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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 4, Iss. 7 — Jul. 1, 2013
  • pp: 1083–1090

In vitro measurements of physiological glucose concentrations in biological fluids using mid-infrared light

Sabbir Liakat, Kevin A. Bors, Tzu-Yung Huang, Anna P. M. Michel, Eric Zanghi, and Claire F. Gmachl  »View Author Affiliations

Biomedical Optics Express, Vol. 4, Issue 7, pp. 1083-1090 (2013)

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Mid-infrared transmission spectroscopy using broadband mid-infrared or Quantum Cascade laser sources is used to predict glucose concentrations of aqueous and serum solutions containing physiologically relevant amounts of glucose (50-400 mg/dL). We employ partial least squares regression to generate a calibration model using a subset of the spectra taken and to predict concentrations from new spectra. Clinically accurate measurements with respect to a Clarke error grid were made for concentrations as low as 30 mg/dL, regardless of background solvent. These results are an important and encouraging step in the work towards developing a noninvasive in vivo glucose sensor in the mid-infrared.

© 2013 OSA

OCIS Codes
(170.1470) Medical optics and biotechnology : Blood or tissue constituent monitoring
(300.1030) Spectroscopy : Absorption
(300.6340) Spectroscopy : Spectroscopy, infrared

ToC Category:
Spectroscopic Diagnostics

Original Manuscript: April 8, 2013
Revised Manuscript: May 31, 2013
Manuscript Accepted: June 9, 2013
Published: June 11, 2013

Sabbir Liakat, Kevin A. Bors, Tzu-Yung Huang, Anna P. M. Michel, Eric Zanghi, and Claire F. Gmachl, "In vitro measurements of physiological glucose concentrations in biological fluids using mid-infrared light," Biomed. Opt. Express 4, 1083-1090 (2013)

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