Retention Time Changes

Kirstine Nielsen of Aarhus University (Denmark) discusses how targeted metabolomics ratios helped build a robust bloodstain time-since-deposition tool.

This new liquid chromatography-tandem mass spectrometry- quadrupole ion trap (LC-MS/MS-QTRAP) method identifies rat poisons in cat forensic cases.

Gérard Hopfgartner explains how atmospheric pressure photoionization can generate radical cations in LC–MS, unlocking EI-style spectra and NIST's spectral library.

Isabelle Kohler traces her unplanned path from pharmacy to bioanalysis, and why the same career struggles cut across gender lines in her PhD coaching.

LCGC International spoke to Akina Nara of Japan’s Tohoku Medical and Pharmaceutical University about a new study which links a blood compound to how long a body has been dead.

Targeted ultrahigh-performance liquid chromatography (UHPLC) links blood metabolites to sheep feed efficiency.

A method coupling gas chromatography-tandem mass spectrometry (GC-MS/MS) and multiple reaction monitoring (MRM) tracks lipid markers of decomposition in commingled remains.

This week's top stories on the Chromatography Online website spotlight LCGC International's new SFC-focused interview series charting the technique's rise alongside LC and GC, complemented by a practical GC data-reporting refresher and a study using chromatography to detect trace pesticides in tap water.