Вплив кверцетину, нанокремнезему та органічних розчинників на гідратацію крохмалю
State and structural characteristics of water bound to starch and an influence of nanosilica, quercitin immobilized on nanosilica’s surface and organic solvents (chloroform and dimethylsulfoxide) were studied using low-temperature lH NMR spectroscopy, NMR-cryoporomelry and quantum chemisty methods....
Збережено в:
| Дата: | 2009 |
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| Автори: | , , , , , |
| Формат: | Стаття |
| Мова: | Російська |
| Опубліковано: |
Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine
2009
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| Онлайн доступ: | https://surfacezbir.com.ua/index.php/surface/article/view/369 |
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| Назва журналу: | Surface |
| Завантажити файл: |  |
Репозитарії
Surface| Резюме: | State and structural characteristics of water bound to starch and an influence of nanosilica, quercitin immobilized on nanosilica’s surface and organic solvents (chloroform and dimethylsulfoxide) were studied using low-temperature lH NMR spectroscopy, NMR-cryoporomelry and quantum chemisty methods. It was established that interfacial water was in a cluster state. Additionaly, solid phase stabilized clusterization of weakly associated water (3 — 4 % of total water concentration) in the presence of weakly polar chloroform medium. All interfacial water appeared to be strongly bound without addition of dimethylsulfoxide and a portion of this water tranforms into weakly bound in a mixture of solvents that testify significant re-organization of bound water structure in the presence of dimethylsulfoxide. |
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