Table 1.

Solubility, size, charge, and GRP receptor binding affinity of AuNP–BBN conjugates

		Size (nm)
Sample	Solubility (mg/mL)	TEM	CPS	DLS	Zeta potential (mV)	IC50 (μg/mL) with PC-3
Au–BBN-1	5	16 ± 7	70	115	−23.4	8.10 ± 0.30
Au–BBN-2	5	16 ± 5	117	137	−26.2	3.37 ± 0.44
Au–BBN-3	<3	16 ± 5	125	155	−27.2	2.45 ± 0.18