Figure 2
Raman spectra and confocal Raman mapping of the interaction of S. aureus with TiO 2 nanoparticles. The Raman spectra of (A) C150, (B) C200 and (C) S. aureus. Optical image of the aggregated bacteria S. aureus interacting with C150 (D), confocal Raman mapping of the S. aureus Raman signals (E) and confocal Raman mapping of C150 (F), optical image of the aggregated bacteria S. aureus interacting with C200 (G), confocal Raman mapping of the S. aureus signals (H) and confocal Raman mapping of C200 (I).