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Strain and pressure gauges from tough, conducting and edible hydrogels

Journal Article


Abstract


  • The development of highly conductive, robust edible hydrogels was investigated using a combination of the biopolymers gellan gum and gelatin, a common salt (NaCl) and plant-derived cross-linker (genipin). Robust strain gauge/pressure sensors were developed using edible materials to demonstrate the potential of these hydrogels. The hydrogels exhibited gauge factor and pressure sensitivity values of 7.6 ± 0.1 and 400 ± 7 μΩ/Pa for loads up to 3 kPa, respectively. Furthermore, these devices were able to operate under larger loads with gauge factor and pressure sensitivity values of 0.308 ± 0.002 and 7.17 ± 0.05 μΩ/Pa, respectively, for loads between 9 kPa and 280 kPa.

Authors


  •   Keller, Alexander (external author)
  •   Benz, Dominik (external author)
  •   in het Panhuis, Marc

Publication Date


  • 2015

Citation


  • Keller, A., Benz, D. & in het Panhuis, M. (2015). Strain and pressure gauges from tough, conducting and edible hydrogels. MRS Online Proceedings, 1795 27-32.

Scopus Eid


  • 2-s2.0-84985945952

Ro Metadata Url


  • http://ro.uow.edu.au/smhpapers/4107

Number Of Pages


  • 5

Start Page


  • 27

End Page


  • 32

Volume


  • 1795

Abstract


  • The development of highly conductive, robust edible hydrogels was investigated using a combination of the biopolymers gellan gum and gelatin, a common salt (NaCl) and plant-derived cross-linker (genipin). Robust strain gauge/pressure sensors were developed using edible materials to demonstrate the potential of these hydrogels. The hydrogels exhibited gauge factor and pressure sensitivity values of 7.6 ± 0.1 and 400 ± 7 μΩ/Pa for loads up to 3 kPa, respectively. Furthermore, these devices were able to operate under larger loads with gauge factor and pressure sensitivity values of 0.308 ± 0.002 and 7.17 ± 0.05 μΩ/Pa, respectively, for loads between 9 kPa and 280 kPa.

Authors


  •   Keller, Alexander (external author)
  •   Benz, Dominik (external author)
  •   in het Panhuis, Marc

Publication Date


  • 2015

Citation


  • Keller, A., Benz, D. & in het Panhuis, M. (2015). Strain and pressure gauges from tough, conducting and edible hydrogels. MRS Online Proceedings, 1795 27-32.

Scopus Eid


  • 2-s2.0-84985945952

Ro Metadata Url


  • http://ro.uow.edu.au/smhpapers/4107

Number Of Pages


  • 5

Start Page


  • 27

End Page


  • 32

Volume


  • 1795