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. 2019 Apr 16;17:54. doi: 10.1186/s12951-019-0487-x

Fig. 2.

Fig. 2

a Oxidation of AA by Tb4O7 NPs. b ESR spectra of BMPO/·OH generated from a sample solution containing 25 mM BMPO, 1 mM H2O2 in the absence (control) and presence of different concentrations of Tb4O7 NPs