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Abstract
It is of interest from both bais and applied research standpoints to widen the number of artificial uronans (polyuronic acids) starting from readily accessible non-ionic and/or ionic polysacchardides of vegetal or microbial origin. This especially if synthetic procedures leading to species of controllable charge density with minimal chain degradation can be adopted.
1. Presented at the XVIII International Carbohvdrate Symposium, Milan, Italy, July 21-26, 1996.
Notes
1. Presented at the XVIII International Carbohvdrate Symposium, Milan, Italy, July 21-26, 1996.
Origins of the biopolymers are: gellan (``Gelrite'', KELCO Co., Lot 87063A); scleroglucan (``Actigum-CS-11'', SANOfi BIO-INDUSTRIES, Lot 662); pullulan (``PI-20'', HAYASHIBARA, Lot 01207), guar (``Gum Guar'', SIGMA, Lot 566—0238). TEMPO and NaBr were SIGMA products. Aqueous NaClO (7% w/V) was a Carlo ERBA product