TABLE 1
Characterization of
64
Cu-Labeled Peptides
Peptide
RP-HPLC (t
r
-min)
Labeling yield (%)
Radiochemical purity
Receptor affinity (IC
50
) (nM)
64
Cu-NO2A-TFpep
13.5
58
≥98
70 ± 8.0
64
Cu-NO2A-TFscr
13.8
52
≥97
—
IC
50
was determined using copper-NO2A-TFpep as competitor.