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. 2021 Mar 3;9(3):216. doi: 10.3390/vaccines9030216

Figure 1.

Figure 1

Protein profile of heat extracted (HE) antigenic extract obtained from the S. Enteritidis strain 449, free and released in the laboratory from nanoparticles (NP-HE). SDS-PAGE-stained gel with Coomassie blue (image in grayscale; contrasted). Arrows indicate the major well-characterized antigenic proteins with the least reduced integrity after encapsulation (from top to bottom, protein’s molecular weights in kDa: 46.3, 43.5, 41.7, 32.7, 29.0, 22, 17, and 14.5). Lines: molecular weight standard; free HE (40 mg loaded); NP-HE (5 mg).