Metabolomics and exposomics are important in the studies of human health and diseases.
Chemical isotope labeling (CIL) combined with mass spectrometry (MS) can not only …

Food composition database (FCD) provides the nutritional composition of foods. Reliable
and up-to date FCD is important in many aspects of nutrition, dietetics, health, food science …

Dairy fat is one of the most complex natural fats because of its fatty acid (FA) composition.
Ruminant dairy fat contains more than 400 different FA varying in carbon chain length, and …

A vacuum headspace single-drop microextraction method based on the use of magnetic
ionic liquids (vacuum MIL-HS-SDME) for the determination of short chain free fatty acids is …

In the past decade, lipidomics, now recognized as standalone subdiscipline of
metabolomics, has gained considerable attention. Due to its sensitivity and unparalleled …

We propose a new analytical method using reverse phase High performance liquid
chromatography (HPLC) coupled through an electrospray source with a tandem quadrupole …

Carboxylic acids (CAs) represent a large group of important molecules participating in
various biologically significant processes. Analytical study of these compounds is typically …

Currently, LC–MS has various applications in different areas such as metabolomics,
pharmacokinetics, and pathological studies. Yet, matrix effects resulting from co‐existing …

Short-chain fatty acids (SCFAs) were identified as critical markers in the diagnosis of chronic
and metabolic diseases, but a sensitive and stable method to determine SCFAs in feces is a …

Free fatty acids (FFAs) have diverse roles in cellular energy and signaling and they are
critical molecules in various biological states. Due to the poor ionization efficiency of FFAs …