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Herald of Medicine ; (12): 795-798, 2015.
Artigo em Chinês | WPRIM | ID: wpr-467799

RESUMO

Objective To prepare titanium dioxide (TiO2 ) nanoparticles with good near-infrared light and study the loading and release of doxorubicin. Methods The Sm doped TiO2 nanoparticles (Sm-TiO2 ) were synthesized using a modified solvothermal reaction and then observed with transmission electron microscope. The fluorescence spectrum, doxorubicin loading capacity and release profile were also determined. Results The obtained Sm-TiO2 nanoparticles with the length from 100-200 nm were fusiform and well dispersed. The emission wavelength was 640-670 nm. The drug loading capacity in water was 11. 5% . DOX in vitro was pH sensitive to release. Conclusion Sm-TiO2 nanoparticles have good near-infrared light, high drug loading capacity and controllable drug release are obtained and should be studied further more as a novel carrier.

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