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We propose a system to visualize the chirality of the protein in brains,which would be helpful to diagnose early neurological degenerative diseases invivo. These neurological degenerative diseases often occur along with some markproteins. By nanoparticle instilling and metamaterial technique, the chiraleffect of the mark proteins is assumed to be manifest in microwave regime.Therefore, by detecting the transmission of cross-polarization, we could detectthe chirality that rotates the microwave polarization angle. We developed anumerical method to simulate the electromagnetic response upon chiral(bi-isotropic) material. Then a numerical experiment was conduct with anumerical head phantom. A map of cross-polarized transmission magnitude can bereached by sweeping the antenna pair. The imaging results matches well with thedistribution of chiral materials. It suggests that the proposed method would becapable of in vivo imaging of neurological degenerative disease usingmicrowaves.

Microwave Chirality Imaging for the Early Diagnosis of Neurological Degenerative Diseases