John Chasse

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.

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.

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

Verdel Instruments' Q-2DMS upgrade kit, developed with University of Warwick researchers, brings two-dimensional mass spectrometry to standard QTOF benchtops.

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

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.

Researchers have developed an eco-friendly solid-phase microextraction- gas chromatography-mass spectrometry (SPME-GC/MS) method of detecting phthalates in bottled water.

Yerkanat Syrgabej of Al-Farabi Kazakh National University (Kazakhstan) and his co-authors detail combining liquid chromatography-mass spectrometry (LC-MS) and gas chromatography-mass spectrometry (GC-MS) with matrix-assisted laser desorption ionization-mass spectrometry imaging (MALDI-MSI) to quantify and spatially map tissue contaminants.

Direct-injection two-dimensional gas chromatography coupled to high-resolution mass spectrometry (GC×GC-HRMS) enables minimal-prep whiskey quality profiling.

This week, Chromatography Online covered new HILIC-HRMS and GC-MS/LC-MS/MS research on liver cancer biomarkers, orange flavor chemistry, and popcorn acrylamide reduction, alongside industry discussions on PFAS analysis best practices, at-line versus automated systems, HPLC-XRF advances for flame retardant analysis, and concerns over declining chromatography education in UK universities.

Gas chromatography-mass spectrometry (GC-MS) used in a pilot study links maternal diet TFAs to trans fat in breast milk.

Liquid chromatography-tandem mass spectrometry (LC-MS/MS) confirms mosquitoes auto-disseminate pyriproxyfen from painted surfaces

Liquid chromatography-mass spectrometry (LC-MS) proteomics shows food levels shape mussel gill heat-stress response.

Headspace solid-phase microextraction coupled with gas chromatography-mass spectrometry (HS-SPME-GC-MS) links orange flavor and aroma differences to regional climate factors.

Ion chromatography ties chloride levels to heat-enhanced fingerprint clarity.

Micro-liquid chromatography-tandem mass spectrometry (LC-MS/MS) finds no cerebrospinal fluid endocannabinoid link to migraine, but rather to mood.

Liquid chromatography-tandem mass spectrometry (LC-MS/MS) shows soaking, ultrasound cut popcorn acrylamide levels by 82%.

Does high-performance liquid chromatography (HPLC) analysis show that melittin alone can't predict bee venom quality?

LCGC International spoke to the University of Salerno’s Eduardo Maria Sommella and Danila La Gioia regarding a new hydrophilic interaction liquid chromatography-high resolution mass spectrometry (HILIC-HRMS) method which quantifies circulating analytes to help detect liver cancer.

High-performance liquid chromatography (HPLC)-verified caffeine dose eased mental fatigue from nap deprivation in a recent pilot study.

This week, Chromatography Online featured pieces on fluoropolymer degradation, HILIC's role in spotting false leachables, PFAS method harmonization debates, fast PFAS detection, and AI-driven retention time prediction.

Chromatography of tooth layers links prenatal pollutants to autism risk.

High-pressure liquid chromatography with tandem mass spectrometry (HPLC-MS/MS) was used to determine whether there is a link between serum PFAS and breast density.

Gas chromatography-mass spectrometry (GC-MS) and gas chromatography-olfactometry (GC-O) pinpoint key odorants behind soybean off-flavor profiles.

High-resolution liquid chromatography-tandem mass spectrometry (HRLC-MS/MS) reveals how low-oxygen burials preserve ancient brain proteins.

Soil chromatography reveals how fluridone herbicide persists in cotton farmland.