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Ultrasensitive Magnetic Field Sensors for Biomedical Applications

Institute of Physics, Mathematics and Information Technology, Immanuel Kant Baltic Federal University, 236041 Kaliningrad, Russia
Faculty of Science and Engineering, University of Plymouth, Plymouth PL4 8AA, UK
National University of Science and Technology, MISiS, 119049 Moscow, Russia
Author to whom correspondence should be addressed.
Sensors 2020, 20(6), 1569;
Received: 10 October 2019 / Revised: 2 March 2020 / Accepted: 6 March 2020 / Published: 11 March 2020
(This article belongs to the Special Issue Magnetic Sensing Technology, Materials and Applications)
The development of magnetic field sensors for biomedical applications primarily focuses on equivalent magnetic noise reduction or overall design improvement in order to make them smaller and cheaper while keeping the required values of a limit of detection. One of the cutting-edge topics today is the use of magnetic field sensors for applications such as magnetocardiography, magnetotomography, magnetomyography, magnetoneurography, or their application in point-of-care devices. This introductory review focuses on modern magnetic field sensors suitable for biomedicine applications from a physical point of view and provides an overview of recent studies in this field. Types of magnetic field sensors include direct current superconducting quantum interference devices, search coil, fluxgate, magnetoelectric, giant magneto-impedance, anisotropic/giant/tunneling magnetoresistance, optically pumped, cavity optomechanical, Hall effect, magnetoelastic, spin wave interferometry, and those based on the behavior of nitrogen-vacancy centers in the atomic lattice of diamond. View Full-Text
Keywords: magnetic field sensors; biosensors; biomagnetic fields; therapeutic application; noninvasive medical procedures; diagnosis magnetic field sensors; biosensors; biomagnetic fields; therapeutic application; noninvasive medical procedures; diagnosis
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Murzin, D.; Mapps, D.J.; Levada, K.; Belyaev, V.; Omelyanchik, A.; Panina, L.; Rodionova, V. Ultrasensitive Magnetic Field Sensors for Biomedical Applications. Sensors 2020, 20, 1569.

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