Epidermal impedance sensing sheets for precision hydration assessment and spatial mapping

Xian Huang, Huanyu Cheng, Kaile Chen, Yilin Zhang, Yihui Zhang, Yuhao Liu, Chenqi Zhu, Shao Chi Ouyang, Gil Woo Kong, Cunjiang Yu, Yonggang Huang, John A. Rogers*

*Corresponding author for this work

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

This paper presents a class of hydration monitor that uses ultrathin, stretchable sheets with arrays of embedded impedance sensors for precise measurement and spatially multiplexed mapping. The devices contain miniaturized capacitive electrodes arranged in a matrix format, capable of integration with skin in a conformal, intimate manner due to the overall skin-like physical properties. These 'epidermal' systems noninvasively quantify regional variations in skin hydration, at uniform or variable skin depths. Experimental results demonstrate that the devices possess excellent uniformity, with favorable precision and accuracy. Theoretical models capture the underlying physics of the measurement and enable quantitative interpretation of the experimental results. These devices are appealing for applications ranging from skin care and dermatology, to cosmetology and health/wellness monitoring, with the additional potential for combined use with other classes of sensors for comprehensive, quantitative physiological assessment via the skin.

Original languageEnglish (US)
Article number6522468
Pages (from-to)2848-2857
Number of pages10
JournalIEEE Transactions on Biomedical Engineering
Volume60
Issue number10
DOIs
StatePublished - Sep 30 2013

Fingerprint

Hydration
Skin
Dermatology
Sensors
Physics
Physical properties
Health
Electrodes
Monitoring

Keywords

  • Depth profiling
  • epidermal electronics
  • hydration sensing
  • multiplexing
  • spatial mapping

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

Huang, Xian ; Cheng, Huanyu ; Chen, Kaile ; Zhang, Yilin ; Zhang, Yihui ; Liu, Yuhao ; Zhu, Chenqi ; Ouyang, Shao Chi ; Kong, Gil Woo ; Yu, Cunjiang ; Huang, Yonggang ; Rogers, John A. / Epidermal impedance sensing sheets for precision hydration assessment and spatial mapping. In: IEEE Transactions on Biomedical Engineering. 2013 ; Vol. 60, No. 10. pp. 2848-2857.
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Huang, X, Cheng, H, Chen, K, Zhang, Y, Zhang, Y, Liu, Y, Zhu, C, Ouyang, SC, Kong, GW, Yu, C, Huang, Y & Rogers, JA 2013, 'Epidermal impedance sensing sheets for precision hydration assessment and spatial mapping', IEEE Transactions on Biomedical Engineering, vol. 60, no. 10, 6522468, pp. 2848-2857. https://doi.org/10.1109/TBME.2013.2264879

Epidermal impedance sensing sheets for precision hydration assessment and spatial mapping. / Huang, Xian; Cheng, Huanyu; Chen, Kaile; Zhang, Yilin; Zhang, Yihui; Liu, Yuhao; Zhu, Chenqi; Ouyang, Shao Chi; Kong, Gil Woo; Yu, Cunjiang; Huang, Yonggang; Rogers, John A.

In: IEEE Transactions on Biomedical Engineering, Vol. 60, No. 10, 6522468, 30.09.2013, p. 2848-2857.

Research output: Contribution to journalArticle

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AU - Liu, Yuhao

AU - Zhu, Chenqi

AU - Ouyang, Shao Chi

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AU - Huang, Yonggang

AU - Rogers, John A.

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