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. 2015 Jan 14;54(14):4187–4191. doi: 10.1002/anie.201409602

Figure 2.

Figure 2

Synthesis and characterization of AuNP-1. a) Nanoparticle synthesis. 1) AuPPh3Cl, borane tert-butylamine complex, DMF/THF 1:9, RT, 6 h. b) 1H NMR spectra ([D7]DMF, 500.1 MHz, 295 K): 12 (top); AuNP-1 (middle); AuNP-1­ T2-filtered spectrum (bottom). Signals at 8.02, 3.50, 2.92, and 2.75 ppm correspond to residual nondeuterated solvent and water. c) 19F NMR spectra ([D7]DMF, 470.5 MHz, 295 K): 12 (top); AuNP-1 (bottom). d) Size distribution of a representative batch of AuNP-1 (mean diameter 3.39±0.61 nm). e) UV/Vis spectrum of AuNP-1 in DMF (SPR λmax=509 nm). f) LDI-MS of AuNP-1.