Equations ( ) and (9), on p. 2829 of the above paper, should read as follows:
The conformational transition of κ-carrageenan using microcalorimetry
✍ Scribed by Cyrille Rochas; Jean Mazet
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1984
- Tongue
- English
- Weight
- 413 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0006-3525
No coin nor oath required. For personal study only.
✦ Synopsis
The interactions between inorganic cations and K-carrageenan in aqueous solutions have been studied using microcalorimetry. The enthaipy of dilution and the enthalpy of mixing of K-carrageenan in the coil conformation with an alkaline metal chloride have been investigated and are in agreement with theoretical predictions. The formation of helical dimer in a K+ salt form in the absence of a gel formation is confirmed.
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A recently published method for the determination of the enthalpy and entropy changes of nonionic origin upon conformational transition of linear biopolyelectrolytes in solution [J. C. Benegas, A. Cesa `ro,
## Abstract The steady‐state fluorescence (SSF) technique was used for studying swelling of disc‐shaped polyacrylamide (PAAm)‐κ‐carrageenan (κC) composites which were prepared by free‐radical crosslinking copolymerization at 80°C. Pyranine was introduced as a fluorescence probe during polymerizatio
The relatively novel combination of flow field-flow fractionation (FFF) and multiangle light scattering (MALS) was employed to study a nondegraded k-carrageenan in different 0.1M salt solutions. The applicability of the technique was tested, and the effects of salt type and salt composition on the m
The conformational properties of -carrageenan in 0.2M LiI and -carrageenan in 0.2M LiCl were analyzed by size exclusion chromatography combined with low-angle laser light scattering. Fractionated samples with narrow molecular weight distributions (M w /M n ϳ 1.4) were used, and M w in the disordered