Effect of the meniscus at the solid-liquid interface on the microwave exposure of biological samples

In this study, numerical simulations have been carried out to show the importance of modeling the meniscus for in vitro theoretical and experimental dosimetry. A plane wave has been considered impinging from different directions on a Petri dish filled with 2 or 4 mL of culture medium at 0.9, 1.8, and 2.5 GHz. Results indicate that the meniscus has a significant effect on the distributions of power loss density and temperature inside the medium; thus it must be taken into consideration for correct dosimetric evaluations.