Figure 2: TEM images and DLS results.
From: Simultaneous expression and transportation of insulin by supramolecular polysaccharide nanocluster

(a,b) PEI-Ada–PBCD nanocluster, (c,d) pCMV-Ins@PEI-Ada–PBCD at N/P ratio of 20; (e,f) FITC-insulin@PEI-Ada–PBCD.