Fig. 18. Confocal microscopy images of the antibacterial activity of MSN-G3 nanocarriers loaded or not (B) with Zn2+ (C) or Ag+ (D) compared to the control (A) onto Gram-negative E. coli biofilm formed onto covered glass-disk. Live bacteria are stained in green, dead bacteria in red and the matrix biofilm in blue.625 Reproduced with permission from ref. 625. Copyright 2021, Elsevier Ltd on behalf of Acta Materialia Inc.
