Articles with "methanol water" as a keyword



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Dynamic behavior and selective adsorption of a methanol/water mixture inside a cyclic peptide nanotube

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Published in 2018 at "Journal of Molecular Modeling"

DOI: 10.1007/s00894-018-3712-x

Abstract: AbstractPresent molecular dynamics simulations indicate that the methanol component in a methanol/water mixture is more likely to be trapped in a cyclic peptide nanotube (CPNT), while water molecules tend to be present at the channel… read more here.

Keywords: methanol water; methanol; water; cyclic peptide ... See more keywords
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Solubility and Preferential Solvation of Caffeine and Theophylline in {Methanol + Water} Mixtures at 298.15 K

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Published in 2017 at "Journal of Solution Chemistry"

DOI: 10.1007/s10953-017-0666-z

Abstract: Solubility is a very important property of drugs involved in purification processes and the different pharmaceutical dosage form design stages. Otherwise, caffeine and theophylline are alkaloid drugs widely used in several solid and liquid pharmaceutical… read more here.

Keywords: caffeine theophylline; methanol water; water; preferential solvation ... See more keywords
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Oscillatory circulation inside evaporating methanol–water drops

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Published in 2018 at "International Journal of Multiphase Flow"

DOI: 10.1016/j.ijmultiphaseflow.2018.02.006

Abstract: Abstract The circulation inside various evaporating methanol – water drops in an inert and quiescent environment, is studied. The circulation is visualized using laser. An oscillatory internal circulation resulting from the opposing effects of thermal… read more here.

Keywords: methanol water; convection; water drops; marangoni ... See more keywords
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Solution thermodynamics of trans‑Cinnamic acid in (methanol + water) and (ethanol + water) mixtures at different temperatures

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Published in 2019 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2018.09.131

Abstract: Abstract The gravimetric method was utilized here for obtaining the solubility of trans‑Cinnamic (t‑CA) under atmospheric pressure (p = 101.1 kPa) in water, methanol, ethanol and aqueous binary mixed solvents from T = (288.15 15 to 328.15) K. The solubility… read more here.

Keywords: water; methanol water; ethanol water; trans cinnamic ... See more keywords
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Testing of the effect of parameters on the cononsolvency of random copolymer gels of N-isopropylacrylamide and N-ethylacrylamide in methanol-water mixed solvents by simple gravimetric method

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Published in 2017 at "Polymer Testing"

DOI: 10.1016/j.polymertesting.2017.06.028

Abstract: Abstract Random copolymer gels of N -isopropylacrylamide (NIPAM) and N -ethylacrylamide (NEAM) were synthesized in using different monomer compositions in 1:1 methanol-water mixtures and in pure water. The samples were characterized by cononsolvency study in… read more here.

Keywords: methanol water; water; random copolymer; copolymer gels ... See more keywords
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Isolation and purification of biosurfactant mannosylerythritol lipids from fermentation broth with methanol/water/n-hexane

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Published in 2019 at "Separation and Purification Technology"

DOI: 10.1016/j.seppur.2019.03.009

Abstract: Abstract High-performance separation and purification present essential obstacles for the application of biosurfactant mannosylerythritol lipids (MEL) in many fields. In this study, we developed an extraction process, which efficiently isolates MEL from fermentation broth with… read more here.

Keywords: hexane; purification; biosurfactant mannosylerythritol; water ... See more keywords
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Characterization of Monophasic Solvent-Based Tissue Extractions for the Detection of Polar Metabolites and Lipids Applying Ultrahigh-Performance Liquid Chromatography-Mass Spectrometry Clinical Metabolic Phenotyping Assays.

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Published in 2020 at "Journal of proteome research"

DOI: 10.1021/acs.jproteome.0c00660

Abstract: Metabolic phenotyping of tissues uses metabolomics and lipidomics to measure the relative polar and nonpolar (lipid) metabolite levels in biological samples. This approach aims to understand disease biochemistry and identify biochemical markers of disease. Sample… read more here.

Keywords: chromatography; methanol water; detection; water ... See more keywords
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Random copolymer gels of N-isopropylacrylamide and N-ethylacrylamide: effect of synthesis solvent compositions on their properties

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Published in 2017 at "RSC Advances"

DOI: 10.1039/c6ra27348c

Abstract: Random copolymer gels of N-isopropylacrylamide (NIPAM) and N-ethylacrylamide (NEAM) were synthesized using a 1:1 monomer molar ratio in different methanol–water (xm = 0, 0.06, 0.13, 0.21, 0.31 0.43, 0.57, 0.76, where xm = mole fraction… read more here.

Keywords: methanol water; microscopy; random copolymer; copolymer gels ... See more keywords
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Investigations into the Evaporation Efficiency and Hydrogen Production Rate of Methanol-Water Fuels in a Steam Reformer Tube

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Published in 2019 at "Combustion Science and Technology"

DOI: 10.1080/00102202.2019.1613384

Abstract: ABSTRACT The present study considers a tubular reformer packed with CuO/ZnO/Al2O3 catalyst and heater tubes. Five different fuels are considered, namely four methanol-water fuels with molar ratios of 40%:60%, 50%:50%, 62%:38%, 75%:25%, and pure methanol… read more here.

Keywords: methanol water; rate; water fuels; hydrogen ... See more keywords
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Hydrogen bonding and clusters in supercritical methanol–water mixture by neutron diffraction with H/D substitution combined with empirical potential structure refinement modelling

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Published in 2019 at "Molecular Physics"

DOI: 10.1080/00268976.2019.1633481

Abstract: ABSTRACT Neutron diffraction measurements of H/D isotopic substitution have been performed for seven H/D substituted methanol-water mixtures of 0.3 mol fraction of methanol (xM) under the supercritical (618 K, 100 MPa) and ambient (298 K, 0.1 MPa) conditions. The seven… read more here.

Keywords: methanol water; water; structure; neutron diffraction ... See more keywords
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Determination and correlation of refractive index of three binary and ternary systems containing hydroxyl ionic liquids/ water/methanol

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Published in 2020 at "Materials Express"

DOI: 10.1166/mex.2020.1667

Abstract: In this paper, the refractive index of methanol + water, [HOEMIm]Cl + methanol, [HOEMMIm]Cl + methanol, [OHEN1,1,1]Cl + methanol, [HOEMIm]Cl + water, [OHEN1,1,1]Cl + water, [HOEMMIm]Cl + water, [OHEN1,1]Cl + water, [HOEMIm]Cl + methanol +… read more here.

Keywords: methanol water; hydroxyl ionic; water; methanol ... See more keywords