Relationship between wavelength combination and signal-to-noise ratio in measuring hemoglobin concentrations using visible or near-infrared light

T Funane, H Atsumori, H Sato, M Kiguchi, A Maki - Optical review, 2009 - Springer
The signal-to-noise ratio (SNR), when using visible or near-infrared light to measure the
change in hemoglobin concentration length (the product of hemoglobin concentration and …

New method of estimating wavelength-dependent optical path length ratios for oxy-and deoxyhemoglobin measurement using near-infrared spectroscopy

S Umeyama, T Yamada - Journal of biomedical optics, 2009 - spiedigitallibrary.org
In near-infrared spectroscopy (NIRS), concentration changes in oxy-and deoxyhemoglobin
are calculated using an attenuation change of the measurement light and by solving a linear …

Optimal hemoglobin extinction coefficient data set for near-infrared spectroscopy

Y Zhao, L Qiu, Y Sun, C Huang, T Li - Biomedical optics express, 2017 - opg.optica.org
Extinction coefficient (ε) is a critical parameter for quantification of oxy-, deoxy-, and total-
hemoglobin concentrations (Δ [HbO_2], Δ [Hb], Δ [tHb]) from optical measurements of Near …

Optical wavelength selection for portable hemoglobin determination by near-infrared spectroscopy method

H Tian, M Li, Y Wang, D Sheng, J Liu… - Infrared Physics & …, 2017 - Elsevier
Hemoglobin concentration is commonly used in clinical medicine to diagnose anemia,
identify bleeding, and manage red blood cell transfusions. The golden standard method for …

New cross-talk measure of near-infrared spectroscopy and its application to wavelength combination optimization

S Umeyama, T Yamada - Journal of biomedical optics, 2009 - spiedigitallibrary.org
In near-infrared spectroscopy, concentration changes in oxygenated and deoxygenated
hemoglobin are calculated from the changes in the attenuation of the measurement light …

Variation of haemoglobin extinction coefficients can cause errors in the determination of haemoglobin concentration measured by near-infrared spectroscopy

JG Kim, H Liu - Physics in Medicine & Biology, 2007 - iopscience.iop.org
Near-infrared spectroscopy or imaging has been extensively applied to various biomedical
applications since it can detect the concentrations of oxyhaemoglobin (HbO 2) …

The effect of water in the quantitation of hemoglobin concentration in a tissue-like phantom by near-infrared spectroscopy

MA Franceschini, S Fantini, A Cerussi… - Biomedical Optical …, 1996 - opg.optica.org
We have investigated the contribution of water in the quantitative determination of
hemoglobin concentration and saturation by near-infrared spectroscopy in turbid media. Our …

Wavelength dependence of crosstalk in dual-wavelength measurement of oxy-and deoxy-hemoglobin

N Okui, E Okada - Journal of biomedical optics, 2005 - spiedigitallibrary.org
In near-IR spectroscopy, the concentration change in oxy-and deoxyhemoglobin in tissue is
calculated from the change in the detected intensity of light at two wavelengths by solving …

Measurement of myoglobin oxygen saturation in the presence of hemoglobin interference by near-infrared spectroscopy

KA Schenkman, DH Burns - Biomedical Fiber Optic …, 1994 - spiedigitallibrary.org
Spectroscopic measurement of myoglobin oxygenation has been made in the presence of
hemoglobin using visible light. Although the spectral changes with oxygen binding are …

Blood oxyhemoglobin saturation measurements<? xpp qa?> by blue-green spectral shift

KR Denninghoff, RA Chipman… - Journal of Biomedical …, 2007 - spiedigitallibrary.org
Previous work describing a resilient method for measuring oxyhemoglobin saturation using
the blue-green spectral shift was performed using cell free hemoglobin solutions …