Figure 1

Characterization of nanoparticles and nanoparticle-pDNA complexes.

(a) EDS spectrum of CeO₂; (b) FTIR spectrum of CeO₂; (c) UV spectra of CeO₂, CeO₂/DODAB and CeO₂/DODAB–pDNA complexes; (d–f) TEM images of CeO₂, CeO₂/DODAB and CeO₂/DODAB–pDNA complexes at different magnifications.