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Becherán-Marón L, Peniche C, Argüelles-Monal W. Study of the interpolyelectrolyte reaction between chitosan and alginate: influence of alginate composition and chitosan molecular weight. Int J Biol Macromol. 2004;34(1):127-33doi: 10.1016/j.ijbiomac.2004.03.010.
Becherán-Marón, L., Peniche, C., & Argüelles-Monal, W. (2004). Study of the interpolyelectrolyte reaction between chitosan and alginate: influence of alginate composition and chitosan molecular weight. International journal of biological macromolecules, 34(1), 127-33. https://doi.org/10.1016/j.ijbiomac.2004.03.010
Becherán-Marón, L, et al. "Study of the interpolyelectrolyte reaction between chitosan and alginate: influence of alginate composition and chitosan molecular weight." International journal of biological macromolecules vol. 34,1 (2004): 127-33. doi: https://doi.org/10.1016/j.ijbiomac.2004.03.010
Becherán-Marón L, Peniche C, Argüelles-Monal W. Study of the interpolyelectrolyte reaction between chitosan and alginate: influence of alginate composition and chitosan molecular weight. Int J Biol Macromol. 2004 Apr;34(1):127-33. doi: 10.1016/j.ijbiomac.2004.03.010. PMID: 15178017.
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Int J Biol Macromol. 2004 Apr;34(1):127-33. doi: 10.1016/j.ijbiomac.2004.03.010.

Study of the interpolyelectrolyte reaction between chitosan and alginate: influence of alginate composition and chitosan molecular weight.

International journal of biological macromolecules

L Becherán-Marón, C Peniche, W Argüelles-Monal

Affiliations

  1. IMRE, Universidad de La Habana, La Habana 10400, Cuba.

PMID: 15178017 DOI: 10.1016/j.ijbiomac.2004.03.010

Abstract

The interpolyelectrolyte reaction between chitosan (CHI) and alginate (ALG) was followed by conductimetry and potentiometry. Five chitosan samples, all with almost the same degree of N-acetylation (DA approximately 0.20) and molecular weights ranging from 5 x 10(3) to 2.5 x 10(5) Da were used. The polyelectrolyte complex was formed using alginate samples with three different M/G values (0.44, 1.31 and 1.96). The composition of the complex, Z (Z = [CHI]/[ALG]) resulted 0.70 +/- 0.02, independently of the molecular weight of chitosan and the composition of the alginate used. The degree of complexation was 0.51 with no dependence on the alginate composition.

Copyright 2004 Elsevier B.V.

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