On-board control for analytical elements
First Claim
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1. An analytical element comprising:
- a first reagent system for a detection reaction, andan on-board control comprising a second reagent system for determining whether at least one of the analytical element, the first reagent system and the second reagent system has been stressed under conditions that could damage the analytical element or affect the results obtained therefrom, the second reagent system comprising a reagent comprising an organic N-oxide or a nitroso compound and a reducing agent selected from sugars, polyalcohols, glycine, and cysteine-containing proteins.
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Abstract
The invention concerns a reagent system for the so-called on-board control of analytical elements, in particular test strips, containing an organic N-oxide or a nitroso compound. The invention also concerns analytical elements containing a reagent system for a detection reaction and a reagent system for an on-board control. Furthermore, the invention concerns a method for checking analytical elements in which a reagent system for an on-board control is examined optically or electrochemically with the aid of a measuring instrument for changes which could indicate a stress of the analytical element.
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8 Claims
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1. An analytical element comprising:
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a first reagent system for a detection reaction, and an on-board control comprising a second reagent system for determining whether at least one of the analytical element, the first reagent system and the second reagent system has been stressed under conditions that could damage the analytical element or affect the results obtained therefrom, the second reagent system comprising a reagent comprising an organic N-oxide or a nitroso compound and a reducing agent selected from sugars, polyalcohols, glycine, and cysteine-containing proteins. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification