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Method and device for selectively detecting ferromagnetic or superparamagnetic particles.

  • US 20070155024A1
  • Filed: 01/30/2004
  • Published: 07/05/2007
  • Est. Priority Date: 02/28/2003
  • Status: Active Grant
First Claim
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1. A method of selectively detecting and/or quantifying super paramagnetic and/or ferro magnetic particles, characterized in that based upon the nonlinearality of the magnetization characteristics of the particles, frequency components of magnetic fields generated by their magnetization are measured in terms of mixed frequencies.

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