Table 2.

Dielectric properties of brain phantoms over time at 1 GHz.

Measured Property	Day 1	Day 6
${ϵ}^{\prime }$ sample 1	44.5	51.2
${ϵ}^{\prime }$ sample 2	46.2	51.6
${ϵ}^{″}$ sample 1	0.43	0.51
${ϵ}^{″}$ sample 2	0.42	0.48