System for the optical identification of coding on a diagnostic

Details System for the optical identification of coding on a diagnostic System for the optical identification of coding on a diagnostic

1996-10-21

1999-08-31

Kemmerer, Elizabeth

Chemistry: analytical and immunological testing

Automated chemical analysis

With sample on test slide

436 50, 422 58, G01N 3348, G01N 3352, G01N 3350

Patent

active

059453419

ABSTRACT:
Disclosed is an automated method for reading a test strip for the analysis of one or more analyte in a liquid test sample. The method involves the spectrophotometric reading of a test strip which bears at least two marker fields on its surface which are capable of reflecting light at different spectral regions from each other. The reading means of the spectrophotometer is programmed to discern information concerning the strip, such as what analyte the strip is designed to detect, from the sequences of spectral classifications by spectral reflectancy measurements of the strip's marker fields.

REFERENCES:
patent: 4592893 (1986-06-01), Poppe et al.
patent: 5477326 (1995-12-01), Dosmann
patent: 5597532 (1997-01-01), Connolly

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