Magnetic separation apparatus and methods employing an internal magnetic capture gradient and an external transport force
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United States of America Patent
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Nov 16, 1999
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N/A
app pub date -
Jun 2, 1997
filing date -
Jun 7, 1996
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Abstract
The present invention relates to apparatus and methods for separating, immobilizing, and quantifying biological substances from within a fluid medium. Biological substances are observed by employing a high internal gradient magnetic capture structure formed within a vessel, in conjunction with an externally-applied force for transporting magnetically responsive material toward the capture structure. The invention is also useful in conducting quantitative analysis and sample preparation in conjunction with automated cell enumeration techniques.
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