Two-layered blood-lipid phantom and method to determine absorption and oxygenation employing changes in moments of DTOFs

A Sudakou, H Wabnitz, A Liemert, M Wolf… - Biomedical Optics …, 2023 - opg.optica.org
Near-infrared spectroscopy (NIRS) is an established technique for measuring tissue oxygen
saturation (StO_2), which is of high clinical value. For tissues that have layered structures, it …

Comparison of near-infrared oximeters in a liquid optical phantom with varying intralipid and blood content

S Kleiser, S Hyttel-Sorensen, G Greisen… - Oxygen Transport to …, 2016 - Springer
The interpretation of cerebral tissue oxygen saturation values (StO 2) in clinical settings is
currently complicated by the use of different near-infrared spectrophotometry (NIRS) devices …

Optical characterization of two-layered turbid media for non-invasive, absolute oximetry in cerebral and extracerebral tissue

B Hallacoglu, A Sassaroli, S Fantini - PloS one, 2013 - journals.plos.org
We introduce a multi-distance, frequency-domain, near-infrared spectroscopy (NIRS)
method to measure the optical coefficients of two-layered media and the thickness of the top …

Robustness of tissue oxygenation estimates by continuous wave space-resolved near infrared spectroscopy

C Amendola, D Contini, R Re, L Spinelli… - Journal of …, 2023 - spiedigitallibrary.org
Significance Continuous wave near infrared spectroscopy (CW-NIRS) is widely exploited in
clinics to estimate skeletal muscles and brain cortex oxygenation. Spatially resolved …

Multi-channel multi-distance broadband near-infrared spectroscopy system to measure the spatial response of cellular oxygen metabolism and tissue oxygenation

P Phan, D Highton, J Lai, M Smith, C Elwell… - Biomedical Optics …, 2016 - opg.optica.org
We present a multi-channel, multi-distance broadband near-infrared spectroscopy (NIRS)
system with the capability of measuring changes in haemoglobin concentrations (Δ [HbO_2] …

Probing rat brain oxygenation with near-infrared spectroscopy (NIRS) and magnetic resonance imaging (MRI)

Y Chen, X Intes, DR Tailor, RR Regatte, HY Ma… - Oxygen Transport To …, 2003 - Springer
Near-infrared spectroscopy (NIRS) has been a promising technique for non-invasively
quantifying tissue chromophores concentrations. One of the potential applications is the …

[HTML][HTML] A note on arterial to venous oxygen saturation as reference for NIRS-determined frontal lobe oxygen saturation in healthy humans

H Sørensen, NH Secher, P Rasmussen - Frontiers in Physiology, 2014 - frontiersin.org
Near infrared spectroscopy (NIRS) offers non-invasive assessment of oxygenation within the
human brain (S c O 2) by appreciating the different absorption of near infrared light by …

Functional near infrared spectroscopy using spatially resolved data to account for tissue scattering: A numerical study and arm‐cuff experiment

JD Veesa, H Dehghani - Journal of biophotonics, 2019 - Wiley Online Library
Abstract Functional Near‐Infrared Spectroscopy (fNIRS) aims to recover changes in tissue
optical parameters relating to tissue hemodynamics, to infer functional information in …

Voxel-based measurement sensitivity of spatially resolved near-infrared spectroscopy in layered tissues

M Niwayama - Journal of Biomedical Optics, 2018 - spiedigitallibrary.org
We quantitatively investigated the measurement sensitivity of spatially resolved
spectroscopy (SRS) across six tissue models: cerebral tissue, a small animal brain, the …

Development of 200-channel mapping system for tissue oxygenation measured by near-infrared spectroscopy

M Niwayama, D Kohata, J Shao… - … for Biological and …, 2000 - spiedigitallibrary.org
Near-infrared spectroscopy (NIRS) is a very useful technique for noninvasive measurement
of tissue oxygenation. Among various methods of NIRS, continuous wave near-infrared …