Journal Article Research Support, U.S. Gov't, Non-P.H.S. Research Support, Non-U.S. Gov't acellular dermal matrix actuation breast reconstruction building energy saving directional buckling expansile kirigami gold nanorods guided folding kirigami liquid crystals mechanical metamaterials micro-channels natural and conformal shaping nematic liquid crystal elastomers patterning topological defects self-assembly surface plasmon resonance templating topological defects