In situ detection of single micron-sized magnetic beads using magnetic tunnel junction sensors

Applied Physics Letters

Volumn 86, Issue 25, 2005, Pages 1-3

  Shen, Weifeng ^a   Liu, Xiaoyong ^a,b   Mazumdar, Dipanjan ^a   Xiao, Gang ^a  

^a BROWN UNIVERSITY   (United States)

^b Micro Magnetics Inc   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BIOMOLECULAR DETECTION; MAGNETIC BEADS; MAGNETIC TUNNEL JUNCTION (MTJ) SENSORS; SENSOR FABRICATION;

DEMODULATION; ETCHING; ION BEAMS; PLASMAS; SENSORS; SIGNAL TO NOISE RATIO; SILICON WAFERS; SUPERPARAMAGNETISM; TUNNEL JUNCTIONS;

MAGNETIC MATERIALS;

EID: 24344440275     PISSN: 00036951     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.1952582     Document Type: Article

References (16)

1. K. Kriz, J. Gehrke, and D. Kriz, Biosens. Bioelectron. 13, 817 (1998).
2. J. Richardson, P. Hawkins, and R. Luxton, Biosens. Bioelectron. 16, 989 (2001).
3. D. L. Graham, H. A. Ferreira, and P. P. Freitas, Trends Biotechnol. 22, 455 (2004).
4. D. R. Baselt, G. U. Lee, M. Natesan, S. W. Metzger, P. E. Sheehan, and R. J. Colton, Biosens. Bioelectron. 13, 731 (1998).
5. M. M. Miller, P. E. Sheehan, R. L. Edelstein, C. R. Taraanaha, L. Zhong, S. Bounnak, L. J. Whitman, and R. J. Colton, J. Magn. Magn. Mater. 225, 138 (2001).
6. D. L. Graham, H. Ferreira, J. Bernardo, P. P. Freitas, and J. M. S. Cabrai, J. Appl. Phys. 91, 7786 (2002).
7. G. Li, V. Joshi, R. L. White, S. X. Wang, J. T. Kemp, C. Webb, R. W. Davis, and S. Sun, J. Appl. Phys. 93, 7557 (2003).
8. S. Tehrani, J. M. Slaughter, M. Deherrera, B. N. Engel, N. D. Rizzo, J. Salter, M. Durlam, R. W. Dave, J. Janesky, B. Butcher, K. Smith, and G. Grynkewich, Proc. IEEE 91, 703 (2003).
9. D. Lacour, H. Jaftrės, F. Nguyen Van Dau, F. Petroff, A. Vaurės, and J. Humbert, J. Appl. Phys. 91, 4655 (2002).
10. S. Yuasa, T. Nagahama, A. Fukushima, Y. Suzuki, and K. Ando, Nat. Mater. 3, 868 (2004).
11. S. S. P. Parkin, C. Kaiser, A. Panchula, P. M. Rice, B. Hughes, M. Samant, and S.-H. Yang, Nat. Mater. 3, 862 (2004).
12. J. S. Moodera, L. R. Kinder, T. M. Wong, and R. Meservey, Phys. Rev. Lett. 74, 3273 (1995).
13. X. Y. Liu, C. Ren, and G. Xiao, J. Appl. Phys. 92, 4722 (2002).
14. X. Y. Liu, C. Ren, L. Ritchie, B. D. Schrag, G. Xiao, and L. F. Li, J. Magn. Magn. Mater. 267, 133 (2003).
15. D. C. Duffy, J. C. McDonald, O. J. A. Schueller, and G. M. Whitesides, Anal. Chem. 70, 4974 (1998).
16. T. Deng, H. Wu, S. T. Brittain, and G. M. Whitesides, Anal. Chem. 72, 3176 (2000).