Optical particle analyzing apparatus having two types of light s

Details Optical particle analyzing apparatus having two types of light s Optical particle analyzing apparatus having two types of light s

1990-05-29

1993-11-09

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

2504581, 2504612, 356 39, 356318, 356336, G01N 2100, G01N 1514

Patent

active

052607640

ABSTRACT:
An optical particle analyzing apparatus includes a flow cytometer in which laser light and lamp light having a wavelength shorter than that of the laser light are used simultaneously when particles in a blood specimen or the like are analyzed by the flow cytometer. Scattered light emitted by a particle due to irradiation with the laser light and fluorescence emitted by the particle due to irradiation with the lamp light are detected. A signal indicative of the scattered light is used as a timing signal to detect the fluorescence. This arrangement makes it possible to reduce the size and cost of the apparatus.

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patent: 4284355 (1981-08-01), Hansen et al.
patent: 4325706 (1982-04-01), Gershman et al.
patent: 4599307 (1986-07-01), Saunders et al.
patent: 4730922 (1988-03-01), Bach et al.
patent: 4842406 (1989-06-01), Von Bargen
Steinkamp, John A. (Flow Cytometry), Review of Scientific Instruments, vol. 55, No. 9, Sep. 1984.

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