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Mitsuhiro Ebara, Koichiro Uto, Naokazu Idota, John M. Hoffman and Takao Aoyagi Shape-Memory Surface with Dynamically Tunable Nano-Geometry Activated by Body Heat Advanced Materials 24

Version of Record online: 23 SEP 2011 | DOI: 10.1002/adma.201102181

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Shape-memory surfaces with on-demand, tunable nanopatterns are developed to observe time dependent changes in cell alignment using temperature-responsive poly(ϵ-caprolactone) (PCL) films. Temporary grooved nanopatterns are easily programmed on the films and triggered to transition quickly to permanent surface patterns by the application of body heat. A time-dependent cytoskeleton remodeling is also observed under biologically relevant conditions.

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