Articles tagged with Mass Spectrometry
Researchers at Vanderbilt University have created a new 3D view of the body's response to infection, enabling the identification of proteins involved in the inflammatory response. The technology combines magnetic resonance imaging (MRI) and imaging mass spectrometry to visualize the immune system's response to bacterial infections.
Scientists at University of Warwick solve 40-year-old Fourier Transform Mass Spectrometry phasing problem, improving data quality for pharmaceuticals, healthcare, and environmental management. The breakthrough method doubles resolution and sensitivity at no extra cost.
Researchers at Bascom Palmer Eye Institute discovered the protein cochlin plays a crucial role in regulating intraocular pressure through mechanosensing and mechanotransduction. Elevated IOP is a primary risk factor for glaucoma, and this breakthrough offers potential avenues for innovative manipulation of aqueous outflow.
Organic aerosol is a significant fraction of fine particles in Beijing, with key role in air pollution. Recent study characterizes winter organic aerosols using high-resolution measurements, revealing prominent accumulation mode and photochemical characteristics.
Researchers developed a rapid test using mass spectrometry to identify Staphylococcus aureus, the bacterium causing staph infections. The test can detect low concentrations of bacteria in just a few hours, reducing manual labor and subjective interpretation.
Researchers analyzed Mayan containers for nicotine traces, revealing physical evidence of tobacco use dating back to the Late Classic Maya period (600-900 AD). The study confirms the intended use of an ancient container and highlights the importance of mass spectrometry in analyzing organic residues.
Researchers analyze ancient Mayan pottery using advanced technology to detect nicotine and its oxidation products, providing rare evidence of unsmoked tobacco leaves. The discovery represents new insights into the ancient roots of tobacco use in the Americas.
A new approach enables precise mass measurements of single molecules using molecular oscillators, overcoming limitations of conventional mass spectrometry. The technique allows for fast, miniaturized, and real-time analysis of molecular binding affinity, paving the way for versatile low-cost mass spectrometry measurements.
Advances in nanotechnology are driving innovation in mass spectrometry instrumentation, enabling faster and more precise biomarker validation. Researchers have developed novel nanoflow separation methodologies that ramp up the speed and precision of validating biomarkers.
Researchers at Fred Hutchinson Cancer Center demonstrate a staged, targeted pipeline approach using mass spectrometry to prioritize and validate protein biomarkers in mice. This method enables the testing of a larger number of biomarker candidates than conventional technologies, improving the efficiency of biomarker evaluation. The stu...
NASA has selected Southwest Research Institute's MASPEX mass spectrometer for technology development funding to analyze comets and improve understanding of their origin. The instrument is expected to excel in identifying isotopes in low-density populations and provide valuable insights into the origin of life.
Scientists have developed a powerful new technique to visualize the underpaintings of famous artworks by Rembrandt, Caravaggio, and Rubens. The scanning macro X-ray fluorescence analysis allows for detailed imaging of the composition of underpaintings without harming priceless artwork.
Carol V. Robinson has pioneered the use of electrospray mass spectrometry for structural studies of large protein assemblies. Her research has opened up a new area of mass spectrometry and inspired future generations of women in science.
A new analytical technique makes it easier to analyze rocks and soils on Mars, possibly indicating signs of life. The tool combines mass spectrometry with laser ablation and an ion funnel, allowing for in-situ analysis without sample handling.
Researchers use temperature jump and fast chemical reaction to capture protein folding process, providing detail needed for accurate predictions. The new method offers hope for improving protein structure predictions, which are crucial for medicine and biotechnology.
Researchers have developed a new technique using Time-of-Flight Secondary Ion Mass Spectrometry (ToF-SIMS) to detect and differentiate explosives. This technology provides rapid identification of components in explosives like C4, including the explosive active components, additives, binders, and contaminants.
AUA-led team finds complex organic molecules, including amino acids and nucleotide bases, in Titan's atmosphere. These findings suggest that Titan's atmosphere could be a reservoir of prebiotic molecules that serve as the springboard to life.
Researchers used imaging mass spectrometry to map signaling molecules between organisms, discovering metabolites involved in bacterial cannibalism. SDP and SKF were found to be essential for identifying and killing genetically identical cells.
A new method uses isotopic analysis to distinguish olive oil from shark-derived squalene and squalane, a potential solution to stop commercial fraud and protect sharks. The technique could also promote the production of plant-based squalene, discouraging shark fishing.
Researchers at Ohio State University have developed a rapid and accurate method to genotype single nucleotide polymorphisms (SNPs) that affect warfarin dose, enabling personalized treatment for patients. This new approach has the potential to improve patient outcomes and reduce adverse effects associated with warfarin therapy.
Researchers at NIST have developed a method to quantify extremely low levels of C-reactive protein (CRP), a molecule that indicates cardiovascular disease risk. The new certified reference material will improve the accuracy of clinical laboratory tests for CRP, enabling more precise detection of individuals at high risk of heart attack.
Researchers at the University of Gothenburg have developed a new technique that allows for precise analysis of protein sugar structures. This breakthrough may lead to a better understanding of disease mechanisms and potential new treatments, particularly for conditions such as Alzheimer's.
Researchers have developed a new technique that combines electrosurgery with mass spectrometry to analyze tissue during surgery. This allows surgeons to distinguish between malignant tumor cells and healthy tissue in real-time, potentially sparing patients from unnecessary second surgeries.
A new mass spectrometry-based tool has been developed by University of Cincinnati experts, providing more precise and cost-effective data collection for drug discovery efforts. The novel application eliminates false-positive results and reduces reagent costs, saving substantial time and money.
Researchers have developed computational tools to decode and rapidly determine whether natural compounds are new or patented. These advances will speed the discovery process, enabling scientists to characterize ring-shaped nonribosomal peptides and accelerate the timeline for bringing new therapies into clinical application.
Scientists at Stanford University have created a new method to analyze isotopes, which are used to solve crimes, date ancient artifacts, and identify chemicals. The device uses laser-based spectroscopy to measure the ratios of isotopes in a sample, providing accurate results within one to three parts per thousand.
Scientists at Beth Israel Deaconess Medical Center and North Carolina State University have confirmed that collagen protein is preserved in the bone fragments of a 80-million-year-old hadrosaur, supporting earlier results from a Tyrannosaurus rex study. The discovery provides robust evidence for bird-dinosaur evolution.
The study reveals the precise orientation of the Fenna-Matthews-Olson (FMO) antenna protein on the membrane, allowing for efficient energy transfer. The 'taco shell' protein plays a crucial role in connecting the peripheral chlorosome antenna complex to the reaction center.
Researchers at the University of Cambridge and Bristol have successfully maintained membrane complexes intact in a mass spectrometer, enabling the study of previously unexplored interactions. This breakthrough discovery has significant implications for understanding cellular security and drug resistance.
Julia Laskin, a PNNL chemist, has received the Biemann Medal for her groundbreaking research on mass spectrometry. Her work advances biomaterials and biological processes for clean energy production and creates biologically inspired systems.
Research identifies CKAP4-similar protein Ca-Hb3 as a tumor-associated antigen in colorectal cancer. The protein has been shown to have high homogeneity with Np63 alpha, a potential oncogene.
Recent advances in mass spectrometry have expanded knowledge of protein networks inside cells and their regulation. Researchers successfully identified over 5,000 proteins in embryonic stem cells using mass spectrometry, creating the largest quantified protein map to date.
Researchers at UC San Diego have created a method to determine the structure of nonribosomal peptides in just one day, compared to six months or a year previously. This breakthrough may aid in the development of new drugs inspired by natural compounds with antibiotic and antiviral properties.
Stevens researchers discover charge-directed heterolytic fragmentation mechanism in ortho-hydroxybenzaldehyde, while meta- and para-isomers undergo charge-remote homolytic cleavage. This study provides new insights into mass spectrometry.
Researchers are developing a portable mass spectrometer to diagnose tuberculosis (TB) with greater sensitivity than smear microscopy. The device could automate the process, making it more widely available in resource-poor settings where TB kills two million people annually.
Oklahoma State University has received $1.5M in NSF grants to acquire two new instruments: a field emission environmental scanning electron microscope and an LTQ mass spectrometer. These instruments will enhance research capabilities in areas of interest to industry, government, and other universities.
A Carnegie Mellon scientist has developed a new method to characterize large viral particles and proteins using a mass spectrometer. This breakthrough enables researchers to study intact protein complexes in seconds, paving the way for rapid disease diagnosis.
Researchers at the Midwest Forensics Resource Center are developing a library of forensic ink profiles using Direct Analysis in Real Time (DART) mass spectrometry. The new technique allows for faster and more detailed analysis of inks, enabling forensic scientists to differentiate between inks like never before.
The Cryogenic MALDI-FTMS technology enables unbiased view of disease by identifying proteins and biomarkers. This will aid in disease diagnosis, identification, and treatment options.
Researchers developed a technique to detect and sort different-sized polymer chains that pass through or block tiny pores in thin membranes. This non-destructive method measures individual biomolecules at the nanoscale level, enabling future applications in lab-on-a-chip molecular analyzers.
Researchers have identified a new class of lipids in tears and oleamide, a previously unknown lipid, shedding light on the complex design of tears. The discovery may help scientists better understand eye-related disorders like dry eye disease, which affects millions Americans.
Analyzing carbon and nitrogen in hair strands can determine whether a person has an eating disorder, providing an objective measure for diagnosis. The test required only five strands of hair to predict with 80% accuracy whether a person had anorexia or bulimia.
Cornell researchers have extended a top-down approach to analyze larger proteins containing over 2,000 amino acids, providing more efficient identification and revealing protein modifications. The new technique rivals the commonly used bottom-up approach, offering a complete picture of each protein and its modifications.
Researchers have developed a way to image cell membranes with record resolution, shedding light on their chemical composition and organization. This breakthrough allows for high-sensitivity analysis of biological samples on a nanoscale, providing new insights into cellular function and behavior.
Jean Futrell, a Battelle Fellow at PNNL, receives the American Chemical Society's Frank H. Field and Joe L. Franklin Award for his contributions to mass spectrometry theory and practice. His work addresses fundamental questions in the field through innovative instrumentation development.
A cost-effectiveness study found that six out of eight newborn screening tests were not only cost-effective but also cost-saving. The tests identified rare disorders such as hypothyroidism and phenylketonuria, which can have significant impacts on children's health and development.
Researchers have developed a mass spectrometry method to detect norovirus particles, a category B bioterrorism agent. This technique can identify different types and strains of viruses in complex environmental samples without prior knowledge, making it ideal for detecting emerging infectious agents.
A new screening technique using tandem mass spectrometry can detect seven devastating diseases with enzyme deficiencies in lysosomes. Early diagnosis enables the administration of treatments to repair the biochemical chain and minimize damage, offering improved quality of life for affected children.
A new mass spectrometer design will enable scientists to analyze intact protein complexes in seconds, avoiding sample loss and improving research efficiency. This breakthrough technology could revolutionize fields like proteomics, virology, and nanotechnology.
The NIST Mass Spectra Library has been upgraded with approximately 20,000 new spectra, increasing the total number of compounds to over 163,000. The new library includes gas-phase retention index data for volatile organic compounds and tandem mass spectrometry (MS/MS) spectra.
Radiocarbon dating reveals that New Guinean art is significantly older than previously thought, with some pieces dating back to 600-800 years ago. This challenges the assumption that such objects are ephemeral and were only used for a few generations, suggesting a more complex and long-lasting cultural tradition.
A team of researchers at Ames Laboratory is using $1.02 million in DOE funding to study the chemical processes within plant cells. By understanding metabolism, they aim to control the production of sugars, fibers, and waxes. The project involves developing new analytical instruments capable of identifying molecules in small quantities.
A Virginia Tech researcher is awarded a prestigious NSF CAREER grant to develop unique micro-analytical systems and detection strategies for proteomic investigations. The project aims to address basic technological limitations, enabling faster proteomics and new analytical capabilities.
The Idaho National Laboratory has recognized five scientists, William Apel, James Delmore, Paul Meakin, David Petti, and Herschel Smartt, as its first-ever Laboratory Fellows. They were selected based on their professional knowledge, scientific achievements, and national technical leadership.
The GFS program enables matching mass spectrometry data to raw genome sequences, identifying novel proteins in bacteria and model organisms. This grant upgrades the program to benefit the global proteomics community by providing a free, widely-used resource.
Researchers from Lawrence Livermore National Laboratory are presenting their work on using accelerator mass spectrometry (AMS) to detect carcinogens, study biomarkers for atherosclerosis, and develop novel drug delivery devices. AMS applications in biological research and soot production chemistry modeling will also be highlighted.
The team discovered a compound called DS-998 that shows promising activity against anthrax lethal factor in cell cultures, blocking the molecule's harmful cutting action. Mass spectrometry is used to screen a library of compounds, enabling rapid screening and reducing costs associated with drug development.
Researchers used SELDI-TOF mass spectrometry to analyze proteins in CSF of patients with known malignancies and non-cancerous conditions. They identified specific protein fingerprints that reliably distinguished between cancerous and non-cancerous disease, offering a promising diagnostic tool.
The Pacific Northwest National Laboratory (PNNL) has been awarded three Excellence in Technology Transfer Awards for its innovative technologies. The Electrodynamic Ion Funnel significantly improves the sensitivity of mass spectrometers, enabling the detection of new proteins and biomarkers for cancer early detection. Additionally, alp...
MassSpectator eliminates manual translation errors by automatically identifying peak sizes in mass spectrometry data. This allows for faster and more accurate chemical compound analysis, benefiting law enforcement agencies conducting criminal investigations.