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Published on: September 20, 2017
Calcium phosphate hybrid nanoparticles: self-assembly formation, characterization, and application as an anticancer
Xin-Yu Zhao1, Ying-Jie Zhu, Feng Chen
1State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, PR China.
Abstract:
Calcium phosphate hybrid nanoparticles (CaP-HNPs) have been synthesized in aqueous solution through self-assembly by using two oppositely charged polyelectrolytes (poly(diallyldimethylammonium chloride) (PDADMAC) and poly(acrylate sodium) (PAS)) as dual templates. First, the PAS/Ca(2+) and PDADMAC/PO4(3-) complexes form through electrostatic interactions and then two complexes self-assemble into CaP-HNPs after mixing them together. The as-prepared CaP-HNPs exhibit a spherical morphology with a narrow size distribution, good dispersibility, and high colloidal stability in water. The CaP-HNPs are explored as a nanocarrier for the anticancer drug docetaxel (Dtxl). The CaP-HNPs show excellent biocompatibility, high drug-loading capacity, pH-sensitive drug-release behavior, and high anticancer effect after being loaded with Dtxl. Therefore, the as-prepared CaP-HNPs are promising drug nanocarriers for cancer therapy.
