Conformable amplified lead zirconate titanate sensors with enhanced piezoelectric response for cutaneous pressure monitoring

Canan Dagdeviren; Yewang Su; Pauline Joe; Raissa Yona; Yuhao Liu; Yun Soung Kim; Yongan Huang; Anoop R. Damadoran; Jing Xia; Lane W. Martin; Yonggang Huang; John A. Rogers

doi:10.1038/ncomms5496

Conformable amplified lead zirconate titanate sensors with enhanced piezoelectric response for cutaneous pressure monitoring

Canan Dagdeviren, Yewang Su, Pauline Joe, Raissa Yona, Yuhao Liu, Yun Soung Kim, Yongan Huang, Anoop R. Damadoran, Jing Xia, Lane W. Martin, Yonggang Huang, John A. Rogers

Research output: Contribution to journal › Article › peer-review

686 Scopus citations

Abstract

The ability to measure subtle changes in arterial pressure using devices mounted on the skin can be valuable for monitoring vital signs in emergency care, detecting the early onset of cardiovascular disease and continuously assessing health status. Conventional technologies are well suited for use in traditional clinical settings, but cannot be easily adapted for sustained use during daily activities. Here we introduce a conformal device that avoids these limitations. Ultrathin inorganic piezoelectric and semiconductor materials on elastomer substrates enable amplified, low hysteresis measurements of pressure on the skin, with high levels of sensitivity (∼0.005Pa) and fast response times (∼0.1ms). Experimental and theoretical studies reveal enhanced piezoelectric responses in lead zirconate titanate that follow from integration on soft supports as well as engineering behaviours of the associated devices. Calibrated measurements of pressure variations of blood flow in near-surface arteries demonstrate capabilities for measuring radial artery augmentation index and pulse pressure velocity.

Original language	English (US)
Article number	4496
Journal	Nature communications
Volume	5
DOIs	https://doi.org/10.1038/ncomms5496
State	Published - Aug 5 2014

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Physics and Astronomy(all)
Chemistry(all)
Biochemistry, Genetics and Molecular Biology(all)

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title = "Conformable amplified lead zirconate titanate sensors with enhanced piezoelectric response for cutaneous pressure monitoring",

abstract = "The ability to measure subtle changes in arterial pressure using devices mounted on the skin can be valuable for monitoring vital signs in emergency care, detecting the early onset of cardiovascular disease and continuously assessing health status. Conventional technologies are well suited for use in traditional clinical settings, but cannot be easily adapted for sustained use during daily activities. Here we introduce a conformal device that avoids these limitations. Ultrathin inorganic piezoelectric and semiconductor materials on elastomer substrates enable amplified, low hysteresis measurements of pressure on the skin, with high levels of sensitivity (∼0.005Pa) and fast response times (∼0.1ms). Experimental and theoretical studies reveal enhanced piezoelectric responses in lead zirconate titanate that follow from integration on soft supports as well as engineering behaviours of the associated devices. Calibrated measurements of pressure variations of blood flow in near-surface arteries demonstrate capabilities for measuring radial artery augmentation index and pulse pressure velocity.",

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note = "Funding Information: and L.W.M. acknowledge support for their inputs on device modeling from the National Science Foundation under grant DMR-1149062. We thank Tony Banks for assisting to set up electrical connections of the semiconductor parameter analyser (HP 4155C, Agilent). C.D. thanks H.E. Dagdeviren for useful medical discussions. Funding Information: This work was supported by the U.S. Department of Energy, Office of Science, Basic Energy Sciences, under Award no. DE-FG02-07ER46471, through the Frederick Seitz Materials Research Laboratory at the University of Illinois at Urbana-Champaign. A.R.D.",

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AU - Su, Yewang

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AU - Liu, Yuhao

AU - Kim, Yun Soung

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AU - Damadoran, Anoop R.

AU - Xia, Jing

AU - Martin, Lane W.

AU - Huang, Yonggang

AU - Rogers, John A.

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Conformable amplified lead zirconate titanate sensors with enhanced piezoelectric response for cutaneous pressure monitoring

Abstract

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