A new scientific blood analysis uses biomarkers and NMR spectroscopy to predict short-term mortality in the next five years. The study found that biomarker concentrations are crucial for normal metabolism, regardless of known risk factors.
Researchers have identified carmine lake, a light-sensitive red pigment, used by Renoir in his painting 'Madame Léon Clapisson.' The study also sheds light on Winslow Homer's watercolor and Mary Cassatt's pastel, providing new insights into the techniques of these artistic masters.
Researchers at NIST developed a new method to accurately measure changes in living cell redox potential, which can serve as an indicator of cellular health and function. The technique uses nuclear magnetic resonance spectroscopy to detect glutathione levels and monitor intracellular redox reactions.
Researchers from the QUEST Institute have demonstrated a new method called photon-recoil spectroscopy, which enables the investigation of fast transitions in atoms or molecules. The method involves trapping two ions and using laser light pulses to measure their frequencies with unprecedented accuracy.
Researchers developed a method using Raman spectroscopy to distinguish normal brain tissue from brain tumor tissue, achieving up to 99.5% accuracy in distinguishing between the two. The technique has the potential to improve outcomes for patients undergoing surgery to remove glioblastoma multiforme (GBM), a deadly type of brain tumor.
Researchers have made refinements to a technique combining MRI and near-infrared spectroscopy (NIRS) to improve image quality and accuracy in detecting breast cancer. The new design allows for increased coverage of the chest, providing improved visibility for 'hard-to-see' areas, and has shown promising results in clinical trials.
The Biophysical Society has announced the winners of its Education Committee Travel Awards, which recognize students and postdoctoral fellows for their scientific merit. The award recipients will present their research during the meeting and receive a travel grant.
Scientists from EPFL investigated how generated electrical charges travel across perovskite surfaces of solar cells built with different architectures. The results showed two main dynamics: charge separation through electron transfer at sub-picosecond timescales, and significantly slower charge recombination for titanium oxide films.
Researchers at Rice University found that they can control the bonds between atoms in a molecule by applying a voltage and running an electric current through a single buckyball. The effect appears when the buckyball attaches to a gold surface, causing its internal bonds to undergo a subtle shift.
Researchers have developed a powerful technique to visualize the shape and motion of RNA at the atomic level using nuclear magnetic resonance spectroscopy (NMR). This allows for better understanding of RNA's structure and function, which can lead to the development of new drugs for diseases with genetic bases such as cancer.
The American Chemical Society's year-in-review issue highlights key developments in organic chemistry, sustainability, and spectroscopy. Researchers made progress in creating biomedical compounds and developing solar-powered sterilizers for safe water and medical instruments.
RAMBO allows researchers to run spectroscopy-based experiments in pulsed magnetic fields of up to 30 tesla on a tabletop. The device enables direct optical access to the sample and combines ultrastrong magnetic fields with short and intense optical pulses.
A new infrared spectroscopy technique called nano-FTIR has enabled researchers to map the secondary structure of proteins on the nanometer scale. The technique, which combines scanning near-field optical microscopy and FTIR spectroscopy, allows for nanoscale-resolved protein spectroscopy and identification of single protein complexes w...
A study using MR spectroscopy found that preterm infants' brains develop differently than full-term infants, with a disruption in the timing and synchronization of white and gray matter maturation. This false start in brain development may contribute to long-term problems such as autism and ADHD.
A team of researchers from Berkeley Lab has made the first in situ electronic structure observations of a metal-organic framework (MOF) as it adsorbs carbon dioxide gas. The study demonstrates the effectiveness of Near Edge X-ray Absorption Fine Structure (NEXAFS) spectroscopy in probing MOF chemistry and gas adsorption.
Researchers at Berkeley Lab have developed a technique to image individual carbon nanotubes, allowing for the characterization of their electronic and optical properties. This breakthrough enables the identification of specific species of nanotubes in functional devices, crucial for advancing nanotube technology.
Researchers have recorded unprecedented observations of energy moving through diamond impurities, providing a starting point for new insights into critical electronic-state phenomena. The findings hold broad implications for magnetometry, quantum information, and sensing applications.
The study found metabolic abnormalities in hippocampal and thalamic neurons of rats with the Egr3 gene transfection, which may be useful for early diagnosis and pathogenesis of schizophrenia. These findings provide imaging evidence that could aid in understanding the disease.
Researchers developed a new forensic technique to identify textile materials based on surface chemistry, bypassing visual characteristics. The method uses X-ray photoelectron spectroscopy (XPS) with argon-ion cluster beam technology to analyze surface layers, enabling the identification of fabrics and distinguishing treated fibers.
The PROSPECT II trial will enroll 900 patients with acute coronary syndrome to assess the ability of intracoronary near infrared spectroscopy (NIRS) to identify non-flow obstructing vulnerable plaques. The study will also evaluate the feasibility of a bioresorbable scaffold in preventing future major adverse cardiovascular events.
Researchers have developed a novel, non-invasive method to measure blood sugar levels using photoacoustic spectroscopy and infrared laser light. The technology has the potential to make diabetes management easier and more reliable without pricking or using test strips.
Researchers use spectroscopy to confirm distance of newly discovered galaxy, z8-GND-5296, which forms stars at a rate ~300 times that of the Milky Way. The discovery sheds light on the earliest formation of galaxies and provides insights into the evolution of galaxies throughout the universe's age.
Researchers have developed a new theory to analyze interacting nuclear spins in solvents, revealing that the Nuclear Overhauser Effect is long-range due to electromagnetic radiation frequency. This breakthrough improves understanding of molecular structures and dynamics, opening up new applications for NMR spectroscopy.
Researchers developed terahertz time-domain spectroscopy to analyze kerogen maturity stages. By applying this non-destructive method, they found relationships between kerogen optical constants and maturity stages, enabling the detection of oil-generating stages.
Researchers developed a method to extract and analyze lipid-soluble metabolites from human mesenchymal stem cells using MRI spectroscopy. The technique provides valuable insights into the metabolic characteristics of MSCs, which is essential for optimizing detection efficiency while minimizing cell usage.
Scientists developed a new SERS sensor with high sensitivity and reproducibility, detecting a specific organic species in low concentrations. The sensor uses vertically arranged carbon nanotubes to amplify Raman-scattered light signals.
Researchers have developed a 'dark channel mechanism' to explain binding processes in biochemical materials, allowing for deeper understanding of molecular interactions. The discovery, combined with ab initio calculations and high-resolution spectroscopy, provides new information on the chemistry of life.
Scientists have developed a reliable method for verifying the authenticity of rare stamps using infrared spectroscopy, which detected two counterfeits. The new technique allows for non-destructive testing and can be applied to various stamp components, providing a more comprehensive approach.
Scientists from NPL have developed a technique to identify counterfeit clothing and footwear using terahertz time-domain spectroscopy. The method detects distinct transmission profiles associated with different fabrics, allowing for the distinction between authentic and fake items.
Using surface-enhanced Raman spectroscopy (SERS), scientists can distinguish between adult stem cells, enabling the use of healthy ones in therapies. This technique holds promise for advancing stem cell and other cell-based therapies to treat diseases like Parkinson's.
Researchers at Berkeley Lab and University of Wisconsin have developed a non-destructive 3D imaging technique that provides molecular-level chemical information. The technique, FTIR spectro-microtomography, combines Fourier Transform Infrared spectroscopy with computed tomography to create full-color 3D images with unprecedented detail.
Researchers developed a detector that can chemically identify single molecules using terahertz radiation, enabling 'molecular imaging' at scales similar to airport screenings. The technology, featured in Nano Letters, has the potential for fundamental studies and practical applications.
A University of Pittsburgh study reveals that graphite materials are actually hydrophilic due to airborne contaminants. This discovery has significant implications for lithium-ion batteries and super capacitors, which may lead to stronger and more durable devices.
Scientists from Helmholtz-Zentrum Berlin used RIXS spectroscopy and ab initio theory to study the iron carbonyl complex. They discovered a strong orbital mixing between metal and ligands, weakening the chemical bond during excitation. This fundamental insight can help control catalytic properties and produce novel materials.
Researchers developed a new microscopy method combining STED fluorescence microscopy with raster image correlation spectroscopy to track molecule movements in live cells. This allows for high-resolution analysis of biomolecular dynamics, enabling better understanding of cell membranes and protein interactions.
Researchers used near-infrared spectroscopy to detect lipid core plaque in narrowed arteries of 20 patients experiencing a STEMI. The study found that the characteristic makeup of arterial plaque blocking an artery and causing a heart attack can be identified in living patients.
Physicists at Innsbruck University develop new method to measure single photons, achieving a detection probability of 12%. The technique uses quantum logic spectroscopy and entangled ions to gain practical knowledge about single particles.
Researchers at EPFL's LSU employed a world-unique setup to observe electron movement with unprecedented time-resolution. The study revealed that solvent configuration significantly affects electron departure, extending residence time up to 450 fsec.
Researchers at Brown University used a novel approach to nuclear magnetic resonance spectroscopy to resolve the key interaction between two proteins. The study reveals that the GroEL chaperone is a permissive captor, allowing the smaller protein to bind at two hydrophobic sites and detach, resulting in conformational heterogeneity.
A new Raman spectroscopy algorithm can accurately diagnose breast cancer and its associated lesions, reducing the need for repeat biopsies. The algorithm showed positive predictive values of 100% and negative predictive values of 96% for detecting breast cancer with or without microcalcifications.
A team of Penn engineers has created a new infrared sensor using nanoantennas, allowing for more sensitive detection and compact designs. The device works by connecting mechanical motion to temperature changes, reducing the need for bulky equipment and expensive materials.
Researchers at NIST have developed a new technique that allows for rapid scanning of atmospheric gases, enabling faster and more accurate detection of greenhouse gases. This innovation has the potential to improve climate science by combining high-accuracy measurements from various platforms.
Researchers have developed a non-invasive test for diagnosing non-alcoholic steatohepatitis (NASH), a more advanced form of NAFLD. The phosphorus magnetic resonance spectroscopy (31P-MRS) technique shows fair diagnostic accuracy for NASH and could improve clinical procedures.
Researchers at the University of Illinois have developed a new technique to measure nanometer-scale infrared absorption in semiconductor plasmonic microparticles. This allows for direct observation of plasmonic behavior within microparticle infrared antennas, enabling confirmation of theoretical models and design parameters.
The study found that women with more advanced breast cancer at diagnosis, higher body mass index, and more positive lymph nodes were at increased risk of developing lymphedema. Genetic markers associated with the development of lymphedema in breast cancer survivors were also identified.
Researchers employ terahertz spectroscopy to uncover a hidden ancient Roman fresco beneath a 19th-century painting in the Louvre. This non-invasive technique may lead to wider application in art conservation and analysis of cultural artifacts.
Researchers from the University of Notre Dame have created a method using environmental DNA (eDNA) and Light Transmission Spectroscopy (LTS) to detect invasive aquatic species in real-time. This innovative approach enables rapid identification of high-risk species before they cause significant damage.
Researchers explore the potential of quasicrystals in fundamental optics research, offering opportunities for building smaller optical circuits and creating more efficient devices. Quasicrystals' unique properties make them an attractive area of study for applications in biosensing, solar cells, and spectroscopy.
A new non-invasive optical measurement system monitors neonatal brain activity via cerebral metabolism and blood flow. The system, developed by Dr. Maria Angela Franceschini, will allow clinicians to screen for brain injury and monitor injury progression.
Researchers collected the first chemical fingerprints of a distant solar system's four red exoplanets, revealing unique spectra and peculiar characteristics. The findings suggest that the planets are too toxic and hot to sustain life as we know it.
Researchers at the University of Illinois developed a novel technique called atomic force microscope infrared spectroscopy (AFM-IR) to measure chemical properties of polymer nanostructures as small as 15 nm. This technique enables accurate identification of material composition, crucial for applications in semiconductors, composite mat...
Researchers at Ruhr-University Bochum have developed a new method to attach proteins to the surface of germanium crystals, enabling time-resolved tracking of molecule interactions. This technology has been applied in the EU project K4DD and allows for the study of G-protein-coupled receptors.
A new clinical study, funded by the NIH, aims to discover novel biomarkers and therapeutic treatments for patients with chronic fatigue syndrome. The four-year study will use advanced neuroimaging and clinical evaluations to expand scientific understanding and improve diagnostics.
Researchers at INRS Énergie Matériaux Télécommunications have developed a non-reciprocal electromagnetic isolator critical to THz source applications. The device enables the development of terahertz lasers and amplifiers, crucial for imaging, communications, and spectroscopy technologies.
A new spectroscopy method has been developed to analyze light emission from layered nanomaterials, enabling researchers to determine the orientation of emitters and potentially improve the efficiency of optical devices. The technique uses energy-momentum spectroscopy to study interference effects in thin films.
Scientists have developed wavelength-modulated Raman spectroscopy to overcome challenges in using the method in a clinical setting. The technique enables clean extraction of Raman signals even with high auto-fluorescence backgrounds and ambient light.
A team of UChicago astronomers, led by Jacob Bean, is utilizing new methods to analyze the atmospheres of exoplanets, with a focus on distinguishing between gas giants and water worlds. The search for exoplanets has revealed an estimated 17 billion Earth-sized planets in the Milky Way galaxy, potentially harboring life-sustaining worlds.
Researchers are exploring X-ray imaging on the attosecond timescale to better understand chemical reactions and interactions. Key findings include the importance of multidimensional nonlinear x-ray spectroscopy and the need for precise beam characteristics.
Berkeley Lab and SLAC researchers demonstrate simultaneous diffraction/spectroscopy of metalloenzymes using ultrafast, intensely bright X-ray pulses. The study provides critical snapshots of the photosystem II machinery's design principles for artificial light-driven catalysts.
Researchers at the University of Alberta have developed a receptor-free nanomechanical infrared spectroscopy method to detect trace amounts of explosives in complex mixtures. This technique increases selectivity and sensitivity, allowing for the detection of specific molecules even with high concentrations of interfering molecules.