Method and apparatus for performing microassays
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United States of America Patent
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May 14, 2002
Grant Date -
N/A
app pub date -
Jan 5, 1999
filing date -
Jan 12, 1998
priority date (Note) -
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Abstract
A system and method for analyzing a plurality of liquid samples. The system has a platen having two substantially parallel planar surfaces and a plurality of through-holes dimensioned so as to maintain a liquid sample in each through-hole by means of surface tension. A source of optical radiation illuminates the through-holes, and an optical arrangement analyzes the light emanating from the through-holes. The through-holes may be individually addressable, and may have volumes less than 100 nanoliters. Samples may be drawn from a planar surface by capillary action and may be accurately dispensed, diluted and mixed in accordance with embodiments of the invention.
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