Table 2.
Surface elemental composition determined by XPS.
| Samples | C% | N% | O% | S% |
|---|---|---|---|---|
| 316L SS | 69.30 | 5.76 | 24.83 | 0.12 |
| SS-DA | 74.74 | 7.98 | 17.27 | 0 |
| SS-DA-NP | 65.78 | 9.68 | 23.44 | 1.11 |
| SS-DA-NP@NGF | 63.58 | 11.87 | 23.68 | 0.87 |
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