Method and apparatus for detecting sample fluid on an analysis s

Details Method and apparatus for detecting sample fluid on an analysis s Method and apparatus for detecting sample fluid on an analysis s

1982-06-10

1983-12-13

Marcus, Michael S.

Chemistry: analytical and immunological testing

Automated chemical analysis

With sample on test slide

250339, 250341, 422 63, 422 66, 422 67, 422100, 436 44, 436 39, 436164, G01N 3500, G01N 3506, G01N 2100, G01N 3318

Patent

active

044205660

ABSTRACT:
A method and apparatus are disclosed for detecting sample fluid on an analysis slide of the type which is used to perform quantitative analyses. The apparatus comprises means for projecting radiation comprising wavelengths absorbed by water onto the slide and means for measuring the intensity of radiation received from the slide, both before fluid is metered on the slide and after fluid has been metered thereon. The difference between radiation received from a wet slide and from a dry slide is compared with known values to determine if the slide contains sufficient fluid for a suitable test result.

REFERENCES:
patent: 3405268 (1968-10-01), Brunton
patent: 4059405 (1977-11-01), Sodickson
patent: 4110079 (1978-08-01), Schaeffer
patent: 4203724 (1980-05-01), Sawai et al.
patent: 4224032 (1980-09-01), Glover et al.

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