On-line preconcentration is one of the aspects of analytical method development using
capillary electrophoretic techniques. The choice of the sample matrix alone can significantly …

The review describes principles of procedures and techniques used in capillary zone
electrophoresis for enhancement of sensitivity that are based on increasing analyte mass in …

Accumulation of pesticides in human body via food consumption poses health risks, hence
the quantitative detection of pesticides in foodstuffs has become vital. In this study, a rapid …

Poor sensitivity is considered to be one of the major limitations of electrophoretic separation
methods, particularly when compared to traditional liquid chromatographic techniques. To …

A rapid, simple and sensitive method has been developed for the analysis of some
neonicotinoid insecticides in cucumber samples by using dispersive liquid–liquid …

A reliable multi-residue method which was based on solid-phase extraction (SPE) with multi-
walled carbon nanotubes (MWCNTs) as adsorbent was developed for determination and …

An electrochemical sensor based on molecularly imprinted polypyrrole membranes is
reported for the determination of 2, 4-dichlorophenoxy acetic acid (2, 4-D). The sensor was …

In order to remove the limitations of natural antibodies or enzymes, a nano-magnetic
biomimetic platform based on a surface-enhanced Raman scattering (SERS) sensor has …

2, 4-Dichlorophenoxyacetic acid (2, 4-D) is a widely used herbicide worldwide. However, its
residues in agricultural products are extremely harmful to human health and to the …

A novel graphene grafted silica-coated Fe3O4 (Fe3O4@ SiO2-G) was synthesized and used
as an efficient magnetic solid-phase extraction adsorbent for the simultaneous extraction of …