Quantitative broadband near-infrared spectroscopy of tissue-simulating phantoms containing erythrocytes

EL Hull, MG Nichols, TH Foster - Physics in Medicine & Biology, 1998 - iopscience.iop.org
We report the use of steady-state diffuse reflectance spectroscopy (SSDRS) to measure the
near-infrared absorption spectrum of liquid phantoms containing human erythrocytes in …

Effect of pigment packaging on diffuse reflectance spectroscopy of samples containing red blood cells

JC Finlay, TH Foster - Optics letters, 2004 - opg.optica.org
We present the results of diffuse reflectance measurements made on the surface of a tissue-
simulating phantom containing intact human erythrocytes. These measurements indicate …

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) …

Measurement of hemoglobin in unlysed blood by near-infrared spectroscopy

JT Kuenstner, KH Norris, WF McCarthy - Applied spectroscopy, 1994 - opg.optica.org
Visible and near-infrared transmittance (T) spectra of unlysed blood samples were obtained
with an NIRSystems Model 6500 spectrophotometer modified for an open cell and a vertical …

Absolute quantification methods in tissue near-infrared spectroscopy

SJ Matcher, PJ Kirkpatrick, K Nahid… - … of Tissue and …, 1995 - spiedigitallibrary.org
Recent work aimed at providing an absolute measurement of tissue haemoglobin saturation
and a new instrument development, the spatially resolved spectrometer (SRS), are …

Quantification in tissue near–infrared spectroscopy

DT Delpy, M Cope - … Transactions of the Royal Society of …, 1997 - royalsocietypublishing.org
In near–infrared spectroscopy (NIRS) of tissue, light attenuation is due to:(i) absorption from
chromophores of fixed concentration,(ii) absorption from chromophores of variable …

Absolute quantification of deoxyhaemoglobin concentration in tissue near infrared spectroscopy

SJ Matcher, CE Cooper - Physics in Medicine & Biology, 1994 - iopscience.iop.org
Describes a simple technique for noninvasively determining the absolute concentration of
deoxyhaemoglobin (Hb) in living tissue using near infrared spectroscopy (NIRS). The …

The determination of in vivo human tissue optical properties and absolute chromophore concentrations using spatially resolved steady-state diffuse reflectance …

RMP Doornbos, R Lang, MC Aalders… - Physics in Medicine …, 1999 - iopscience.iop.org
A method is described for measuring optical properties and deriving chromophore
concentrations from diffuse reflection measurements at the surface of a turbid medium. The …

Spectrally constrained chromophore and scattering near-infrared tomography provides quantitative and robust reconstruction

S Srinivasan, BW Pogue, S Jiang, H Dehghani… - Applied …, 2005 - opg.optica.org
A multispectral direct chromophore and scattering reconstruction technique has been
implemented for near-infrared frequency-domain tomography in recovering images of total …

Hemoglobin oxygen saturations in phantoms and in vivo from measurements of steady‐state diffuse reflectance at a single, short source‐detector separation

JC Finlay, TH Foster - Medical physics, 2004 - Wiley Online Library
We present a method for the analysis of steady state diffuse reflectance spectra obtained
from vascularized tissue or from tissue simulating phantoms at a single, short source …