Magnetic Solid-Phase Extraction (MSPE) with HPLC Method Developed for NSAID Analysis
May 2nd 2023Scientists have developed a magnetic ionic liquid hypercrosslinked polymer composite for use in magnetic solid-phase extraction (MSPE) of non-steroidal anti-inflammatory drugs (NSAIDs), which was coupled with high-performance liquid chromatography (HPLC) for the detection of trace amounts of NSAIDs in water and urine samples.
New Mass Spectrometry Tool to Quantify Cell Heterogeneity and Subpopulations in Cancer
May 2nd 2023Researchers combine a single-probe single cell mass spectrometry technique with a bioinformatics software package to quantify cell subpopulations and prioritize metabolite biomarkers, providing a label-free approach to studying cell heterogeneity and improving understanding of cell metabolism in human diseases and response to therapy.
Wuhan University Researchers Develop New Method for Detecting Pyrethroid Pesticides in Tobacco
May 2nd 2023Researchers have developed a new method for detecting pyrethroid pesticide residues in tobacco using Schiff base networks (SNWs) coated stir bar sorptive extraction (SBSE) coupled with high performance liquid chromatography-ultraviolet detection (HPLC-UV), which exhibited high extraction efficiency and good mechanical stability even when reused more than 50 times.
New Method Developed to Map Cellulose Ether Monomer Composition
May 2nd 2023A new RPLC–MS method can map the substitution degree and composition of β-glucose monomers of cellulose ethers (CEs), providing detailed compositional distributions and constitutional isomer distributions, thereby identifying compositional variation between bio-stable and non-bio-stable CEs and unexpected methylations in EHEC samples.
Ion Chromatography Helps Researchers Identify Forest Fire Emissions in Rainfall Samples
April 28th 2023Researchers have shown the effectiveness of ion chromatography (IC) in identifying markers of forest fire emissions in rainfall samples, providing valuable insights into the signature of forest fire emissions and aiding in the development of models to predict and control air pollution resulting from these events.
Advancements in High Spatial Resolution Mass Spectrometry Imaging for Spatial Metabolomics
April 28th 2023A review article describes spatial metabolomics using high spatial resolution mass spectrometry imaging (MSI), a promising technology that enables the visualization and analysis of metabolites at the cellular and subcellular levels.
ESI-MS: The Future of Single-Cell Proteomics
April 28th 2023Recent advancements in electrospray ionization mass spectrometry (ESI-MS) for single-cell proteomics are highlighted in a review article, including various separation techniques and MS instrumentation used to improve sample throughput and coverage.
New Nickel Oxide Stationary Phase for Improved HILIC Separation
April 27th 2023A new study has reported the preparation, characterization, and chromatographic evaluation of a nickel oxide deposited silica stationary phase in HILIC, which exhibited multiple retention mechanisms and enhanced chromatographic selectivity for analytes.
Article Published on Recent Trends in Suppressor Techniques for Ion Chromatography
April 27th 2023New article reviews the progress in suppression techniques for ion chromatography from 1981 to 2022, with an emphasis on the last ten years, and discusses the current challenges and future prospects regarding suppressors.
The 2023 ASMS Research, PUI, and Postdoctoral Career Development Awards
April 25th 2023Every year, the American Society for Mass Spectrometry (ASMS) presents Research Awards, the Research at Primarily Undergraduate Institution (PUI) Award, and Postdoctoral Career Development Awards. This year's winners will be honored at the 2023 ASMS Conference in Houston, Texas, from June 4–8.
New Analytical Tool Helps Probe Higher-Order Structure of Bispecific Antibody Therapeutics
April 24th 2023The development of a new tool that combines native ion mobility-mass spectrometry (IM-MS) and collision-induced unfolding (CIU) could lead to a better understanding of bsAbs and aid in the development of effective treatments for diseases that remain challenging for conventional mAb therapeutics to access.
Carol V. Robinson Wins 2023 John B. Fenn Award for Distinguished Contribution in Mass Spectrometry
April 24th 2023Carol V. Robinson of the University of Oxford has been named the 2023 recipient of the ASMS John B. Fenn Award for Distinguished Contribution in Mass Spectrometry. Robinson will receive the award at the 2023 ASMS Conference in Houston, Texas, which takes place June 4–8.