Abstract
A highly integrated, palm-top sized radiofrequency Magnetic Resonance Relaxometry System (19cm x 16cm x 5cm, weigh 250g) is developed. In this work, we show strategy on how to integrate all the modules into a single mother board which consists of coin-sized permanent magnet, miniaturized radio-frequency microcoil probe, compact lumped-circuit duplexer, and single board 4-Watt power amplifier, in which a FPGA-based spectrometer is used for pulse excitation, signal acquisition and data processing. We demonstrated that by measuring the proton transverse relaxation rates from a large pool of natural abundance proton-nuclei presence in less than 1 μL of red blood cells, one can indirectly deduce the relative magnetic susceptibility of the bulk cells within a few minutes of signal acquisition time.
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© 2014 Springer International Publishing Switzerland
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Vo, N.N., Chen, L., Liu, X., Peng, W.K., Ming, Z.Y., Han, J. (2014). Highly Integrated, Low Cost, Palm-Top Sized Magnetic Resonance Relaxometry System for Rapid Blood Screening. In: Goh, J. (eds) The 15th International Conference on Biomedical Engineering. IFMBE Proceedings, vol 43. Springer, Cham. https://doi.org/10.1007/978-3-319-02913-9_142
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DOI: https://doi.org/10.1007/978-3-319-02913-9_142
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-02912-2
Online ISBN: 978-3-319-02913-9
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