John Chasse

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.

LCGC International spoke to Sandy Al Bardawil and Ludivine Ferey, authors of a review article summarizing recent advances in chromatographic methods coupled with MS for the characterization of therapeutic oligonucleotides.

High performance liquid chromatography (HPLC) verifies creatine uptake via two distinct transporter genes in rainbow trout.

This week's Chromatography Online highlights span LC solvent mismatch solutions, advanced PFAS monitoring by GC–MS and TD–GC–MS, deep learning in DIA proteomics, multidimensional LC–MS for plant extracts, PEG column guidance, and LC–MS/MS and GC–MS applications in consumer product safety and disease research.

Liquid chromatography-mass spectrometry (LC–MS) plasma nicotine data trains machine learning (ML) models for vaping exposure.

Gas chromatography–mass spectrometry (GC–MS) was used in the profiling of links between gut bacteria and metabolites to myasthenia gravis.

High performance liquid chromatography (HPLC) and inductively coupled plasma mass spectrometry (ICP-MS) reveal how diet and sunlight shape grey parrot nutrient levels.

High performance liquid chromatography (HPLC) reveals sugar, acid, and phenolic differences in varieties of grapes.

Gas chromatography-mass spectrometry (GC-MS) and gas-chromatography with flame ionization detection (GC-FID) identify volatile organic compound (VOC) emissions from yard and food waste compost.