Title : Effect of zein on biodegradable inserts for the delivery of tetracycline within periodontal pockets.

Pub. Date : 2012 Aug

PMID : 21586598






5 Functional Relationships(s)
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1 The aim of this study was to develop biodegradable, tetracycline-loaded microparticles made of two polymers: PLGA and zein which were compressed into monolithic devices. Tetracycline zein Zea mays
2 The interaction of tetracycline with the corn protein zein was studied by nuclear magnetic resonance (NMR), Fourier transform infrared, and X-ray diffraction. Tetracycline zein Zea mays
3 The hydrophobic interaction of tetracycline with zein in the formulations was deduced from the NMR studies, whereas X-ray diffraction studies showed a new crystalline state of the drug in the presence of the protein. Tetracycline zein Zea mays
4 Sustained release of tetracycline was obtained, and the proportion of zein in the inserts had a great impact on the drug release. Tetracycline zein Zea mays
5 In conclusion, the PLGA:zein delivery system described in this study was found to be effective in controlled delivery of tetracycline, and hence may be suitable for intra-pocket delivery of antimicrobial agents in the treatment of periodontitis. Tetracycline zein Zea mays