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September 10, 2025ChemosensorsOpen Access

An Electrochemical Aptamer Sensor with ZIF-8 Loaded CuNPs Composites for Aflatoxin B1 Determination

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This sensor demonstrates high sensitivity for aflatoxin B1 in corn samples, implying enhanced detection capabilities via nanocomposite materials.

The sensor achieved a lower limit of detection of 1.13 pg/mL for aflatoxin B1 in optimized corn samples.
Quantitative detection offered a wide linear range from 10.0 to 1.0 × 106 pg/mL, revealing its effectiveness.
Cyclic voltammetry and electrochemical impedance spectroscopy validated the electrochemical properties of the modified electrode.
Spiked recovery rates in corn samples ranged from 96.663% to 105.72%, confirming the sensor's reliability.

Chen et al. (2025) studied this question.

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This sensor demonstrates high sensitivity for aflatoxin B1 in corn samples, implying enhanced detection capabilities via nanocomposite materials.