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Inclusion and release of theophylline from chitosan based microparticles
Chitosan theophylline microparticles
2010/10/15
Chitosan (CS) based microparticles for controlled release of theophylline (THP) were obtained by ionic gelation. The microparticles were characterized by laser diffraction analysis (particle size), sc...
External Mass Transfer Studies during the Adsorptions of Some Dyestuffs and p-Nitrophenol onto Chitosan from Aqueous Solution
Chitosan Dyestuff adsorption External mass transfer coefficient
2010/4/20
The effect of temperature on the adsorptions of some dyestuffs [orange II (O-II), crystal violet (CV) and reactive blue 5 (RB5)] and an ideal adsorbate p-nitrophenol (PNP) by chitosan (Sigma C 3646) f...
Stabilization of Papain by Modification with Chitosan
Enzyme stabilization immobilized papain chitosan
2010/4/22
Papain (EC 3.4.22.2) was immobilized on chitosan by adsorption and subsequent cross-linking with glutaraldehyde. The immobilized papain displayed a lower specific activity than did the native enzyme. ...