Table 2.
Gold nanostructures |
Coverage density of PEG-NH2 chainsb |
Coverage density of active -NH2 groupsc |
---|---|---|
PVP-capped AuNCsd | 0.61 | 0.19 |
CTAC-capped AuNPs | 0.41 | 0.22 |
citrate-capped AuNPs | 1.63 | 1.01 |
CTAB-capped AuNRs | 0.052 | 0.029 |
The coverage density is defined as the number of PEG-NH2 chains per nm2 of Au surface
Measured by the fluorescamine-based assay
Measured by the FITC-labeling assay
The inner surface and pores of the AuNCs were not included