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Asian Journal of Scientific Research
  Year: 2009 | Volume: 2 | Issue: 2 | Page No.: 87-95
DOI: 10.3923/ajsr.2009.87.95
Methoxy Poly Ethylene Glycol-b-poly (D, L-lactide-co-glycolide) Films as Drug Delivery Systems for Ibuprofen
Y. Baimark and T. Phromsopha

Abstract:
Methoxy poly (ethylene glycol)-b-poly (D,L-lactide-co-glycolide) diblock copolymers (MPEG-b-PDLLG) films containing a poorly water-soluble drug were prepared by evaporation method of MPEG-b-PDLLG and drug solution in dichloromethane. Ibuprofen was used as a poorly water-insoluble model drug. Influences of MPEG block length and DLL/G ratio on drug-loaded film character and drug release behavior were investigated. Inhibition of entrapped ibuprofen crystallization in the MPEG-b-PDLLG films was observed from thermal analysis. The drug release rates increased as the MPEG block length increased. Incorporation of G units in the PDLL block also induced the faster drug release rate. The drug had released from the films through diffusion mechanism.
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How to cite this article:

Y. Baimark and T. Phromsopha, 2009. Methoxy Poly Ethylene Glycol-b-poly (D, L-lactide-co-glycolide) Films as Drug Delivery Systems for Ibuprofen. Asian Journal of Scientific Research, 2: 87-95.

DOI: 10.3923/ajsr.2009.87.95

URL: http://scialert.net/abstract/?doi=ajsr.2009.87.95

COMMENTS
07 June, 2009
murthy murali:
methoxy poly (ethylene glycol)-b-poly (D,L-lactide-co-glycolide) diblock copolymers (MPEG-b-PDLLG) films containing a poorly water-soluble drug were prepared by evaporation method of MPEG-b-PDLLG and drug solution in dichloromethane. is this require to release for films
 
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