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Highly stretchable and bio-based sensors for sensitive strain detection of angular displacements

  • Jieyu Huang
  • Dawei Li
  • Min Zhao
  • Pengfei Lv
  • Lucian Lucia
  • Qufu WeiEmail author
Original Research


Flexible and electrically conductive hydrogels were fabricated by incorporating carboxylic multiwall carbon nanotubes (c-MWCNTs) into bacterial cellulose (BC) membranes by electrostatic self-assembly using bovine serum albumin (BSA). A piezoresistive strain sensor assembled by c-MWCNTs/BSA/BC hydrogel exhibited 70% stretchability and excellent cycling stability. It was able to accurately detect diverse large-scale human motions, including finger knuckle, wrist bending, knee joint, and elbow joint. The eco-friendly BC provided an inexpensive and renewable substrate for flexible strain sensors.

Graphical abstract


Bacterial cellulose Relative resistance change Strain sensors Angular displacements Human motion detection 



This research was financially supported by the national first-class discipline program of Light Industry Technology and Engineering (LITE2018-21), the Natural Science Foundation of Jiangsu Province (BK20180628), the National Science Foundation of China (51803078), 111 Project (B17021), the Fundamental Research Funds for the Central Universities (JUSRP11701), the Priority Academic Program Development of Jiangsu Higher Education Institutions, Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (PPZY2015B147).

Supplementary material

10570_2019_2313_MOESM1_ESM.rar (97 kb)
Supplementary material 1 (RAR 96 kb)


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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.Key Laboratory of Eco-TextilesJiangnan UniversityWuxiChina
  2. 2.Fiber and Polymer Science ProgramNorth Carolina State UniversityRaleighUSA
  3. 3.Fujian Key Laboratory of Novel Functional Textile Fibers and MaterialsMinjiang UniversityFuzhouChina

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