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. Author manuscript; available in PMC: 2021 Jul 1.
Published in final edited form as: Adv Healthc Mater. 2020 May 25;9(13):e2000310. doi: 10.1002/adhm.202000310

Figure 6.

Figure 6

Confocal microscopy images of (left) bacteria-targeting capability of MSN-G3 materials and (right) biofilm-targeting capability of MSN-ConA, respectively. The external functionalization with a polycationic dendrimer (G3) favors the internalization ofthese modified nanosystems (MSN-G3) within the E. coli bacteria. The left image shows the bacterial wall in red and MSN-G3 nanosystem in green.[177] In the case of the external functionalization with the lectin (ConA), such modification enhances the internalization of the MSN-ConA nanosystem into the biofilm, even penetrating its innermost parts. The right image shows the biofilm composed by living bacteria in green and the biofilm matrix in blue, in this case the NPs are stained in red.[174]