John Chasse

Researchers from Iraq, Iran, and Italy analyzed 16 polycyclic aromatic hydrocarbons (PAHs) in grilled beef, kebab, and chicken using magnetic solid-phase extraction with gas chromatography-mass spectrometry (MSPE-GC-MS).

Researchers at the University of the Basque Country, along with Català Restauradors S.L. analyzed the emergence of soluble salts on mural paintings in the vault of the Valencia Cathedral, using ion chromatography coupled with Raman and micro-energy-dispersive X-ray fluorescence spectroscopy.

Researchers quantified urinary cotinine levels in children with asthma, analyzed correlation with asthma severity, and examined the relationship between parental smoking and urinary cotinine levels. Cotinine analysis was conducted using high-performance liquid chromatography (HPLC).

Researchers at Japan’s National Research Institute of Brewing used ultra-high-performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UHPLC-QTOF-MS) to analyze the metabolome of sake and build predictive models of its sensory characteristics.

A joint study between York University and the University of Tehran evaluated conventional analytical methods, such as gas chromatography (GC), high-performance liquid chromatography (HPLC), and mass spectrometry (MS), as well as other emerging portable PAH detection technologies in hopes of significantly improving the health and safety of firefighters by reducing their long-term risks of cancer.

Researchers employed reflectance spectrometric analysis to quantify species-specific plumage coloration, and high performance liquid chromatography (HPLC) to elucidate the feather carotenoids of South Asian flameback woodpeckers to assess their pigment chemistries and genomic underpinnings.

A recent paper published in Parasites & Vectors presented a simplified gas chromatography-mass spectrometry-electroantennographic detection (GC-MS-EAD) setup for the detection of the volatile organic compounds (VOCs) emitted by a healthy dog and that elicit antennal responses in P. perniciosus sand flies.

A recent study employed three brands of commercially available ready-to-heat roasted catfish to investigate the off-flavor substances present after reheating, utilizing gas chromatography-electronic nose (GC-E-Nose), GC-ion mobility spectrometry (GC-IMS), and GC-olfactory-mass spectrometry (GC-O-MS )in conjunction with sensory omics.

Researchers evaluated metabolic abnormalities in six neonatal Noma foals that died shortly after birth, using laboratory tests, pathological examinations, serum amino acid (AA) analyses, genetic analyses, and gas chromatography-mass spectrometry (GC-MS).

LCGC International spoke with Aristeidis S. Tsagkaris, associate professor in the Department of Food Analysis and Nutrition at the University of Chemistry and Technology in Prague (Czech Republic), about his team’s study analyzing 19 Italian-grown chili pepper varieties using ultrahigh-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry.

Research conducted at the National Center for Quality Supervision and Testing of Wood and Bamboo Products investigated the chemical composition or odor characteristics of particleboard before and after decoration treatment with resin-impregnated paper (RIP), polypropylene (PP) film and polyvinyl chloride (PVC) film.

A joint study conducted by the University of Copenhagen, the Technical University of Denmark, and the University of Cambridge explored a potential untapped archive from natural history collections (particularly specimens relating to historical beeswax) using liquid-chromatography-tandem mass spectrometry (LC-MS/MS) to examine a honeybee queen cell specimen from the 19th century.

A joint study conducted by the University of Guelph, the University of Illinois, and Champion Petfoods Holdings used high performance liquid chromatography (HPLC) in their analysis of the polyphenol profile in cat and dog kibble with blueberries listed on the ingredient deck.

Researchers have developed a rapid and sensitive analytical method for tracing lufenuron in cabbages using ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS).

A review article written by researchers at Imperial College London (United Kingdom) explored the potential of volatile organic compounds (VOCs) as early, non-invasive biomarkers for Parkinson’s disease (PD), a neurodegenerative condition that currently lacks reliable diagnostic tools for early-stage detection. LCGC International spoke to Ilaria Belluomo of Department of Surgery and Cancer, Imperial College London and lead author of the review, about how chromatography and mass spectrometry played a part in the team’s research.

Researchers from the U.S. Horticultural Research Laboratory’s Agricultural Research Service present a preliminary characterization of the citrus peel materials responsible for elevated high performance liquid chromatography-ultraviolet (HPLC-UV) chromatogram baselines from citrus peel extracts using Fourier-transform infrared (FTIR) and proton-nuclear magnetic resonance (1H-NMR) spectroscopy.

Researchers performed multi-targeted comparative metabolite profiling and fingerprinting approaches targeting primary and secondary metabolites in black and white paper using gas chromatography mass-spectrometry (GC-MS) post-silylation and ultra-high pressure liquid chromatography (UHPLC-MS/MS) coupled to multivariate analyses and molecular networking.

Reacting to the frequency of vitamin D deficiency (VDD) among women, particularly those with central adiposity, a recent study by the American University of Madaba (Amman, Jordan) examined the predictors of vitamin D levels, focusing on age, adiposity, and muscle composition. Vitamin D levels were measured using high performance liquid chromatography (HPLC).

Researchers at the University of Reading (United Kingdom) explored the potential of volatile organic compounds (VOCs) as markers for drought stress in potato plants using thermal desorption collection and gas chromatography mass spectrometry (GC-MS) with chemometric techniques.

LCGC International spoke to Pablo Mohaupt, who, along with Marie-Laure Pons and their colleagues at the Clinical Proteomics Platform of Montpellier (Montpellier, France) and Shimadzu Corporation (Duisburg, Germany) developed a mass spectrometry (MS)-based method to measure α-synuclein peptides in plasma, aiming to identify disease-specific biochemical signatures that could support earlier and more precise diagnosis of α-synucleinopathies.

In a joint study conducted by Harbin University of Commerce and Northeast Agricultural University, gas chromatography-mass spectrometry (GC–MS) was used to investigate the volatile compounds profiles and quality changes of soybean-based meat analogue under 4 °C and -18 °C storage conditions.

Can thyme reduce inflammation caused by rheumatoid arthritis? Researchers at Koya University (Koya, Iran) used gas chromatography-mass spectrometry to find out.

Evelyn Rampler of the Department of Analytical Chemistry at the University of Vienna discusses how her team developed a robust LC–MS/MS platform for semiquantitative glycosphingolipidomics in barley, enabling detailed structural annotation of GIPCs across developmental stages and stress conditions, and paving the way for comparative analyses across plant species.

Research conducted at the Central University of Venezuela (Caracas, Venezuela) resulted in the development of a robust, definite, and economical methodology for rapid and accurate quantification of theobromine and caffeine in cocoa beans extracts from Venezuelan cocoa.

LCGC International spoke to Evelyn Rampler of the Department of Analytical Chemistry at the University of Vienna about the insights yielded regarding the role of glycosphingolipids in plant physiology and environmental resilience.

In research performed at the Beijing Technology and Business University (China), the aroma compounds of duck broth stewed from seven parts were characterized by headspace solid-phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS) and gas chromatography-ion mobility spectrometry (GC-IMS).

Researchers investigated the impact of HCO3 in water on the aroma of brewed tea infusions using sensory evaluation, headspace solid-phase microextraction, and gas chromatography-mass spectrometry (GC-MS) techniques

Researchers at Tshwane University of Technology evaluated the neuroprotective and neurorestorative effects of M. tortuosum extracts on 6-OHDA-induced deficits in zebrafish larvae using ultra-performance liquid chromatography coupled to mass spectrometry (UPLC-MS).

Researchers in Egypt aimed to develop an efficient in vitro regeneration system for a local stevia genotype using callus induction, as well as both direct and indirect micropropagation and to assess its impact on steviol glycoside accumulation by comparison with conventionally soil-grown plant.

Researchers at Jiangmen Central Hospital (China) investigated the association between red blood cell folate and visceral adipose tissue in young and middle-aged adults in the United States using liquid chromatography-tandem mass spectrometry (LC-MS/MS).