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Raman signals for the modified electrodes.
| Wavenumber / cm−1 | ||||
|---|---|---|---|---|
| Modified electrode | C-S-C deformation | Amide III | C —C stretching for PEDOT and Amide III for antigen | Amide III (α-helix) |
| PEDOT | 692 | – | 1251 | – |
| PEDOT/AuNPs | 698 | – | 1248 | – |
| PEDOT/AuNPs /AG | 699 | 1217 | 1251 | 1315 |
| Literature [69, 74, 76, 77] | 691–698 | 1208 / 1224 | 1250 (for PEDOT) 1240–1250 (Amide III) | 1320 |
