Research Article

Chiral Discrimination of Tryptophan Enantiomers via (1R, 2R)-2-Amino-1, 2-Diphenyl Ethanol Modified Interface

Figure 4

Cyclic voltammograms (A) and electrochemical impedance spectroscopy (B) of enantioselective responses: (a) and (b) (1R, 2R)-ADE-MPA modified Au electrode. (c) 5 mM D-Trp reacted with the modified electrode. (d) 5 mM L-Trp reacted with the modified electrode.
502364.fig.004a
502364.fig.004b