Hyperthermia Dosing and Depth of Effect

Hyperthermia Dosing and Depth of Effect

Szasz Oliver1, Szigeti Gyula Peter2, Vancsik Tamas3, Szasz Andras1

1Department of Biotechnics, St. Istvan University, Budapest, Hungary

2Institute of Human Physiology and Clinical Experimental Research, Semmelweis University, Budapest, Hungary

3Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary


The penetration depth in the electromagnetic heating could be a crucial factor of its application, when the deep heating is the goal. The capacitive coupling is one of the most popular heating techniques in radiofrequency (RF) heating applications. The matching of the target defines the penetration possibilities. The current matched solution has deeper mathematically defined penetration in RF region than the capacitive plane-wave solution. The same power of application

request high voltage with relatively low current for plane-wave inducing, while in current matching it has low voltage with high current. The effective depth of the action in the two solutions do not identical, the penetration defined by the intensity of 1/e portion of the incident beam is higher in the current-matched techniques.


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