Fig. 2From: Ruthenium-containing supramolecular nanoparticles based on bipyridine-modified cyclodextrin and adamantyl PEI with DNA condensation propertiesa Images of the Tyndall effect of PEI-Ada (left) and the Ru-CD aggregate solution after adding PEI-Ada (right). b TEM images of PEI-Ada and PEI-Ada@Ru-CDBack to article page