Tapered tubular optical waveguide probe for magnetic focusing immunosensors
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United States of America Patent
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Feb 22, 2005
Grant Date -
N/A
app pub date -
Nov 1, 2002
filing date -
Nov 5, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A waveguide probe for the detection of pathogens in a sample which comprises a laser, a first and a second tubes that converge at a point to form a proximal end. A magnet is positioned in the end to configure to focus paramagnetic microspheres attached to antigen/antibody/optically labeled antibody complexes in the field of view. The proximal end is polished to form an aperture.
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