期刊
ACS APPLIED MATERIALS & INTERFACES
卷 1, 期 2, 页码 319-327出版社
AMER CHEMICAL SOC
DOI: 10.1021/am8000456
关键词
injectable biodegradable hydrogel; thermoresponsive; histology study; biocompatibility
资金
- National Natural Science Foundation of China [20774069, 50633020]
- National Key Basic Research Program of China [2005CB623903]
- Ministry of Education of China (Cultivation Fund of Key Scientific and Technical Innovation Project) [707043]
A series of hydrogels containing a biodegradable dextran (Dex) chain grafted with a hydrophobic poly(is an element of caprolactone) -2 hydroxylethyl methacrylate (PCL-HEMA) chain and a thermoresponsive poly(N-isopropylacrylamide) (PNIPAAm) chain were synthesized. The molecular weight of PCK-HEMA was determined by gel permeation chromatography, and the inner morphology of the hydrogel was observed by scanning electron microscopy. The release profiles from the hydrogels were investigated using bovine serum albumen as a model drug. It was found that the release behavior could be adjusted by varying the composition of the hydrogen in vivo degradation and histological studies demonstrated that the hydrogels had good biocompatibility and were promising for use as an injectable polymeric scaffold for tissue engineering application.
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