Journal
ADVANCED HEALTHCARE MATERIALS
Volume 6, Issue 19, Pages -Publisher
WILEY
DOI: 10.1002/adhm.201700552
Keywords
electrophysiology; poly(3,4-ethylenedioxythiophene) polystyrene sulfonate; printing; stretchable dry electrodes
Funding
- NextFlex grant [042299]
- National Science Foundation Division of Civil, Mechanical and Manufacturing Innovation [1635729]
- IBM PhD fellowship
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1635729] Funding Source: National Science Foundation
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The multichannel concentric-ring electrodes are stencil printed on stretchable elastomers modified to improve adhesion to skin and minimize motion artifacts for electrophysiological recordings of electroencephalography, electromyography, and electrocardiography. These dry electrodes with a poly(3,4-ethylenedioxythiophene) polystyrene sulfonate interface layer are optimized to show lower noise level than that of commercial gel disc electrodes. The concentric ring geometry enables Laplacian filtering to pinpoint the bioelectric potential source with spatial resolution determined by the ring distance. This work shows a new fabrication approach to integrate and create designs that enhance spatial resolution for high-quality electrophysiology monitoring devices.
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