Environmental Analysis

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

Root exudates—substances secreted by living plant roots—are challenging to sample, as they are typically extracted using artificial devices and can vary widely in both quantity and composition across plant species.

A team of scientists from the Paris university developed and optimized MAVERIC, a miniaturized and autonomous gas chromatography (GC) system coupled to a nano-gravimetric detector (NGD) based on a NEMS (nano-electromechanical-system) resonator.

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

A multidimensional liquid chromatography (LC)-based technique was created to help profile antioxidant metabolites in onion leaf extracts.

With green chemistry becoming more standardized, Leena Pitkänen of Aalto University analyzed how useful size-exclusion chromatography (SEC) and asymmetric flow field-flow fractionation (AF4) could be in characterizing plant polysaccharides.

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

Researchers from KU Leuven explored two-dimensional liquid chromatography (2D-LC)’s application to profile micropollutants in wastewater.

In this edition of the LCGC Blog, Amber Hupp of the College of the Holy Cross reflects on her childhood and talks about her journey recreating the scents from that long past.

Microplastics and nanoplastics have been identified in the lungs of wild birds using laser direct infrared (LDIR) chemical imaging and pyrolysis gas chromatography–mass spectrometry (Py-GC–MS), in the first multi-species evidence of these plastics in bird lungs.

David Megson from Manchester Metropolitan University in Manchester, UK, spoke to LCGC International about the latest developments in non-targeted analysis (NTA) of per- and polyfluoroalkyl substances (PFAS) in environmental matrices based on a recent systematic review paper he has collaboratively published (1).

Scientists from Tabriz University and the University of Tabriz explored cellulose acetate-UiO-66-COOH as an affordable coating sorbent for thin film extraction of biogenic amines from cheese and alcohol-free beverages using HPLC-MS/MS.

Using pyrolysis-gas chromatography and mass spectrometry, scientists from Fudan University and the Putuo District Center for Disease Control and Prevention detected and quantified microplastics in newborn stool samples.

Emanuela Gionfriddo and Madison Williams from University at Buffalo, the State University of New York, NY, USA discuss the important role that solid-phase microextraction (SPME) techniques with gas chromatography mass spectrometry (GC–MS) can play in the analysis of per- and polyfluoroalkyl substances (PFAS).

How is the indoor air affecting your health?

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

A two-step workflow to extract pure mass spectra from comprehensive two-dimensional liquid chromatography high-resolution mass spectrometry (LC×LC–HRMS) data has been created and tested.

A new method has been created for determining N-nitrosamines (NAs) in pharmaceutical preparations using liquid chromatography with tandem mass spectrometry.

Scientists from the Zhejiang Institute of Quality Scientists used liquid chromatography–tandem mass spectrometry to detect 35 PFAS in paper and plastic products.

Cation exchange chromatography was tested for its effects on the elution behavior of the vesicular stomatitis virus, which is a contagious disease among livestock.

A new solid-phase microextraction-based technique has been developed for extracting triazole residues from environmental samples including water and juice.

High-performance liquid chromatography with diode-array detection (HPLC-DAD) was tested for detecting antibiotic residues in environmental samples.

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

In this interview, we spoke with Lee Ferguson of Duke University about his laboratory’s work accurately tracing these contaminants in complex environmental matrices.