In this work, a novel magenatic nanocomposites which with good adsorption properties by
Fe3O4 nanoparticle was prepared. The contents of 9 kinds of organophosphorus pesticides …

The self-developed magnetic nanoparticles supported octadecane amine-functionalized
mesoporous carbon composite was synthesized in this work. A sample pretreatment method …

In this paper, the three-dimensional magnetic nanoparticles modified with graphene-carbon
nanotube nanocomposites (marked as MNPs/rGO-CNTs), used as a reversed-dispersive …

The self-developed magnetic nanoparticles supported octadecane amine-functionalized
mesoporous carbon composite was synthesized in this work. A sample pretreatment method …

A novel magnetic nanocomposite was prepared and applied for the extraction of
organophosphorus pesticide residue (malathion, chlorpyrifos, isocarbophos, fenamiphos …

The issue of pesticide residues in food is of great concern. The extraction and purification of
food matrices by sample pretreatment techniques are necessary for the complex matrixes of …

In the present study, to extract the residue of seven pesticides (diazinon, chlorpyrifos, ethion,
permethrine, cypermethrin, fenvalerate RR and fenvalerate SS) from raisin samples …

In this paper, a kind of graphene magnetic nanoparticle (G–Fe3O4) was prepared and used
as the adsorbent for the preconcentration of the four neonicotinoid insecticides …

The method uses a new magnetic solid-phase extraction (SPE) technique, followed by high
performance liquid chromatography (HPLC) with ultraviolet (UV) detection. Nitrogen-doped …

Size-controlled magnetite nanoparticles (Fe 3 O 4) with 200–1000 nm were synthesized by
co-precipitation method. Then Fe 3 O 4@ SiO 2@ G@ PIL was synthesized and used as …