. Author manuscript; available in PMC: 2012 Mar 8.

Published in final edited form as: Chem Mater. 2011 Mar 8;23(5):1130–1135. doi: 10.1021/cm1024487

Table 1.

Table representing the concentration of Ac-DOPA₄-mPEG and metal salt, the metal-DOPA ratio, the surface plasmon resonance (SPR) center wavelength, and the nanoparticle size determined by TEM of metal nanoparticle samples.

[Ac-DOPA₄-mPEG] (μM)	[Au] (μM)	[Ag] (μM)	[M]/[DOPA]	SPR λ (nm)	Size (nm)
370	107	0	0.0723	525	10.4 ± 6.7
370	427	0	0.289	547	38.7 ± 5.5
370	625	0	0.423	559	68 ± 18
370	1970	0	1.33	ND	N/A
370	0	107	0.0723	415	16.9 ± 2.4