Positron Emission Tomography (PET) is a clinically established noninvasive imaging modality [1]. In PET, targeting ligands, or drug molecules labeled with a positron-emitting isotope, typically known as PET-radiopharmaceuticals, are introduced in to the body at a very low concentration (nanomolar or picomolar range), and are not intended to have any pharmacological effect. As the radioisotope d...
