An investigation of the accumulation of primary and secondary metabolites, including bioactive compounds, to characterize the qualitative traits of blood oranges at the time of harvest was conducted, with liquid chromatography identifying and quantifying simple sugars, and spectrophotometric analysis identifying and quantifying organic acids, polyphenols, and flavonoids.

LCGC International recently spoke to Tomáš Rozsypal of the Nuclear, Biological and Chemical Defence Institute of the University of Defence (Vyskov, Czech Republic) about his work utilizing gas chromatography in researching the persistence of A-234 nerve agent on indoor surfaces, and the paper that resulted from it.

Here is some of the most popular content posted on LCGC International this week.

In a recently published study, liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) was used to analyze 100 Turkish apple samples for the presence of 225 different pesticide residues during the 2022-2023 harvest season.

Gas chromatography (GC) was used to investigate the genetic basis of olive oil quality by comparing the transcriptome of two Iranian cultivars with contrasting oil profiles.

For the first time, the effectiveness of select fluorinated sorbents in the isolation of 15 PFAS compounds of different classes, compared to non-fluorinated sorbents, on solid-phase microextraction (SPME) fiber geometry was investigated.

Scientists from the Institute of Analytical Chemistry of the Czech Academy of Sciences and Masaryk University recently tested various saliva sampling methods to optimize bile acid analysis.

In this “Equipment Roundup,” the editors of LCGC International present MOBILion’s novel high resolution mass spectrometry (HRMS) functionality and Agilent’s InfinityLab LC Series portfolio.

Michael G. Bartlett of the University of Georgia looked at how hydrophilic interaction liquid chromatography (HILIC) has evolved for oligonucleotide analysis in a new article.

Here is some of the most popular content posted on LCGC International this week.

This review aims to provide a summary of the most current analytical techniques and their applications in per- and polyfluoroalkyl substances (PFAS) research, contributing to the ongoing efforts to monitor and mitigate PFAS contamination.

Scientists recently used thermal desorption (TD) and gas chromatography– time-of-flight mass spectrometry (GC×GC-TOFMS) to track per- and polyfluoroalkyl substances (PFAS) emissions from materials used in firefighter gear.

Raquel Gonzalez de Vega of the University of Graz recently spoke to us about her work tracking per- and polyfluoroalkyl substances (PFAS) in ski wax products.

In this Equipment Roundup, the editors of LCGC International feature Refeyn Ltd.’s upgraded MassFluidix HC system, optimizing efficiency and quality of mass photometry experiments.

Linda S. Lee of Purdue University discusses her latest research investigating whether highly degraded urban soils could be restored using biosolids.