Magnetic solid-phase extraction (MSPE), an emerging sample pretreatment technique, has
received much attention because of its environment friendliness, rapid separation process …

Cyclodextrins (CDs) as a family of cyclic oligosaccharides are toroidal with a hydrophobic
interior and a hydrophilic exterior. They are well-known for their ability to form host-guest …

To create more active adsorption sites on biochar, the Fe 3 O 4/GO/citrus peel-derived
magnetic bio-nanocomposite (mGOCP) with hierarchically porous architectures was …

The present research reported a facile strategy for the synthesis of a novel magnetic
covalent organic frameworks (Fe 3 O 4@ COF (TpDA)) material and applied it as a sorbent …

Solid phase extraction for sample pretreatment offers many advantages, including short
processing time, rapid separation, high enrichment efficiency and recovery rate, no emulsion …

Sample pretreatment is an important part for qualitative and quantitative analysis of targets
in analytical chemistry. With the rapid development of adsorbents in material science …

Recently, covalent organic frameworks (COFs) have been widely used to prepare magnetic
adsorbents for food analysis due to their highly tunable porosity, large specific surface area …

Sample preparation procedure before the detection step is of great importance for
successful realization of an analytical method. The extraction and preconcentration …

The main direction of the development of analytical chemistry is the constant pursuit of
simplification, shortening and the introduction of ecological solutions to each stage of …

Chitosan functionalized magnetic graphene oxide nanocomposite (Fe 3 O 4@ SiO 2@
CS/GO) was successfully fabricated via a facile amide reaction between chitosan and …