NDLI: Thermal changes in the absorption spectra of blood with supravascular infrared laser irradiation in vivo

Content Provider	Springer Nature Link
Author	Zalesskaya, G. A. Astaf’eva, L. G. Batai, L. E.
Copyright Year	2011
Abstract	We have studied the effect of laser radiation (λ = 1960 nm, power density from 6 to 25 W/cm$^{2}$) on the absorption spectra of rat blood with supravascular irradiation. We have established that absorption of laser radiation leads to a decrease in the degree of oxygen saturation of mixed venous blood due to its heating. We have estimated the initial heating temperatures of venous blood and the surface of the irradiated tissue using an optothermal model, taking into account the characteristics of the laser radiation and the optical and thermal characteristics of the biological tissue. We consider the effect of radiation-induced thermal dissociation of oxyhemoglobin on the oxygen transport characteristics of the blood and metabolic processes.
Starting Page	579
Ending Page	585
Page Count	7
File Format	PDF
ISSN	00219037
Journal	Journal of Applied Spectroscopy
Volume Number	78
Issue Number	4
e-ISSN	15738647
Language	English
Publisher	Springer US
Publisher Date	2011-09-17
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	blood laser radiation absorption spectrum of blood degree of oxygen saturation of blood heating temperature Atomic/Molecular Structure and Spectra Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Spectroscopy Condensed Matter Physics

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Thermal changes in the absorption spectra of blood with supravascular infrared laser irradiation in vivo