Method of differentiating between blood and control solutions containing a common analyte
First Claim
1. A method of measuring the glucose in blood by an optical instrument, the method comprising the acts of testing the performance of the instrument by adding a control solution containing a known amount of glucose to a test strip adapted to react with the glucose and produce an optical response from an indicator and measuring the response, the control solution contains a labeling substance recognized by the optical instrument and distinguished from the response of the indicator, wherein the labeling substance has a peak absorbance of light that is distinguished from the absorbance of the indicator.
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Abstract
Glucose measured in blood samples is distinguished from glucose measured in the control solutions used to test the optical instruments which make such measurements. The control solutions contain a labeling substance recognized by the optical instrument to distinguish glucose measurements made of control solutions from those made of blood samples.
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Citations
6 Claims
- 1. A method of measuring the glucose in blood by an optical instrument, the method comprising the acts of testing the performance of the instrument by adding a control solution containing a known amount of glucose to a test strip adapted to react with the glucose and produce an optical response from an indicator and measuring the response, the control solution contains a labeling substance recognized by the optical instrument and distinguished from the response of the indicator, wherein the labeling substance has a peak absorbance of light that is distinguished from the absorbance of the indicator.
Specification