Table 2. Dynamic Light Scattering of Protein–AuNP Conjugates.
sample | predicted single protein layer (nm) | RHa(nm) | RH increase (nm) | no. of protein layers |
---|---|---|---|---|
30 nm AuNPs | 19.5 ± 0.3 | |||
BCA-AuNPs | 3.4 | 22.1 ± 0.5 | 2.7 ± 0.6 | 0.8 ± 0.2 |
GB3-AuNPs | 2.2 | 22.5 ± 0.2 | 3.1 ± 0.4 | 1.4 ± 0.2 |
Hydrodynamic radius, observed by DLS. Uncertainties are the standard error of the mean from three independently prepared samples.