Components and fractions for differently bound water molecules of dipalmitoylphosphatidylcholine–water system as studied by DSC and 2H-NMR spectroscopy
✍ Scribed by M. Kodama; Y. Kawasaki; H. Aoki; Y. Furukawa
- Book ID
- 116273911
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 871 KB
- Volume
- 1667
- Category
- Article
- ISSN
- 0005-2736
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## Abstract ^2^H and ^13^C NMR techniques were used to investigate the thermodynamic state of water molecules and of poly(vinyl alcohol) (PVA) chain segments in frozen 10% PVA solutions in 99.8% and 8.5% ^2^H~2~O in the ‐66 to 3°C temperature range. The minimum amount of water not entering into the
؊1 , respectively. The results for the residual dipolar interactions were verified by repeating the above measurements at a temperature of 1.5°C, where the spectra of the H 2 O molecules were well resolved, so that the 1 H-1 H dipolar interaction could be determined directly from the observed splitt