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. 2014 Feb 19;5:3325. doi: 10.1038/ncomms4325

Figure 4. Characterization of the enantioselectivity by differential pulse voltammetry.

Figure 4

DPV in 4 mM L-DOPA (blue) and D-DOPA (red) using 50 mM HCl as supporting electrolyte with (a) a flat platinum electrode, (b) a chiral mesoporous platinum electrode imprinted with L-DOPA using a L-DOPA/ PtCl62− ratio of 1/25, (c) a chiral mesoporous platinum electrode imprinted with D-DOPA using a D-DOPA/PtCl62− ratio of 1/25, (d) chiral mesoporous platinum electrodes initially imprinted with L-DOPA, but measured after deliberately destroying the chiral information by scanning the potential between -0.2 V and +1.25 V in 0.5 M H2SO4.