Table 1. Relative activity of iron complexes with selected ligands.
Ligand | Fenton | Method, Ref. | Haber-Weiss | Method, Ref. | Ascorbate, Ref. |
---|---|---|---|---|---|
EDTA | 100% | 100% | 100% | ||
DFO | 10% | C23 | 11% | C21 | 5%23 |
7% | C12 | 1% | B24 | ||
15% | C23 | ||||
13% | C12 | ||||
DTPA | 84% | A13 | 3% | A13 | |
670% | B24 | <1% | B24 | ||
50% | C12 | 33% | C12 | ||
1% | |||||
Citrate | 60% | A13 | 4% | A13 | |
58% | C12 | 14% | C12 |
Methods: A, xanthine oxidase followed by oxidation of formate to CO2; B, pulse radiolysis followed by oxidation of formate to CO2; C, hydroxylation of salicylate.