METHODS AND SYSTEMS FOR ANALYTE MEASUREMENT
First Claim
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1. A method for determining a value associated with an analyte in a sample, the method comprising:
- determining a set of spectra from a model for light attenuation in the sample, wherein the model comprises contributions from at least two different sources of light attenuation in the sample;
determining a set of spectral correction factors associated with the analyte in the sample based on the set of spectra; and
using the set of spectral correction factors to determine the value associated with the analyte.
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Abstract
Methods are disclosed for determining a value associated with an analyte in a sample. The methods include: determining a set of spectra from a model for light attenuation in the sample, where the model includes contributions from at least two different sources of light attenuation in the sample; determining a set of spectral correction factors associated with the analyte in the sample based on the set of spectra; and using the set of spectral correction factors to determine the value associated with the analyte of interest.
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Citations
20 Claims
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1. A method for determining a value associated with an analyte in a sample, the method comprising:
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determining a set of spectra from a model for light attenuation in the sample, wherein the model comprises contributions from at least two different sources of light attenuation in the sample; determining a set of spectral correction factors associated with the analyte in the sample based on the set of spectra; and using the set of spectral correction factors to determine the value associated with the analyte. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for determining a value associated with an analyte in a sample, the method comprising:
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determining a set of spectra from a model for light attenuation in a sample; obtaining spectral information corresponding to the sample and identifying a member of the set of spectra that corresponds to the spectral information; and determining the value associated with the analyte in the sample based on the identified member of the set of spectra. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A system for determining a value associated with an analyte in a sample, the system comprising:
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a radiation source configured to direct radiation to be incident on the sample; a detector configured to detect radiation from the sample; and an electronic processor configured to; obtain measured spectral information about the sample based on the detected radiation; compare the measured spectral information to a set of spectra determined from a model for light attenuation in the sample to identify a member of the set of spectra that corresponds to the measured spectral information; correct the identified member of the set of spectra using a set of spectral correction factors determined from the set of spectra; and use the corrected identified member of the set of spectra as input to a calibration equation to determine the value associated with the analyte. - View Dependent Claims (20)
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Specification