Method of separation employing magnetic particles and second medium
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United States of America Patent
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-
Jan 18, 1994
Grant Date -
N/A
app pub date -
Dec 22, 1989
filing date -
Dec 22, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods are disclosed for separating a component of interest from a mixture containing the component of interest and other components. The method comprises contacting a first liquid medium containing the component of interest and other components with a second liquid medium that is of different density than and/or of different viscosity than the first liquid medium. The contact is carried out in such a way that mixing of the media is minimized or avoided. The component of interest is bound to magnetic particles. The contacted first liquid medium and second liquid medium are subjected to a magnetic field gradient to allow the magnetic particles to migrate into the second liquid medium and separation of the component of interest from other components is realized. Also disclosed are assays employing the present method. Kits for carrying out the present method and assays are also disclosed.
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