Noninvasive determination of the optical properties of two-layered turbid media

A Kienle, MS Patterson, N Dögnitz, R Bays… - Applied …, 1998 - opg.optica.org
Light propagation in two-layered turbid media having an infinitely thick second layer is
investigated in the steady-state, frequency, and time domains. A solution of the diffusion …

Effect of temperature on the optical properties of ex vivo human dermis and subdermis

J Laufer, R Simpson, M Kohl… - Physics in Medicine & …, 1998 - iopscience.iop.org
The effect of temperature on the optical properties of human dermis and subdermis as a
function of near-infrared wavelength has been studied between C and C. Measurements …

Accuracy of the one-point in vivo calibration of “wired” glucose oxidase electrodes implanted in jugular veins of rats in periods of rapid rise and decline of the glucose …

DW Schmidtke, A Heller - Analytical Chemistry, 1998 - ACS Publications
The hypothesis of the feasibility of one-point in vivo calibration of intravenously implanted
glucose sensors during periods of rapid rise and decline of venous blood glucose …

Influence of a superficial layer in the quantitative spectroscopic study of strongly scattering media

MA Franceschini, S Fantini, LA Paunescu, JS Maier… - Applied …, 1998 - opg.optica.org
We have experimentally investigated the meaning of the effective optical absorption
[μ_a^(eff)] and the reduced scattering [μ_s′^(eff)] coefficients measured on the surfaces of …

Influence of layered tissue architecture on estimates of tissue optical properties obtained from spatially resolved diffuse reflectometry

TJ Farrell, MS Patterson, M Essenpreis - Applied optics, 1998 - opg.optica.org
Most instruments used to measure tissue optical properties noninvasively employ data-
analysis algorithms that rely on the simplifying assumption that the tissue is semi-infinite and …

Investigation of two-layered turbid media with time-resolved reflectance

A Kienle, T Glanzmann, G Wagnieres… - Applied …, 1998 - opg.optica.org
Light propagation in two-layered turbid media that have an infinitely thick second layer is
investigated with time-resolved reflectance. We used a solution of the diffusion equation for …

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 …

Accuracy of the diffusion approximation in determining the optical properties of a two-layer turbid medium

G Alexandrakis, TJ Farrell, MS Patterson - Applied optics, 1998 - opg.optica.org
We have examined the possibility of determining the optical properties of a two-layer
medium by using a diffusion approximation radiation transport model [Appl. Opt. 37, 779 …

Continuous amperometric monitoring of glucose in a brittle diabetic chimpanzee with a miniature subcutaneous electrode

JG Wagner, DW Schmidtke, CP Quinn… - Proceedings of the …, 1998 - National Acad Sciences
The performance of an amperometric biosensor, consisting of a subcutaneously implanted
miniature (0.29 mm diameter, 5× 10− 4 cm2 mass transporting area), 90 s 10–90 …

Noninvasive glucose monitoring in vivo with an optical heterodyne polarimeter

C Chou, CY Han, WC Kuo, YC Huang, CM Feng… - Applied Optics, 1998 - opg.optica.org
An amplitude-sensitive optical heterodyne polarimeter was set up to monitor noninvasively
the aqueous glucose concentration in a rabbit's eye. A Zeeman laser in conjunction with a …