Single source multi-site photometric measurement system
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United States of America Patent
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May 12, 1992
Issued Date -
N/A
app pub date -
Jan 8, 1991
filing date -
Mar 1, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A multibeam photometric measuring device includes a light assembly comprising a single modulated light source along with a filter assembly for passing only a desired band of wavelengths and an optical system for suitably focusing light from the light source. A plurality of light transmitting means accept light and transmit it individually to each of the plurality of sites disposed on a multi-well sample plate. Enhancement of color distribution resulting from chromogenic reactions is provided by automatic agitation of the reacting agents within the sample wells before a reading is taken at each of the sampling intervals of a kinetic measurement sequence.
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