Test-sensor production monitoring using XRF spectrometry

X-ray or gamma ray systems or devices – Specific application – Fluorescence

Reexamination Certificate

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C435S004000

Reexamination Certificate

active

08005188

ABSTRACT:
A method for monitoring test sensors comprising the steps of, providing a test sensor comprising a reagent including an enzyme and a metal mediator; monitoring the amount of metal in the mediator of the reagent using X-ray fluorescence spectrometry and determining from the amount of metal in the mediator an amount of the reagent on the test sensor.

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