Mid-infrared passive spectroscopic imaging for non-invasive blood glucose sensor (1st. report): visualization of glucose omnipresence based on time response differences

Shiori Tahara; Tomoya Kitazaki; Daichi Anabuki; Akira Nishiyama; Kenji Wada; Akiko Nishimura; Ichiro Ishimaru

doi:10.1117/12.3005586

20 September 2023 Mid-infrared passive spectroscopic imaging for non-invasive blood glucose sensor (1st. report): visualization of glucose omnipresence based on time response differences

Shiori Tahara, Tomoya Kitazaki, Daichi Anabuki, Akira Nishiyama, Kenji Wada, Akiko Nishimura, Ichiro Ishimaru

Author Affiliations +

Proceedings Volume 12608, Biomedical Imaging and Sensing Conference; 1260804 (2023) https://doi.org/10.1117/12.3005586
Event: Optics and Photonics International Congress, 2023, Yokohama, Japan

Abstract

The proposed mid-infrared passive spectroscopic imager could measure blood glucose levels of internal bodies from a distance. In this report, we distinguished blood vessel areas and interstitial fluid areas in accordance with time-response differences. Freestyle Libre measures blood glucose levels in interstitial fluid. Thus, the measured value has time delay around 10 min compared with the conventional blood collection type. In accordance with correlation coefficients of radiation value, whose wavelength was 9.65μm, we identified these two areas at every pixel.

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Shiori Tahara, Tomoya Kitazaki, Daichi Anabuki, Akira Nishiyama, Kenji Wada, Akiko Nishimura, and Ichiro Ishimaru "Mid-infrared passive spectroscopic imaging for non-invasive blood glucose sensor (1st. report): visualization of glucose omnipresence based on time response differences", Proc. SPIE 12608, Biomedical Imaging and Sensing Conference, 1260804 (20 September 2023); https://doi.org/10.1117/12.3005586

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