Nanosilica A-300 influence on water structures formed on the bioactive agent Enoxil

Turov Volodymyr; Lupascu Tudor; Krupska Tetyana; Povar Igor

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TUROV, Volodymyr, LUPASCU, Tudor, KRUPSKA, Tetyana, POVAR, Igor. Nanosilica A-300 influence on water structures formed on the bioactive agent Enoxil. In: Canadian Journal of Chemistry, 2015, vol. 94, nr. 1, pp. 88-94. ISSN -. DOI: https://doi.org/10.1139/cjc-2015-0360

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Canadian Journal of Chemistry

Volumul 94, Numărul 1 / 2015 / ISSN - /ISSNe 1480-3291

Nanosilica A-300 influence on water structures formed on the bioactive agent Enoxil

DOI:https://doi.org/10.1139/cjc-2015-0360

Pag. 88-94

Turov Volodymyr¹, Lupascu Tudor², Krupska Tetyana¹, Povar Igor²

¹ Chuiko Institute of Surface Chemistry, National Academy of Science of Ukraine,
² Institute of Chemistry of the Academy of Sciences of Moldova

Disponibil în IBN: 29 mai 2023

Rezumat

The interactions of water and aqueous solutions of HCl with the Enoxil preparation and its composite system Enoxil-SiO₂ (1:1) have been studied by low-temperature ¹H NMR spectroscopy. The antacid properties in the preparation, manifested in the transformation of a concentrated solution of HCl in a weakly concentrated one, have been established. In the composite system, adsorbed HCl in a hydrophobic environment of CDCl₃ may generate a system of clusters with different acid concentrations, while the equilibrium is shifted toward less concentrated forms.

Cuvinte-cheie
Antacid properties, Bioactive Enoxil preparation, Composite Enoxil-SiO2, Low-temperature NMR spectroscopy, Thermodynamic properties of bound water

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