ArticleFood chemistry: X2024
An aptasensor with colorimetric and electrochemical dual-outputs for malathion detection utilizing peroxidase-like activity of Fe-MOF.
Article in Food chemistry: X, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Article
- Aptamer-gold nanoparticle-based lab-in-a-tube colorimetric detection of malathion: evaluation with classical and digital readout techniques.Turkish journal of chemistry · 2026Article
- Research Progress on Aptamer Electrochemical Biosensors Based on Signal Amplification Strategy.Sensors (Basel, Switzerland) · 2025Review
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
An aptasensor with dual-outputs was developed for malathion detection. Fe-MOF was synthesized to design favorable signal probes for catalytic amplification. Owing to the excellent peroxidase-like activity of Fe-MOF, the redox reaction was catalyzed to produce the dual-outputs of colorimetric and electrochemical. In this sensing strategy, malathion was captured by the aptamer on sensing interface, leading to the release of signal probe. Thanks to the catalytic amplification of Fe-MOF and the high capture effect of aptamer, the aptasensor produced a sensitive response for malathion. Based on the dual-signals of absorbance and current, the detection method for malathion was developed ranging from 10 ng/mL to 500 ng/mL. The detection limit of malathion was 5.8 ng/mL for colorimetric output and 4.6 ng/mL for electrochemical output. Furthermore, the aptasensor exhibited high specificity and good repeatability in malathion detection. Finally, the aptasensor was applied to detect malathion in fruit and vegetable samples with satisfactory recovery.
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Registered trials
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