Articles tagged with Mass Spectrometry
Scientists developed a high-spatial-resolution mass spectrometry imaging method to study lipid metabolism heterogeneity during drug-induced cell apoptosis at the single-cell level. The method achieved a spatial resolution of approximately 800 nm, allowing researchers to profile alterations in the cell membrane microenvironment and meta...
The 2026 release expands coverage of emerging novel psychoactive substances, including synthetic cannabinoids, fentanyl analogs, and pharmaceutical drugs. The database provides comprehensive and up-to-date support for forensic, toxicology, and drug surveillance workflows.
A University of Houston optometry researcher warns of the dangers of red-light laser myopia therapy for children, citing vision damage reports and the need for rigorous safety validation. The professor's quality improvement study found that two popular devices exceeded national standards for safety classifications.
Researchers found a significant decrease in lead concentrations in hair samples from Utahns, spanning over 100 years. The study demonstrates the impact of environmental regulations on public health and highlights the importance of protecting against toxic metals like lead.
Researchers at Boston Children's Hospital have developed a novel mass spectrometry tool called FLEXITau to analyze brain tissue from 203 patients with various tauopathies. The study identified 145 post-translational modifications and 195 cleavage sites across tau, providing a precise molecular roadmap for diagnostics and drug development.
A new study from Harvard found that North Atlantic pilot whales have 60% lower concentrations of per- and polyfluoroalkyl substances (PFAS) in their bodies since the phaseout of these chemicals. The researchers measured bulk organofluorine levels as a proxy for total PFAS concentrations, including newer types of PFAS.
Researchers found viable spores of mycotoxigenic fungi, DNA fragments, and traces of toxins remained after gamma irradiation, highlighting the need for stricter testing and better safeguards in the cannabis industry. This is particularly concerning for immunocompromised individuals who may be at higher risk.
Researchers at Cold Spring Harbor Laboratory have developed a new technique to improve mass spectrometry, enabling better drug target discovery and tumor analysis. The innovation increases sensitivity by breaking down scans into smaller bins, allowing for more accurate measurement of differences in concentration.
A new online tool has been developed to detect drug exposure directly from patient samples, revealing a more accurate picture of what drugs are in a person's body than what is listed on their medical record. The tool uses a publicly-available library of chemical fingerprints from thousands of drugs and their breakdown products.
The ACRF MATRIX Centre will enable researchers to study cancer cells and their surrounding environment with unprecedented molecular resolution. This will help develop combination therapies targeting both cancer cells and the microenvironment.
Wiley has expanded its spectral libraries with major updates to IR, Raman, and LC-MS collections, delivering researchers enhanced capabilities for faster and more confident compound identification. The expansion brings over 9.5 million high-quality spectra, including 1 million IR spectra and 161,000 Raman spectra.
The study reveals a temperature-dependent mechanism evolution effect on RhRu3Ox catalysts, leading to more stable oxygen evolution reactions. The researchers demonstrate that the catalyst remains stable for over 1000 hours at room temperature, paving the way for efficient and durable electrochemical devices.
A new approach allows scientists to directly correlate gene expression with metabolite abundance, enabling the elucidation of complex plant natural product biosynthetic pathways. This method can help identify specialized cell types involved in producing therapeutically relevant chemical compounds.
A research team at the University of Münster has developed a new measurement method that combines fluorescence microscopy with MALDI mass spectrometry imaging, revealing metabolic differences in tumors. This allows for faster and more precise diagnoses and targeted therapies.
Saiful Chowdhury's five-year project aims to create a blueprint of how immune proteins work, which could lead to new medical treatments for cancer and inflammatory diseases. The team will use advanced proteomics technologies to map protein interactions and modifications.
The Blavatnik Regional Awards recognize exceptional postdoctoral researchers in Life Sciences, Physical Sciences & Engineering, and Chemical Sciences. Veena Padmanaban, Valentin Crépel, and Xiao Xie are this year's winners, honored for groundbreaking discoveries in cancer cell biology, condensed matter physics, and chemical biology tools.
Researchers at IOCB Prague have developed a comprehensive data set called MSⁿLib, which contains millions of records on small molecules. This opens up new possibilities for faster drug discovery, environmental monitoring, and advances in artificial intelligence.
KnowItAll 2026 introduces Trendfinder, a tool that brings Principal Component Analysis (PCA) into the KnowItAll environment, enabling simplified chemometric analysis. The new application also enhances LC-MS and NMR capabilities, providing users with advanced analytical capabilities.
Researchers developed a new microfluidic method to preserve worm anatomy, linking lipid signals with body structure using mass spectrometry imaging. They identified several lipids clustering in distinct anatomical regions, providing insight into how fat molecules are organized and function across the worm.
The new AEC-MS protocol provides comprehensive analysis of highly polar and ionic metabolites, improving molecular specificity and selectivity. This innovation has led to new applications in metabolomics, including studies on gut microbiome metabolism and energy substrate utilization.
An international team of researchers established standardized guidelines for analyzing oxylipins, bioactive lipids related to inflammation and disease. The guidelines aim to improve reproducibility in laboratories and facilitate the transfer of scientific discoveries to clinical practice.
Researchers at UC San Diego developed a computational method to determine omega positions of lipids in complex biological samples. This breakthrough makes omega position information accessible even for lipids in low concentrations, significantly advancing lipid research.
Researchers have identified a previously undocumented class of PFAS in the blubber of killer whales, accumulating in fat-rich blubber. This discovery challenges the long-held assumption that PFAS primarily bind to proteins and accumulate in liver or blood.
Researchers at the University of Graz and the University of California, San Diego have developed a novel method to determine omega positions of lipids in complex biological samples. This breakthrough enables the study of biological mechanisms in unprecedented detail, particularly for inflammation-related diseases.
The Wiley Registry has received a significant update with the addition of over 17,500 new spectra. The collection now boasts a total of 913,000 high-quality mass spectral data points. These updates enhance the database's comprehensive coverage and reliability, benefiting researchers in various fields.
Researchers have made a breakthrough in understanding the molecular determinants of drug response in cystic fibrosis patients who are resistant to current treatments. By analyzing CFTR mutations, they found that some proteins can be 'corrected' and respond to FDA-approved corrector drugs.
Researchers at University of California San Diego discover itaconate stimulates seedling development, enhancing crop growth and potentially offering a sustainable solution for increasing food production. The study provides new insights into the molecule's role in plant physiology and its connections to animal biology.
A new technology using microscopic beads marked with stable isotopes enables the simultaneous detection of dozens of different antibodies in hundreds of samples. This expands the capacity of serological analysis for biomedical research, vaccine development, and epidemiological studies.
Researchers developed a technique to separate and quantify ions, nanoparticles, and aggregates in nanomedicines, improving quality control for advanced pharmaceutical products. This method ensures the safe use of metal-based nanomedicines by distinguishing between their different forms.
Researchers developed a machine learning model called DreaMS to analyze previously unknown molecules. The model significantly accelerates the analysis and uncovers unexpected chemical similarities between substances.
New research finds megalodon preyed upon a variety of species, including fish, sharks, and even crustaceans, contrary to the long-held belief that it targeted large marine mammals. The discovery was made by analyzing zinc isotopes in fossilized teeth, providing insights into the prehistoric shark's ecological versatility.
Researchers identified the earliest known use of Peganum harmala, a medicinal and psychoactive plant, in fumigation practices and inhalation nearly 2,700 years ago. The study reveals ancient Arabian therapeutic and sensorial practices using native plants for bioactive and psychoactive properties.
Researchers have developed a new method that uses expansion microscopy to overcome the spatial resolution problem in mass spectrometry imaging. This allows scientists to detect hundreds of biomolecules at the single cell level in their native locations, enabling better understanding of their functions and interactions.
Researchers use a new pipeline to make genetically engineered plants with improved oil production, reducing labor and time in the process. The FAST-PB platform integrates automation and single-cell lipidomics to accelerate plant transformation.
Researchers found a high-velocity star ejected from a globular cluster at an extreme velocity of nearly 550 km/s, suggesting the presence of an intermediate-mass black hole. The star's similarities with the cluster's chemical composition and age provide strong evidence for the IMBH's existence.
Scientists successfully identified fossil filaments of sulfur-oxidizing bacteria in gypsum samples from Algeria, providing a methodological framework for detecting biosignatures in Martian sulfate minerals. This technology could be integrated into future Mars rovers or landers.
A new method called periodic cooking optimally cooks both the yolk and white of a boiled egg, resulting in an evenly-cooked egg with higher nutritional content. The approach involves alternating the egg between boiling water and a cooler temperature, yielding soft yolks similar to sous vide eggs.
A recent study published by researchers at the University of Liverpool has confirmed that Mesozoic fossils, including dinosaur bones and teeth, still preserve their original organic materials. The team used advanced mass spectrometry techniques to identify preserved collagen remnants in a well-preserved Edmontosaurus fossil.
Researchers discovered higher levels of microplastics and nanoplastics in preterm placenta compared to term births. The findings suggest that plastic accumulation may contribute to the risk of preterm birth.
Researchers utilized muon spin rotation spectroscopy to investigate the regioselective muoniation of peri-trifluoromethylated 12-phosphatetraphene 1, revealing a highly reactive muoniated radical at the phosphorus site. The study provided detailed insights into the structure and dynamics of the radical.
The study identified 105 compounds in Shenqi Fuzheng extract, with organic acids and amino acids showing higher concentrations in the bloodstream. Compounds such as Astragalosides promptly enter the bloodstream within 5 minutes after administration.
Researchers have created a new technique to rapidly assess paracetamol levels from saliva using Mass Spectrometry technology. The Paper-Arrow Mass Spectrometry (PA-MS) test is non-invasive, fast, and cost-effective, with the potential to improve patient care and outcomes.
Archaeologists have discovered that early North Americans made needles from the bones of fur-bearers, including foxes, hares, and cats, which were likely used to create garments for warmth. The findings provide strong evidence for tailored garment production using bone needles and fur-bearing animal pelts.
A WVU research partnership with the DEA aims to improve fast and accurate identification of psychoactive substances like fentanyl. The Expert Algorithm for Substance Identification (EASI) will enable labs using different instruments to share data on chemical profiles, helping to identify drugs like fentanyl.
The study reveals large genomic differences between European aurochs, North Asian aurochs, and South Asian ancestor, with evidence of human intentional feeding and targeted domestication. The genome of the central European aurochs was fully decoded for the first time, providing insights into the history of wild cattle in Europe and Asia.
A new method allows direct access to specific bits in synthetic polymer data storage, enabling random access. The researchers encoded a sequence of ones and zeroes into a polymer chain, demonstrating the feasibility of storing and retrieving large amounts of data efficiently.
Researchers at Caltech have developed a new technique called 'fingerprint nanoelectromechanical mass spectrometry' that allows for the accurate measurement of individual protein masses. This breakthrough could pave the way to determining the complete proteome, providing insights into an organism's health and potential disease treatments.
Researchers have introduced Tune-IMS, a technique that improves the precision of isochronous mass spectrometry for measuring short-lived atomic nuclei. The method has been successfully tested on several nuclides and has shown higher precision than previous IMS methods.
Researchers at ETH Zurich have developed a method to study protein interactions using LiP mass spectrometry, identifying thousands of interaction interfaces between proteins. They found that stress situations alter around five dozen protein complexes and their interactions, with a key player being the SAGA complex.
The new funding supports the first-of-its-kind single-cell mass spectrometer in Maine and one of the first in the country. Researchers can now analyze proteins and metabolites from individual cells, providing unprecedented detail into disease mechanisms.
A new study in ACS Pharmacology & Translational Science investigates the molecular mechanisms behind Efavirenz's negative effects on brain function. The research reveals that the drug alters lipid metabolism and downregulates certain enzymes, which could lead to the development of new drugs to block its negative activity.
A new mass spectrometry technique from Brown University dramatically reduces sample loss, paving the way for more accurate and efficient protein analysis. The nanopore ion source transfers ions directly into the vacuum of a mass spectrometer, eliminating the need for drying and vacuum processes.
Researchers developed an algorithm to analyze peptides in infected wounds, revealing unique biomarkers that enable earlier and more accurate diagnoses. This breakthrough method uses mass spectrometry and machine learning to diagnose infections in just a few minutes.
Researchers at the University of Kansas are analyzing noninfectious mosquito saliva to understand how it affects the immune system and changes at a molecular level. The goal is to identify specific proteins that can serve as candidates for vaccine development.
Researchers at TUM have mapped the interactions of 144 active substances with around 8,000 proteins using a new method called decryptE. This study could help identify previously unknown potential benefits of existing drugs and improve treatment outcomes for patients.
Researchers design Na0.6[Ni0.3Ru0.3Mn0.4]O2 and vacancy-introduced Na0.7[Ni0.2V0.1Ru0.3Mn0.4]O2 compounds to enhance sodium-ion battery performance. The V-NRM compound exhibits improved capacity and rate performance, with an additional short voltage plateau at 3.9V during charging.
A novel tool called BitterMasS harnesses mass spectrometry to predict bitterness without prior knowledge of chemical structures. The tool achieved remarkable precision and recall rates in internal and external tests, streamlining compound screening processes.
Han Xiao aims to develop cells that can biosynthesize and utilize non-canonical amino acids as in vivo sensors for enzymes involved in posttranslational modifications. This research could lead to new strategies in treating diseases by providing real-time insights into enzyme activities.
Researchers identify key proteins and signaling pathways for personalized treatment, enabling early detection of aggressive tumors. The study provides a crucial resource for developing new therapies and tests to guide treatment.
Scientists have developed a new method to detect antibiotics in finger sweat, showing high accuracy for tuberculosis treatment monitoring. The technique allows for less invasive testing, making it easier to monitor treatment and preventing drug-resistant TB.