John Chasse

Targeted ultrahigh-performance liquid chromatography (UHPLC) links blood metabolites to sheep feed efficiency.

A method coupling gas chromatography-tandem mass spectrometry (GC-MS/MS) and multiple reaction monitoring (MRM) tracks lipid markers of decomposition in commingled remains.

This week's top stories on the Chromatography Online website spotlight LCGC International's new SFC-focused interview series charting the technique's rise alongside LC and GC, complemented by a practical GC data-reporting refresher and a study using chromatography to detect trace pesticides in tap water.

Pyrolysis-gas chromatography-mass spectrometry (Py-GC-MS) shows lung microplastics rose over 33 years, per new study.

Chromatography isolates sturgeon cartilage compounds that may ease osteoarthritis inflammation.

High-performance liquid chromatography (HPLC)-based study links IV vitamin intake to NICU infant blood levels.

Ultrahigh-performance liquid chromatography-mass spectrometry (UHPLC-MS) metabolomics links plasma changes to chronic epileptic seizures in mice.

Headspace gas chromatography-ion mobility spectrometry (HS-GC-IMS) and gas chromatography-olfactometry-mass spectrometry (GC-O-MS) reveal aroma compounds in two Sichuan pepper oils.

Researchers are using chromatography methods to track elusive pesticides in French tap water.

Seven eco-friendliness tools rate 30 high-performance liquid chromatography (HPLC) methods for testing atorvastatin.

Karine Faure discusses how SFC with alternative solvents could offer a more sustainable path forward for liquid chromatography separations.

Daniel W. Armstrong explains how SFC confirmed mirror-image ruthenium photosensitiz-ers perform identically against melanoma cells.

LCGC International spoke to Cristian Reale about an eco-friendly SFC-PDA method that rapidly measures furocoumarins in Citrus essential oils.

Liquid chromatography-tandem mass spectrometry (LC-MS/MS) shows sunlight, not demographics, drives vitamin D in zoo rhinos.

Gas chromatography-mass spectrometry (GC-MS) reveals how buried heavy oil weathers and threatens groundwater.

This week, Chromatography Online presented PFAS environmental research, ISC 2026 symposium highlights, interviews with Waters Corporation’s Erin Chambers, and health-related LC-MS studies on exercise chemistry and age-related macular degeneration treatment.

A low-cost strip rivals laboratory-grade chromatography for checking sleep supplements.

Headspace solid-phase microextraction/gas chromatography-mass spectrometry (HS-SPME/GC-MS) reveals how ultrasound and fermentation reshape Robusta coffee aroma.

Headspace solid-phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS) and gas chromatography-ion mobility spectrometry (GC-IMS) uncover how drying methods alter apricot flavor compounds.

Liquid chromatography-tandem mass spectrometry (LC-MS/MS) reveals proteomic effects of a sustained-release age-related macular degeneration (AMD) eye treatment.

Untargeted liquid chromatography–mass spectrometry (LC–MS) lipidomics identifies blood fat biomarkers linked to diabetic nerve damage.

Solvent-assisted flavor evaporation coupled with gas chromatography-mass spectrometry (SAFE-GC-MS) and multi-omics reveal chromatography-based insights into grilled lamb flavor chemistry.

Liquid chromatography/multiple reaction monitoring (LC/MRM) assays quantify endocannabinoid shifts behind the marathon runner's high.

Mireia Roig-Paul and Jennifer Field of Oregon State University discuss with LCGC International how liquid chromatography-quadrupole time-of-flight mass spectrometry (LC-QTOF) and 19F nuclear magnetic resonance (NMR) reveal how PFAS partition between light nonaqueous phase liquid (LNAPL) and groundwater.

Gas chromatography-mass spectrometry (GC-MS) analysis shows nanoemulsified garlic oil boosts antioxidant activity.

High-performance liquid chromatography with a fluorescence detector (HPLC-FLD) screening paired with near-infrared hyperspectral imaging (NIR-HIS) imaging detects aflatoxin and OTA in nuts.

This week, Chromatography Online spanned a direct plutonium isotope MS method, nanoplastics detection in drinking water, GC-MS data analysis and sustainability insights, a case for column chemistry as chromatography's key differentiator, and product news from GERSTEL and Metrohm USA.

Ultra-high-performance liquid chromatography was coupled with high-resolution mass spectrometry (UHPLC-HRMS) to identify compounds of a traditional Chinese herbal remedy in a brain linked to antidepressant effects.

Liquid chromatography-mass spectrometry (LC-MS) measures gut fatty acids in blueberry study on older-adult mood.

Heart-cut gas chromatography links volatile organic compound (VOC) shifts to bacterial spoilage in meatballs.