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  • Title: Curcumin loaded mixed micelles composed of Pluronic P123 and F68: preparation, optimization and in vitro characterization.
    Author: Zhao L, Du J, Duan Y, Zang Y, Zhang H, Yang C, Cao F, Zhai G.
    Journal: Colloids Surf B Biointerfaces; 2012 Sep 01; 97():101-8. PubMed ID: 22609589.
    Abstract:
    In this study, curcumin (Cur) loaded mixed micelles (Cur-PF), composed of Pluronic P123 (P123) and Pluronic F68 (F68), was prepared using the thin-film hydration method and evaluated in vitro. The preparation process was optimized with a central composite design (CCD). The average size of the mixed micelles was 68.2 nm, and the encapsulating efficiency for Cur was 86.93%, and 6.996% for drug-loading. Compared with the Cur propylene glycol solution, the in vitro release of Cur from Cur-PF presented the sustained-release property. The in vitro cytotoxicity assay showed that the IC(50) values on MCF-7 cells for Cur-PF and free Cur in DMSO solution were 5.04 μg/mL and 8.35 μg/mL, while 2.52 μg/mL and 8.27 μg/mL on MCF-7/ADR cells. It could be concluded from the results that P123/F68 mixed micelles might serve as a potential nanocarrier to improve the solubility and biological activity of Cur.
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