Articles with "acidic basic" as a keyword



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Critical comparison of shake‐flask, potentiometric and chromatographic methods for lipophilicity evaluation (log Po/w) of neutral, acidic, basic, amphoteric, and zwitterionic drugs

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Published in 2018 at "European Journal of Pharmaceutical Sciences"

DOI: 10.1016/j.ejps.2018.07.010

Abstract: &NA; In the present study three different procedures have been compared for the determination of the lipophilicity of the unionized species (log Po/w) of neutral, acidic, basic, amphoteric, and zwitterionic drugs. Shake‐flask, potentiometric and chromatographic… read more here.

Keywords: amphoteric zwitterionic; acidic basic; basic amphoteric; log neutral ... See more keywords
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Methanation of CO2 over nickel catalysts: Impacts of acidic/basic sites on formation of the reaction intermediates

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Published in 2020 at "Fuel"

DOI: 10.1016/j.fuel.2019.116521

Abstract: Abstract Methanation of carbon oxides is an important route to produce synthetic gas for civil use. Understanding acidic/basic properties of catalyst on the reaction intermediates in methanation provides important information for developing highly active catalysts.… read more here.

Keywords: reaction intermediates; basic sites; acidic basic; co2 ... See more keywords
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Contributions of acidic-basic sites on hybridized FER@g-C3N4 for liquid-phase decarboxylation of naphthenic acids

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Published in 2021 at "Fuel"

DOI: 10.1016/j.fuel.2021.120679

Abstract: Abstract The efficient removal method of acidic and corrosive organic naphthenic acids (NAs) in heavy crude oils such as benzoic acid as a model acidic component was investigated for a liquid-phase decarboxylation reaction. A novel… read more here.

Keywords: c3n4; decarboxylation; acidic basic; naphthenic acids ... See more keywords
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Self-doped Ti3+ mediated TiO2/In2O3/SWCNTs heterojunction composite under acidic/basic heat medium for boosting visible light induced H2 evolution

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Published in 2019 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2019.04.020

Abstract: Abstract Well-designed Ti3+/In3+ mediated TiO2/SWCNTs heterojunction composite for photocatalytic H2 evolution under visible light has been investigated. The samples, fabricated through one-step sol-gel approach with controlled acidic/basic heat treatment environment, were characterized by XRD, Raman,… read more here.

Keywords: mediated tio2; acidic basic; visible light; swcnts heterojunction ... See more keywords
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Open and close-ended CoMoS3 nanotubes for hydrogen evolution in acidic and basic conditions

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Published in 2021 at "Journal of Energy Chemistry"

DOI: 10.1016/j.jechem.2020.08.068

Abstract: Abstract Electrochemical hydrogen evolution reaction (HER) is a promising route to harvest high-purity hydrogen (H2). Efficient and selective energy transformations rely on the development of novel catalytic materials in terms of compositions and structures that… read more here.

Keywords: close ended; comos3; hydrogen evolution; acidic basic ... See more keywords
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Acidic-basic properties of arginine-rich peptide fragments derived from the human Pin1 protein

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Published in 2020 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2020.113379

Abstract: Abstract The effects of arginine residues in peptide sequences on their specific acid-base properties were investigated. Two short original fragments of the human Pin1 WW domain (hPin1 14–24; hPin1 15–23) and one single point mutation… read more here.

Keywords: arginine rich; properties arginine; acidic basic; human pin1 ... See more keywords
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Economic Separations of Organic Acidic or Basic Enantiomeric Mixtures—A Protocol Suggestion

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Published in 2023 at "International Journal of Molecular Sciences"

DOI: 10.3390/ijms24010846

Abstract: In this review, we aim to present new concepts for the revisited separation of enantiomers from racemic compounds and a protocol worth to be followed in designing the preparation of pure enantiomers. We have taken… read more here.

Keywords: basic enantiomeric; economic separations; organic acidic; separations organic ... See more keywords
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Amphipolar, Amphiphilic 2,4-diarylpyrano[2,3-b]indoles as Turn-ON Luminophores in Acidic and Basic Media

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27072354

Abstract: A versatile amphiphilic pyrano[2,3-b]indole for halochromic turn-ON luminescence in acidic or basic media is accessed by an insertion-coupling-cycloisomerization and adjusting solubilizing and phenolic functionalities. While almost non-emissive in neutral solutions, treatment with acids or bases… read more here.

Keywords: amphiphilic diarylpyrano; diarylpyrano indoles; indoles turn; amphipolar amphiphilic ... See more keywords
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Prediction of pH Value of Aqueous Acidic and Basic Deep Eutectic Solvent Using COSMO-RS σ Profiles’ Molecular Descriptors

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27144489

Abstract: The aim of this work was to develop a simple and easy-to-apply model to predict the pH values of deep eutectic solvents (DESs) over a wide range of pH values that can be used in… read more here.

Keywords: aqueous acidic; deep eutectic; value aqueous; prediction value ... See more keywords
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Design of Amine-Modified Zr–Mg Mixed Oxide Aerogel Nanoarchitectonics with Dual Lewis Acidic and Basic Sites for CO2/Propylene Oxide Cycloaddition Reactions

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Published in 2022 at "Nanomaterials"

DOI: 10.3390/nano12193442

Abstract: The utilization of CO2 attracts much research attention because of global warming. The CO2/epoxide cycloaddition reaction is one technique of CO2 utilization. However, homogeneous catalysts with both Lewis acidic and basic and toxic solvents, such… read more here.

Keywords: lewis acidic; mixed oxide; cycloaddition reactions; basic sites ... See more keywords