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Hydrodynamic Size and Zeta Potential of Antibody, Peptide Aptamers, AuNR, and the Corresponding Conjugates
| antibody | Scheme 1 | Scheme 2 | AuNR | Antibody-AuNR | Scheme 1-AuNR | Scheme 2-AuNR | |
|---|---|---|---|---|---|---|---|
| size (nm) | 23.6 ± 0.3 | 2.4 ± 0.8 | 2.8 ± 1.0 | 87.3 ± 3.8 | 99.6 ± 2.3 | 91.5 ± 1.9 | 89.6 ± 8.2 |
| zeta potential (mV) | −10.6 ± 3.5 | 19.5 ± 1.0 | 11.7 ± 2.1 | −29.2 ± 2.2 | −16.4 ± 1.4 | −10.3 ± 0.7 | −13.5 ± 1.7 |
