Selenium is an indispensable trace element for humans, however, its release at high
concentrations becomes a major concern for terrestrial and aquatic ecosystems due to its …

Nowadays, the trend to simplify and miniaturize sample preparation methods has resulted in
the development of effective and low-cost microextraction techniques that utilize a very small …

Selenium is an essential trace element for many organisms, including humans, but it is
bioaccumulative and toxic at higher than homeostatic levels. Both selenium deficiency and …

During the past 7 years and since the introduction of dispersive liquid–liquid microextraction
(DLLME), the method has gained widespread acceptance as a simple, fast, and miniaturized …

Dispersive liquid–liquid microextraction (DLLME) is a modern sample pretreatment
technique that is regarded as consilient with the current trends of modern analytical …

Since its inception in 1995, solvent-microextraction (SME) techniques for sample
preparation have grown increasingly popular due to their simplicity, low cost, and …

Novel solvent microextraction techniques are presently receiving a great deal of interest
from analytical chemists, as confirmed by the constantly increasing number of published …

In both aquatic and terrestrial environment, selenium contamination may exist at
concentrations above the micronutrient limit. Since there is such a narrow bandwidth …

Ultrasonic irradiation and vortex agitation were introduced to enhance the efficiency of
solvent microextraction. The present overview covers ultrasound-assisted emulsification …

A new method based on dispersive liquid liquid microextraction (DLLME) combined with
electrothermal vaporization inductively coupled plasma mass spectrometry (ETV-ICP-MS) …