Polycyclic aromatic hydrocarbons (PAHs) are organic pollutants formed mainly by the
incomplete combustion of organic matter, such as oil, gas and coal. The presence of PAHs …

This review overviews the main developments achieved in analytical sample preparation
regarding the use of solid sorbents as extractants in different sorbent-based miniaturized …

There are a lot of review papers of sample pretreatment, but the comprehensive review on
pipette-tip solid-phase extraction (PT-SPE) is lacking. This review (133 references) is mainly …

The miniaturization of stir bar sorptive dispersive microextraction (mSBSDME) for the
analysis of low-availability samples is presented. This new methodology is based on the …

The use of cosmetics and personal care products is increasing worldwide. Their high matrix
complexity, together with the wide range of products currently marketed under different forms …

Abstract Using MIL-101 (Fe) as the source of carbon and Fe, a magnetic porous carbon
(MPC) material with Fe 3 C nanoparticles encapsulated in porous carbon was prepared …

Current trends in sample preparation focus on the miniaturization of the process so that
lower sample and solvent volumes are used, resulting in what is known as microextraction …

Sample preparation is a critical step in analytical chemistry, particularly in the consideration
of analytes of interest from complex matrices. Due to this complexity, the presence of …

In this study, graphene oxide modified magnetic polyamidoamine dendrimers (MNPs@
PAMAM-G2. 0@ GO) nanoparticles were successfully prepared by amidation method. The …

样品前处理技术在样品分析中发挥着越来越重要的作用, 而对分析物的富集能力和对样品基体的
净化程度主要取决于高效的样品前处理材料, 所以发展高性能的样品前处理材料一直是该领域的 …