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Investigation of the effect of clinically relevant interferents on glucose monitoring using near‐infrared spectroscopy
Author(s) -
Fuglerud Silje Skeide,
Ellingsen Reinold,
Aksnes Astrid,
Hjelme Dag Roar
Publication year - 2021
Publication title -
journal of biophotonics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.877
H-Index - 66
eISSN - 1864-0648
pISSN - 1864-063X
DOI - 10.1002/jbio.202000450
Subject(s) - chemistry , ethanol , near infrared spectroscopy , spectroscopy , infrared spectroscopy , diabetes mellitus , calibration , chromatography , biochemistry , endocrinology , medicine , organic chemistry , optics , physics , statistics , mathematics , quantum mechanics
Near infrared spectroscopy (NIR) is a promising technique for continuous blood glucose monitoring for diabetic patients. Four interferents, at physiological concentrations, were introduced to study how the glucose predictions varied with a standard multivariate calibration model. Lactate and ethanol were found to interfere strongly with the glucose predictions unless they were included in the calibration models. Lactate was mistaken for glucose and gave erroneously high glucose predictions, with a dose response of 0.46 mM/mM. The presence of ethanol resulted in too low glucose predictions, with a dose response of −0.43 mM/mM. Acetaminophen, a known interferent in the glucose monitoring devices used for diabetes management today, was not found to be an interferent in NIR spectroscopy, nor was caffeine. Thus, interferents that may appear in high concentrations, such as ethanol and lactate, must be included in the calibration or model building of future NIR‐based glucose measurement devices for diabetes monitoring.