G - Physics – 01 – N
Patent
G - Physics
01
N
73/59, 150/15.1
G01N 21/75 (2006.01) G01N 21/25 (2006.01) G01N 33/53 (2006.01)
Patent
CA 1317122
ABSTRACT A device for measuring transmittance of light comprises a light source in the form of a light-emitting diode, a photodetector and signal processor. The concentration of a substance in a fluid sample can be accurately determined by coating the light-emitting diode with a reagent that is chemically reactive with the substance and measuring light transmitted from the coating before and after the substance is applied to the coating. The coating can contain a solid support matrix, such as a translucent nonwoven paper web of the type used in reagent test strips and similar indicator devices. The invention is useful for making clinical analyses on body fluids.
616189
Miles Laboratories Inc.
Osler Hoskin & Harcourt Llp
LandOfFree
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