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An analytical team has successfully developed a novel strategy for the separation of sanshools from Zanthoxylum bungeanum oleoresin using countercurrent chromatography, providing valuable insights for the separation of compounds with similar chemical properties.

Researchers Develop Innovative Strategy for Countercurrent Chromatography Separation of Sanshools From Zanthoxylum bungeanum Oleoresin

A new tandem mass spectrometry technique has been developed for the rapid determination of complex lipid A structures, including novel variations from arctic bacterioplankton. This study enhances our understanding of bacterial adaptations and paves the way for the development of targeted therapies and antimicrobial agents.

New Technique Reveals Hidden Structures of Lipid A with Multiple Glycosylation Sites

A research team has developed a novel method for assessing the volatility of individual components in complex organic aerosol mixtures using temperature-programmed desorption and high resolution mass spectrometry, offering insights into atmospheric pollutants.

Volatility Measurements of Individual Components in Organic Aerosol Mixtures Using Temperature-Programmed Desorption–Direct Analysis in Real Time–High Resolution Mass Spectrometry

A new methodology for trapping polycyclic aromatic hydrocarbons from vehicular emissions using an in-tube extraction device (IT-FEx) and analyzing them through gas chromatography-barrier ionization discharge detection (GC-BID) has been developed and tested successfully, according to a study published in the Journal of Chromatography A.

New Device Developed to Detect Pollutants in Vehicle Emissions

A new article discusses the benefits and drawbacks of RPLC and RPLC×RPLC chromatography techniques. It provides recommendations for selecting the best approach for analyzing small pharmaceuticals and peptides.

Study Compares RPLC and RPLC × RPLC For Improved Chromatography

A new approach for identifying isomeric and isobaric metabolites has been developed using liquid chromatography (LC) with high-resolution ion mobility spectrometry (IMS) and cryogenic infrared (IR) spectroscopy, allowing for faster, more accurate, and cost-effective metabolomics workflows.

New Approach for the Identification of Metabolites Using LC with Ion Mobility and Cryogenic Spectroscopy

Scientists have developed a magnetic ionic liquid hypercrosslinked polymer composite for use in magnetic solid-phase extraction (MSPE) of non-steroidal anti-inflammatory drugs (NSAIDs), which was coupled with high-performance liquid chromatography (HPLC) for the detection of trace amounts of NSAIDs in water and urine samples.

Magnetic Solid-Phase Extraction (MSPE) with HPLC Method Developed for NSAID Analysis

A new study analyzed the trophic niches and niche overlap between native and introduced cyprinid fishes in Karacaören I reservoir using IRMS. 

Invasive Fish Species Have Larger Trophic Niches Than Native Fish, According to Study Using IRMS

 is the Founding Endowed Professor in the Department of Chemistry and Biochemistry at Seton Hall University, and an Adjuncy Professor of Medical Science. During his 30 years as a chromatographer, he has published more than 70 refereed articles and book chapters and has given more than 200 presentations and short courses. He is interested in the fundamentals and applications of separation science, especially gas chromatography, sampling, and sample preparation for chemical analysis. His research group is very active, with ongoing projects using GC, GC-MS, two-dimensional GC, and extraction methods including headspace, liquid-liquid extraction, and solid-phase microextraction. Direct correspondence to: 

Exploring the impact of green chemistry on analytical chemistry and GC is the focus of this instalment of "GC Connections".

Green Chemistry: What Is It (and What Is It Not)? And How Does It Apply to Gas Chromatography (GC)?

Everyone is talking about sustainability, and organizations are creating sustainability programs. But what does green chemistry really mean, and how does it apply to gas chromatography?

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