Development of an agar phantom adaptable for simulation of various tissues in the range 5-40 MHz.

A phantom, electrically adaptable for simulation of various tissues, was developed using agar as the jelly. This phantom has the following features: the dielectric property is specified in the range 5-40 MHz, the conductivity can be varied between 0.02 and 1.23 S m-1, the permittivity can be varied between 35 and 80, preparation and handling are readily facilitated; the original shape is retained for over one year, and it is free from deterioration caused by mould for at least one year.

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