Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 10, Issue 37, Pages 31061-31068Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.8b11020
Keywords
epidermal electronics; implantable electronics; reinforced electronic skin; electrophysiological monitoring; omniphobic R-F paper
Funding
- Purdue University
- Procter Gamble [209621]
- Ross Fellowship program at Purdue University
- Alfonso Martin Escudero Foundation
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Traditional manufacturing methods and materials used to fabricate epidermal electronics for physiological monitoring, transdermal stimulation, and therapeutics are complex and expensive, preventing their adoption as single-use medical devices. This work describes the fabrication of epidermal, paper-based electronic devices (EPEDs) for wearable and implantable applications by combining the spray-based deposition of silanizing agents, highly conductive nanoparticles, and encapsulating polymers with laser micromachining. EPEDs are inexpensive, stretchable, easy to apply, and disposable by burning. The omniphobic character and fibrous structure of EPEDs make them breathable, mechanically stable upon stretching, and facilitate their use as electrophysiological sensors to record electrocardiograms, electromyograms, and electrooculograms, even under water. EPEDs can also be used to provide thermotherapeutic treatments to joints, map temperature spatially, and as wirelessly powered implantable devices for stimulation and therapeutics. This work makes epidermal electronic devices accessible to high throughput manufacturing technologies and will enable the fabrication of a variety of wearable medical devices at a low cost.
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