In-tube solid-phase microextraction (IT-SPME) was developed about 24 years ago as an
effective sample preparation technique using an open tubular capillary column as an …

Covalent layer-by-layer (LbL) assembly is a powerful method used to construct functional
ultrathin films that enables nanoscopic structural precision, componential diversity, and …

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 …

Sample preparation is still considered as the bottleneck of the whole analytical procedure,
and efforts has been conducted towards the automation, improvement of sensitivity and …

Polymer monolithic column based on a green deep eutectic solvent (DES) was prepared for
in-tube solid phase microextraction of non-steroidal anti-inflammatory drugs (NSAIDs) in …

Graphene, a single layer of carbon atoms densely packed into a honeycomb crystal lattice
with unique electronic, chemical, and mechanical properties, is the 2D allotrope of carbon …

In-tube solid-phase microextraction (SPME) is ideally suited to developing green extraction
by combining miniaturization, automation and reduction of solvent consumption. SPME has …

Metal–organic frameworks are promising materials in diverse analytical applications
especially in sample pretreatment by virtue of their diverse structure topology, tunable pore …

A novel covalent organic framework based magnetic adsorbent was developed for magnetic
solid phase extraction (MSPE) of polycyclic aromatic hydrocarbons (PAHs). Covalent …

The application of graphene‐based sorbents in sample preparation techniques has
increased significantly since 2011. These materials have good physicochemical properties …