Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/0003-9969(68)90171-4 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Guidelines for descriptor assignments for the solvation parameter model by separation techniques.
J Chromatogr A
August 2024
Department of Chemistry, Wayne State University, Detroit, MI 48202, USA. Electronic address:
The solvation parameter model uses six compound descriptors to model equilibrium properties in biphasic systems formally defined as excess molar refraction, E, dipolarity/polarizability, S, overall hydrogen-bond acidity, A, overall hydrogen-bond basicity, B, McGowan's characteristic volume, V, and the gas-liquid partition constant on hexadecane at 25 °C, L. The V descriptor can be assigned from structure and the E descriptor for compounds liquid at 20 °C can be calculated from its refractive index and characteristic volume. The E descriptor for compounds solid at 20 °C and the S, A, B, and L descriptors are assigned from experimental properties traditionally obtained by chromatographic, liquid-liquid partition, and solubility measurements.
View Article and Find Full Text PDFProduction and transport of plasma-generated hydrogen peroxide from gas to liquid.
Phys Chem Chem Phys
March 2024
Plasma Interface Physics, Ruhr University Bochum, Bochum, Germany.
In this work, the transport of hydroxyl radicals and hydrogen peroxide from a humid atmospheric pressure plasma jet into plasma-treated liquids is analysed. The concentration of HO was measured by a spectrophotometric approach using the reagent ammonium metavanadate. OH was measured by the terephthalic acid dosimeter and the chemiluminescence of luminol.
View Article and Find Full Text PDFThe Nanoscale Wetting Parameter and Its Role in Interfacial Phenomena: Phase Transitions in Nanopores.
Langmuir
December 2023
Department of Chemical & Biomolecular Engineering, North Carolina State University, 911 Partners' Way, Raleigh, North Carolina 27695-7905, United States.
Through analysis of the statistical mechanical equations for a thin adsorbed film (gas, liquid, or solid) on a solid substrate or confined within a pore, it is possible to express the equilibrium thermodynamic properties of the film as a function of just two dimensionless parameters: a nanoscale wetting parameter, α, and pore width, . The wetting parameter, α, is defined in terms of molecular parameters for the adsorbed film and substrate and so is applicable at the nanoscale and for films of any phase. The main assumptions in the treatment are that (a) the substrate structure is not significantly affected by the adsorbed layer and (b) the diameter of the adsorbate molecules is not very small compared to the spacing of atoms in the solid substrate.
View Article and Find Full Text PDFSensitive quantitation of ultra-trace toxic aconitines in complex matrices by perfusion nano-electrospray ionization mass spectrometry combined with gas-liquid microextraction.
Talanta
March 2024
State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China. Electronic address:
The accurate analysis of ultra-trace (e.g. <10 ng/mL) substances in complex matrices is a burdensome but vital problem in pharmaceutical analysis, with important implications for precise quality control of drugs, discovery of innovative medicines and elucidation of pharmacological mechanisms.
View Article and Find Full Text PDFEvaluating the forces involved in bubble management in DMEK surgery: mathematical and computational model with clinical implications.
J Cataract Refract Surg
January 2024
From the Tennent Institute of Ophthalmology, Gartnavel General Hospital, Glasgow, United Kingdom (Lockington, Brown); James Watt School of Engineering, University of Glasgow, Glasgow, United Kingdom (Pearce, Kaczmarczyk).
Purpose: To model postoperative forces involved in Descemet membrane endothelial keratoplasty (DMEK) tissue adherence and bubble management, including the impact of surface tension on graft support, with a view towards clinical applications.
Setting: Tennent Institute of Ophthalmology, Glasgow, and James Watt School of Engineering, University of Glasgow, Glasgow, United Kingdom.
Design: Mathematical modelling and computer simulation.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!