Fig. 1From: Preparation and characterization of cetuximab-loaded egg serum albumin nanoparticles and their uses as a drug delivery system against Caco-2 colon cancer cellsA, B Electron micrographs showing nanospherical shape of ESA-NPS and their size quantification. C Electron micrograph showing nanospherical shape of CET-ESA NPs. D Magnified portion of C confirming nanospherical 3D shape of CET-ANPs with a core–shell crosslink (arrows). E Histogram showing numbers and average sizes of CET-ANPs with a range of 15–40 nm detected by TEMBack to article page