The use of membrane-based sample preparation techniques in analytical chemistry has
gained growing attention from the scientific community since the development of …

Over the last years, liquid-phase microextraction (LPME) in its different application modes
(single drop microextraction, dispersive liquid–liquid microextraction and hollow fiber-LPME) …

Polyphenolic compounds are bioactive substances widely distributed in the vegetable
kingdom. They act as natural antioxidants and their presence contributes to the color, flavor …

Liquid phase microextraction (LPME) is a popular technique for sample pretreatment before
the trace determination of target compounds from complex matrices, examples being …

A rapid and efficient sample pretreatment using solvent-based de-emulsification dispersive
liquid–liquid microextraction (SD-DLLME) coupled with liquid chromatography-tandem mass …

Abstract 3D printing technology has attracted great attention in various fields of science and
technology. Application of this technology in manufacturing analytical tools is developing …

A simple, rapid and environmentally friendly method for the electromembrane extraction of
polyphenolic compounds has been developed using chitosan films (60%(w/w) chitosan …

The contents of 49 polyphenols in sweet orange, tangerine, lemon and grapefruit juices from
18 cultivars grown in Spain were determined by reversed-phase high-performance liquid …

In this work, a simple and efficient gallic acid (GA) electrochemical sensor was successfully
fabricated by using silica dioxide (SiO 2) nanoparticles@ single-walled carbon nanotubes …

Amorphous zirconium oxide nanoparticles (ZrO2) have been used for the first time, to modify
carbon paste electrode (CPE) and used as a sensor for the electrochemical determination of …