Cytoanalyzer using separate sensing portions on a dectector and

Details Cytoanalyzer using separate sensing portions on a dectector and Cytoanalyzer using separate sensing portions on a dectector and

1995-08-08

1998-04-07

Font, Frank G.

Optics: measuring and testing

By particle light scattering

With photocell detection

356340, 356343, 356336, 2502086, 250574, G01N 2100, G01J 142

Patent

active

057370788

ABSTRACT:
A cytoanalyzer includes a flow cell for aligning cells and permitting the same to pass therethrough, a semiconductor light emitting device for emitting a laser beam to the cells passing through the flow cell, and a light-detecting device having at least two separate photosensing portions capable of sensing two types of light scattered by each of the cells. The alignment of the cytoanalyzer may be achieved by comparing intensities of light on the at least two separate photosensing portions.

REFERENCES:
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patent: 4595291 (1986-06-01), Tatsuno
patent: 4596035 (1986-06-01), Gershman et al.
patent: 5105093 (1992-04-01), Niwa
patent: 5125737 (1992-06-01), Rodriguez et al.
patent: 5416580 (1995-05-01), Trainer
patent: 5467193 (1995-11-01), Laewen et al.
patent: 5538893 (1996-07-01), Sakata et al.
Patent Abstracts of Japan-60-260830 dated Dec. 24, 1985.
"Improved Multilaser/Multiparameter Flow Cytometer for Analysis and Sorting of Cells and Particles", Steinkamp J. A., et al., Review of Scientific Instruments, vol. 62, No. 1, Nov. 1, 1991, pp. 2751-2764.

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