Influence of nanosilica on water-phase transitions in hygroscopic systems
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TUROV, Volodymyr; LUPASCU, Tudor; KRUPSKA, Tetyana; POVAR, Igor; SUVOROVA, Liudmyla. Influence of nanosilica on water-phase transitions in hygroscopic systems. In: Chemistry Letters. 2017, nr. 4(46), pp. 481-484. ISSN 0366-7022.
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Chemistry Letters
Numărul 4(46) / 2017 / ISSN 0366-7022

Influence of nanosilica on water-phase transitions in hygroscopic systems


DOI: 10.1246/cl.161136
Pag. 481-484

Turov Volodymyr1, Lupascu Tudor2, Krupska Tetyana1, Povar Igor2, Suvorova Liudmyla3
 
1 ”O.O. Chuyko” Institute of Surface Chemistry, National Academy of Sciences of Ukraine,
2 Institute of Chemistry of the Academy of Sciences of Moldova,
3 Macrosorb LT, Vilnius
 
Disponibil în IBN: 16 decembrie 2018


Rezumat

By low-temperature 1HNMR spectroscopy and thermogravimetry methods, the effect of hydrophobic (AM1) and hydrophilic (A-300) nanosilica on the process of evaporation and freezing water, linked to hygroscopic grape seed extract, biopreparation Enoxil (Ex), has been studied. It is shown that nanosilica modifies the character of binding water in composite systems. The total amount of water retained in the composite becomes substantially smaller than in pure biopreparation. This effect can be used to stabilize lyophilized biological tissues and cell cultures.

Cuvinte-cheie
Enoxil, Hygroscopic biopreparation, Nanosilica