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XPS spectral information
| Samples | Atomic elemental compositiona |
N position (eV)b | ||
|---|---|---|---|---|
| %C | %O | %N | ||
| New SPCE | 67.9 | 16.5 | 2.4 | 399.8 |
| SPCE in PBS to +1.5 V | 62.1 | 21.9 | nd | N/A |
| SPCE in histamine to +1.0 V | 66.3 | 17.2 | 3.1 | 399.9 |
| SPCE in histamine to +1.5 V | 51.4 | 22.6 | 15.5 | 399.8, 400.9 |
“nd” = not detected.
Values shown are average values from two samples. Other atoms might be present, so atomic compositions do not add to 100 %.
N positions are corrected by shifting the C 1s peak to 284.8 eV.
