Research Article

A Novel Vaccine Using Nanoparticle Platform to Present Immunogenic M2e against Avian Influenza Infection

Figure 3

Transmission electron microscopy: (a) Mono-M2e (peptide concentration = 0.05 mg/mL) and (b) Tetra-M2e (peptide concentration = 0.04 mg/mL). Samples were negatively stained with 1% uranyl acetate. The samples were in the buffer 20 mM Tris pH 7.5, 150 mM NaCl, and 5% glycerol.
126794.fig.003a
(a)
126794.fig.003b
(b)