Volume 94 Issue 16 | p. 8 | News of The Week
Issue Date: April 18, 2016

Paper sensor measures respiration rate

Device, which detects transient differences in moisture in inhaled and exhaled air, could help characterize sleep apnea
Department: Science & Technology
News Channels: Analytical SCENE, Materials SCENE
Keywords: diagnostics

To diagnose conditions such as sleep apnea, doctors monitor patients’ respiration rates with devices that can be cumbersome and expensive. George M. Whitesides and coworkers at Harvard University have now developed an inexpensive, lightweight paper-based alternative (Angew. Chem. Int. Ed. 2016, DOI: 10.1002/anie.201511805).

To make the device, the researchers print graphite electrodes on paper, which they incorporate into a cloth surgical mask. When the paper absorbs water, the conductivity of . . .

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