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. 2020 Dec 4;15(12):e0243500. doi: 10.1371/journal.pone.0243500

Fig 1. SEM micrographs of uncoated and biofilm-coated microbeads before and after microinjection, and after sonication.

Fig 1

SEM micrographs of uncoated microbeads at X800 (A) and X5000 (B) magnification, biofilm-coated microbeads before passing through the 34G needle used for microinjections at X2000 (C) and X4000 (D) magnification, biofilm-coated microbeads after passing through the 34G needle used for microinjections at X2000 (E) and X3700 (F) magnification, and sonicated biofilm-coated microbeads at X2000 (G) and X8000 (H) magnification. Filled red arrowheads in C and E indicate microbeads and red arrows in C and E indicate biofilm extracellular matrix. Scale bar: 20 μm (A), 10 μm (C, E, G), 5 μm (B, D, F), 2 μm (H).