Chitosan alginate and

Controlled degradation of chitosan, alginates and carrageenans — Upgrading and utilization of carbohydrates such as chitosan, sodium aiginate, carrageenan, cellulose,... 

Tapia, C., Escobar, Z., Costa, E., Sapag-Hagar, J., Valenzuela, F., Basualto, C., Gai, M. N., and Yazdani-Pedram, M. Comparative studies on polyelectrolyte complexes and mixtures of chitosan alginate and chitosan-carrageenan as prolonged diltiazem clorhydrate release systems. Eur. J. Pharm. Biopharm. 57 (2004) 65-75. 

De, S., Robinson, D. Polymer relationships during preparation of chitosan-alginate and poly(L-lysine)-alginate nanospheres. J. Controlled Release 89, 101-112 (2003)... 

Yu, C.-Y, Yin, B.-C., Zhang, W, Cheng, S.-X., Zhang, X.-Z. and Zhuo, R.-X. (2009b). Composite microparticle drug delivery systems based on chitosan, alginate and pectin with improved pH-sensitive drug release property. Colloids and Surfaces B Biointerfaces, 68,245-249. 

In the field of drug dehvery, polysaccharides (such as starch, chitosan, alginate, and cellulose) and modified polysaccharides (e.g., cellulose derivatives) have earned special attention due to their high biocompatibility and hydrophobicity [56-61]. 

Yurdasiper A, Sevgi F. An overview of modified release chitosan, alginate and Eudragit RS microparticles. / Chem Pharm Res. 2 (3) 704-721, 2010. 

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