Journal
ADVANCED MATERIALS
Volume 32, Issue 28, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202001258
Keywords
colorimetric sensors; distributed sensing; screen-printing; wearable interfaces
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Funding
- U.S. Army Combat Capabilities Development Command [W911QY-15-2-0001]
- Office of Naval Research [N00014-13-1-0596]
- Stavros Niarchos Foundation (SNF)
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Wearable interfaces are central to multiple healthcare and wellness strategies encompassing diet and nutrition, personalized health monitoring, and performance optimization. Specifically, the advent of flexible electronic formats coupled with microfluidic interfaces has resulted in sophisticated conformal devices for biofluid sampling and quantification. Here, a complementary approach is presented to wearable sensing by using a large-scale, conformal, distributed format that relies on the use of biomaterial-based inks to print and stabilize deterministic patterns of biochemical reporters with high resolution. Colorimetric devices can vary in size and a sensing T-shirt based on a colorimetric pattern is developed to illustrate the utility that such formats can add to the wearable interface space. Image analysis allows parameter variation to be tracked in real-time, yielding a map-like format of distributed biophysical response.
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