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Proceedings Paper

Near-infrared time-resolved spectroscopy and fast scanning spectrophotometry in ischemic human forearm
Author(s): Marco Ferrari; Roberto Alberto De Blasi; Piero Bruscaglioni; Marco Barilli; Luca Carraresi; Massimo Gurioli; Enrico Quaglia; Giovanni Zaccanti
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Paper Abstract

Human forearm oxygenation and scattering changes during ischemia were investigated using picosecond near infrared laser spectroscopy. Path lengths were calculated for different geometries. At 760 nm, a plateau phaser was reached after 4 min occlusion. No changes were observed during the occlusion at 800 nm, the hemoglobin isosbetic wavelength. Time-resolved Monte Carlo simulations were performed also to mimic the propagation of a light pulse in a forearm phantom containing different quantity and size of polystyrene spheres as scattering media. The influence of both the scattering and absorption effects was studied.

Paper Details

Date Published: 1 May 1991
PDF: 8 pages
Proc. SPIE 1431, Time-Resolved Spectroscopy and Imaging of Tissues, (1 May 1991); doi: 10.1117/12.44198
Show Author Affiliations
Marco Ferrari, Univ. dell'Aquila and Istituto Superiore di Sanita (Italy)
Roberto Alberto De Blasi, Univ. di Roma (Italy)
Piero Bruscaglioni, Univ. di Firenze (Italy)
Marco Barilli, Univ. di Firenze (Italy)
Luca Carraresi, Univ. di Firenze (Italy)
Massimo Gurioli, LENS (Italy)
Enrico Quaglia, Univ. di Roma (Italy)
Giovanni Zaccanti, Univ. di Firenze (Italy)

Published in SPIE Proceedings Vol. 1431:
Time-Resolved Spectroscopy and Imaging of Tissues
Britton Chance, Editor(s)

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