Self-assembly of hybrid lipid membranes doped with hydrophobic organic molecules at the water/air interface

研究成果: Article査読

抄録

Because of their unique properties, including an ultrathin thickness (3-4 nm), ultrahigh resistivity, fluidity and self-assembly ability, lipid bilayers can be readily functionalized and have been used in various applications such as bio-sensors and bio-devices. In this study, we introduced a planar organic molecule: copper (II) 2,9,16,23-tetra-tert-butyl-29H,31H-phthalocyanine (CuPc) to dope lipid membranes. The CuPc/lipid hybrid membrane forms at the water/air interface by self-assembly. In this membrane, the hydrophobic CuPc molecules are located between the hydrophobic tails of lipid molecules, forming a lipid/CuPc/lipid sandwich structure. Interestingly, an air-stable hybrid lipid bilayer can be readily formed by transferring the hybrid membrane onto a Si substrate. We report a straightforward method for incorporating nanomaterials into a lipid bilayer system, which represents a new methodology for the fabrication of biosensors and biodevices.

本文言語English
論文番号e60957
ジャーナルJournal of Visualized Experiments
2020
159
DOI
出版ステータスPublished - 2020 5

ASJC Scopus subject areas

  • 神経科学(全般)
  • 化学工学(全般)
  • 生化学、遺伝学、分子生物学(全般)
  • 免疫学および微生物学(全般)

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