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. 2014 Dec 15;4:7490. doi: 10.1038/srep07490

Table 1. Physical characteristics of C225-AuNPs and IgG-AuNPs.

  C225-AuNPs IgG-AuNPs
size 25 nm 30 nm
charge −20.4 mV −18.1 mV
polydispersity index 0.463 0.334
coupling ratio 34:1 39:1