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PMA and PMA corona shell thickness on AuNPs calculated using a core shell model on DCS measurements.
| 5 Au | 25 Au | 50 Au | |
|---|---|---|---|
| Au-PMA ρeff[g cm−3] | 1.5 ± 0.1 | 7.7 ± 0.1 | 10.9 ± 0.2 |
| PMA layer [nm]* | 5.3 ± 0.5 | 5.3 ± 0.1 | 5.9 ± 0.2 |
| Au-PMA-Corona ρeff [g cm−3] | – | 7.2 ± 0.1 | 7.0 ± 0.4 |
| Corona layer [nm]* | – | 0.5 ± 0.1 | 5.9 ± 0.9 |
*PMA and biomolecular corona thickness are calculated by applying the core–shell model as indicated in the Methods section.
