Graphene-based inline pressure sensor integrated with microfluidic elastic tube

We propose an inline pressure sensor composed of a polydimethylsiloxane (PDMS) microfluidic tube integrated with graphene sheets. The PDMS tube was fabricated through molding, and a multilayered graphene sheet was transferred on the surface of the PDMS tube. The pressure inside the tube was monitore...

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Bibliographic Details
Published in:Journal of micromechanics and microengineering 2018-01, Vol.28 (1), p.14001
Main Authors: Inoue, Nagisa, Onoe, Hiroaki
Format: Article
Language:English
Subjects:
elastic tube
graphene
microfluidics
pressure sensor
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Summary:We propose an inline pressure sensor composed of a polydimethylsiloxane (PDMS) microfluidic tube integrated with graphene sheets. The PDMS tube was fabricated through molding, and a multilayered graphene sheet was transferred on the surface of the PDMS tube. The pressure inside the tube was monitored using the changes in the electrical resistance of the transferred graphene. The proposed pressure sensor could be suitable for precise pressure measurement for a small amount of fluid in microfluidic systems including organ-on-a-chip devices.
ISSN:0960-1317
1361-6439
DOI:10.1088/1361-6439/aa9810