Ezine Article and Tip Specs

Researchers investigating the relationship between cannabis use during pregnancy and depressive symptoms—and whether continued use beyond the first trimester or higher levels of use were linked to increased symptoms—used liquid chromatography–tandem mass spectrometry (LC–MS/MS) to confirm the presence of 11-nor-9-carboxy-delta-9-tetrahydrocannabinol (THC-COOH) in urine samples.

The proposed tariffs by the Trump administration on various industries may have implications for analytical chemists across industry, government, and academia.

A recent roundtable discussion featuring Aloka Srinivasan of Raaha, Mayank Bhanti of the United States Pharmacopeia (USP), and Amber Burch of Purisys discussed the challenges surrounding nitrosamine analysis in pharmaceuticals.

A combination of liquid chromatography ion mobility spectrometry, and high-resolution mass spectrometry (LC–IMS-HRMS) for non-targeted analysis (NTA) was used to detect and identify per- and polyfluoroalkyl substances (PFAS) in alligator plasma.