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  1. No Access

    Article

    Rapid Determination of Sulfonamides in Chicken Muscle and Milk Using Efficient Graphene Oxide-Based Monolith On-Line Solid-Phase Extraction Coupled with Liquid Chromatography–Tandem Mass Spectrometry

    A graphene oxide-incorporated monolithic column was fabricated and developed as an on-line solid-phase extraction sorbent coupled with LC-MS/MS for the automatic and fast determination of 16 sulfonamides in ch...

    Xue-Lei Chen, Lian-Feng Ai, Ya-Qing Cao, Qi-Xun Nian… in Food Analytical Methods (2019)

  2. No Access

    Article

    Reusable 2-(Dimethylamino)ethyl Methacrylate Polymers On-line Solid-Phase Extraction Coupled to Liquid Chromatography Tandem Mass Spectrometry for Rapid Determination of Acidic Pesticides in Foods

    A rapid and easy method was developed for the sensitive determination of six acidic pesticides (2,4,5-trichlorophenoxyacetic acid, acifluorfen, methyl-4-chlorophenoxyacetic acid, fluroxypyr, haloxyfop, and bis...

    Ya-Qing Cao, Lian-Feng Ai, Qian Wang, Xue-Lei Chen, Qi-Xun Nian… in Food Analytical Methods (2018)