A ratiomectic aptasensor with enhanced signals based on peroxidase-like enzymes and NH2-MIL-101@MoS2 for trace detection of deoxynivalenol in traditional Chinese herbs
The accumulation of the deoxynivalenol (DON) in the human body poses a significant health risk that is often overlooked, and we urgently need an ultra-sensitive rapid detection platform. Due to the porosity of NH 2 -MIL-101@MoS 2 , an increased loading of toluidine blue (TB) serves to create a signal reference. Cobalt@carbon (CoC) derived from metal organic frameworks was combined with NH 2 -MIL-101(NH 2 -MIL-101@CoC) to form an enzyme-free Nanoprobe (Apt-pro) with significant catalytic properties. The ratio (I BQ /I TB ) was changed by varying the electrochemical signal of benzoquinone (BQ) (I BQ ) and the amount of TB deposition (I TB ). This aptasensor was successfully applied to detect DON in malt and peach seed , which exhibited a great linear range from 1 fg/mL to 10 ng/mL and low detection limit of 0.31 fg/mL for DON.
危险品化学品经营许可证（带存储）