A membrane-controlled drug delivery system has been developed by coating spherical crosslinked carboxymethylcellulose particles. The excess of crosslinking agent insed the core activated an interfacial crosslinking process with sodium alginate providing an insoluble wall around the particles.
A coating process of spherical partticles via an excess of cross-linking agent / Iannuccelli, Valentina; Vandelli, Maria Angela; Cameroni, Riccardo. - STAMPA. - ND:(1992), pp. 53-53. (Intervento presentato al convegno 8th International Symposium on Microencapsulation tenutosi a Dublino nel 16-18 settembre 1992).