Researchers used infrared spectroscopy and thermogravimetry to study the interaction between probe molecules and oxide surfaces. They found that surface layers behave like glass-forming liquids, with density and dynamic behavior influencing interactions.
Researchers tested a new way to treat colour problems in rubies by using microwaves. The study found that the microwave treatment led to visible changes in the gemstones' colour and structure.
Researchers used low-frequency Raman spectroscopy to decipher stacking patterns in 2D materials, revealing unique effects of vibrations between layers. The study provides a platform for engineering materials with optical and electronic properties strongly dependent on stacking configurations.
Researchers have discovered a critical change in amyloid beta protein shape that explains why smaller bundles are more toxic than larger ones. This understanding may lead to developing drugs to treat diseases like Parkinson's and Type-II diabetes.
Researchers have developed a new way to controllably manipulate biomolecules like DNA using acoustic force spectroscopy. The technique stretches molecules by applying varying forces in a precise way, shedding light on chemical bonding and mechanical properties.
Researchers at UT Southwestern Medical Center found that light reflectance spectroscopy can differentiate between malignant and benign prostate tissue with 85% accuracy. This technology aims to improve surgical decision-making and reduce the amount of healthy tissue removed during prostate cancer surgery.
Researchers at PTB have demonstrated non-destructive state detection technique for molecular ions, enabling novel spectroscopy methods with applications in chemistry and fundamental physics. The technique enables direct observation of quantum jumps in isolated molecules.
A new study published in Nature Biotechnology reports that a 2D-NMR spectroscopy method can reliably assess the atomic structures of biologically similar products, yielding equivalent fingerprints. The method's precision is demonstrated through an interlaboratory comparison of four versions of a therapeutic protein drug.
Researchers at the University of Basel elucidated how drugs interact with cell surface proteins and transmit signals to the cellular interior. Using Nuclear Magnetic Resonance spectroscopy, they obtained unprecedented details into G protein coupled receptor function.
The Molecular Spectroscopy Group has created new multifunctional materials that mimic the photosynthetic organisms of plants. These materials capture a broad spectral range of light and convert it into chemical energy. They have been applied in various photonic applications, including tunable lasers and light modulators.
Researchers used molecular dynamics simulations to study supercritical water, revealing differences in hydrogen bond networks between three states: liquid water at room temperature, high-density and low-density supercritical states. The study aims to interpret experimental results using terahertz spectroscopy.
A new prototype lithium-air battery has been shown to produce only lithium superoxide, not peroxide, as it discharges, offering high efficiency and good cycle life. This discovery was made using a state-of-the-art mass spectroscopy apparatus that measures electrochemical reaction products in situ during charging or discharge.
A new laser-based technique, LIBS, has been developed for rapid analysis of inorganic species in biomass, showing accuracy comparable to ICP-OES methods. The technique's low cost, rapid turnaround time, and minimal sample preparation make it an attractive option for biomass analysis.
Scientists successfully analyzed proteins in Lewy bodies of Parkinson's disease patients, revealing β sheet structures and lipid-rich cores that may lead to understanding disease formation. This breakthrough could aid development of epoch-making treatment for the progressive neurodegenerative disorder.
Researchers have developed a technique that enables the detection of single molecules of contaminants, explosives, or diseases using a combination of surface-enhanced Raman scattering (SERS) and a slippery surface. This innovation has vast applications in analytical chemistry, molecular diagnostics, environmental monitoring, and nation...
At different hydration levels, researchers found that water contributes to subpicosecond structure fluctuations and broadens vibrational transitions in DNA. The study also reveals a pronounced coupling of backbone modes and an energy transfer between them.
Electrical engineers at UC San Diego developed a spectral-cloning receiver that can extract faint, non-repetitive signals from noise. This innovation has applications in secure communication, electronic warfare, signal intelligence, remote sensing, astronomy, and spectroscopy.
A team of researchers from Lehigh University and partners studied self-assembled complexes of DNA wrapped around single-wall carbon nanotubes using two-color photoluminescence spectroscopy. They confirmed a fast DNA autoionization rate and demonstrated that DNA holds the nanotube in water without changing its properties.
Researchers at St. Jude Children's Research Hospital identified a small molecule that inhibits the function of 'disordered' protein p27, which may aid regeneration of sensory hair cells to combat hearing loss. The discovery raises broader hopes for drug development targeting disordered proteins in various diseases.
Researchers have developed a non-destructive sensing method to determine fish freshness in frozen state using autofluorescence spectroscopy. This technique offers high sensitivity and accuracy, allowing for rapid detection of freshness conditions.
The article discusses imaging spectroscopy's potential in enhancing geological insights, highlighting its power and versatility. It also explores the growing concern of a critical shortage of trained geoscientists in the US workforce, with projected shortages reaching 135,000 by the next decade.
Scientists at EPFL show how a light-induced force can push the capabilities of surface-enhanced Raman scattering (SERS) even further. They overcame limitations by amplifying molecular vibrations with light, increasing sensitivity and resolution.
A new gamma-ray spectroscope using europium-doped strontium iodide detects valuable minerals in asteroids, moons, and other celestial objects. The breakthrough technology enables accurate analysis of rock-forming elements and precious metals at lower costs and with reduced power requirements.
The Visible Nulling Coronagraph (VNC) technology has demonstrated improved sensitivity over a broader spectral range, making it a stronger contender for a future astrophysics mission. The instrument will enable spectroscopy to study exoplanet atmospheres and identify signs of life.
Researchers at Berkeley Lab solved the structure of lithium- and manganese-rich transition metal oxides using complementary microscopy and spectroscopy techniques. The study revealed that the material is defected single-phase monoclinic, ruling out two popular theories.
Scientists at Umeå University have made a breakthrough discovery in extracting molecules from wood using enzymes that can function in switchable ionic liquids. The development opens up new possibilities for the production of biofuels and other industrial products.
The COMPASS method uses a combination of molecular spectroscopy techniques, predictive protein-folding algorithms, and image recognition software to determine a protein's likely structure. The approach has been successfully applied to 15 proteins and holds promise for studying complex protein structures that have eluded researchers.
SAGE will begin publishing Applied Spectroscopy in partnership with the Society for Applied Spectroscopy, a leading international journal covering all aspects of spectroscopy. The journal aims to publish original research and review articles on fundamentals and applications of photon-based spectroscopy.
Scientists have successfully recorded electron orbitals of molecules in all three dimensions using photoelectron spectroscopy. This breakthrough provides long-sought proof of the orbital concept and reveals new physical insights into the underlying photoelectric effect.
Researchers at Rice University have developed a new method for analyzing carbon nanotubes in solution using variance spectroscopy. This technique allows for the rapid analysis of small regions in dilute nanotube solutions, providing insights into the types, numbers, and properties of nanoparticles in the solution. By zooming in on thes...
Researchers use Raman spectroscopy to measure strain at each pixel on graphene's surface, enabling quick and accurate monitoring of defects. This breakthrough could help prevent defects caused by strain in high-quality graphene production.
Researchers at OIST have developed a method to increase efficiency of THz emission in gallium arsenide-based devices using femtosecond-laser-ablation. This technique improves the material's properties, leading to near 100% photon absorption and broader absorption bandwidth.
Researchers developed a new spectroscopy method, 2D HYSCORE, to capture the solar water-splitting reaction at the heart of photosynthesis. The study successfully resolved the active site geometry of manganese catalase, a simpler metal-containing protein, and gained insight into the mechanism of photosynthesis.
Researchers at INRS have developed an optical chip that can generate cross-polarized photon pairs, paving the way for more efficient and low-cost telecommunication networks. This breakthrough technology has the potential to revolutionize optical communication and applications such as signal processing and spectroscopy.
Researchers at the University of Pittsburgh have developed a new method for identifying pathogens using spectroscopy and protein hydrogels. This technique allows for rapid detection and identification of specific pathogens, enabling targeted antibiotic treatment and reducing the risk of misdiagnosis. The broader implications of this wo...
Dr. Geronimo Luis Villanueva, a NASA Goddard scientist, has been awarded the 2015 Harold C. Urey Prize for his exceptional work in planetary research and spectroscopy. He is recognized for his contributions to understanding comets and Mars's atmosphere.
Scientists at HZDR and TU Dresden create compact camera that enables precise filming of dynamic processes at the nanometer scale. The instrument combines advantages of two methods, allowing high spatial and temporal resolution.
Researchers at Children's Hospital Los Angeles have developed a non-invasive method to classify pediatric brain tumors, allowing for early intervention. The technique uses magnetic resonance spectroscopy (MRS) to identify distinct metabolic features in medulloblastoma subgroups, enabling subgroup-specific therapy.
The study provides a high-resolution readout of the energy levels for cations from their vibrational ground state to excited states, furthering our understanding of the coupled vibrations in the Renner-Teller effect. The results also shed light on the electronic structure of organic molecules.
A team of scientists used X-ray spectroscopy to analyze the interactions between active metals and gas molecules in catalytic converters. They found that different materials exhibit unique reaction paths, which can help improve their efficiency and reduce pollutant emissions.
Researchers developed a graphene-based sensor that can detect nanometer-sized molecules and reveal their structure. By harnessing the unique optical and electronic properties of graphene, scientists improved upon infrared absorption spectroscopy to create a highly sensitive molecule sensor.
Researchers have found that chlorine is depleted from the surface of perovskite absorber layers during processing, while its concentration near the interface with a titanium dioxide layer is higher. This distribution could help mitigate recombination and provide a template for growing the film.
Researchers developed a novel diffraction spectroscopy technique to probe chemical processes at the electrode/electrolyte interface, offering enhanced sensitivity and specificity. The method uses graphene gratings to detect molecular vibrations with sub-monolayer sensitivity.
Researchers successfully employed ultrafast terahertz spectroscopy to determine the basic properties of spintronics components. The study reveals significant underestimation of spin asymmetry in electron scattering, a core factor determining giant magnetoresistance.
Researchers developed a non-invasive technique using Raman spectroscopy to detect various forms of skin cancer. Malignant melanoma can be detected with an accuracy of 91%, while non-melanoma skin cancers are accurately identified between 73% and 85%.
Researchers measured variations in energy transition within cadmium atom isotopes, identifying physical cause of shift within nucleus. Two main factors influence hyperfine structure: magnetic field from electrons and nuclear electric quadrupole moment.
Scientists developed a technique to enhance nanoparticle signals using an optical microcavity, achieving near fundamental diffraction limit resolution. This enables the study of individual nanoparticles' optical properties, promising potential breakthroughs in biology, chemistry, and nanoscience.
Scientists have developed a new technique to visualize the behavior of ions in supercapacitors, revealing that different processes occur at work in the two electrodes. The research uses nuclear magnetic resonance (NMR) spectroscopy and tiny weighing scales to measure changes in mass as ions interact with the surface.
Researchers with Berkeley Lab have characterized the hydration structure of carbon dioxide gas dissolved in water, revealing its role in forming carbonic acid and bicarbonate. The study uses X-ray absorption spectroscopy and molecular dynamics simulations to provide a detailed understanding of this critical chemistry.
Researchers have developed a new, non-invasive method to diagnose kidney disease using an optical probe and Raman spectroscopy. The technique allows for the detection of subtle molecular changes in kidney tissue, enabling accurate differentiation between healthy and diseased kidneys.
Scientists have developed a powerful tool to investigate ion channel selectivity using infrared spectroscopy and molecular dynamic-based simulations. This approach allows for the detection of subtle conformational changes in large membrane proteins, such as potassium channels, at atomic resolution.
Researchers at the University of Kansas are working to improve the detection of life on Mars by combining Raman spectroscopy with gas chromatography/mass spectroscopy. They aim to analyze rocks from Earth similar to those found on Mars to strengthen evidence collection, as conditions on the Martian surface are inhospitable.
Researchers from the University of Waterloo discovered a new family of nonplatinum-based halogenated molecules that selectively target cancer cells while protecting healthy cells. These molecules generate reactive radicals that kill cancer cells, and increase the protective molecule glutathione in healthy cells.
A team of researchers has discovered a hidden companion to Delta Cephei, a key variable star used for measuring cosmic distances. The companion, with a mass around 10 times lower than Delta Cephei's, was detected using high-precision Doppler spectroscopy and is likely to impact the accuracy of distance measurements.
Researchers developed a hybrid approach combining core-loss spectroscopy and ultrafast four-dimensional electron microscopy to visualize structural dynamics of atomic-scale materials. The technique revealed tiny electronic changes in individual atoms within a material on ultrafast time scales.
Scientists have created a more efficient way to generate broadband terahertz radiation by using a microplasma in air, which can be used for applications such as monitoring explosives or drugs. The approach uses lower power lasers and can provide higher spectral resolution, enabling clearer identification of materials.
Scientists have developed a shape-shifting molecule that tricks viruses into mutating themselves to death. This breakthrough could lead to the development of more effective anti-viral treatments.
A novel form of near infrared spectroscopy, known as NIR hyperspectral imaging (HSI), has been developed to detect peanut contamination in powdered foodstuffs. The technique produces images with spectral data at each pixel, allowing it to detect trace levels of peanut over a large area.
Researchers at the University of Melbourne have discovered a new method for DNA sequencing using graphene, a one-atom thick sheet of carbon. This technique promises to improve speed, throughput, reliability and accuracy while reducing costs compared to current methods.
Researchers have found that people with cystic fibrosis have limited ability to uptake and use oxygen in their muscles, leading to exercise intolerance. The study uses Near Infrared Spectroscopy (NIRS) to evaluate skeletal muscle oxidative capacity in patients with CF, providing a non-invasive method for measuring muscle function.