With soft micro- and nanopatterned materials becoming increasingly useful for various, optical, mechanical, electronic, microfluidic, and optofluidic devices, the extension of this paradigm to a pure protein-based material substrate provides entirely new options for such devices. Silk fibroin combines the properties of an ideal nanoimprint resist with superior optical quality and biocompatibility making it a new technology platform that seamlessly combines nanophotonics, biopolymeric, and biocompatible materials.
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