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N/Fe and O/Fe atomic ratios inferred from XPS analysis of bare NPs, hybrids, and related nanovectors NH-TRAIL@NPs-CO and CO-TRAIL@NPs-NH.
| Ratio | NP | NPs-CO | NH-TRAIL@NP-CO | NPs-NH | CO-TRAIL@NPs-NH |
|---|---|---|---|---|---|
| at.-N/Fe | 0 | 0 | 0.25 | 0.12 | 0.20 |
| at.-O/Fe | 2.88 | 2.96 | 5.59 | 2.17 | 3.69 |
