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磷脂囊泡与阴,阳离子性表面作用的深入理解对磷脂的生物纳米科技应用具有重要意义.通过石英电子微天平及耗散系数测量仪,研究了不同离子性磷脂囊泡在胺端基和羧端基修饰Au衬底的沉积行为.实验观察到四条囊泡沉积路径:(ⅰ)吸附至临界值后破裂成膜;(ⅱ)吸附即破裂成膜;(ⅲ)吸附不破裂;(ⅳ)不吸附.沉积路径由囊泡与衬底的双电层相互作用决定,离子可发挥调节作用.
Phospholipid vesicles and anionic, cationic surface understanding of the role of phospholipids bio-nanotechnology applications is of great significance.Through the quartz electronic microbalance and the dissipation factor measuring instrument, the study of different ionic phospholipid vesicles in the amine end groups and carboxyl Deposition behavior of the Au-base-terminated Au substrate. Four deposition pathways of the vesicles were observed experimentally: (i) rupture to film upon adsorption to a critical mass; (ii) rupture to film upon adsorption; (iii) Do not adsorb.The deposition path is determined by the interaction between the vesicles and the electric double layer of the substrate, ions can play a regulatory role.