期刊
MATERIALS LETTERS
卷 64, 期 21, 页码 2299-2301出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2010.07.060
关键词
Calcium phosphate; Block copolymer; Nanosphere; Drug delivery
资金
- Science and Technology Commission of Shanghai [1052 nm06200, 0852 nm05800]
- National Natural Science Foundation of China [50772124, 50821004]
- Shanghai-Unilever Research and Development Fund [09520715200]
Calcium phosphate (CaP)/block copolymer hybrid porous nanospheres were synthesized by a simple solution method using CaCl2 and (NH4)(2)HPO4 in the presence of a block copolymer at room temperature. X-ray diffraction showed that the sample consisted of amorphous calcium phosphate (ACP). The BET specific surface area and the pore size distribution of the CaP/PLLA-mPEG hybrid porous nanospheres were also characterized. The as-prepared CaP/PLLA-mPEG hybrid porous nanospheres were explored as drug carriers, and showed a high ibuprofen loading capacity and in vitro prolonged drug release behavior in a simulated body fluid. These CaP/block copolymer hybrid porous nanospheres exhibit a great potential for application in drug delivery. (C) 2010 Elsevier B.V. All rights reserved.
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