Conclusion: Folate-BSANP could be delivered into tumor cells via folate receptor-mediated endocytosis and significantly targeted to tumor cells with rich folate receptors.

• 结论叶酸偶联白蛋白纳米粒能通过细胞膜上的叶酸受体介导内吞入胞，可显著靶向于叶酸受体丰富的肿瘤细胞。