John Chasse

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.

Gas chromatography-mass spectrometry (GC-MS) reveals how alcohol and acidity shape climate-linked wine aroma compounds.

Gas chromatography (GC) shows ultrasound-treated pea starch reduces oil in fried corn starch foods.

Low-pressure gas chromatography-triple quadrupole mass spectrometry (GC-MS/MS) quantifies 37 volatile PFAS in food packaging in 8 minutes.

Jie Du of Cardinal Health discusses with LCGC International how switching from reversed-phase to hydrophilic interaction liquid chromatography (HILIC) can unmask a hidden excipient artifact mistaken for a true leachable.

Liquid chromatography-tandem mass spectrometry (LC-MS/MS reveals antibiotics, PFAS, and toxic metals in cat kibble.

This week, Chromatography Online featured conversations from ASMS 2026 on untargeted MS/MS quantitation, RPLC-HRMS analysis of PLGA copolymers, and AI/ML predictions for non-targeted LC–ESI–HRMS workflows, alongside expert debate on harmonizing PFAS analytical methods and a sensor GC study examining whether water chasers affect alcohol metabolism.

Atmospheric pressure matrix-assisted laser desorption/ionization mass spectrometry (AP-MALDI-MS screens black pepper for fraud with minimal preparation.

Various chromatography-spectrometry techniques map lipids to isolate omega-3s from algae.

Shimadzu's new TOC-1000e S continuously monitors ultrapure water for chip and precision manufacturing.

Gas chromatography-mass spectrometry (GC-MS) identifies compounds in essential oils that fight cucumber mildew.

Sensor gas chromatography (GC) determines whether water chasers change alcohol metabolism.

Headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS) tracks how baking temperature shapes low-protein cookie flavor.

Monolithic material sorptive extraction coupled with gas chromatography-mass spectrometry (MMSE-GC-MS) identifies 42 aroma compounds in defective coffee beans.

High-performance liquid chromatography with electrochemical detection (HPLC-ED) finds elevated norepinephrine levels in oral cancer patients.

Liquid chromatography-mass spectrometry (LC-MS) profiling links blood biomarkers to cardiotoxicity.

Masashi Serizawa and Andrea Gargano, researchers at the Van ‘t Hoff Institute for Molecular Sciences (HIMS, University of Amsterdam) sit down with LCGC International to discuss how reversed-phase liquid chromatography and high-resolution mass spectrometry (RPLC-HRMS) analysis of degraded PLGA oligomers reveals block-length differences behind solubility variation in copolymers.

High-performance liquid chromatography (HPLC) profiles serum N-glycan ratios to track psoriasis severity and treatment.

This week, Chromatography Online presented ASMS 2026 recaps, HILIC deep-dives, AI in drug discovery, and a public health story from GC-MS.

Gas chromatography-mass spectroscopy (GC–MS) and high-performance liquid chromatography (HPLC) reveal how stir-frying builds complex flavors stage by stage.

Two-dimensional gas chromatography (2D- GC) identifies 88 sulfur compounds shaping the key aromas of soy sauce flavor Baijiu.

High-performance liquid chromatography (HPLC) reveals how melanoma vesicles suppress immunity, informing immunotherapy response tracking.

Gas chromatography (GC) measures volatile sulfur compounds (VSCs) in breath samples to assess remote halitosis diagnosis reliability.

Ultrahigh-performance liquid chromatography coupled with tandem mass spectrometry (UHPLC-MS/MS) identifies phenolic compounds driving honey's bioactive properties

Gas chromatography-mass spectrometry (GC-MS) reveals harmful cooking emissions in New York City restaurant kitchens, raising worker health concerns.

Liquid chromatography-mass spectrometry (LC-MS) reveals how flunitrazepam degrades post-mortem, aiding forensic overdose confirmation.

Gas chromatography-mass spectrometry (GC-MS) and spectroscopy confirm algae biodiesel as a potential clean, efficient fuel.