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Resolution: standard / high Figure 2.
Characteristics of the AuNPs and surface chemistry ofSAandSD. Histogram of AuNP diameters (a) and XPS survey spectra of (b) the aminated Si substrate (SA) and (c) DOPA-functionalized Si substrate (SD). Inset in (a): TEM images of the AuNPs.
Lee et al. Nanoscale Research Letters 2012 7:608 doi:10.1186/1556-276X-7-608 |
