Human tissue color as viewed in high dynamic range optical spectral transmission measurements

GI Petrov, A Doronin, HT Whelan, I Meglinski… - Biomedical optics …, 2012 - opg.optica.org
High dynamic range optical-to-near-infrared transmission measurements for different parts
of human body in the spectral range from 650 to 950 nm have been performed …

Monte Carlo analysis of optical interactions in reflectance and transmittance finger photoplethysmography

S Chatterjee, PA Kyriacou - Sensors, 2019 - mdpi.com
Photoplethysmography (PPG) is a non-invasive photometric technique that measures the
volume changes in arterial blood. Recent studies have reported limitations in developing …

Investigating the origin of photoplethysmography using a multiwavelength Monte Carlo model

S Chatterjee, K Budidha… - Physiological …, 2020 - iopscience.iop.org
Photoplethysmography (PPG) is a photometric technique used for the measurement of
volumetric changes in the blood. The recent interest in new applications of PPG has …

Influence of blood pulsation on diagnostic volume in pulse oximetry and photoplethysmography measurements

V Dremin, E Zherebtsov, A Bykov, A Popov… - Applied …, 2019 - opg.optica.org
Recent advances in the development of ultra-compact semiconductor lasers and technology
of printed flexible hybrid electronics have opened broad perspectives for the design of new …

[HTML][HTML] Monte Carlo simulation of the effect of melanin concentration on light–tissue interactions for transmittance pulse oximetry measurement

R Al-Halawani, M Qassem… - Journal of Biomedical …, 2024 - spiedigitallibrary.org
SignificanceQuestions about the accuracy of pulse oximeters in measuring arterial oxygen
saturation (SpO2) in individuals with darker skin pigmentation have resurfaced since the …

Investigating optical path and differential pathlength factor in reflectance photoplethysmography for the assessment of perfusion

S Chatterjee, TY Abay, JP Phillips… - Journal of biomedical …, 2018 - spiedigitallibrary.org
Photoplethysmography (PPG) is an optical noninvasive technique with the potential for
assessing tissue perfusion. The relative time-change in the concentration of oxyhemoglobin …

Photodynamic treatment of malignant melanoma with structured light: in silico Monte Carlo modeling

A Doronin, VV Yakovlev, VS Bagnato - Biomedical Optics Express, 2024 - opg.optica.org
In this report, we propose a novel strategy for the photodynamic approach to the treatment of
melanoma, aiming to mitigate the excessive absorption and consequent thermal effects. The …

Remote in vivo stress assessment of aquatic animals with microencapsulated biomarkers for environmental monitoring

A Gurkov, E Shchapova, D Bedulina, B Baduev… - Scientific reports, 2016 - nature.com
Remote in vivo scanning of physiological parameters is a major trend in the development of
new tools for the fields of medicine and animal physiology. For this purpose, a variety of …

Integration of orthogonal Fourier profilometry with blood flow mapping for 3D fingertip biometric authentication

T Frei-Kagan, OI Rosenberg, D Abookasis - Optics Communications, 2024 - Elsevier
We present herein the combination of Fourier transform profilometry based orthogonal
projection with a laser speckle imaging method to provide three-dimensional (3D) fingertip …

Fiber-optic pulseoximeter for local oxygen saturation determination using a Monte Carlo multi-layer model for calibration

L Hernández-Quintanar, DA Fabila-Bustos… - Computer methods and …, 2020 - Elsevier
Background and objective Local tissue oxygenation determines the relationship between
the supply and the demand for oxygen by the tissue and it is an important indicator of the …