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Communication

Integrated Magnetohydrodynamic Pump with Magnetic Composite Substrate and Laser-Induced Graphene Electrodes

1
Division of Physical Science and Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
2
Department of Automatic Control and Systems Engineering, The University of Sheffield, Sheffield S1 3JD, UK
3
Silicon Austria Labs GmbH, Sensor Systems, Europastraße 12, 9524 Villach, Austria
*
Author to whom correspondence should be addressed.
Academic Editor: Lech Sznitko
Polymers 2021, 13(7), 1113; https://doi.org/10.3390/polym13071113
Received: 26 February 2021 / Revised: 25 March 2021 / Accepted: 26 March 2021 / Published: 1 April 2021
(This article belongs to the Special Issue Polymers and Lasers – Processing, Development and Applications)
An integrated polymer-based magnetohydrodynamic (MHD) pump that can actuate saline fluids in closed-channel devices is presented. MHD pumps are attractive for lab-on-chip applications, due to their ability to provide high propulsive force without any moving parts. Unlike other MHD devices, a high level of integration is demonstrated by incorporating both laser-induced graphene (LIG) electrodes as well as a NdFeB magnetic-flux source in the NdFeB-polydimethylsiloxane permanent magnetic composite substrate. The effects of transferring the LIG film from polyimide to the magnetic composite substrate were studied. Operation of the integrated magneto hydrodynamic pump without disruptive bubbles was achieved. In the studied case, the pump produces a flow rate of 28.1 µL/min. while consuming ~1 mW power. View Full-Text
Keywords: polyimide (PI); polydimethylsiloxane (PDMS); magnetohydrodynamic pump; lab on chip; microfluidics; magnetic composite; laser-induced graphene (LIG) polyimide (PI); polydimethylsiloxane (PDMS); magnetohydrodynamic pump; lab on chip; microfluidics; magnetic composite; laser-induced graphene (LIG)
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MDPI and ACS Style

Khan, M.A.; Kosel, J. Integrated Magnetohydrodynamic Pump with Magnetic Composite Substrate and Laser-Induced Graphene Electrodes. Polymers 2021, 13, 1113. https://doi.org/10.3390/polym13071113

AMA Style

Khan MA, Kosel J. Integrated Magnetohydrodynamic Pump with Magnetic Composite Substrate and Laser-Induced Graphene Electrodes. Polymers. 2021; 13(7):1113. https://doi.org/10.3390/polym13071113

Chicago/Turabian Style

Khan, Mohammed A., and Jürgen Kosel. 2021. "Integrated Magnetohydrodynamic Pump with Magnetic Composite Substrate and Laser-Induced Graphene Electrodes" Polymers 13, no. 7: 1113. https://doi.org/10.3390/polym13071113

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