Rapid Communications in Mass Spectrometry

Archaeologists examining late period Mayan containers have identified nicotine traces from a codex-style flask, revealing the first physical evidence of tobacco use by ancient Mayans.

Carbon isotope testing which determines added C4 sugars is now commonly used to detect contamination of honey.

A new method of analysing squalene and squalane, oils often used in the production of cosmetics and vaccines, can show whether they came originally from the liver oil of deepwater sharks or from olive oil.