Results 41 to 50 of about 5,458,130 (295)

Development and Validation of a Four-Tier Diagnostic Instrument for Chemical Kinetics (FTDICK)

Indonesian Journal of Chemistry, 2019
The present study outlines the development and validation of a four-tier diagnostic instrument to explore first year undergraduate students’ understanding of chemical kinetics (FTDICK).
Habiddin Habiddin, E. Page
semanticscholar   +1 more source

Photoinduced Oxidation of Lipid Membranes in the Presence of the Nonsteroidal Anti-Inflammatory Drug Ketoprofen

Membranes, 2022
The damage of cell membranes induced by photosensitive drugs has attracted the significant attention of researchers in various fields of medicine. Ketoprofen (KP) is known to be the most photosensitive among the nonsteroidal anti-inflammatory drugs.
Anna V. Mastova, Olga Yu. Selyutina, Veronika I. Evseenko, Nikolay E. Polyakov   +3 more
doaj   +1 more source

Flame Speciation and Laminar Burning Velocity of Tetralin Flames Under Atmospheric Pressure

Energies
We present a combined experimental and modeling study of premixed atmospheric-pressure tetralin flames. Chemical speciation in near-stoichiometric (φ = 0.8–1.0) tetralin/O2/Ar flames was characterized by probe-sampling molecular-beam mass spectrometry ...
Vladislav V. Matyushkov, Anatoly A. Chernov, Mikhail V. Novikov, Ksenia N. Osipova, Tatyana A. Bolshova, Artëm M. Dmitriev, Denis A. Knyazkov, Andrey G. Shmakov   +7 more
doaj   +1 more source

Some Remarks on the Boundary of Thermodynamic Stability

Entropy, 2023
In this paper, we have considered some elements of the classical phenomenological theory of thermodynamic stability, which seem controversial and ambiguous. The main focus is on the conditions of the stability boundary; a new version of the derivation of
Alexander Toikka, Georgii Misikov, Maria Toikka   +2 more
doaj   +1 more source

Calpain small subunit homodimerization is robust and calcium‐independent

FEBS Letters, EarlyView.
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy, Trina Dykstra‐MacPherson, Mathias A. Bell, Peter L. Davies, Ruby May A. Sullan   +4 more
wiley   +1 more source

Vapor-Liquid Equilibrium in the Acetic Acid-Ethanol-Ethyl Acetate-Water Quaternary System: Critical Literature Review and Thermodynamic Consistency of the Experimental Data

Chemistry, 2023
This study presents a critical review of the experimental vapor-liquid equilibrium (VLE) data for the quaternary acetic acid-ethanol-ethyl acetate-water system and its subsystems that are reported in the literature.
Georgii Misikov, Maya Trofimova, Igor Prikhodko   +2 more
doaj   +1 more source

Biophysical approaches for studying viral entry

FEBS Letters, EarlyView.
Viruses infect all living organisms and have been responsible for major epidemics and pandemics. Their ongoing evolutionary battle with host defenses creates a constant need for improved tools to study viral behavior. Advancing methods to probe viral attachment, fusion, and genome release deepen our understanding of how infections begin and support the
Inbar Yosibash, Raya Sorkin
wiley   +1 more source

Novel Anthraquinone Derivatives and Their Complexes with Metal Ions with Anticancer Activity: Structure/Redox and Chelation Activity Correlations

Pharmaceuticals
Background/Objectives: Some specific anthraquinone derivatives (AQs) are known to be used widely as effective chemotherapeutic agents in the treatment of cancer.
Olga Yu. Selyutina, Maya A. Ul’yanova, Olga A. Chinak, Viktor A. Timoshnikov, Lidiya G. Fedenok, Alexander A. Stepanov, Vadim V. Yanshole, Leonid V. Kulik, Sergey F. Vasilevsky, Nikolay E. Polyakov, George J. Kontoghiorghes   +10 more
doaj   +1 more source

KinSim: A Research-Grade, User-Friendly, Visual Kinetics Simulator for Chemical-Kinetics and Environmental-Chemistry Teaching

Journal of Chemical Education, 2019
KinSim is a research-grade, interactive, user-friendly, open-source, and visual software for kinetics modeling of environmental chemistry and other applications.
Zhe Peng, J. Jimenez
semanticscholar   +1 more source

Degradation mechanism of the von Willebrand factor A2 domain by nattokinase

FEBS Letters, EarlyView.
Nattokinase, a natto‐derived protease, exhibits potent antithrombotic effects. This study demonstrates that nattokinase directly cleaves the von Willebrand factor (vWF) A2 domain in vitro. Unlike the native regulator ADAMTS13, nattokinase degrades folded vWF independently of shear stress.
Ryuichi Hyakumoto, Masatomo So, Ayako Furukawa, Kenji Sugase   +3 more
wiley   +1 more source