Bead trapping device
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United States of America Patent
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Issued Date -
May 15, 2003
app pub date -
Sep 26, 2002
filing date -
Sep 26, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A bead trapping device for trapping beads. The device is formed from a substrate, posts extending from the substrate; the posts being patterned to form cavities between the posts, the cavities having a diameter between 0.5 .mu.m and 200 .mu.m; and means for loading beads onto the substrate. A method of trapping microscopic beads for analysis, the method comprising the steps of contacting a fluid containing beads with a substrate having posts extending from the substrate to form bead trapping cavities, the bead trapping cavities having a diameter between 0.5 .mu.m and 200 .mu.m; and loading the beads into the bead trapping cavities.
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