Figure 5 | Scientific Reports

Figure 5

From: Quantification of tramadol and serotonin by cobalt nickel tungstate in real biological samples to evaluate the effect of analgesic drugs on neurotransmitters

Figure 5

Peaks show the effects of concentrations (A–C) and pH (D–F) on the electrochemical response of CoNiWO4-GCE for the electrochemical sensing of Ser and Tra in 0.1 M PBS. (A) Effect of concentrations of Ser, (B) effect of concentrations of Tra, (C) simultaneous effect of concentrations of Ser and Tra, (D) effect of pH on Ser detection, (E) effect of pH on Tra detection, and (F) effect of pH on simultaneous detection of Ser and Tra.

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