Journal
JOURNAL OF MEDICAL AND BIOLOGICAL ENGINEERING
Volume 36, Issue 2, Pages 265-272Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s40846-016-0129-9
Keywords
Capacitor sensor; Liquid metal; Flexible surface; Electronic skin; Painted electronics
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Funding
- China Postdoctoral Science Foundation [2015T80099]
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Flexible biosensors have become increasingly important in a variety of emerging healthcare applications. Many efforts have been made to obtain stretchable and highly conductive biomaterials, most of which are based on gold or silver nanoparticles. However, such materials have a number of disadvantages. This study proposes flexible capacitor sensors based on 3M VHB 4905 tape and GaInSn and designs a wearable biosensor monitoring device that uses the CAV444 chip. The system exhibits highly linear response to stretching, rotation, and pressure. The practical applications of these sensors are explored, such as measuring the motion angle of the wrist and finger joint and responses to pressure. The proposed flexible capacitor sensors have many potential biomedical applications, such as parameter measurement, accident alert, electronic skin, motion feedback, and remote control.
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