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首页> 外文期刊>The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical >Supported Phospholipid Membrane Interactions with l-Butyl-3-methylimidazolium Chloride
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Supported Phospholipid Membrane Interactions with l-Butyl-3-methylimidazolium Chloride

机译:与1-丁基-3-甲基咪唑鎓氯化物的磷脂膜相互作用

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摘要

Quartz crystal microbalance with dissipation measurements were conducted for a 98/2 mole ratio of 1,2-dielaidoylphosphocholine (DEPC) and 1,2-dimyristoylphosphoglycerol (DMPG) on silica, gold, and a self-assembled monolayer of 11-mercapto-l-undecanol (11MU) and 11-mercaptoundecanoic acid (11MUA) at 50 mol % each. This study demonstrates that vesicles composed of DEPC and DMPG at 98 and 2 mol %, respectively, formed a supported bilayer with unruptured vesicles present when adsorbed onto the self-assembled monolayer. Also, the partially formed supported bilayer apparently deadsorbed in the presence of 1-butyl-3-methylimidazolium chloride, suggesting that surface—bilayer interactions are weaker on a hydrophilic modified gold surface composed of 50/50 11MU/11MUA than the surface—bilayer interactions on silica.
机译:在二氧化硅,金和自组装的11-巯基-l单分子膜上,对98/2摩尔比的1,2-二癸酰基磷酸胆碱(DEPC)和1,2-二肉豆蔻酰基磷酸甘油(DMPG)进行了石英晶体微天平的耗散测量。 -十一烷醇(11MU)和11-巯基癸酸(11MUA)各自为50摩尔%。这项研究表明,分别由98%和2 mol%的DEPC和DMPG组成的囊泡形成了一个支持的双层,当吸附到自组装单层膜上时存在未破裂的囊泡。同样,在氯化1-丁基-3-甲基咪唑鎓盐的存在下,部分形成的支撑双层明显被吸附,表明由50/50 11MU / 11MUA组成的亲水性修饰金表面的表面-双层相互作用比表面-双层相互作用弱。在二氧化硅上。

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