Peptide-biphenyl hybrid-capped AuNPs: stability and biocompatibility under cell culture conditions

Table 1 Structural characteristics of the AuNPs from elemental analysis and TEM data

AuNP	Size (nm)	Calculated m/n^afrom %N^b	Number of Au atoms^c	PBH units per Au nanoparticle	Mw
Au[(Gly-Trp-Met)₂B]	1.6	0.062	126	8	32,106
Au[(Gly-Tyr-TrCys) ₂ B]	1.8	0.22	180	40	90,397
Au[(Gly-Tyr-Met)2B]	1.5	0.064	104	7	27,100
Au[(Met)₂B]	2.3	0.154	375	57	102,625
Au[(TrCys)₂B]	2.3	0.26	375	97	164,377

Bold emphasis is used to signal the most stable AuNP; ^am, Number of PBH units; n, Number of Au atoms; ^b%N from elemental analysis; ^cestimated supposing spherical particles and applying N = 30.89602 D3 [47].