Hence, fluorescence quenched and activatable HER2’scFv and FAP’scFv bearing bispecific Bi-FAP/HER2-IL could be exploited for tumor imaging purposes as demonstrated previously for other targeted quenched liposomes, and also for elucidating the features of the HER2’scFv as ligand for nano-therapeutics [34,43,45]. This evidence concerns the gene FAP and neoplasm.