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A Seteikin

A Seteikin

Amur State University, Russia

Title: Simulation of thermal reaction of biological tissues to laser-induced fluorescence and photodynamic therapy

Biography

Biography: A Seteikin

Abstract

The aim of this work was to evaluate the temperature fi elds and the dynamics of heat conduction into the skin tissue under several laser irradiation conditions with both a pulsed ultraviolet (UV) laser (λ=337 nm) and a continuous-wave (cw) visible laser beam (λ=632.8 nm) using Monte Carlo modeling. Finite-element methodology was used for heat transfer simulation. Th e analysis of the results showed that heat is not localized on the surface, but is collected inside the tissue in lower skin layers. Th e simulation was made with the pulsed UV laser beam (used as excitation source in laser-induced fl uorescence) and the cw visible laser (used in photodynamic therapy treatments), in order to study the possible thermal eff ects.