Analyzer for analyzing casts in urine with flow cytometry

Details Analyzer for analyzing casts in urine with flow cytometry Analyzer for analyzing casts in urine with flow cytometry

1996-12-17

1998-05-26

Epps, Georgia Y.

Optics: measuring and testing

For optical fiber or waveguide inspection

356318, 356338, 36441311, 364498, G01N 2100, G01J 330, G06F 1500

Patent

active

057574758

ABSTRACT:
An analyzer for analyzing urine material components is provided, which comprises: a sheath flow cell for forming a sample stream by surrounding a sample liquid containing preliminarily stained particles of the urine material components with a sheath fluid; a light source for illuminating the sample stream; a photodetecter section for detecting optical information from the illuminated material component particles; and an analyzing section for analyzing the material components on the basis of the detected optical information; the analyzing section including a parameter extracting section for extracting a fluorescent light emission duration Flw and a scatter light emission duration Fscw as parameters from the detected optical information, a distribution diagram generating section for generating an Fscw-Flw scattergram, and a judging section for judging whether or not a material component particle being analyzed is a cast, on the basis of location of a data point of the material component particle in the generated scattergram.

REFERENCES:
patent: 3844662 (1974-10-01), Froreich
patent: 4622298 (1986-11-01), Mansour et al.
patent: 4667830 (1987-05-01), Nozaki, Jr. et al.
patent: 4992365 (1991-02-01), Hyman
patent: 5325168 (1994-06-01), Nakamoto et al.

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