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. 2019 Mar 16;9(7):1993–2002. doi: 10.7150/thno.31943

Figure 2.

Figure 2

The fluorescence spectra of tyramine-H2O2 system (A) and UV-Visible absorbance spectra of ABTS-H2O2 system (B) catalyzed by a series of probes, after incubation with hemin.