More than 80% of analysis time is spent on sample collection and sample preparation, so
sample preparation is a critical part of the analytical process. Traditionally, liquid-liquid …

Solid phase microextraction find increasing applications in the sample preparation step
before chromatographic determination of analytes in samples with a complex composition …

Nanotechnology is one of the most important trends in material science. Due to the ultra-
small size, nanomaterials possess unique physical and chemical properties. In this review …

The recent advances involving the use of magnetic nanomaterials for improving different
steps of analytical processes were revised. Magnetic nanomaterials are unique tools for the …

Silica nanoparticles (SiNPs) find applications in the fields of drug delivery, catalysis,
immobilization and sensing. Their synthesis can be mediated in a facile manner and they …

Functional material ionic liquids have received attention due to their unique physical and
chemical properties. In the last decade, silica-supported ionic liquids have been developed …

A novel magnetic solid-phase extraction (MSPE) technique coupled with ultra performance
liquid chromatography (UPLC) has been developed for the determination of four …

This review, with more than 170 references, presents a general overview of the use of
magnetic nanoparticles (MNPs) to perform sample preparation. In this way, the main types of …

A simple and rapid microextraction procedure is reported on the use of ionic liquid (IL) in
combination with magnetic multiwalled carbon nanotubes (MMWCNTs). The procedure is …

A salting-out assisted liquid–liquid extraction (SALLE) combined with capillary high
performance liquid chromatography with diode array detector (capillary HPLC-DAD) was …