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. 2015 Oct 9;13:67. doi: 10.1186/s12951-015-0129-x

Fig. 2.

Fig. 2

Characterization of nanoparticles. a Shows appearance of GNPs (left) and GAL-PEG-GNPs (right); b shows size distribution of GNPs (blue) and GAL-PEG-GNPs (red), respectively; c shows absorption peak of GNPs (blue) and GAL-PEG-GNPs (red), respectively; d shows the images of GNPs (left) and GAL-PEG-GNPs (right) detected by TEM