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The evolution of the electron paramagnetic resonance (EPR) spectra of (A) DIS3: a) initial, b) 4 days, c) 6 days, d) 10 days, e) 13 days, f) 17 days, and (B) CAT16 in BSA/Au system: a) initial, b) 4 days, c) 10 days, d) 13 days, e) 17 days.
