May 3rd 2024
Elia Psillakis from the Technical University of Crete, Greece presents an update on the latest developments on sustainability and separation science.
Tackling PFAS Complexity with HRMS and Bioanalytical Techniques
September 1st 2023There are many benefits of using high-resolution mass spectrometry (HRMS) in analyzing PFAS accumulating in living organisms. This article shows how HRMS, when combined with exposure-relevant mixtures, can help elucidate more about PFAS toxicity and exposure.
New Technologies That Accelerate Persistent Organic Pollutant (POP) Sample Preparation
September 1st 2023Accelerated solvent extraction (ASE) is widely viewed as a better alternative to GC–MS when analyzing persistent organic pollutants (POPs). The authors explain why new technological developments offer many benefits and accelerate POP sample preparation processes.
A Multiphase Sampling and Analytical Approach for Investigating Airborne PFAS Transmission
September 1st 2023The investigation of airborne PFAS transmission is important in preserving the outdoor urban environment. The authors explain why GC–MS/MS and LC–MS/MS are the best techniques for analyzing airborne PFAS.
Analytical Techniques in Exploring the Persistent Global PFAS Problem
September 1st 2023The presence of PFAS in the environment requires governmental agencies to establish regulatory limits for PFAS in human essentials, such as drinking water. LC–MS/MS can be used to analyze a wide range of sample types containing PFAS, but avoiding PFAS contamination is critical for this technique to work effectively.
Are "Forever Chemicals" Really Forever?
August 3rd 2023LCGC’s Senior Technical Editor Jerome Workman, Jr examines the history of chemicals classified as POP, or persistent organic pollutants, and PFAS, or per- and polyfluoroalkyl substances, then reviews their place in today's environment and assesses risks for the future.
Study Reveals Low Transfer of Pesticide Residues from Herbs to Infusions
June 30th 2023A recent study reveals that pesticide residues in herbs have a low transfer rate to herbal infusions, ensuring safer consumption of these products. The validated analytical method used in the study provides valuable insights into the levels of pesticide residues in herbs and their limited presence in the resulting infusions.
New Method Enables Analysis of Polycyclic Aromatic Hydrocarbons in Plastics Production Intermediates
June 29th 2023A new method has been developed for detecting and quantifying polycyclic aromatic hydrocarbons (PAHs) in intermediates used in plastics production. The method, based on liquid chromatography column switching, allows for the analysis of 18 PAHs and addresses the lack of regulatory oversight for PAH concentrations in plastic intermediates.
Breakthrough Method Enables Discovery of Natural Aldehydes for Metabolomics Research
June 14th 2023The development of a newly-designed Girard's reagent, HBP, as charged isobaric mass tags has enabled selective capture and sensitive detection of aldehyde metabolites. The LC–dNLS-MS/MS screening approach using this reagent has successfully facilitated the discovery of natural aldehydes and their profiling in complex samples.
Revolutionizing Atmospheric Monitoring: Hourly Tracking of Krypton-85 with Online Analysis
June 12th 2023A 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.