Measuring multi-analyte samples using an in-line flow cell
First Claim
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1. A method for measuring analytes in a sample, the method comprising:
- flowing a sample containing analytes through a detector;
measuring a measurand of the analytes passing through the detector;
determining a time interval over which the measurand reaches a predetermined quantity of mass, wherein measuring the measurand comprises performing a real-time integration of the measurand over the time interval;
forming a sample plug based on the time interval over which the measurand reaches the predetermined quantity of mass; and
diverting a portion of the flowing sample containing the sample plug to a sample volume.
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Abstract
Methods and systems for analyzing ratios of analytes within a flowing sample are provided. The flowing sample can be processed in real-time to determine a time interval over which a predetermined amount of a group of analytes passes by a fixed point in a flow cell. The predetermined amount can be routed to a sample container for future processing. The sample can comprise diluted blood and the analytes can comprise a component of hemoglobin, such as A1c, and the total amount of hemoglobin, of which the predetermined amount is metered.
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Citations
19 Claims
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1. A method for measuring analytes in a sample, the method comprising:
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flowing a sample containing analytes through a detector; measuring a measurand of the analytes passing through the detector; determining a time interval over which the measurand reaches a predetermined quantity of mass, wherein measuring the measurand comprises performing a real-time integration of the measurand over the time interval; forming a sample plug based on the time interval over which the measurand reaches the predetermined quantity of mass; and diverting a portion of the flowing sample containing the sample plug to a sample volume. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification