Morphological stability of worm-like vesicles consisting of amphiphilic diblock copolymer against external stress
作者: Eri Yoshida
刊名: Chemical Reports, 2019, Vol.1 (2)
来源数据库: SyncSci Publishing
DOI: 10.25082/CR.2019.02.006
关键词: Morphological stabilityExternal stressesWorm-like vesiclesSpherical vesiclesAmphiphilicdiblock copolymerPolyamine
原始语种摘要: The morphological stability of vesicles consisting of an amphiphilic poly(methacrylic acid)-block-poly(methyl methacrylate-random-methacrylic acid) diblock copolymer, PMAA-b-P(MMA-r-MAA),was investigated against the external stresses of pH, salt concentration and polyamine. The worm-like vesiclesunderwent a partial fusion at pH 12, however, they retained the worm-like shape at pH 13 due to electrostaticrepulsion. On the other hand, the spherical vesicles were completely fused at pH 12, transformed into a sheetand did not retain their shape under the higher basic condition. Similarly, the worm-like vesicles retained theirmorphology in 0.1 mol% solutions of sodium chloride and sodium dodecyl sulfate, while the spherical vesi-cles caused division and fusion even at much lower concentrations....
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  • copolymer 共聚物
  • amphiphilic 两亲的
  • methacrylate 甲基丙烯酸酯
  • poly 
  • stability 稳定性
  • carboxylic 类羧酸的
  • interaction 相互酌
  • against 反对
  • amine 
  • block 滑车