Knowledge Base

Distinguishing Drug Isomers in the Forensic Laboratory

Recent article published in Forensic Science International from the University of Amsterdam on distinguishing isomers in forensics laboratory with GC-VUV and GC-MS.

GC-Cold EIMS-VUV Analysis of Fentanyl Analogues

The GWU Forensics team published in the Journal of Chromatography A an article on utilizing GC, MS and VUV technologies in tandem to analyze fentanyl analogues,…

Vacuum Ultraviolet Spectroscopy as a New Tool for GC Analysis of Terpenes in Flavors & Fragrances

Alex Hodgson's official publication with the Journal of AOAC International on analyzing terpenes in Flavors & Fragrances using GC-VUV spectroscopy.

Direct Analysis of Aromatic Hydrocarbons in Purified Mineral Oils for Foods & Cosmetics Applications with GC-VUV

Journal of Chromatography A

Dr. Hans-Gerd Janssen demonstrates the differences when measuring aromatics in mineral oil samples with GC-VUV versus the traditional methods NPLC-GC-FID and SPE-GC-FID for sensitivity and repeatability.

Analysis of Bacterial FAMEs Using Gas Chromatography

Talanta

Publication describes how GC-VUV was used to identify and discriminate different environmental bacteria based on their fatty acid methyl esters (FAMEs) profiles.

Molecular spectroscopy – Information rich detection for gas chromatography

TrAC Trends in Analytical Chemistry

Review of molecular spectroscopy detection for GC including GC-VUV. Authors describe GC-VUV as a universal detector that can distinguish isomers, deconvolve co-eluting peaks, provide compound class…

Diesel Underground Storage Tank: A Comparison of GC-VUV, GC-FID, and comprehensive two-dimensional GC–MS for the characterization of weathered and unweathered diesel fuel samples

Fuel

In this publication GC-VUV is used to identify different classes of compounds and biomarkers in complex diesel fuel samples. Comparability of GC-VUV with GC-FID and GC×GC–MS…

Terpene Isomer Analysis: A review of methods for the chemical characterization of cannabis natural products

Journal of Separation Science

This review demonstrates how GC-VUV is an effective tool for terpene isomer analysis in cannabis natural products and differentiating terpene isomers. VUV spectra enable a fast…

Investigation of gas phase absorption spectral similarity for stable-isotopically-labeled compounds in the 125–240 nm wavelength range

Talanta

Publication describes a study to compare the spectral shape of co-eluting peaks that are isotopically labeled with their non-labeled counterparts. Benzene isotopologues were used as a…