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Revista mexicana de física

Print version ISSN 0035-001X


GARCIA-COLLADO, Á.J.; MOLINA-CUBEROS, G. J.  and  NUNEZ, M. J.. Transferencia energética en un modelo multicapa de tejido humano sometido a irradiación electromagnética de alta frecuencia. Rev. mex. fis. [online]. 2009, vol.55, n.1, pp.1-7. ISSN 0035-001X.

The way the energy is absorbed when skin surface is being exposed to an electromagnetic radiation, and the physical consequences involved, are essentially the purposes of this study. In particular, we are dealing with High Frequency radiation. When it is directed toward the surface of the skin, energy is transmitted to its inner layers causing an increase of the temperature. This process has experimentally been proved to be beneficial in many cases. Yet theoretically there is still a slightly hollow basis about it. This study pretends to deal with that subject from its origin, and allows future study doors to tap in depth this theme. Skin tissue is actually a multilayer tissue with a different tissue in each layer. Each one of them is characterized by some parameters, such as permittivity, conductivity, density and specific heat. Two kinds of skin tissues will be analysed: a fibrous and a fatty one, each of both with a different skin humidity. In this study some parameters such as the non-linear temporal evolution of tissue temperature and the redistribution of heat them will be take into account.

Keywords : Radio frequency; absorption; diathermy; tissues; bio-heat equation.

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