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Determination of the microscopic acid dissociation constant of piperacillin and identification of dissociated molecular forms [PDF]

open access: yesFrontiers in Chemistry, 2023
For amphoteric ß-lactam antibiotics, the acid dissociation constant (pKa) is a fundamental parameter to characterize physicochemical and biochemical properties of antibiotics and to predict persistence and removal of drugs.
Guoao Li   +5 more
doaj   +2 more sources

Simple methods to determine the dissociation constant, K<sub>d</sub>. [PDF]

open access: yesMol Cells
The determination of the dissociation constant (Kd) is pivotal in biochemistry and pharmacology for understanding binding affinities in chemical reactions, which is crucial for drug development and comprehending biological systems.
Lee D, Kim J, Lee G.
europepmc   +2 more sources

Dissociation Constant (K<sub>d</sub>) Measurement for Small-Molecule Binding Aptamers: Homogeneous Assay Methods and Critical Evaluations. [PDF]

open access: yesSmall Methods
Since 1990, numerous aptamers have been isolated and discovered for use in various analytical, biomedical, and environmental applications. This trend continues to date.
Stangherlin S, Ding Y, Liu J.
europepmc   +2 more sources

Optimization of Electrospray Ionization by Statistical Design of Experiments and Response Surface Methodology: Protein-Ligand Equilibrium Dissociation Constant Determinations. [PDF]

open access: yesJ Am Soc Mass Spectrom, 2016
Electrospray ionization mass spectrometry (ESI-MS) binding studies between proteins and ligands under native conditions require that instrumental ESI source conditions are optimized if relative solution-phase equilibrium concentrations between the ...
Pedro L, Van Voorhis WC, Quinn RJ.
europepmc   +2 more sources

Calculation of Crystal-Solution Dissociation Constants [PDF]

open access: yesBiomolecules, 2022
The calculation of dissociation constants is an important problem in molecular biophysics. For such a calculation, it is important to correctly calculate both terms of the binding free energy; that is, the enthalpy and entropy of binding.
Sergiy O. Garbuzynskiy   +1 more
doaj   +3 more sources

The Kinetics of Chitosan Degradation in Organic Acid Solutions

open access: yesMarine Drugs, 2021
This paper presents a comparative study on chitosan degradation in organic acid solutions according to their different dissociation characteristics. More precisely, the aim of the study was to determine the kinetics of the degradation process depending ...
Dominik Sikorski   +2 more
doaj   +1 more source

SYNTHESIS AND IDENTIFICATION OF SOME HYDROXAMIC DERIVATIVES AND STUDYING THEIR THERMO AND PHOTO DEGRADATION [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة, 2014
The aim of this research is to prepare and study the kinetics effect of temperature and photochemical reactions of the hydroxamic acid derivatives of diethyl succinate through the interaction of alkyl halides and diethyl succinate in the presence of ...
ISMAIL AL-KHATEEB   +2 more
doaj   +1 more source

Determination of the Dissociation Constants of 16 Active Ingredients in Medicinal Herbs Using a Liquid–Liquid Equilibrium Method

open access: yesSeparations, 2021
The dissociation constant is an important physicochemical property of drug molecules that affects the pharmacokinetic and pharmacodynamic properties of drugs.
Wanying Wang   +5 more
doaj   +1 more source

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