Supported lipid bilayer self-spreading on a nanostructured silicon surface

Kazuaki Furukawa, Koji Sumitomo, Hiroshi Nakashima, Yoshiaki Kashimura, Keiichi Torimitsu

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

We report on the self-spreading behavior of a supported lipid bilayer (SLB) on a silicon surface with various 100 nm nanostructures. SLBs have been successfully grown from a small spot of a lipid molecule source both on a flat surface and uneven surfaces with 100 nm up-and-down nanostructures. After an hour, the self-spreading SLB forms a large circle or an ellipse depending on the nanostructure pattern. The results are explained by a model that shows that a single-layer SLB grows along the nanostructured surfaces. The model is further supported by a quantitative analyses of our data. We also discuss the stability of the SLB on nanostructured surfaces in terms of the balance between its bending and adhesion energies.

Original languageEnglish
Pages (from-to)367-371
Number of pages5
JournalLangmuir
Volume23
Issue number2
DOIs
Publication statusPublished - 2007 Jan 16

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

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