Abstract:
:Flexible, wearable sensing devices can yield important information about the underlying physiology of a human subject for applications in real-time health and fitness monitoring. Despite significant progress in the fabrication of flexible biosensors that naturally comply with the epidermis, most designs measure only a small number of physical or electrophysiological parameters, and neglect the rich chemical information available from biomarkers. Here, we introduce a skin-worn wearable hybrid sensing system that offers simultaneous real-time monitoring of a biochemical (lactate) and an electrophysiological signal (electrocardiogram), for more comprehensive fitness monitoring than from physical or electrophysiological sensors alone. The two sensing modalities, comprising a three-electrode amperometric lactate biosensor and a bipolar electrocardiogram sensor, are co-fabricated on a flexible substrate and mounted on the skin. Human experiments reveal that physiochemistry and electrophysiology can be measured simultaneously with negligible cross-talk, enabling a new class of hybrid sensing devices.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Imani S,Bandodkar AJ,Mohan AM,Kumar R,Yu S,Wang J,Mercier PPdoi
10.1038/ncomms11650subject
Has Abstractpub_date
2016-05-23 00:00:00pages
11650issn
2041-1723pii
ncomms11650journal_volume
7pub_type
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