Sample preparation is an important step when working with extremely low concentrations of
analytes and complex matrices. Conventional extraction methods consume large amounts of …

The release of volatile organic compounds (VOCs) by plants is an important means of
transmitting information and self-protection. It is noteworthy that there are differences in …

The determination of contaminants of emerging concern (CECs) in environmental samples
has become a challenging and critical issue. The present work focuses on miniaturized …

The materials used for the fabrication of solid‐phase microextraction fiber coatings in the
past five years are summarized in the current review, including carbon, metal‐organic …

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 …

Metal-organic frameworks (MOFs) are porous hybrid materials composed of metal ions and
organic linkers, characterized by their crystallinity and by the highest known surface areas …

Extraction in the context of analytical chemistry (analytical-scale extraction) is defined as “the
transfer of target analyte from one phase to a different phase where further processing and …

Binders are critical components used in the preparation of a range of extraction devices,
including solid-phase microextraction (SPME) devices. While the main role of a binder is to …

Human samples offer attractive sources for disease diagnosis and biomarker discovery. In
situ sampling and analysis of human samples is of paramount importance in the …

In this work, electro-enhanced solid-phase microextraction (EE-SPME) and covalent organic
framework (COF) were adopted to improve the extraction efficiency. A conductive COF …