目的：研究多聚赖氨酸包被的球囊导管作在体定向基因转导的可行性。
Objective . This study was undertaken to test the feasibility of local gene transfer in vivo using polylysine- coated balloon catheter.
目的比较脂质体和糖化多聚赖氨酸对目的基因肝脏靶向定位效果的影响。
Aim To compare the effects of liposome and glyco-poly-L-lysine (G-PLL) on target uptake and gene expression of liver by intravenous injection.
目的探讨海藻酸钙-多聚赖氨酸-海藻酸钙（APA）微囊低温保存的降温方法。
ObjectiveTo explore the methods of low temperature preservation for alginate-polylysine-alginate (APA) microcapsules.
多聚赖氨酸可促进细胞对材料的黏附，IGF_1对成骨细胞的增殖促进作用明显。
Polylysine could enhance the adhesion of cell onto the artificial bone material. IGF_1increased the proliferation of osteoblast markedly.
取包被组二次传代后的神经球滴在包被有多聚赖氨酸的盖玻片上观察神经干细胞生长情况。
Neurospheres of coated group after the 2nd passage were cultured in polylysine-coated slides so as to observe the growth characteristics of NSCs.
采用明胶及多聚赖氨酸对三者进行表面预处理，MTT法比较三者表面改性后犬血管平滑肌细胞的黏附生长情况。
The growth of SMCs was also assayed on the 3 scaffolds after they were pretreated with gelatin or Poly-1-lysine.
方法多聚赖氨酸包埋PLA，PGA，PLGA三维细胞支架。分离培养兔关节软骨细胞，体外扩增后种植到三种支架中。
Methods Coated PLA, PGA, PLGA with poly-l-lysine, free chondrocytes isolated from rabbit articular cartilage were seeded onto three kinds of scaffolds after expansion by in vitro culture.
方法多聚赖氨酸包埋PLA，PGA，PLGA三维细胞支架。分离培养兔关节软骨细胞，体外扩增后种植到三种支架中。
Methods Coated PLA, PGA, PLGA with poly-l-lysine, free chondrocytes isolated from rabbit articular cartilage were seeded onto three kinds of scaffolds after expansion by in vitro culture.
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