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A sensitive colorimetric sensor for methamphetamine detection based on the peroxidase-like activity of Fe3O4-VB2@CeO2 nanozyme
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DOI：10.1016/j.microc.2026.119334.png)
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Abstract
En 中文
• A Fe3O4-VB2@CeO2 ternary nanozyme was designed for METH detection. • Selective recognition of METH over HER/MOR via –NH and electrostatic attraction. • The sensor shows a low LOD of 3.4 ng mL−1 and a wide linear range. • It enables on-site colorimetric detection in serum with good specificity.
Keywords:
Methamphetamine
Nanozyme
On-site rapid applications
Colorimetric detection
Peroxidase-like activity
Journal
IF:
5.1
Papers:
1.8W
Citations:
3.7W
Organization
Cited Papers