Study of the Influence of the pH Media Dissolution, Degree of Polymerization, and Degree of Swelling of the Polymers on the Mechanism of Release of Diltiazem from Matrices Based on Mixtures of Chitosan/Alginate
โ Scribed by Tapia, C.; Costa, E.; Moris, M.; Sapag-Hagar, J.; Valenzuela, F.; Basualto, C.
- Book ID
- 118008850
- Publisher
- Informa plc
- Year
- 2002
- Tongue
- English
- Weight
- 213 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0363-9045
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Polymerization of several lactones were carried out by employing Pseudomonas sp. lipase as the catalyst. The data indicate that water is consumed at the onset of polymerization and released in part during subsequent stages, leading us to propose a complex mechanism for the enzymatic polymerization o
## Abstract Chitosan/calciumโalginate beads were prepared by a coacervation method in aqueous medium. Their swelling properties and morphologies were studied. Complexed beads with a mean diameter of 500 ฮผm were obtained by dropwise addition of a sodium alginate solution into a chitosanโcalcium chlo