Abstract
Curcumin is a natural substance that exhibits the ability to inhibit and/or treat carcinogenesis in a variety of cell lines, but because of its poor solubility in water the treatment efficacy is limited. In this paper we report on the fabrication of self-assembled micelle nanoparticles loaded with a curcumin drug by use of a biocompatible copolymer of PLA-TPGS (d-a-tocopheryl polyethylene glycol 1000 succinate—vitamin E TPGS) conjugate. The polylactide (PLA)-TPGS copolymer synthesized by ring-opening polymerization was characterized by Fourier transform infrared spectroscopy (FTIR) and 1 H nuclear magnetic resonance (1 H NMR) techniques. The surface morphology of PLA-TPGS and curcumin loaded PLA-TPGS was determined by field emission scanning electron microscopy (FE-SEM). The absorption and fluorescence examinations indicated that due to micellar capsulation the intensity of both types of spectra increased by about 4 times in comparison with those of the free curcumin sample.
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