232863.fig.004a
(a)
232863.fig.004b
(b)
Figure 4: ITLC (a, in saline) and HPLC (b, NaI detector) analysis of 99mTc-ECG (mobile phase: H2O/acetonitrile, 9 : 1 V/V, flow rate: 0.5 mL/min, Column: C18-extend (Agilent), UV ABS: 210 nm). Radio-TLC and HPLC analyses of the purity of 99mTc-ECG were >96%.