화학공학소재연구정보센터
Langmuir, Vol.25, No.19, 11236-11238, 2009
Patterned Hybrid Nanohole Array Surfaces for Cell Adhesion and Migration
We report the fabrication of hybrid nanohole array surfaces to study the role of the surface nanoevironment oil cell adhesion and cell migration. We use polystyrene beads and reactive ion etching to control the size and the spacing between nanoholes on a tailored self-assembled monolayer inert gold surface. The arrays were characterized by scanning electron microscopy and brightfield microscopy. For cell adhesion studies, cells were seeded to these substrates to study the effect of ligand spacing on cell spreading, stress fiber formation, and focal adhesion structure and size. Finally, comparative cell migration rates were examined on the various nanohole array surfaces using time-lapse microscopy.