Figure 1

Synthetic procedures of 99mTc-MAG3-bevacizumab and its quality control by size-exclusion HPLC. (a) The synthetic routes of 99mTc-MAG3-bevacizumab. (b) The radio-HPLC analysis of 99mTc-MAG3-bevacizumab. (c) The UV signal of MAG3-bevacizumab at 280 nm. (d) The UV signal of bevacizumab at 280 nm.