Chemistry: analytical and immunological testing – Optical result
Patent
1994-10-14
1997-02-11
Housel, James C.
Chemistry: analytical and immunological testing
Optical result
436 63, 422 8205, 435 2, 356 73, 2504612, 209 31, 209 33, 209578, 209579, 2091274, G01N 1514
Patent
active
056020392
ABSTRACT:
A direct jet monitor illuminates the jet of a flow cytometer in a monitor wavelength band which is substantially separate from the substance wavelength band. When a laser is used to cause fluorescence of the substance, it may be appropriate to use an infrared source to illuminate the jet and thus optically monitor the conditions within the jet through a CCD camera or the like. This optical monitoring may be provided to some type of controller or feedback system which automatically changes either the horizontal location of the jet, the point at which droplet separation occurs, or some other condition within the jet in order to maintain optimum conditions. The direct jet monitor may be operated simultaneously with the substance property sensing and analysis system so that continuous monitoring may be achieved without interfering with the substance data gathering and may be configured so as to allow the front of the analysis or free fall area to be unobstructed during processing.
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Freed Rachel Heather
Housel James C.
Santangelo Luke
The University of Washington
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