Dithiol-(2-nitrobenzoate) indicators

Details Dithiol-(2-nitrobenzoate) indicators Dithiol-(2-nitrobenzoate) indicators

1991-04-18

1993-06-15

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

560 17, 560 18, C07D32700, C07C32128

Patent

active

052200353

ABSTRACT:
Test compositions, indicators, and test device are provided which are capable of generating different hues at different analyte concentrations. The compositions are capable of generating a yellow hue in situ. Visual tests for clinically important analytes, such as glucose, are determined by use of two independent catalytic systems which are reactive with reduced nicotinamide adenin dinucleotide to produce a range of hues; the particular hue produced depending on the concentration of the analyte. The invention provides a test device for the determination of analyte, e.g. glucose, in body fluid which exhibits a RAINBOW of hues, the particular final hue produced depending on the analyte concentration.

REFERENCES:
patent: 4490465 (1984-12-01), Limbach et al.
patent: 4629697 (1986-12-01), Limbach et al.
L. F. Fieser et al., "Reagents for Organic Synthesis", p. 351, John Wiley and Sons, Inc., New York (1967).

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