Journal
CHEMICAL PHYSICS LETTERS
Volume 485, Issue 4-6, Pages 343-347Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2009.12.064
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Funding
- Deutscher Akademischer Austauschdienst (DAAD) [PKZ: A/07/80278]
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Gelatin film formation was investigated in situ during evaporation of the solvent. Gelatin was dissolved in deuterium oxide (D2O) at 50 degrees C followed by casting. The drying process of the gelatin-D2O solution system was observed using a single-sided NMR scanner by application of the Carr-Purcell-Meiboom-Gill (CPMG) pulse sequence at different layer positions. The echo decays were analysed and spin-spin relaxation times (T-2) were obtained for each layer. It was found that the drying process for the film formation occurs in a stratified fashion. (C) 2009 Published by Elsevier B.V.
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