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Proceedings Paper

Comparison of linear polarization degree in healthy and wounded rat skin
Author(s): Martha S. Ribeiro; Anderson Z. Freitas; Daniela F.T. Silva; Denise Maria Zezell; Cleusa M. R. Pellegrini; Fabiano G. Costa; Telma M. T. Zorn
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Paper Abstract

Low-intensity laser therapy (LILT) with adequate wavelength, intensity, and dose can accelerate tissue repair. However, there is still disperse information about light characteristics. Several works indicate that laser polarization plays an important role on the wound healing process. This study was conducted to verify the degree of linear polarization in normal and pathological rat skin samples. Artificial burns about 6 mm in diameter were created with liquid N2 on the back of the animals. The degree of polarization was measured in normal and pathological skin samples. It was verified that linearly polarized light can survive in the superficial layers of skin and it can be more preserved in skin under pathological condition when compared with health skin. The present study supports the hypothesis that polarized laser radiation can be used to treat open wounds and improve the healing.

Paper Details

Date Published: 26 October 2001
PDF: 4 pages
Proc. SPIE 4433, Laser-Tissue Interactions, Therapeutic Applications, and Photodynamic Therapy, (26 October 2001); doi: 10.1117/12.446499
Show Author Affiliations
Martha S. Ribeiro, Instituto de Pesquisas Energeticas e Nucleares (Brazil)
Anderson Z. Freitas, Instituto de Pesquisas Energeticas e Nucleares (Brazil)
Daniela F.T. Silva, Instituto de Pesquisas Energeticas e Nucleares (Brazil)
Denise Maria Zezell, Instituto de Pesquisas Energeticas e Nuclearers (Brazil)
Cleusa M. R. Pellegrini, Univ. de Sao Paulo (Brazil)
Fabiano G. Costa, Univ. de Sao Paulo (Brazil)
Telma M. T. Zorn, Univ. de Sao Paulo (Brazil)


Published in SPIE Proceedings Vol. 4433:
Laser-Tissue Interactions, Therapeutic Applications, and Photodynamic Therapy
Reginald Birngruber; Hubert van den Bergh, Editor(s)

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