Figure 4.

FT-IR spectra for free PBHs and PBH-capped AuNPs. (a) Free PBH (Gly-Tyr-Met)2B (bottom) and AuNP Au[(Gly-Tyr-Met)2B] (top), (b) free PBH (Gly-Trp-Met)2B (bottom) and AuNP Au[(Gly-Trp-Met)2B] (top) and (c) free PBH (Met)2B (bottom) and AuNP Au[(Met)2B] (top).

Connolly et al. Nanoscale Research Letters 2013 8:315   doi:10.1186/1556-276X-8-315
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