiments I and II investigate the effect of association upon abstraction in the BRL Object Sorting Test. Object Sorting Experiment III investigates the effect of association upon the conceptual organization of recall in the BRL. The data for these experiments were gathered in the following order: (a) Similarities Experiment I and Object Sorti...
A series of new protic compounds based on active pharmaceutical ingredients have been synthesised and characterised. Some of the salts synthesised produced ionic liquids, while others that were associated with rigid molecular structures tended to produce high melting points. The "protonic" behaviour of these compounds was found to be a major determinant of their properties. Indicator studies, F...
The membrane model previously described [Hays, T.R., Buckwalter, C.Q., Lin S.H. & Eyring, H. (1978) Proc. Natl. Acad. Sci. USA 75, 1612-1615] for ion flow through a membrane is expanded to include the effect of binding of the mobile ion at the occupiable sites in the membrane. Two different effects were investigated: alteration of the association-dissociation rates at constant equilibrium const...
The increase in the standard partial molar volume of a symmetrical electrolyte on ion-pairing, A V, calculated from the experimental association constant at ambient pressure, the isothermal compressibility, the dielectric constant of the solvent and its pressure coefficient, is as good a measure of this quantity as values calculated from more elaborate experimental procedures, such as the press...
Lithium-ion batteries face low temperature performance issues, limiting the adoption of technologies ranging from electric vehicles to stationary grid storage. This problem is thought be exacerbated by slow transport within electrolyte, which in turn may influenced ion association, solvent viscosity, and cation transference number. How these factors collectively impact phenomena, however, remai...
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