A Low-Field Portable Nuclear Magnetic Resonance (NMR) Microfluidic Flowmeter

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A Low-Field Portable Nuclear Magnetic Resonance (NMR) Microfluidic Flowmeter

Conference Paper (2021)

Author(s)

Eren Aydin (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Kofi A.A. Makinwa (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Research Group

Electronic Instrumentation

NMR Microfluidics Flowmeter Analog front-end Low noise transceiver

DOI related publication

https://doi.org/10.1109/Transducers50396.2021.9495479 Final published version

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https://resolver.tudelft.nl/uuid:91243231-9d1d-480d-9a40-0227e923bef0

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Publication Year

2021

Language

English

Research Group

Electronic Instrumentation

Article number

9495479

Pages (from-to)

1020-1023

ISBN (print)

978-1-6654-4845-1

ISBN (electronic)

978-1-6654-1267-4

Event

2021 21st International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers) (2021-06-20 - 2021-06-24), Virtual at Orlando, United States

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Abstract

This paper presents a portable and contactless microfluidic flowmeter based on the Nuclear Magnetic Resonance (NMR) principle, which can measure flow rates up to 2.7 ml/min with \pm 16\ lmin (±0.6% full-scale) error. It consists of a millimeter-size RF coil wound around a microfluidic channel, custom readout electronics and a 0.5 T permanent magnet with 50 ppm inhomogeneity. To our knowledge, this is the first reported low-field NMR microfluidic flowmeter.

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