期刊
JOURNAL OF POLYMERS AND THE ENVIRONMENT
卷 19, 期 2, 页码 413-418出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10924-011-0290-8
关键词
Solvent evaporation; Ciprofloxacin; Biodegradable microspheres; Controlled release
资金
- University Grants Commission (UGC-SAP), Government of India, New Delhi
Ciprofloxacin (CF) loaded biodegradable microspheres of Poly(lactide-co-caprolactone)-PF127 (a poloxamer block copolymer of Ethylene Oxide/Propylene Oxide) were prepared by using solvent evaporation technique. The microspheres were characterized by differential scanning calorimetry (DSC) and X-ray diffractometry (X-RD) technique to confirm the polymorphism of ciproflaxacin (CF) drug. The X-RD and DSC techniques indicated molecular level dispersion of CF in the microspheres. Scanning electron micrographic images (SEM) of the microspheres indicated smooth surfaces of the spherical microspheres. Cumulative release characteristics of the matrices for CF, the antibiotic drug, were investigated in pH 7.4 media. It was possible to release CF in controlled manner up to 72 h. The developed ciprofloxacin loaded Poly(lactide-co-caprolactone)-PF127 microspheres were evaluated for preliminary antibacterial applications.
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