Fig. 4. EM micrographs of differently sized AuNPs interacting with lipid model membrane and micelles.

a The AuNPs–LUVs mixture of 5, 25 and 60 AuNP interacting with LUVs, has been concentrated by gentle centrifugation and imaged by Cryo-EM. TEM micrographs of b DHPC micelles interacting with c 5 nm and d 10 nm AuNPs. Scale bar 50 nm.