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US 5,683,656 AGranted
Decreased interference redox detection device
AssigneeBehringwerke Aktiengesellschaft
InventorsKlaus Habenstein, Dieter Zopf, Winfried Bursch
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Abstract
The present invention relates to reagents and processes for the preparation of diagnostics which use a chromogenic redox detection system and whose chromogenic redox detection system essentially remains unaffected by interference from reducing compounds in the sample material.
Claims3
A dry-chemical test element for the detection and determination of an analyte in a sample of a biological fluid, which comprises a reagent support having applied thereto a reagent which comprises periodate ions and a complexing agent of the formula I
- {Z (R.sub.n)}.sup.(+) A.sup.(-) (I)
- in which
- Z is P, N, As, S or Se,
- n is 4 when Z is P, N or As and n is 3 when Z is S or Se,
- R is phenyl, benzyl, alkyl or cycloalkyl, each of which is unsubstituted or is substituted by C 1-8 alkyl, and
- A.sup.(-) is Br.sup.(-) I.sup.(-), Cl.sup.(-) or F.sup.(-).
3 more elements
Dependencies are inferred from the claim text.