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. 2016 Dec 29;85(1):e00626-16. doi: 10.1128/IAI.00626-16

FIG 3.

FIG 3

Transmission electron microscopy examination of outer membrane vesicle morphology. OMVs purified from the strains indicated were diluted to a concentration of 1 μg/μl in PBS. Grids were floated in OMV solution for 1 min, washed with 2% acidic uranyl acetate, and blotted dry before visualization under TEM. Scale bars are 100 nm.