Abstract
Due to the admirable conductivity and catalytic performance of d-Ti3C2Tx and MWCNTs, a nanocomposite of d-Ti3C2Tx/MWCNTs was synthesized with excellent electrochemical properties. After thoroughly characterized by SEM, TEM, XRD and XPS, the d-Ti3C2Tx/MWCNTs composite was utilized as electrochemical sensing platform for detecting luteolin in peanut shell. The electrochemical behavior of luteolin at the modified electrode was systematically studied by CV and DPV. Under the optimum conditions, the modified electrode exhibited a commendable electrochemical response to luteolin in 0.1 M PBS (pH = 3.0). The linear response range for luteolin was 0.005–1.0 μM, with the detection limit (S/N = 3) of 1.6 nM. The results are better than many other literature results and the HPLC method. The developed sensing platform exhibited good anti-interference, stability and reproducibility. The practical feasibility of the method was also conducted by the determination of luteolin in peanut shell samples.
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