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Figure 3 | Chemistry Central Journal

Figure 3

From: Anthraquinonyl glycoside facilitates the standardization of graphene electrodes for the impedance detection of lectins

Figure 3

Characterization of the compound-graphene complex and sensor selectivity. Raman spectra of (a) nano-graphene (nG) and (b) nG complexed with ZBW1; (c) UV-vis spectra of nG, ZBW1 and the complex; (d) Selectivity of ZBW1- decorated graphene electrode for different proteins including the N-acetyl glucosamine-selective wheat germ agglutinin (WGA), the galactose-selective peanut agglutinin (PNA), bovine serum albumin (BSA) and pepsin (Pep) determined by electrochemical impedance spectroscopy. The original EIS spectra are shown in Additional file 1: Figure S5.

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