期刊
MATERIALS SCIENCE AND ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
卷 76, 期 -, 页码 918-924出版社
ELSEVIER
DOI: 10.1016/j.msec.2017.03.086
关键词
Microstructure; Functional; Photosensitive micelles; Biomaterials; Polymers
资金
- National Natural Science Foundation of China [21173001, 51372004, 21571002, 21401001]
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials
Polyvinyl alcohol (PVA) micelles were firstly synthesized by using hemin molecules as novel crosslinked bridges (PVA-H crosslinked micelles). On one hand, the crosslinked micelles can allow high stability against extensive dilution (1800-fold) to reduce side-effects; On the other hand, the bridges not only can destruct by means of laser irradiation (405 nm, 200 mw), but also can induce the production of singlet oxygen (O-1(2)) and the release of 5-fluorouracil (5FU) (i.e. 46% release in 360 min). But above all, that 5FU-loaded PVA-H crosslinked micelles irradiating by laser is more efficient than PVA-H crosslinked micelles and free 5FU in killing tumor cells, suggest the effective synergistic antitumor effect about chemotherapy and photodynamic therapy (PDT). (C) 2017 Published by Elsevier B.V.
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