Infrared study of the state of water in the hydration shell of DNA
β Scribed by Falk, Michael; Poole, A. G.; Goymour, C. G.
- Book ID
- 120174880
- Publisher
- NRC Research Press
- Year
- 1970
- Tongue
- French
- Weight
- 339 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0008-4042
- DOI
- 10.1139/v70-250
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## Synopsis We have used Raman scattering to study the water 0-H stretching modes at -3450 and -3220 cm-' in DNA films as a function of relative humidity (r.h.). The intensity of the 3220-cm-' band vanishes 88 the r.h. is decreased from 98% to around 80%, which indicates that the hydrogen-bond net
High-resolution \*H-nmr is employed to monitor the D20 in hydrated solids of Li-DNA prepared from solution by three different methods: lyophilization, slow evaporation of the water, and wet spinning in alcohol. From the spectral shapes and spin-spin relaxation measurements, the DNA in the lyophilize