Будова гідратного шару поверхні композитних систем SiO2/ДНК(Dox) і SiO2/ДНК(Dox)/фуллерен С60
The structure of the hydrate cover of SiO2/DNA(Dox) and SiO2/DNA(Dox)/Full nanocomposites in the medium of non-polar organic solvent CCl4was studied using the low-temperature 1H NMR spectroscopy. For strongly associated interfacial water clusters the distributions were obtained along the radius as w...
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| Datum: | 2011 |
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| Hauptverfasser: | , , , , , |
| Format: | Artikel |
| Sprache: | Russisch |
| Veröffentlicht: |
Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine
2011
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| Online Zugang: | https://www.cpts.com.ua/index.php/cpts/article/view/89 |
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| Назва журналу: | Chemistry, Physics and Technology of Surface |
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Chemistry, Physics and Technology of Surface| Zusammenfassung: | The structure of the hydrate cover of SiO2/DNA(Dox) and SiO2/DNA(Dox)/Full nanocomposites in the medium of non-polar organic solvent CCl4was studied using the low-temperature 1H NMR spectroscopy. For strongly associated interfacial water clusters the distributions were obtained along the radius as well as the changes in the Gibbs free energy stipulated by adsorption interaction with the surface of nanoparticles. It has been shown that the hydration properties of these composites differ from those of the solid particles of DNA or SiO2/DNA composite structure of weakly associated water clusters. It has been found that the introduction of additional portions of water into the dispersion medium (CCl4) near interfaces results in formation long-living of sub-micron clusters the submicron clusters of strongly associated water which can significantly affect the concentration ratio of strongly and weakly associated water. |
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