Abstract
The aim of the work was to evaluate the dielectric properties of human tissues in ex vivo conditions. The study was performed on 68 tissue samples, 20 of which were fragments of muscle tissue, 17 – fatty, 11 – fibrous and 20 – a full-layer skin flap. The analysis of the dielectric properties of tissue fragments was carried out by the method of near-field resonant microwave sounding using a special software and hardware complex. The study made it possible to verify the presence of pronounced differences in the dielectric properties of tissues depending on their histotype. It was revealed that adipose tissue has the highest level of dielectric permittivity, and fibrous tissue has the lowest one. Muscle tissue and a full-layered skin flap occupy an intermediate position between them. These data are fundamentally important for the creation of standards for the dielectric characteristics of biological objects and the further development of near-field resonant microwave sensing technology as an innovative medical imaging technology.
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