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. Author manuscript; available in PMC: 2012 Oct 23.
Published in final edited form as: J Mater Chem. 2012 Aug 21;22(31):15530–15533. doi: 10.1039/C2JM32439C

Fig. 3.

Fig. 3

Resonance Raman spectra of DOPA–TiO2 interactions. (A) Raman spectra of mica coated with amorphous TiO2 before (black line) and after (blue line) incubation with mcfp-1. (B) Background-subtracted spectra of DOPA–TiO2 resonance for samples incubated at pH 5.0 (blue line) and pH 3.0 (red line). Resonance is reduced at lower pH relative to the non-resonant CH vibrational peak (2800–3100 cm−1), but peaks signifying bidentate chelation are still apparent.