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Complex dynamic substrate control: dual-tone hydrogel photoresists allow double-dissociation of topography and modulus.


ABSTRACT: Complex substrate control is demonstrated with a dual-tone hydrogel photoresist. By exposing a photodegradable hydrogel to UV light through a photomask, both swollen and eroded micropatterns with a decreased modulus can be created on the surface under different exposure conditions. This provides an important tool for investigating the synergistic effects of spatially heterogeneous mechanical and topological cues on cell behavior.

SUBMITTER: Xue C 

PROVIDER: S-EPMC4198300 | biostudies-literature | 2014 Mar

REPOSITORIES: biostudies-literature

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Complex dynamic substrate control: dual-tone hydrogel photoresists allow double-dissociation of topography and modulus.

Xue Changying C   Wong Darice Y DY   Kasko Andrea M AM  

Advanced materials (Deerfield Beach, Fla.) 20131212 10


Complex substrate control is demonstrated with a dual-tone hydrogel photoresist. By exposing a photodegradable hydrogel to UV light through a photomask, both swollen and eroded micropatterns with a decreased modulus can be created on the surface under different exposure conditions. This provides an important tool for investigating the synergistic effects of spatially heterogeneous mechanical and topological cues on cell behavior. ...[more]

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