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VIBRATIONAL SPECTROSCOPY (FTIR-ATR AND FT-RAMAN) - A Rapid and Useful Tool for ...
Pereira, Leonel; Amado, Ana M.; Ribeiro-Claro, Paulo J. A.; van de Velde, FredThe wide industrial application of phycocolloids (e.g. alginates, agar and carrageenans) is based on their particular properties to form gels in aqueous solution. Recently, new spectroscopic techniques have provided more accurate identification of the natural composition of the polysaccharides produced by these seaweeds. With the combination of two spectroscopic techniques (FTIR-ATR and FT-Raman) it is possible...
The structure of j/i-hybrid carrageenans II. Coil–helix transition as a functio...
Van de Velde, Fred; Antipova, Anna S.; Rollema, Harry S.; Burova, Tatiana V.; Grinberg, Nataliya V.; Pereira, Leonel; Gilsenan, Paula M.; Tromp, R. HansThis paper describes the effect of the k/i-ratio on the physical properties of k/i-hybrid carrageenans (synonyms: kappa-2, k-2, weak kappa, weak gelling kappa). To this end, a series of k/i-hybrid carrageenans ranging from almost homopolymeric k-carrageenan (98 mol% k-units) to almost homopolymeric-carrageenan (99 mol% i-units) have been extracted from selected species of marine red algae (Rhodophyta). The k/i-...
The revised NMR chemical shift data of carrageenans
van de Velde, Fred; Pereira, Leonel; Rollema, Harry S.; http://www.sciencedirect.com/science/article/B6TFF-4D2MX5Y-2/1/8dc9b0de9c8e961612489f20159f466b
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