ESR study of a negative spin probe adsorbed from a silica/water dispersion
β Scribed by Giacomo Martini
- Publisher
- Elsevier Science
- Year
- 1984
- Weight
- 761 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0166-6622
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Electron spin resonance (ESR) was used in order to study the mechanism of interaction of potato starch with lipids in systems with different water contents (40, 50 and 60% w/w) during heating and cooling. Different spin probes were used, on the one hand spin-labelled stearic acids (5-DSA and 16-DSA)
The slow molecular motion of several de&rated and undeuterated spin probes differing in size and shape, embedded in a model glycerol-water matrix, have been studied by double-modulated electron spin resonance (DMESR). The DMESR spectra as a function of temperature reveal two motional regions. From t