Time-domain NIRS system based on supercontinuum light source and multi-wavelength detection: validation for tissue oxygenation studies

A Sudakou, F Lange, H Isler, P Lanka… - Biomedical Optics …, 2021 - opg.optica.org
… optical properties, ie absorption (µ a ) and reduced scattering (µ′ … changes is demonstrated
using measurements on the … , which is intended for muscle and brain monitoring in a clinical …

[HTML][HTML] Optical imaging and spectroscopy for the study of the human brain: status report

H Ayaz, WB Baker, G Blaney, DA Boas… - …, 2022 - spiedigitallibrary.org
… sensitivity to changes in absorption and scattering as CW-… clinical studies (eg, in brain, cancer,
and muscle tissues), and via … of the measured cerebral absorption changes. Nevertheless, …

[HTML][HTML] Open-source FlexNIRS: a low-cost, wireless and wearable cerebral health tracker

KC Wu, D Tamborini, M Renna, A Peruch, Y Huang… - NeuroImage, 2022 - Elsevier
… used to detect cerebral activity by measuring changes in oxy- … the absorption coefficients,
inputting the right reduced scattering … For these comparisons, we used fixed reduced scattering

[PDF][PDF] Continuous cerebral and tissue oximetry by three-wave NIRS device

D Buyanov, S Zabodaev - 2020 IEEE Conference of Russian …, 2020 - researchgate.net
absorbing and scattering medium are used. Dispersion greatly complicates the algorithms
and calculation schemes, but allows measuring “… Quantitative measurement of muscle oxygen …

Time-domain diffuse correlation spectroscopy (TD-DCS) for noninvasive, depth-dependent blood flow quantification in human tissue in vivo

S Samaei, P Sawosz, M Kacprzak, Ż Pastuszak… - Scientific reports, 2021 - nature.com
… by analyzing temporal intensity fluctuations of the scattered light. With … First, we carried out
the measurements on three … tissue, we change the superficial flow, while cerebral flow remains …

Direct assessment of extracerebral signal contamination on optical measurements of cerebral blood flow, oxygenation, and metabolism

D Milej, A Abdalmalak, A Rajaram… - …, 2020 - spiedigitallibrary.org
… were the absorption coefficient ( μ a ), the reduced scatteringabsorption changes Δ μ a , i
( λ ) by sensitivity analysis: 31 , 54 … , vasodilation can occur in other tissues, including muscle. …

UWB bowtie antenna for medical microwave imaging applications

O Fiser, V Hruby, J Vrba, T Drizdal… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
… and the measurement of reflected and scattered EM waves at … measured reflection
characteristics and specific absorption … by a measurement of |S11| parameter on brain and muscle

Impact of changes in tissue optical properties on near-infrared diffuse correlation spectroscopy measures of skeletal muscle blood flow

MF Bartlett, SM Jordan, DM Hueber… - Journal of Applied …, 2021 - journals.physiology.org
… that tissue optical properties—such as absorption (μ a ) and reduced scattering (μ′ s ) …
gap in skeletal muscle NIR-DCS literature. Although NIR-DCS measures of cerebral blood flow …

Nanotransducer-enabled deep-brain neuromodulation with NIR-II light

X Wu, F Yang, S Cai, K Pu, G Hong - ACS nano, 2023 - ACS Publications
… for deep-brain neuromodulation, since the scattering from the brain and the absorption from
… (4) Furthermore, this second-level response time leads to a thermal diffusion length on the …

Investigating the transmission profiles of 808 nm laser through different regions of the rat's head

O Hamdy, HS Mohammed - Lasers in Medical Science, 2021 - Springer
… including heart, liver, brain kidney, and muscle. The experimental … measurements were
utilized to estimate the absorption and scattering coefficient and anisotropy factor of skin, brain, …