Analysis of Δ8 and Δ9 THC Metabolites and Other Cannabinoids in Urine

In this seventh part of " Conversations with Michael Dong," a series on fundamentals of HPLC in pharmaceutical analysis, LCGC International’s "Perspectives in HPLC" column editor explains why 2.1-mm i.d. columns are less preferred for pharmaceutical quality control.

Ultrahigh-performance liquid chromatography–quadrupole time-of-flight mass spectrometry (UHPLC–QTOF-MS) shows how soaking and cooking break down soybean fats.

Liquid chromatography–tandem mass spectrometry (LC–MS/MS) links altered metabolism to lingering symptoms in Ebola survivors.

Nicolai Zederkopff explores chromatography’s role to help implement the maximum tolerable level (MTL) framework for food adulteration to translate analytical results into compliance decisions.

Franz Berthiller (BOKU University, Austria) discusses a multilaboratory study that used retention index markers to align mycotoxin liquid chromatography–mass spectrometry (LC–MS) data.

A QuEChERS/ultrahigh-performance liquid chromatography and high-resolution mass spectrometry (UHPLC-HRMS) method tracks 23 plant toxins in cereals and spices. Michele Suman discusses the method with LCGC International.

Gas chromatography-mass spectrometry (GC-MS) study links 110 scent compounds to cinnamon variety and origin.

Affinity chromatography-purified viral protein powers a new FAdV-8b test for chickens.