Figure 10

Comparison of the encapsulation samples from the 5, 10 and 15 nm citrate-coated GNPs. The sizes of the free gold nanoparticles (GNP, red), empty protein nanoparticles (SAPN, green), and gold nanoparticles encapsulated by protein nanoparticles (GNP@SAPN, blue) measured from the TEM images of the encapsulation samples from (a) the 5 nm citrate-coated GNPs (Figure 2a), (b) the 10 nm citrate-coated GNPs (Figure 3b), and (c) the 15 nm citrate-coated GNPs (Figure 4a), respectively. The sizes were obtained by the program ImageJ, and presented as box-and-whisker plots (the bottom and top of the box are the lower and upper quartiles, the band near the middle of the box is the median, and the ends of whiskers represent the minimum and maximum sizes).