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. 2022 Mar 4;243:123355. doi: 10.1016/j.talanta.2022.123355

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Fig. 4 — (A) Intensity in DLS measurements versus size for pAbS1N@AuNPs before and after incubation with inactivated SARs-CoV-2 virus at 2.11 × 10⁵ TCID₅₀/mL. (B) Effect of SARS-CoV-2 virus concentration on the hydrodynamic diameter of pAbS1N18@AuNPs after conjugation. In both (A) and (B), the results are given as the mean of two experiments and five DLS measurements.