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. 2022 Oct 26;16(11):18232–18243. doi: 10.1021/acsnano.2c05710

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© 2022 The Authors. Published by American Chemical Society

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(A) Rates corresponding to the (4)-pA-AuNPs (aptananozyme IV)-catalyzed oxidation of l-DOPA (a) and d-DOPA (b) by H₂O₂, 10 mM, to yield l-dopachrome and d-dopachrome in the presence of variable concentrations of l-DOPA and d-DOPA, respectively. (c, d) Rates corresponding to the oxidation of l-DOPA and d-DOPA in the presence of variable concentrations of l-/d-DOPA by H₂O₂, using the separated pA-AuNPs and DBA, respectively. (B) Rates corresponding to the aptananozyme IV-catalyzed oxidation of l-DOPA (a) and d-DOPA (b) by H₂O₂ generated by the aerobic oxidation of glucose, 50 mM, to yield l-dopachrome and d-dopachrome in the presence of variable concentrations of l-DOPA and d-DOPA, respectively. (c, d) Rates corresponding to the oxidation of l-DOPA and d-DOPA in the presence of variable concentrations of l-/d-DOPA by H₂O₂ generated by the aerobic oxidation of glucose, 50 mM, using the separated pA-AuNPs and DBA, respectively. In all experiments, the concentration of the aptananozyme IV corresponds to 5 nM. Error bars are derived from N = 3 experiments.