Abstract:Transparent substrates having heterogeneities ranging from nanometer to micrometer lateral length scale were fabricated to study cell migration. The surfaces were generated using thin films of block copolymers and homopolymer blends on ultra smooth transparent polyethylene terephthalate films. Results show that the lateral size scale of the surface heterogeneities affects fibroblast (NIH-3T3) adhesion, spreading and motility. More specifically, fibroblasts migrate faster on micron-sized than on nanometer-sized… Show more
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