Figure 2

Representative MRM chromatograms of ¹⁷⁵Lu-DOTA-PSMA-GUL (analyte) and internal standard (IS) obtained from blank matrix (left) and blank matrix spiked with ¹⁷⁵Lu-DOTA-PSMA-GUL at LLOQ and IS (right) for plasma (A), urine (B), feces (C), and prostate (D).