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Physicochemical characterization of OMPs-F-PNPs.
Notes: (A) FESEM analyses (60 k; 500 nm scale bar). (B) Average particle size distribution (215 nm and PDI 0.2). (C) Average zeta potential distribution (−38 mV). OMPs-F-PNPs, OMPs and F-protein-entrapped and surface F-protein-coated PNPs.
Abbreviations: F, flagellar; OMPs, outer membrane proteins; PDI, polydispersity index; PNPs, polyanhydride nanoparticles; FESEM, field emission scanning electron microscope.
