Title
Detection of Physiological Signals Based on Graphene Using a Simple and Low-Cost Method.
Abstract
Despite that graphene has been extensively used in flexible wearable sensors, it remains an unmet need to fabricate a graphene-based sensor by a simple and low-cost method. Here, graphene nanoplatelets (GNPs) are prepared by thermal expansion method, and a sensor is fabricated by sealing of a graphene sheet with polyurethane (PU) medical film. Compared with other graphene-based sensors, it greatly simplifies the fabrication process and enables the effective measurement of signals. The resistance of graphene sheet changes linearly with the deformation of the graphene sensor, which lays a solid foundation for the detection of physiological signals. A signal processing circuit is developed to output the physiological signals in the form of electrical signals. The sensor was used to measure finger bending motion signals, respiration signals and pulse wave signals. All the results demonstrate that the graphene sensor fabricated by the simple and low-cost method is a promising platform for physiological signal measurement.
Year
DOI
Venue
2019
10.3390/s19071656
SENSORS
Keywords
Field
DocType
graphene,thermal expansion,resistance,sensors,physiological signals
Signal processing,Signal,Graphene,Exfoliated graphite nano-platelets,Bending,Electronic engineering,Pulse wave,Engineering,Optoelectronics,Thermal expansion,Fabrication
Journal
Volume
Issue
ISSN
19
7
1424-8220
Citations 
PageRank 
References 
0
0.34
0
Authors
5
Name
Order
Citations
PageRank
Liping Xie116023.74
Xingyu Zi200.34
Qingshi Meng301.01
Zhiwen Liu4357.61
Lisheng Xu517839.09