Intranasal Immunization with Chitosan/pCAGGS-flaA Nanoparticles Inhibits Campylobacter jejuni in a White Leghorn Model

Figure 1

TEM image of chitosan-DNA. Freshly prepared chitosan-DNA solution was negatively stained with uranyl acetate. Scale bars represent 200 nm. The freshly synthesized chitosan-DNA complexes were approximately 80–100 nm in size and nearly spherical under TEM.