Advanced QuEChERS Method Using Core-Shell Magnetic Molecularly Imprinted Polymers (Fe₃O₄@MIP) for the Determination of Pesticides in Chlorophyll-Rich Samples.

ABSTRACT: Graphitized carbon black (GCB) in the traditional QuEChERS (quick, easy, cheap, effective, rugged, and safe) method was used to remove the interfering substance chlorophyll in vegetable and fruit samples for pesticide residues determination. However, it not only adsorbs pigments, but also adsorbs some planar and aromatic pesticides. In order to solve the shortcoming, a core-shell magnetic molecularly imprinted polymer (Fe₃O₄@MIP) that can specifically recognize and adsorb chlorophyll was synthesized, and an advanced QuEChERS method with the Fe₃O₄@MIP as a purification material was developed. This advanced method presents detection that is highly sensitive, specific, and reproducible for planar and aromatic pesticides. The limits of detection (LOD

SUBMITTER: Kai ZP 

PROVIDER: S-EPMC10606496 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature