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. 2017 Jul 5;7:4636. doi: 10.1038/s41598-017-04098-6

Figure 5.

Figure 5

Abiotic analysis of CNP redox activity. (a) ESR spectra of DMPO spin abduct signals produced by UV-irradiated TiO2 suspensions at 800 µg/mL ± CNPs at 400 µg/mL. On the right a table reporting the DMPO-OH residual signal in the presence of C1, C1–450, C2, C3, and C4 samples. (b) ESR analysis of TEMPOL decomposition into TEMPONE during continuous irradiation of TiO2 (800 µg/mL) ± CNPs (400 µg/mL). On the left the TEMPOL signal reduction and the TEMPONE formation kinetics for 525 s, on the right % of TEMPOL disappearance and TEMPONE formation after 525 s.