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Issue 8, 2017
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Optical properties of porcine dermis in the mid-infrared absorption band of glucose

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Abstract

The optical properties of skin in the mid-infrared range are not known, despite their importance for e.g. non-invasive glucose monitoring. In this paper, transmission, absorption, scattering, and reduced scattering coefficients are quantified using a custom-built goniometer based on a quantum cascade laser operated at the glucose absorption band at a wavelength of around 9.7 μm. The measurements show a strong dominance of absorption and moderate contributions from scattering. The scattered radiation is dominated by single scattering events in the forward direction (g = 0.967) within the range of the investigated dermis layer thicknesses of up to 50 μm, whereby the fraction of multiple scattering is expected to increase with the layer thickness.

Graphical abstract: Optical properties of porcine dermis in the mid-infrared absorption band of glucose

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Publication details

The article was received on 03 Aug 2016, accepted on 09 Nov 2016 and first published on 09 Nov 2016


Article type: Paper
DOI: 10.1039/C6AN01757F
Citation: Analyst, 2017,142, 1235-1243
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    Optical properties of porcine dermis in the mid-infrared absorption band of glucose

    A. Schönhals, H. Tholl, M. Glasmacher, N. Kröger-Lui, A. Pucci and W. Petrich, Analyst, 2017, 142, 1235
    DOI: 10.1039/C6AN01757F

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