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Application of carbon nanotubes to human breath dynamics characterization

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3 Author(s)
Hou, Zhongyu ; National Key Laboratory of Micro/Nano Fabrication Technology, Key Laboratory for Thin Film and Microfabrication of Ministry of Education, Research Institute of Micro and Nano Science and Technology, Shanghai Jiaotong University, Shanghai 200030, China ; Bingchu Cai ; Dong Xu

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The carbon nanotube composite material and its fabrication techniques are introduced to construct a chip-based electrode system for human breath dynamics characterization. The application of 10 V dc bias can generate electric field high enough to effectively collect the charged particles in the human breath. Without using breath collecting tubes, the field tests in the open air exhibit that the system is technologically promising for long-time and noncontact human breath dynamics monitoring, due to its high stability, sensitivity, and safety operation performance with power consumption in the order of 10-5 W.

Published in:

Applied Physics Letters  (Volume:89 ,  Issue: 5 )