Sulfapyridine -Ethanol + water mixtures -Jouyban-Acree model -Preferential solvation
Preferential solvation of 4 hydroxy 2,5 dimethyl 3(2H) furanone (DMHF) in ethanol + water mixtures according to IKBI and QLQC methods
... co-solvent mixtures is very important for pharmaceutical and chemical scientists involved in several development stages such as substances purification and design of liquid medici- nes (Jouyban, ...1999; ...
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Further Numerical Analyses on the Solubility of Sulfapyridine in Ethanol + Water Mixtures
... and water around SP were derived on the basis of the IKBI method applied to the equilibrium solubility of this drug in EtOH + water and at several ...by water in water-rich mixtures and ...
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Preferential solvation of indomethacin in 1,4 dioxane + water mixtures according to the inverse Kirkwood–Buff integrals method
... cosolvent mixtures, some cosolvency models, such as extended Hildebrand solubility approach, Yalkowsky– Roseman and Jouyban–Acree models, have been challenged for correlating or predicting the ...
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Solubility and preferential solvation of some n alkyl parabens in methanol + water mixtures at 298 15 K
... + water (2)} mixtures at ...the Jouyban-Acree ...and water (2) around these compounds were derived on the basis of the IKBI method applied to the solubility values ...by water in ...
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Solution thermodynamics and preferential solvation of sulfamethazine in (methanol + water) mixtures
... and water in the mixtures free of drug. Although the orig- inal model was presented based on volume fractions of the solvent mixtures, it is possible to employ the model concerning the ...
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Preferential solvation of tricin in {ethanol (1) + water (2)} mixtures at several temperatures
... Tricin (5,7-dihydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)chromen-4-one) (Figure 1) is a flavone often found in the outer layer of cereal crops, has also been associated with reduction in cancer. In a mouse model of ...
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Vista de Solvatación preferencial de algunas sulfonamidas en mezclas cosolventes 1,4-dioxano + agua a 298,15 K según el método de las integrales inversas de Kirkwood-Buff | Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales
... the mixtures with composition varying from ...of water (hydrogen bonds) around the non-polar moieties of the drugs, which increases the solvation of these sulfonamides having maximum values in ...
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Thermodynamic Study of the Solubility of Naproxen in Some 2 Propanol + Water Mixtures
... of mixtures with ...implying water-structure loose- ning, whereas in the latter case the driving mechanism is the enthalpy, probably due to better solvation of the drug by 2-propanol ...
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Raman Spectroscopic Analysis of CO2-Water Mixtures Containing Kinetic Hydrate Inhibitors
... 21 To sum up, figure 3.5 shows the hydrate labile cluster formation mechanism imposed on a pressure-temperature trace. From point 1, gas dissolves in water, consequently, the pressure is reducing linearly with ...
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Hydrogen Bond Cooperativity in Formamide2–Water: A Model for Water Mediated Interactions
... We recorded the microwave spectrum of formamide-water complexes using the experimental setup described later. Once dropped all known frequencies, [25] several groups of unassigned lines appeared to show the ...
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Density and viscosity measurements of aqueous amines at high pressures: DEA water, DMAE water and TEA water mixtures
... Viscosities of aqueous DEA solutions are always higher than viscosities of aqueous TEA solutions at the same temperature, pressure and composition in all the studied ranges. On the other hand, viscosities of DMEA + ...
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TítuloEstudio mediante Química Computacional de una nanollave : reacciones de fotociclación/fotorreversión on/off
... In LR-PCM solvent degrees of freedom are always equilibrated with the ground- state density. Therefore, a single-point LR-PCM/ TD-DFT calculation for absorption and emission energies are performed defaults to ...
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Generation of random electricity transmission networks
... Figure 3-11 shows different networks for the same node definition (same node capacities and locations). The higher the weighting factor, the lower the node’s degree. These results are quite similar to the previous ones. ...
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REVISTA Éxito de los ensayos acelerados a escala natural en Costa Rica -PEQ.pdf (389.1Kb)
... model was developed to predict the dynamic models for ten Costa Rican asphalt mixtures. 460[r] ...
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Oxygen management during alcoholic fermentation
... balance model of the kinetics of oxygen dissolution and biological uptake during wine fermentation on a laboratory ...scale. Model calibration was carried out employing a novel dynamic desorption–absorption ...
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Exploration of liquid chromatographic diode array data for Argentinean wines by extended multivariate curve resolution
... Liquid chromatography; Multivariate curve resolution; Principal component analysis; Direct injection; Wine data exploration.... Wine is a complex matrix composed of water, ethanol and a [r] ...
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NUTRIENTS/FOOD CHAIN MODEL FOR LAKE ZAPOTLAN (MEXICO)
... The concentrations of the inorganic nutrients in the lake were positively correlated with the lake temperature, lake inflow, pH, DO, TSOD, herbivorous and carnivorous zooplankton concentra- tion, nutrients flux and TOC ...
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Influence of external drivers on water use efficiency and sustainability in agricultural production
... particular water use regime in an area, in order to avoid making prescriptive recommendations on a weak basis that may lead to environmentally undesirable situations (Roth and Warner 2008; Boelens and Vos 2012; ...
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