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Fig. 2 | Nanoscale Research Letters

Fig. 2

From: Construction and Immunological Evaluation of CpG-Au@HBc Virus-Like Nanoparticles as a Potential Vaccine

Fig. 2

Characterization of Au NPs before and after functionalized with CpG ODNs. a TEM images of the as-synthesized Au NPs; b size distribution; and c UV-vis spectra of Au NPs and CpG-Au NP nanoconjugates. d The fluorescence spectra of the supernatant before (red line) and after (black line) displacement by mercaptoethanol (MCE) of the fluorescein-tagged, thiolated CpG ODNs

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