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Sensors 2014, 14(12), 23781-23802; doi:10.3390/s141223781

A Bio-Hybrid Tactile Sensor Incorporating Living Artificial Skin and an Impedance Sensing Array

1
School of Engineering, Lancaster University, Lancaster LA1 4YW, UK
2
The BioRobotics Institute, Scuola Superiore Sant'Anna, Polo Sant'Anna Valdera, Viale Rinaldo Piaggio 34, Pontedera 56025, PI, Italy
3
School of Mechanical Engineering, Birmingham University, Birmingham B15 2TT, UK
4
School of Chemical Engineering, Birmingham University, Birmingham B15 2TT, UK
*
Authors to whom correspondence should be addressed.
Received: 20 October 2014 / Revised: 27 November 2014 / Accepted: 2 December 2014 / Published: 10 December 2014
(This article belongs to the Section Physical Sensors)
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Abstract

The development of a bio-hybrid tactile sensor array that incorporates a skin analogue comprised of alginate encapsulated fibroblasts is described. The electrical properties are modulated by mechanical stress induced during contact, and changes are detected by a ten-channel dual-electrode impedance sensing array. By continuously monitoring the impedance of the sensor array at a fixed frequency, whilst normal and tangential loads are applied to the skin surface, transient mechanotransduction has been observed. The results demonstrate the effectiveness and feasibility of the preliminary prototype bio-hybrid tactile sensor. View Full-Text
Keywords: bio-hybrid sensors; bioimpedance; haptics; tactile sensors; artificial touch; artificial skin; microfluidics bio-hybrid sensors; bioimpedance; haptics; tactile sensors; artificial touch; artificial skin; microfluidics
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Cheneler, D.; Buselli, E.; Camboni, D.; Anthony, C.; Grover, L.; Adams, M.J.; Oddo, C.M. A Bio-Hybrid Tactile Sensor Incorporating Living Artificial Skin and an Impedance Sensing Array. Sensors 2014, 14, 23781-23802.

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