Sol—gel transition of alginate solution by additions of various divalent cations: critical behavior of relative viscosity
✍ Scribed by Zheng-Yu Wang; Qing-Zhi Zhang; Mikio Konno; Shozaburo Saito
- Book ID
- 107735231
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 329 KB
- Volume
- 186
- Category
- Article
- ISSN
- 0009-2614
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## Abstract Novel information on the gelation mechanism of aqueous alginate solutions in the presence of iron cations is obtained by combining confocal Raman spectroscopy and viscoelastic measurements. The mechanism of gelation of alginate with iron cations is proposed to occur through a combined a
The interaction mode between cupric ions and alginate in aqueous solutions during sol-gel transition has been experimentally examined at different temperatures. Some clusters were found to pass through a conformational transformation as the temperature increased, i.e. clusters formed by intramolecul