The DOI matches its Crossref record; 28 of the 28 references it cites were found in a registry or an index.
Advances in Giant Magnetoresistance Biosensors With Magnetic Nanoparticle Tags: Review and Outlook
Abstract
We present a review of giant magnetoresistance (GMR) spin valve sensors designed for detection of magnetic nanoparticles as biomolecular labels (nanotags) in magneto-nano biodetection technology. We discuss the intricacy of magneto-nano biosensor design and show that as few as approximately 14 monodisperse 16-nm superparamagnetic nanoparticles can be detected by submicron spin valve sensors at room temperature without resorting to lock-in (narrow band) detection. GMR biosensors and biochips have been successfully applied to the detection of biological events in the form of both protein and DNA assays with great speed, sensitivity, selectivity, and economy. The limit of molecular detection is well below 10 pM in concentration, and the protein or DNA assay time can be under two hours. The technology is highly scalable to deep multiplex detection of biomarkers in a complex disease, and amenable to integration of microfluidics and CMOS electronics for portable applications. On-chip CMOS circuitry makes a sensor density of 0.1-1 million sensors per square centimeter feasible and affordable. The theoretical and experimental results thus far suggest that magneto-nano biochip-based GMR sensor arrays and nanotags hold great promise in biomedicine, particularly for point-of-care molecular diagnostics of cancer, infectious diseases, radiation injury, cardiac diseases, and other diseases.
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Cites
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Cited by
Point of Care Diagnostics: Status and Future
Gubala, V., Harris, L. F., Ricco, A. J., Tan, M. X., & Williams, D. E. (2012) · Analytical Chemistry · doi:10.1021/ac2030199 · Cited by 1,194
Nanomaterials for biosensing applications: a review
Holzinger, M., Le Goff, A., & Cosnier, S. (2014) · Frontiers in Chemistry · doi:10.3389/fchem.2014.00063 · Cited by 1,066
Magnetic sensors-A review and recent technologies
Khan, M. A., Sun, J., Li, B., Przybysz, A., & Kosel, J. (2021) · Engineering Research Express · doi:10.1088/2631-8695/ac0838 · Cited by 315
Magnetoresistive Sensor Development Roadmap (Non-Recording Applications)
Zheng, C., Zhu, K., Cardoso de Freitas, S., Chang, J.-Y., Davies, J. E., Eames, P., Freitas, P. P., Kazakova, O., Kim, C., Leung, C.-W., et al. (2019) · IEEE Transactions on Magnetics · doi:10.1109/tmag.2019.2896036 · Cited by 268
Self-citationYang, L., Patel, K. D., Rathnam, C., Thangam, R., Hou, Y., Kang, H., & Lee, K. (2022) · Small · doi:10.1002/smll.202104783 · Cited by 81
Metadata
- Authors
- Wang, S. X., & Li, G.
- Venue
- IEEE Transactions on Magnetics
- Published
- 2008-07
- Volume
- 44
- Issue
- 7
- Pages
- 1687-1702
- ISSN
- 0018-9464 (ISSN-L)
- OpenAlex
- W2162698868
- Cited by
- 340
- References
- 28
- FWCI
- 15.99
- Type
- journal article
- Language
- en
- Open access
- closed
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