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 …

The need to obtain meaningful results as the basis for determining the content of trace
amounts of analytes has become the driving force behind the development of modern …

Carbon nanotubes (CNTs), a carbonaceous material, depend on morphology, size and
diameter have highly unique properties in mechanical strength, thermal stability electrical …

Magnetic solid-phase extraction (M-SPE) is a procedure based on the use of magnetic
sorbents for the separation and preconcentration of different organic and inorganic analytes …

Functionalized magnetic nanoparticles have attracted much attention in sample preparation
because of their excellent performance compared with traditional sample-preparation …

Liquid chromatography-mass spectrometry analysis of small molecules from biofluids
requires sensitive and robust assays. Because of the very complex nature of many biological …

Solid phase extraction (SPE) and solid phase microextraction (SPME) are among the most
significant sample clean-up and pretreatment techniques, which have attracted a …

Carbon nanotubes (CNTs) based magnetic composites have great exploration and
application potentials in magnetic solid-phase extraction (MSPE) technology due to their …

Analyte or sample extraction is the most basic, yet a very important and dominant, feature of
any sample preparation technique which in general can also include other processes such …

This study was conducted to determine the polycyclic aromatic hydrocarbons (PAHs) levels
and health risk of yogurt and butter samples collected from Tehran using MSPE/GC‐MS …