Green extraction techniques (GreETs) emerged in the last decade as greener and
sustainable alternatives to classical sample preparation procedures aiming to improve the …

In recent years, graphene-based magnetic composites have attracted tremendous research
interest owing to its exceptional properties, such as huge surface area, large delocalized π …

Determination of drugs in biological matrices is required in different contexts, including
development of new drug products, bioequivalence and pharmacokinetic studies …

The synthesis of a novel nanocomposite comprised of SiO 2-coated magnetic graphene
oxide modified with a pyrrole-thiophene (mGO/SiO 2@ coPPy-Th) copolymer is reported in …

To achieve analytical success, it is necessary to develop thorough clean‐up procedures to
extract analytes from the matrix. Dispersive solid phase extraction (DSPE) has been used as …

We investigated a novel drug delivery system comprising nanoparticles based on
galactosylated chitosan/graphene oxide/doxorubicin (GC–GO–DOX) for the therapeutic …

Sample preparation is considered to be the most challenging step of the analytical
procedure, since it has an effect on the whole analytical methodology, therefore it …

This review overviews the main developments achieved in analytical sample preparation
regarding the use of solid sorbents as extractants in different sorbent-based miniaturized …

In the last decades, the extensive use of chromium in industrial activities has led to the
discharge of different chromium species into the biosphere. The two stable chromium forms …

Dopamine (DA) and l-tyrosine (l-Tyr) are neurotransmitters involved in various
neuropsychiatric disorders. Therefore, it is important to monitor their levels for diagnosis and …