Interaction of digoxin and montmorillonite: Mechanism of adsorption and degradation
β Scribed by Linda S. Porubcan; Gordon S. Born; Joe L. White; Stanley L. Hem
- Publisher
- John Wiley and Sons
- Year
- 1979
- Tongue
- English
- Weight
- 492 KB
- Volume
- 68
- Category
- Article
- ISSN
- 0022-3549
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π SIMILAR VOLUMES
The divalent organic cation, methyl green (MG), undergoes a slow transformation (6 h) to a monovalent cation, carbinol (MGOH + ) upon dilution of its solution (10 mM), or in a buffer at neutral pH. Adsorption isotherms of MG on montmorillonite were determined by two procedures, both of which yield a
Autoregulation of gene expression is a common control mechanism for a large number of transcriptional units. Cases of self-regulation of the stability of various messenger RNAs (mRNAs) are re-evaluated here, and a general hypothesis for the origins and the mechanism of this process is presented. It
isomorphic substitutions take place beneath the plane of basal Suspensions of an argentinean Na / -exchanged montmorillonite oxigens in illites, modifying their electronic population and inwere studied by acid-base potentiometric titrations, mass titracreasing their cation binding capabilities. α§ 19
Adsorption isotherms for water vapor, basal spacing, and immersion heats and water desorption heats of Li+, Na+, Mg2+, Ca2+, Cu2+, and Fe3+ montmorillonite are measured at various relative humidities (r.h.). The amount of water adsorbed as a function of r.h. is found to increase gradually, whereas b
The adsorption enthalpy and the adsorption isotherm of tetradecylpyridinium bromide (TPB) onto a Na-montmorillonite suspension and the dilution enthalpy of the TPB solution have been determined at 298.15 K. The dilution process is endothermic and the adsorption process is exothermic. For ion exchang