Scientists at nanoGUNE have successfully transmitted and focused infrared light with miniature transmission lines, enabling single molecule spectroscopy and sensitive optical detection. The technique uses tapered transmission lines to confine light down to nanometer scales.
The University of Cincinnati has developed a highly sensitive sensor combining electrochemistry, spectroscopy, and selective partitioning to detect compounds in low concentrations. The three-mode sensor has been tested in various settings, including nuclear waste storage tanks and superfund sites.
Alum, a common vaccine adjuvant, interacts with dendritic cells to activate T cells that control antibody production. The breakthrough study uses single cell force spectroscopy to understand alum's properties, potentially leading to new vaccines for major diseases.
Researchers have developed a new spectroscopy technique that can distinguish between individual notes and musical ensembles with high accuracy. This breakthrough technology has potential applications in fields such as astronomy, communication signal recovery, and atomic physics.
Researchers from Innsbruck and Vienna have isolated gas-phase carbonic acid, a molecule previously thought to be non-existent. The team used infrared spectroscopy to characterize the molecules and found that they exist in at least three different species.
Researchers used near-infrared spectroscopy to investigate 7-8 month old infants' brain activity while perceiving their mother's face and female strangers. The study found increased hemodynamic responses in the bilateral temporal cortex for mothers, but only in the left temporaI cortex for maternal recognition.
Rice University researchers have developed a technique to measure the temperature of molecules using Raman spectroscopy and an optical antenna. They found that they could detect temperature fluctuations of up to 20 degrees in the molecules, which will be useful for the molecular electronics community.
Researchers found that magnetic resonance spectroscopy (MRS) can help diagnose chronic traumatic encephalopathy (CTE), a brain disorder caused by repetitive head trauma. The study revealed altered levels of neurochemicals in the brains of former athletes with suspected CTE, suggesting a potential non-invasive early detection method.
A chemist at UC Riverside is using advanced spectroscopy methods to verify the presence of pomegranate compounds in juices sold as pomegranate juice. By analyzing unique biochemicals, she aims to detect adulterated products and potentially apply this technology to other food and beverage items.
Milan Begliarbekov, a doctoral candidate at Stevens Institute of Technology, has found unique applications for graphene. His research uses µ-Raman spectroscopy to differentiate between monolayer and bilayer graphene, and establishes a new signature of Klein tunneling in graphene heterojunctions.
Researchers developed a novel 'brush optrode' that threads fibers through hair to improve functional near-infrared spectroscopy (fNIRS) signal levels 3-5 fold. The device increases scalp contact, enhances brain imaging, and is more comfortable for patients compared to conventional fiber ends.
A new method for molecular imaging in cells using CARS technique reduces power levels while increasing speed, enabling detailed molecular maps without damaging cells. This breakthrough opens the door for widespread use of vibrational spectroscopy in biology and clinical diagnosis.
Researchers used ambient-pressure XPS to examine every feature of a working solid oxide electrochemical cell, operating in an atmosphere of hydrogen and water vapor at high temperatures. This allowed for direct measurement of local chemical states and electric potentials at surfaces and interfaces during the cell's operation.
Researchers developed two non-invasive testing methods to identify dissolved cocaine in wine or rum bottles using Raman spectroscopy and magnetic resonance spectroscopy. These techniques allow customs officials to quickly detect cocaine without opening the bottle, potentially tracking the recipient without arousing suspicion.
Researchers have developed a method for creating novel metal films using ultrashort laser ablation, which allows for precise control over nanoparticle structures. This technique has potential applications in fields such as surface-enhanced Raman spectroscopy and the growth of carbon nanotubes.
A new microfluidic chip developed by Taiwanese researchers uses surface enhanced Raman spectroscopy to sort and identify bacteria. The technique creates unique spectral fingerprints for different bacterial species, enabling efficient identification.
Scientists used fluorescence correlation spectroscopy to investigate the processes at the surface of growing crystals. They found that when single tetragonal crystals formed, there was no concentration gradient between the solution and the crystal surface. However, in formation of clumps of needle-like branched crystals, called spherul...
Researchers at Helmholtz Zentrum Muenchen and TU Muenchen used NMR spectroscopy to determine the spatial structure of Sam68's Qua1 region, essential for dimerization and biological function. The study sheds light on Sam68's role in cell cycle regulation and cancer pathogenesis.
A team of McGill chemists has discovered a technique that can identify the composition of pigments used in art work that is decades or even centuries old. The technique, known as photoacoustic infrared spectroscopy, analyzes the infrared spectra emitted by pigments when exposed to light, allowing researchers to classify 12 historically...
Researchers have developed a new diagnostic tool using Magnetic Resonance Spectroscopy that can identify neurological diseases in patients without clear symptoms. The study shows promise for early diagnosis of degenerative brain disorders such as Huntington
Researchers have described the effects of messengers on infrared spectroscopy of protonated water clusters, allowing for better interpretation of spectroscopic data. The study reveals unexpected interactions between messenger molecules and cluster structures, enabling more accurate analysis of molecular vibrations.
A study using MRI and MR spectroscopy found that abdominal and liver fat are key predictors of successful weight loss in individuals at risk of developing type 2 diabetes. After a lifestyle intervention, participants with lower baseline levels of these fats experienced greater reductions in body weight and improved insulin sensitivity.
UCF physicists analyze space dust using far IR spectroscopy to identify minerals and provide clues about solar system formation and life emergence. The findings will be published in the Monthly Notices of the Royal Astronomical Society journal.
Researchers from Helmholtz-Zentrum Berlin für Materialien und Energie (HZB) used X-ray absorption spectroscopy to observe electron transfer in biochemical substances. They discovered a 'dark channel' where excited electrons remain longer, preventing fluorescent light emission.
Researchers observe valence electrons' motion for the first time, revealing coherent superposition that controls properties. The discovery uses attosecond absorption spectroscopy to explore electron dynamics in atoms and molecules.
Professor Minoru Tomozawa has developed a new technique using infrared spectroscopy to determine the fictive temperature of glass, enabling more accurate prediction of its properties. This breakthrough has significant implications for glass manufacturers and researchers alike.
Researchers at Nanjing University develop a new method to trap a wide spectrum of light, including visible radiation, using a self-similar-structured dielectric waveguide. This breakthrough has potential applications in on-chip spectroscopy, photon processing, and quantum computing.
JILA team finds similar behavior in ultracold atomic gases and high-temperature superconductors, supporting the idea that studying superfluidity in atomic gases can help understand complicated superconductors. The discovery lends support to the concept of a 'pseudo-gap region' where atom pairing occurs above critical temperature.
Scientists have developed a faster technique for testing soils around oil spills, allowing for on-site analysis of petroleum contaminants in moist soil samples. The new method uses visible near infrared light with diffuse reflectance spectroscopy to rapidly evaluate soils for oil contamination.
Researchers at Cambridge have developed a way to visualize chemistry in lithium-ion batteries using Nuclear Magnetic Resonance (NMR) spectroscopy. This technique could help identify the formation of dendrites, which cause short circuits and fires, enabling the development of safer battery technologies.
Researchers have found that biofuel combustion is more complex than previously thought, with diverse chemical reaction networks and the formation of toxic emissions. The study used a combination of laser spectroscopy, mass spectrometry, and flame chemistry modeling to explore decomposition and oxidation mechanisms.
A new endoscopic scanning technique called EPSS has been developed to detect dysplasia in Barrett's esophagus, a precursor to esophageal cancer. The technique uses polarized light scattering spectroscopy to identify cellular changes on a subcellular scale, enabling early detection and potentially improving treatment outcomes.
The Optical Dynamic Detection (ODD) solution uses precise laser pulses to detect explosive materials, providing greater accuracy than spectroscopy-based methods. By amplifying return signals and reducing background noise, ODD helps identify threats more effectively.
Researchers used MR spectroscopy to analyze the biochemical makeup of prostate glands and accurately identified the location of tissue confirmed to be malignant. The approach achieved an accuracy of over 90% in detecting stage II tumors and could potentially guide treatment planning.
A research team from the National Institute of Standards and Technology (NIST) has developed a new method to detect subtle clues to environmental threats affecting blue crabs. By analyzing metabolite levels in blue crab hemolymph using nuclear magnetic resonance (NMR) spectroscopy, they found biomarkers that can identify specific sourc...
A team of researchers at Penn State has discovered that certain combinations of elemental atoms can mimic the electronic signatures of other elements. By examining photoelectron spectroscopy data, they found similarities between titanium monoxide and nickel, zirconium monoxide and palladium, and tungsten carbide and platinum.
Researchers at MIT have found that chemical energy from ATP controls the shape of red blood cell membranes and determines their membrane vibrations. The study, published in PNAS, provides conclusive evidence that these vibrations require ATP input to occur.
Researchers at UC Davis have developed a fast and accurate urine test for pneumonia using nuclear magnetic resonance spectroscopy. The test identifies a unique chemical 'fingerprint' in the urine of patients infected with Streptococcus pneumoniae, distinguishing it from other types of pneumonia and noninfectious lung diseases.
Researchers explored how changes in water content affect bone's structure and dynamics, revealing dynamical structural changes in collagen. The study's success enables future research into atomic-level behaviors of bone under different conditions.
A new technique using infrared spectroscopy can accurately determine the gender of six-week-old turkey poults with over 95% accuracy, potentially saving millions of male chicks from being killed shortly after birth. This method could be used by the breeding industry to identify female eggs for breeding and select female turkeys.
Researchers at University Hospitals Case Medical Center report promising results from a study treating glioblastoma multiforme with Gamma Knife radiosurgery, increasing patient survival rates by almost four months compared to traditional radiotherapy alone.
Researchers have developed a new spectroscopy method that can detect explosive liquids in plastic bottles instantly, improving airport security. The method uses electromagnetic radiation to identify materials and a nanoelectronic device to detect signals, creating a detailed 'thumbprint' of the liquid's molecular signature.
The University of Alabama at Birmingham has been awarded $431,200 to acquire a highly-specialized X-ray Photoelectron Spectroscopy System with micro-scale-imaging capabilities. This will enable researchers to visualize surface chemical composition and bonding capabilities of newly designed materials.
A new research project at Idaho National Laboratory will use an innovative approach to learn how to get more use from nuclear fuel. The team plans to put pure samples of common actinides into the Advanced Test Reactor, which will then be analyzed using accelerator mass spectroscopy.
Researchers at UT Southwestern Medical Center used magnetic resonance spectroscopy (MRS) to measure pancreatic fat in humans, finding a significant correlation between fat content and diabetes risk. The study suggests that measuring pancreatic fat could be an effective clinical tool for identifying high-risk individuals.
Researchers confirm that Mars' surface minerals influence its soil temperature measurements using infrared spectroscopy, with significant increases and falls in reflectance values. This study has implications for NASA's Mars Science Laboratory mission, allowing for more accurate interpretation of data from the soil temperature sensor.
Researchers at NIST discovered a new technique to measure key structural properties of nanoscale metal-oxide films using terahertz spectroscopy. The method allows for the detection of amorphous and crystalline structures in these films, which are crucial for predicting device performance.
Researchers at Harvard-Smithsonian Center for Astrophysics have created an 'astro-comb' to help detect lighter planets around distant stars. The technique sharpens spectroscopy, enabling more accurate pinpointing of planet locations and opening possibilities for detecting more Earth-like planets.
Lisa Mauer, a Purdue University researcher, has developed an inexpensive and rapid method for detecting melamine in infant formula using infrared lasers and light spectroscopy. The technique can identify trace amounts of melamine at one part per million, significantly reducing the risk of contamination.
Researchers have proposed a novel optical clock concept that enables more stable clocks, sub-natural linewidth laser spectroscopy, and long coherence time lasers. The lasing behavior of the active optical clock is described by the modified Schawlow-Townes linewidth formula, which narrows the linewidth due to collective emission from ga...
Duke University researchers developed a light-based system to analyze tumor oxygen levels, helping oncologists choose effective treatments. The system uses diffuse reflectance spectroscopy and can provide immediate feedback during biopsies.
Researchers have determined the structure of a protein within its natural environment, Escherichia coli, for the first time using nuclear magnetic resonance (NMR) spectroscopy. This milestone advances our understanding of molecular biology and opens new avenues for investigating protein interactions in living systems.
A University of Pennsylvania team has successfully demonstrated a noninvasive optical device to monitor cerebral blood flow in acute stroke patients. The technology uses diffuse correlation spectroscopy to detect physiological changes, providing continuous bedside monitoring of brain blood flow and metabolism.
Researchers at Lehigh University have developed a nanoscale grating structure that can trap and release light waves at multiple locations and different frequencies. The structure, made of graded metal depths, enables the control of light waves on a chip, paving the way for applications in spectroscopy, sensing, and medical imaging.
Researchers used Nuclear Magnetic Resonance Spectroscopy to study the tau protein's structure and interactions in neurons of Alzheimer's disease patients. The study found that abnormal phosphorylation of tau proteins disrupts their ability to bind to microtubules, leading to cell death and nerve damage.
Researchers used Nuclear Magnetic Resonance spectroscopy to analyze the structure of Tau, identifying structural properties and fast motions. This breakthrough provides insights into how phosphorylation alters binding to microtubules, leading to nerve cell damage.
Researchers developed a new technique to detect early-stage pancreatic cancer by analyzing nanoscopic changes in cell biopsies. This method may help diagnose cancers earlier and treat them more effectively.
Researchers used NMR spectroscopy to analyze phosphorus forms in treated and untreated soils. The study found orthophosphate as the dominant form, with significant differences between treated and untreated soils.
A clinical decision model using MR spectroscopy can help patients avoid unnecessary biopsies and treatments by identifying whether a new lesion is due to a recurrent tumor or post-radiation changes. The technique analyzes ratios of three metabolites, including choline, creatine, and NAA, to determine the likelihood of a recurrent tumor.
Robin Clark will receive the prize for his groundbreaking use of Raman microscopy, enabling the authentication of art and artifacts without damaging them. This award recognizes his significant contributions to the field of chemistry and its impact on the preservation of cultural heritage.