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Room temperature UV-Vis spectra of (a) native NDO; (b) in the presence of O2-saturated naphthalene (160 μM); (c) the same sample reported in (b) reduced by the addition of sodium dithionite (1.25 mM), t0 min; (d) t5 min; (e) t10 min; and (f) t15 min.
