The inclusion of preliminary chemical labeling (derivatization) in the analysis process by
such powerful and widespread methods as electrospray ionization (ESI) and matrix-assisted …

Carbonyl-containing metabolites widely exist in biological samples and have important
physiological functions. Thus, accurate and sensitive quantitative analysis of carbonyl …

Steroids are an important class of biomolecules studied for their role in metabolism,
development, nutrition, and disease. Although highly sensitive GC-and LC-MS/MS-based …

The simultaneous determination of a broad panel of steroids provides more accurate
information about the hormonal status than the detection of a single hormone. For that …

While misuse of testosterone esters is widespread in elite and recreational sports, direct
detection of intact testosterone esters in doping control samples is hampered by the rapid …

The present article focuses on the most commonly used and perspective methods (including
non-chromatographic assays) for steroids quantification in different matrices. The main …

Steroid metabolites are increasingly in focus when searching for novel biomarkers in
physiological mechanisms and their disorders. While major steroids such as progesterone …

Steroid hormones are a type of crucial substances that mediate numerous vital physiological
functions. The comprehensive detection of steroid hormones can help understand the …

Lipids, as one of the most important organic compounds in organisms, are important
components of cells and participate in energy storage and signal transduction of living …

Estrogens play a significant role in endocrinology and oncology. Although separation
methods coupled with mass spectrometry (MS) have emerged as a powerful tool for studying …