Portable fluorescence meter with reference backscattering channel

Dmitriy V. Kornilin; Vladimir N. Grishanov; Valery P. Zakharov; Dmitriy S. Burkov

doi:10.1117/12.2237135

26 September 2016 Portable fluorescence meter with reference backscattering channel

Dmitriy V. Kornilin, Vladimir N. Grishanov, Valery P. Zakharov, Dmitriy S. Burkov

Proceedings Volume 9961, Reflection, Scattering, and Diffraction from Surfaces V; 99610C (2016) https://doi.org/10.1117/12.2237135
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

Methods based on fluorescence and backscattering are intensively used for determination of the advanced glycation end products (AGE) concentration in the biological tissues. There are strong correlation between the AGE concentration and the severity of such diseases like diabetes, coronary heart disease and renal failure. This fact can be used for diagnostic purposes in medical applications. Only few investigations in this area can be useful for development of portable and affordable in vivo AGE meter because the most of them are oriented on using spectrometers. In this study we describe the design and the results of tests on volunteers of portable fluorescence meter based on two photodiodes. One channel of such fluorimeter is used for measurement of the autofluorescence (AF) intensity, another one – for the intensity of elastically scattered radiation, which can be used as a reference. This reference channel is proposed for normalization of the skin autofluorescence signal to the human skin photo type. The fluorimeter, that was developed is relatively compact and does not contain any expensive optical and electronic components. The experimental results prove that proposed tool can be used for the AGE estimation in human skin.

Citation Download Citation

Dmitriy V. Kornilin, Vladimir N. Grishanov, Valery P. Zakharov, and Dmitriy S. Burkov "Portable fluorescence meter with reference backscattering channel", Proc. SPIE 9961, Reflection, Scattering, and Diffraction from Surfaces V, 99610C (26 September 2016); https://doi.org/10.1117/12.2237135

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