Test-sensor production monitoring using XRF spectrometry
First Claim
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1. A method for on-line monitoring of test sensors using x-ray fluorescence (XRF) spectrometry, the method comprising:
- providing a test sensor comprising a reagent, the reagent including an enzyme and a mediator, the mediator including metal;
monitoring an amount of metal in the mediator of the reagent of the test sensor using XRF spectrometry; and
determining from the amount of metal an amount of the reagent on the test sensor.
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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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Citations
23 Claims
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1. A method for on-line monitoring of test sensors using x-ray fluorescence (XRF) spectrometry, the method comprising:
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providing a test sensor comprising a reagent, the reagent including an enzyme and a mediator, the mediator including metal; monitoring an amount of metal in the mediator of the reagent of the test sensor using XRF spectrometry; and determining from the amount of metal an amount of the reagent on the test sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for on-line monitoring of electrochemical test sensors using x-ray fluorescence (XRF) spectrometry, the method comprising:
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providing an electrochemical test sensor comprising a reagent printed thereon, the reagent including an enzyme and a mediator, the mediator including metal; and monitoring an amount of metal in the mediator of the reagent of the test sensor using XRF spectrometry; and determining from the amount of metal an amount of the reagent on the test sensor. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A method of maintaining consistency in the printing of reagents on test sensors comprising:
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providing a test sensor comprising a reagent printed thereon, the reagent including an enzyme and a mediator, the mediator including metal; and measuring an amount of metal in the mediator of the reagent of the test sensor wherein the measuring comprises scanning a region of the test sensor with an x-ray fluorescence (XRF) spectrometer; and
determining from the measurement of the amount of metal an amount of the reagent printed on the electrochemical test sensor. - View Dependent Claims (19, 20)
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21. A method for on-line monitoring using x-ray fluorescence (XRF) spectrometry, the method comprising:
- providing a substrate comprising an organic compound printed thereon, the organic compound including metal;
monitoring an amount of the metal in the organic compound on the substrate using XRF spectrometry; and
determining from the amount of metal an amount of the organic compound printed on the substrate. - View Dependent Claims (22, 23)
- providing a substrate comprising an organic compound printed thereon, the organic compound including metal;
Specification