ArticleFrontiers in chemistry2026
Detection of methyl parathion using a novel oxidized polylevodopa fluorescence nanosensor.
Article in Frontiers in chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: An ultra-sensitive fluorescence sensing system was constructed for methyl parathion (MP) detection using oxidized polymer of levodopa (L-DOPA) as a novel fluorescent probe. Methods: L-DOPA was first polymerized under alkaline conditions to form black L-DOPA polymer (PDOPA), and then H Results: The OPDOPA fluorescence nanoprobe presents excellent selectivity and sensitivity for MP detection. A linear response was achieved from 0.5 to 30 µg/mL, and the limit of detection was determined to be 0.08 µg/mL. The fluorescence detection system was utilized for the determination of MP in potato and Codonopsis pilosula samples. For the actual analysis of the two sample matrices, the sensor exhibited recovery rates spanning 92.00%-106.42% and a relative standard deviation (RSD) of ≤5.83%. Discussion: In this study, a functional polymer material with excellent fluorescence properties was synthesized from L-DOPA and applied to the highly sensitive and selective detection of MP. This approach not only offers a novel strategy for the detection of organophosphorus pesticides but also substantially broadens the application horizon of functional polymer materials.
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