Molecularly imprinted polymers (MIPs) with tailor-made recognition sites are used in water
analysis for selective sample pretreatment before quantitation. The exceptional performance …

Solid-phase extraction (SPE) is the most widely used method for the extraction, changing of
solvents, clean-up, concentration and fractionation of organic compounds from several …

Sample preparation is an important step in chemical analysis. It is generally done to deal
with problems associated with the nature of the matrix, low analyte concentrations in real …

Liquid-phase microextraction (LPME) is an important technique of sample preparation that
has been widely applied for the extraction of different organic, inorganic and pharmaceutical …

Any bio-analytical method includes several steps, all of them being important in order to
achieve reliable results. The first step is taking aliquots of samples for the analysis, followed …

Abstract Metal-organic frameworks (MOFs), composed of metal ions and organic connector,
are a new group of novel porous materials. In light of their advantageous features (eg, high …

This review highlights the increasing interest in polymer inclusion membranes (PIMs) in
analytical chemistry as they are adapted to new and novel applications. PIMs are polymer …

Membrane separation processes based on mixed matrix membrane (MMMs) comprising
carbon nanotubes (CNTs) embedded in polymer matrix have become one of the emerging …

As the drive towards green extraction methods has gained momentum in recent years, it has
not always been possible to eliminate organic solvents completely. However, the volumes …

Polycyclic aromatic hydrocarbons (PAHs), as an important class of pollutants, are persistent
in the environment and have adverse effects on human health, including carcinogenicity and …