Spintronic and Magnetic Platforms for Biosensing
A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Physical Sensors".
Deadline for manuscript submissions: closed (30 June 2020) | Viewed by 6480
Special Issue Editor
Interests: spintronics; spin textures; spin transport; magnetization dynamics; spin waves; spin-orbit torques; electrical control of magnetization; advanced magnetic nanofabrication
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Special Issue Information
Dear Colleagues,
In recent years, magnetic platforms have gained interest as a promising reference technology in the field of biosensing, due to their high sensitivity and integrability. The use of magnetic labels for both the manipulation and detection of biological entities—such as biomolecules, pathogens, and cells—is one of the key advantages of magnetic techniques. One of the most utilized magnetic biosensing approaches is based on the use of external magnetic fields to magnetize paramagnetic or superparamagnetic particles and crystals labelling the recognition event between complementary biomolecules on the surface of a magnetic field sensor. Depending on the specific binding scheme and application, different technologies have been employed to detect the magnetic markers, including coils, magnetoresistive devices, Hall effect devices, and various optical and imaging techniques. Magnetic fields can be applied either externally or with integrated microconductors or magnetic micro and nanoconduits, allowing for miniaturization. The possibility to create gradients of magnetic fields enables the use of magnetophoresis in combination with electric or magnetic sensors, giving rise to different detection strategies. In addition, very recently, spintronic biosensors have been used to detect the weak magnetic fields arising from the activity of neurons or cardiac muscle cells in both in vitro and in vivo experiments.
This Special Issue will cover a wide range of topics, including the design, fabrication and characterization of magnetic sensing platforms, physical working principles, modeling and simulation, and new biological applications.
Prof. Daniela Petti
Guest Editor
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Keywords
- magnetic particles
- magnetoresistive sensors
- Hall effect sensors
- magneto-optical sensors
- SQUID sensors
- NEMS- and MEMS-based magnetic sensors
- magnetophoresis
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