Comparison of linear polarization degree in healthy and wounded rat skin

Martha S. Ribeiro; Anderson Z. Freitas; Daniela F.T. Silva; Denise Maria Zezell; Cleusa M. R. Pellegrini; Fabiano G. Costa; Telma M. T. Zorn

doi:10.1117/12.446499

26 October 2001 Comparison of linear polarization degree in healthy and wounded rat skin

Martha S. Ribeiro, Anderson Z. Freitas, Daniela F.T. Silva, Denise Maria Zezell, Cleusa M. R. Pellegrini, Fabiano G. Costa, Telma M. T. Zorn

Author Affiliations +

Proceedings Volume 4433, Laser-Tissue Interactions, Therapeutic Applications, and Photodynamic Therapy; (2001) https://doi.org/10.1117/12.446499
Event: European Conferences on Biomedical Optics, 2001, Munich, Germany

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.

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Martha S. Ribeiro, Anderson Z. Freitas, Daniela F.T. Silva, Denise Maria Zezell, Cleusa M. R. Pellegrini, Fabiano G. Costa, and Telma M. T. Zorn "Comparison of linear polarization degree in healthy and wounded rat skin", Proc. SPIE 4433, Laser-Tissue Interactions, Therapeutic Applications, and Photodynamic Therapy, (26 October 2001); https://doi.org/10.1117/12.446499

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