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Various physiologic monitoring devices are used to follow people outside of a medical setting. However, most such “home” monitoring devices are bulky, unpleasant to use for extended periods of time, and incompatible with some activities of daily living. Therefore, bioengineers are developing devices that unobtrusively and continuously monitor human physiology. Microsensors can be placed in thin strips that stick to the skin (NEJM JW Gen Med Oct 15 2011 and Science 2011; 333:838), and data from such microsensors can be merged with data entered on smartphones to help manage and study diseases like diabetes (NEJM JW Gen Med Mar 1 2016 and Cell 2015; 163:1079).
A team from Texas reports developing “graphene electronic tattoos:” Graphene is a hex…