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High-performance liquid chromatography (HPLC) and proton-transfer-reaction time-of-flight mass spectrometry (PTR-ToF-MS) data power AI-based grading of Baimudan white tea.

This week, Chromatography Online covered MALDI-MSI/LC-GC-MS tissue mapping, phthalate and microplastic screening, coastal pollutant analysis, vitamin D-sleep links, smartphone TLC drug detection, plus FDA 483 guidance and looks at HPLC2026 and the upcoming ISC2026 conferences.

Liquid chromatography-tandem mass spectrometry (LC-MS/MS) reveals PFAS migration into saliva from children's stuffed toys.

Analytical quality by design (AQbD) lifecycle series tackles risk-based methods

Liquid chromatography-tandem mass spectrometry (LC-MS/MS) ties seasonal vitamin D changes to sleep timing in women.

Ultrahigh-pressure liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) study links rice pleiotropic developmental defects to tRNA modifications and organelle functions.

ISC 2026 in Prague (Sept 6–10) covers chromatography fundamentals, LC/GC/SFC, MS hyphenation, AI/ML, and omics applications, featuring three scientific tracks, industry program, and early-career researcher opportunities.

HPLC2026 highlights: four talks on liquid chromatography (LC) troubleshooting and problem prevention.

Pyrolysis gas chromatography-mass spectrometry (Py-GC–MS) quantifies microplastic exposure risks in Korean playgrounds.

Gas chromatography-tandem mass spectrometry (GC-MS/MS) reveals organochlorine pesticide and polychlorinated biphenyl pollution levels in Greek coastal sediments.

Is FDA getting tired of writing warning letters? A new draft guidance shows how companies should respond to Form 483 observations.

Smartphone thin-layer chromatography (TLC) catches tizanidine drug residue on pharmaceutical manufacturing equipment.

Gas chromatography (GC) reveals algae-fed chickens boost meat omega-3 without hurting growth.