John Chasse

Liquid chromatography–tandem mass spectrometry (LC–MS/MS) finds low glyphosate residues of the weedkiller glyphosate in coffee beans.

This week, Chromatography Online explored how the technique is advancing wastewater drug monitoring, siRNA method development, and food safety testing, with previews of RAFA 2026 and a return to HPLC fundamentals with Michael Dong.

Ultrahigh-performance liquid chromatography–quadrupole time-of-flight mass spectrometry (UHPLC–QTOF-MS) shows how soaking and cooking break down soybean fats.

Liquid chromatography–tandem mass spectrometry (LC–MS/MS) links altered metabolism to lingering symptoms in Ebola survivors.

Franz Berthiller (BOKU University, Austria) discusses a multilaboratory study that used retention index markers to align mycotoxin liquid chromatography–mass spectrometry (LC–MS) data.

A QuEChERS/ultrahigh-performance liquid chromatography and high-resolution mass spectrometry (UHPLC-HRMS) method tracks 23 plant toxins in cereals and spices. Michele Suman discusses the method with LCGC International.

Gas chromatography-mass spectrometry (GC-MS) study links 110 scent compounds to cinnamon variety and origin.

Affinity chromatography-purified viral protein powers a new FAdV-8b test for chickens.

A three-year study of medical students and doctors in training tracked burnout symptoms alongside inflammation markers and morning cortisol and cortisone levels in saliva, measured by liquid chromatography–tandem mass spectrometry (LC–MS/MS), to better understand the biology of burnout.

Data-independent acquisition (DIA) liquid chromatography-tandem mass spectrometry (LC–MS/MS) reveals shared and site-specific proteins across the thighbone.

Magnetic molecularly imprinted polymer extraction with liquid chromatography-high resolution mass spectrometry (LC–HRMS) finds patulin in store-bought juice.

Richard Bade and Malcolm McLeod explain to LCGC International how liquid chromatography-tandem mass spectrometry (LC-MS/MS) detects drug trends in wastewater.

Liquid chromatography–tandem mass spectrometry (LC–MS/MS) and microbiome data reveal kidney markers of diabetic disease.

Ultrahigh-performance liquid chromatography–tandem mass spectrometry (UHPLC-MS/MS) shows Maresin1 drops in heatstroke and may protect the heart.

This week on Chromatography Online, leading experts shared practical insights with LCGC International on sustainable affinity methods, siRNA impurity profiling, nontarget screening, peptide tech transfer, and AI in separation science.

Liquid chromatography–mass spectrometry (LC–MS) was used to determine if there is a link between artificial sweeteners and breast cancer.

Chiral gas chromatography–mass spectrometry (GC–MS) shows how heat and storage alter linalool in blueberry juice.

Skipping solid-phase extraction (SPE) cleanup rarely hurt liquid chromatography–tandem mass spectrometry (LC–MS/MS) plant hormone results in tomato.

Gas chromatography–mass spectrometry (GC–MS) and docking reveal A. excelsa leaf compounds that may help in cancer treatment.

Gas chromatography–mass spectrometry (GC–MS) reveals a four-stage polycyclic aromatic hydrocarbons (PAH) breakdown in oil sludge co-composted with manure.

This new high-performance liquid chromatography-ultraviolet (HPLC-UV) method measures glutathione and thiol levels across 12 berries.

Liquid chromatography–tandem mass spectrometry (LC–MS/MS) shows hydrogel cuts dogs' peak bupivacaine blood levels fivefold.

LCGC International spoke to David Hage, Sanduni Heenkenda, and Zoe Zingler of the University of Nebraska-Lincoln about how green chemistry principles are reshaping affinity chromatography.

Gas chromatography-mass spectrometry (GC–MS) shows scarlet macaw feather scent varies by sex and mate status.

Gas chromatography-mass spectrometry (GC–MS) reveals bisphenol A and other lasting pollutants in Maricá Lagoon (Brazil) sediments.

This week, Chromatography Online covered automated GC-MS/MS testing for phthalates in oils, chemicals hidden in bioplastic packaging, troubleshooting tips for oligonucleotides and GLP-1 peptides, automated glycan profiling, NIST reference materials, and the experience of being the only woman in the laboratory.

Gas chromatography–quadrupole time-of-flight mass spectrometry (GC–QTOF MS) screening of dust finds 269 contaminants in homes, offices, and schools.

Gas chromatography-mass spectrometry (GC–MS) reveals citral drives inhaled magnolia oil's attack on breast cancer.

Henri B. Kagan and Kenso Soai win 2026 Nobel Prize in Chemistry for explaining molecular handedness

Liquid chromatography–tandem mass spectrometry (LC-MS/MS) and sequencing link fungi to Fusarium and Alternaria toxins in barley.