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      Stretchable silicon nanoribbon electronics for skin prosthesis.

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          Abstract

          Sensory receptors in human skin transmit a wealth of tactile and thermal signals from external environments to the brain. Despite advances in our understanding of mechano- and thermosensation, replication of these unique sensory characteristics in artificial skin and prosthetics remains challenging. Recent efforts to develop smart prosthetics, which exploit rigid and/or semi-flexible pressure, strain and temperature sensors, provide promising routes for sensor-laden bionic systems, but with limited stretchability, detection range and spatio-temporal resolution. Here we demonstrate smart prosthetic skin instrumented with ultrathin, single crystalline silicon nanoribbon strain, pressure and temperature sensor arrays as well as associated humidity sensors, electroresistive heaters and stretchable multi-electrode arrays for nerve stimulation. This collection of stretchable sensors and actuators facilitate highly localized mechanical and thermal skin-like perception in response to external stimuli, thus providing unique opportunities for emerging classes of prostheses and peripheral nervous system interface technologies.

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          Author and article information

          Journal
          Nat Commun
          Nature communications
          Springer Science and Business Media LLC
          2041-1723
          2041-1723
          Dec 09 2014
          : 5
          Affiliations
          [1 ] 1] Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 151-742, Korea [2] School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 151-742, Korea.
          [2 ] 1] Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 151-742, Korea [2] Interdisciplinary Program for Bioengineering, Seoul National University, Seoul 151-742, Korea.
          [3 ] MC10 Inc., 9 Camp Street, Cambridge, Massachusetts 02140, USA.
          [4 ] 1] Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 151-742, Korea [2] Department of Radiology, Seoul National University College of Medicine, Seoul 110-744, Korea.
          [5 ] Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.
          [6 ] Department of Neurology, Seoul National University Hospital, Seoul 110-744, Korea.
          [7 ] School of Mechanical Engineering, Pusan National University, Busan 609-735, Korea.
          [8 ] 1] Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 151-742, Korea [2] School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 151-742, Korea [3] Interdisciplinary Program for Bioengineering, Seoul National University, Seoul 151-742, Korea.
          Article
          ncomms6747
          10.1038/ncomms6747
          25490072
          423b7bb8-6a01-4730-bc07-bd6dd3b0161e
          History

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