And the gelation parameters are 2 mm in beads diameter, 1.5% (wt%) sodium alginate, 3.5% (wt%) CaCl_2, and the gelation time of 10 min. The biocompatibility of Ca-Alg MBs for NSCs was tested by coculturing NSCs with Ca-Alg MBs up to 21 days.

• 根据细胞培养对胶珠的强度要求；对胶珠进行强度检测；综合扩散系数与强度检测结果；选出适于神经干细胞培养的最佳成胶珠工艺条件为:1.；5%25(wt%25)的海藻酸钠；3