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Reference type: Journal
Authors: Du T, Cheng J, Wu M, Wang XH, Zhou HB, Cheng M
Article Title: Pipette tip-based molecularly imprinted monolith for selective micro-solid-phase extraction of methomyl in environmental water.
Publication date: 2014
Journal: Analytical Methods
Volume: 6
Issue: (16)
Page numbers: 6375-6380.
DOI: 10.1039/C4AY00766B

Abstract: A novel low molecular weight methomyl molecule-imprinted monolith (MIM) was prepared inside a polypropylene pipette tip by polymerization reaction. Then the pipette tip-based MIM micro-solid-phase extraction (PT-MIM-μ-SPE) method was developed for selective extraction of methomyl in aqueous solution. The extraction parameters, such as the sample flow rate, sample volume and elution solvent, were investigated. By combining with a high performance liquid chromatography-ultraviolet detector, the PT-MIM-μ-SPE method showed a good linear range of 0.6-1000.0 μg L-1 with a low limit of detection of 0.2 μg L-1. The method was also applied for the pretreatment of methomyl in various environmental water samples. The relative recoveries were in the range of 84.9 to 105.1% with relative standard deviations less than 9.0%. The results showed that methomyl could be selectively enriched and monitored from environmental water samples
Template and target information: methomyl


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