Table 2. Potentials and peak width (calculated from CV curves), b1/2-peak width at half height from (calculated from DPV curves) for particular Cu(II)-peptide complexes.
complex | Ea | Ea/2 | Ea-Ea/2 | Ec | Ec/2 | Ec-Ec/2 | ΔE | Ef | b1/2 |
---|---|---|---|---|---|---|---|---|---|
Cu(II)-NSFRF-NH2 | 538 ±1 | 479 ±2 | 59 ±2 | 472 ±3 | 415 ±3 | -43 ±3 | 66 ±3 | 505 ±1 | 100 ±1 |
Cu(II)-NSFRY-NH2 | 518 ±2 | 460 ±1 | 58 ±2 | 450 ±2 | 498 ±3 | -48 ±3 | 69 ±3 | 484 ±1 | 108 ±0 |
Cu(II)-NSFRA-NH2 | 507 ±2 | 444 ±5 | 63 ±4 | 438 ±2 | 489 ±2 | -51 ±2 | 68 ±2 | 472 ±1 | 100 ±1 |
Cu(II)-NSAAY-NH2 | 503 ±3 | 440 ±3 | 63 ±3 | 417 ±4 | 470 ±3 | -53 ±5 | 86 ±5 | 460 ±3 | 98 ±4 |
Cu(II)-AAAAA-NH2 | 457 ±9 | 375 ±4 | 81 ±6 | 307 ±16 | 375 ±14 | -68 ±7 | 150 ±24 | 382 ±6 | 127 ±13 |
Ea/ Ec- anodic/cathodic peak potential
Ea/2/ Ea/2 –anodic/cathodic potential at which the current reaches half of the peak current
∆E—the difference between anodic and cathodic potential | Ea—Ec |
Ef—formal potential