Environmental Analysis

Webinar Date/Time: Tue, Jun 27, 2023 11:00 AM EDT

A temperature-controlled cryogenic distillation and gas chromatography, atom trap measurement system is used for precise analysis of atmospheric 85Kr abundance. This advanced technology enables online monitoring with high sensitivity and reduced sample size requirements.

How physical and chemical characteristics are related to dirt in the GC system.

Researchers have developed polyacrylamide hydrophilic stationary phases with adjustable performance. The innovative approach allows for customized separation capabilities, enhancing the efficiency and versatility of chromatographic techniques. The findings open up new possibilities for natural product chemistry and pharmaceutical research.

Scientists achieve a breakthrough in separation techniques with the development of alizarin-modified iron oxide magnetic nanoparticles, enabling highly efficient and selective separation of anthraquinones from complex plant extracts.

Today from 2:30–4:30 pm, an oral session on non-targeted analysis and emerging environmental contaminants will take place. We preview this session here.

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.

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.

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.

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.

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.

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.

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.

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

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

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?

Researchers have shown the effectiveness of ion chromatography (IC) in identifying markers of forest fire emissions in rainfall samples, providing valuable insights into the signature of forest fire emissions and aiding in the development of models to predict and control air pollution resulting from these events.

A newly published review reveals insights into the history of capillary electrophoresis, from its development to its current state-of-the-art applications, through a comprehensive bibliometric analysis of publications between 1980 and 2021.

A new study has reported the preparation, characterization, and chromatographic evaluation of a nickel oxide deposited silica stationary phase in HILIC, which exhibited multiple retention mechanisms and enhanced chromatographic selectivity for analytes.

New article reviews the progress in suppression techniques for ion chromatography from 1981 to 2022, with an emphasis on the last ten years, and discusses the current challenges and future prospects regarding suppressors.

A new study has demonstrated a practical solution for the reliable compound-specific isotope analysis (CSIA) of trace-level pollutants in complex environmental samples, using 2DGC-IRMS.

New GC–MS research suggests that the presence of hemicellulose impurities in α-cellulose extracted from land plants may compromise reliable application of the 18O/16O ratio for environmental, physiological, and metabolic studies.

This year, the American Oil Chemists Society will convene in Denver, Colorado, for a conference filled with exciting talks about the latest developments related to edible oils, fats, surfactants, and related materials.

The Chromatography Forum of Delaware Valley Annual Symposium offers talks tomorrow on the analysis of environmental and industrial samples, including PFAS, agrochemical product impurities, and polycyclic aromatic hydrocarbons.

Direct-infusion tandem mass spectrometry (DI-MS/MS) enables researchers to quantify citrate isomers and isobars in biological samples with high accuracy and reliability.