Au/MXene/ZIF-8 electrochemical sensor for ascorbic acid detection
Au/MXene/ZIF-8 modified glassy carbon electrode(Au/MXene/ZIF-8/GCE)was prepared through in-situ growth and electrodeposition methods for the measurement of ascorbic acid levels in actual plasma samples.Electrochemical studies based on CV and DPV revealed that the sensor exhibits a linear response range from 0.1 to 8.0 mmol/L,with a sensitivity of 4.83 μA/μmol·L-1,and a detection limit of 2.45 μmol/L.The recovery rate ranged from 95.8％to 106.7％,and the Relative Standard Deviation(RSD,n=3)was less than 5％.With its low detection limit and high sensitivity,this method shows promise for the detection of ascorbic acid in plasma.
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