期刊
JOURNAL OF MATERIALS SCIENCE
卷 54, 期 9, 页码 7180-7197出版社
SPRINGER
DOI: 10.1007/s10853-018-03200-1
关键词
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资金
- National Natural Science Foundation of China [51673186, 51203152, 8167090834, 51473164]
- Program of Scientific Development of Jilin Province [20170520121JH, 20170520141JH]
- Japan Society for the Promotion of Science [GJHZ1519]
- Special Fund for Industrialization of Science and Technology Cooperation between Jilin Province [2017SYHZ0021]
- Chinese Academy of Science [GJHZ1519, 2017SYHZ0021]
In this study, a high-voltage electrostatic technique is introduced to prepare polycarbonate (PC) microspheres in order to design an expansion strategy for the bone marrow mesenchymal stem cells (BMMSCs). The effects of the solution concentration, temperature, nozzle specification and voltage on the sphericity, homogeneity, diameter and sedimentation velocities of the microspheres are investigated. By optimising the preparation parameters, PC microspheres with a diameter of 316.39 mu m +/- 14.75 mu m and porous surface were prepared. The gelatine-modified PC (GEL-PC) microspheres exhibited better hydrophilicity and protein adsorption ability than PC microspheres. Enhancement of the adhesion and proliferation of the BMMSCs can be observed on GEL-PC microspheres after 7 days. Therefore, this study demonstrates that employing a dynamic culture using GEL-PC microspheres is a promising method for deriving BMMSCs.
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