Extraction of endogenous compounds and drugs and their corresponding metabolites from
complex matrices, such as biofluids and solid tissues, requires adequate analytical …

Serotonin, as a monoamine neurotransmitter, modulates the activity of the nervous system.
Due to its importance in the coordination of movement and regulation of mood, impairments …

Neurotransmitters (NTs) constitute an important group of messenger molecules and their
imbalance lead to various neurological disorders, making their analytical determination of …

Catecholamines and their metabolites act as neurotransmitters in the brain and are
important for nervous system function. In the current work, a highly selective and sensitive …

Serotonin, a monoamine neurotransmitter, participates in signal transduction in the nervous
systems of organisms. It is essential in the coordination of movement and regulation of …

The prominent biological effects of adrenaline (A), noradrenaline (NA) and dopamine (DA)
as well as the clinical importance of their metabolites (such as dihydroxyphenylacetic acid …

Solid‐phase extraction (SPE) using small cartridges filled with sorbents of a small particle
size has rapidly established itself as an important sample clean‐up technique. It has …

Neurotransmitters are signaling molecules of crucial importance for proper functioning of the
nervous and other systems. Quantification of neurotransmitters is particularly difficult due to …

Abstract Background: Social Isolation (SI) which means absence or insufficient contact with
others is a key factor in psychiatric disorders development, which might be necessary for …

Background: Aging is an essential risk factor for most neurodegenerative diseases,
including Alzheimer's disease and Parkinson's disease. However, changes in the levels of …