Researchers adapted an instrument for high resolution electron energy loss spectroscopy to reduce the time required to measure phonon dispersion. The device uses a hemispherical electron analyzer and high energy-resolution electron source, allowing surface scientists to measure samples that were previously too cumbersome.
Researchers developed a novel method using Terahertz spectroscopy and 3D-printing technology to measure water content in crude oil with high accuracy. The technique can be used to continuously monitor moisture content and is suitable for applications even during high-water-bearing periods.
A new optical tool uses light scattering spectroscopy to distinguish between pre-cancerous and cancerous pancreatic lesions with high accuracy. The device offers a minimally-invasive means of diagnosis, which could reduce unnecessary surgeries and improve patient outcomes.
Researchers analyzed Lake Towuti sediment using visible-near infrared spectroscopy and found distinct variations in clay mineralogy over the past 40,000 years. This technique can help reconstruct ancient Martian climate history.
Researchers have successfully imaged the two dominant melanin molecules using a refined Raman-based technique, CARS microscopy. This breakthrough could lead to new understandings and early detection of melanoma, particularly in cases where pheomelanin is present.
A new NMR spectroscopy platform will facilitate research on protein-ligand interactions for ALS, diabetes, and cancer. The platform enables fragment-based drug discovery, aiming to develop targeted and effective drugs.
Researchers developed hyperspectral infrared nanoimaging, enabling recording of two-dimensional arrays of nano-FTIR spectra in a few hours. This technique allows for nanoscale-resolved chemical and structural information extraction, revealing spatial distribution and spectral anomalies of individual components.
Researchers at EPFL have determined a delay of one billionth of one billionth of a second in photoemission by measuring the spin of photoemitted electrons. This discovery has significant implications for understanding the properties of electrons in solids and advancing spectroscopy techniques.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences have developed the first flat lens that works across a continuous bandwidth of colors, from blue to green. This breakthrough enables new applications in imaging, spectroscopy, and sensing.
Researchers used remote sensing data to identify functional diversity hotspots in the Peruvian Andes and Amazon basin, revealing 36 forest functional classes. Up to 46% of these areas are currently protected, with government control over two-thirds and indigenous lands holding one-third.
Researchers used remote sensing data to identify 36 forest functional classes and 6 groups, revealing conservation hotspots. The study found that 32-46% of each group is currently protected, with opportunities for protection in highly threatened forests.
Using infrared spectroscopy and computer simulations, researchers at Ruhr-Universität Bochum discovered a magnesium atom contributes significantly to switching G-proteins on and off. This finding has implications for understanding disease mechanisms and developing targeted drugs.
Researchers from Moscow Institute of Physics and Technology create a precise method for measuring ocean temperature using Raman spectroscopy, enabling accurate tracking of thermal energy flows in the Arctic. The technique's accuracy is comparable to current direct measurements, opening up new possibilities for monitoring sea surface te...
Researchers developed a new microscope that can chemically identify individual micron-sized particles using infrared spectroscopy without detectors. The instrument uses photothermal modulation of Mie scattering, allowing for non-destructive analysis and identification of multiple species simultaneously.
Researchers developed a sensor that uses Raman spectroscopy to detect molecular markers of IBD in the colon, helping to distinguish between ulcerative colitis and Crohn's disease. The device could provide an objective gold standard for diagnosis and guide personalized treatment approaches.
Researchers from Forschungszentrum Jülich and LMU Munich use angle-resolved photoemission spectroscopy to visualize band structure shifts in response to magnetic field changes. This observation confirms the predictions made by Einstein's theory of relativity, which suggests that electrons can sense the direction of a magnetic field.
Researchers at the University of Illinois Chicago have developed a graphene system that can differentiate between cancerous and normal brain cells, detecting hyperactivity in single interfaced cells. This technique uses Raman spectroscopy to pinpoint changes in atomic vibration energy, allowing for early cancer diagnosis.
A research team analyzed PFIA membrane samples using infrared spectroscopy to understand water retention. They found that PFIA is better at managing water in low humidity conditions, retaining it through a hydrogen-bonded network. This improvement is crucial for further optimizing membranes and extending their operational area.
Researchers have developed a non-destructive imaging technique to accurately determine the sex of baby chickens within four days of hatching, promising to reduce animal welfare concerns. The technique uses optical spectroscopy to identify gender-specific biochemical differences in embryonic blood, with an accuracy rate of 93%.
Researchers developed a method to continuously assess the aging of materials in high-radiation environments, speeding up testing and reducing material replacement. Transient grating spectroscopy induces acoustic waves that reveal subsurface defects, allowing for real-time monitoring without physical contact.
The researchers used spectroscopy to visualize the arginine finger bonded to the GTP molecule at high precision, revealing how its snap affects geometry and charge distribution. This discovery has implications for understanding switch processes in the body and developing treatments for cancer and genetic diseases.
Researchers have finally captured water molecules passing excess charges, revealing the Grotthuss mechanism. This process is crucial for understanding water's behavior in biological and industrial settings.
A team of experts from Sam Houston State University is developing a novel investigative tool using micro Raman spectroscopy to analyze inkjet printer signatures. The goal is to provide reliable leads in counterfeit cases while being time-effective and non-destructive.
A team at HZB and Univ. of Freiburg has cooled 10 million ions to 7.4 K using a novel method, allowing for cryogenic X-ray spectroscopy and studying magnetism and ground states of molecular ions. This achievement paves the way for developing new materials for energy-efficient information technologies.
A multidisciplinary team created a living bio-hybrid system that connects neurons in the brain to human-made electronic devices. The research used Raman spectroscopy to analyze biocompatibility and functionality of adhering cells, paving the way for seamless interfacing between machines and nervous systems.
Researchers directly determined the relation between bandgap energy and size/shape of individual CsPbBr3 nanocrystals, revealing effective coupling between semiconductor NCs upon close contact. This study provides unique insights into interacting behavior of neighboring NCs and paves the way for designing large quantum structures.
Researchers used NMR spectroscopy to identify a panel of 10 urinary metabolites associated with fetal growth and increased birth weight. Changes in these metabolites could explain 12% of the variation seen in birth weight, independent of other known predictors.
A large-scale multicenter prospective study found that PCI on coronary artery lipid-rich plaque (LRP) detected by near infrared spectroscopy (NIRS) was not associated with subsequent major adverse cardiac events (MACE). The study suggests that NIRS-defined LRP is a safe and stable condition, contrary to previous autopsy-based studies.
Researchers at NICT have developed a flexible optical design method for superconducting nanowire single-photon detectors, enabling high detection efficiency over a precise spectral range while rejecting other wavelengths. This technique has potential applications in quantum cryptography, fluorescence spectroscopy, and remote sensing.
Researchers create novel nanotool that allows for simultaneous analysis of large numbers of molecules, enabling testing of protein and gene functionality under deformation. The new method uses self-assembled power gauges to apply precise forces on biomolecules.
A new method allows for the analysis of dissolved molecules using time-resolved photoelectron spectroscopy, simplifying laser experiments with ionic liquids. This enables insights into physical and chemical processes of novel liquid energy materials.
A novel optical sensor has been developed to detect vitamin B12 in human blood serum, enabling early intervention and tracking of levels in high-risk patients. The device uses Raman spectroscopy to produce a unique optical fingerprint of vitamin B12, offering a promising first step towards a point-of-care solution.
Researchers developed an MRI-based method to track the state and progression of genetically mutated brain cancer using a new biomarker 2HG. This non-invasive method provides a diagnosis when neurological risk from surgery is too high, and allows for rapid assessment of treatment response.
Scientists developed a method to measure the oxygen coefficient of uranium in complex oxides using X-ray photoelectron spectroscopy. The new technique provides accurate information on uranium oxidation state, essential for creating nuclear reactor fuel, waste disposal templates, and environmental rehabilitation technologies.
Researchers from the University of Copenhagen have reviewed the use of NIR spectroscopy to detect food fraud in Current Opinion in Food Science. The method can reveal far more food fraud than current methods, including intentional misrepresentation and undeclared introduction of cheaper substances. By examining large quantities of raw ...
The paper explores various techniques for brain-machine control, including EEGs and near infrared spectroscopy, to facilitate communication and rehabilitation in paralysed patients. Brain-machine assistive interfaces enable patients to communicate or control external devices such as prostheses.
Scientists have developed a glucose-sensing contact lens that utilizes surface-enhanced Raman scattering spectroscopy to detect glucose levels in tears. The device, built from multiple layers of gold nanowires, enhances the sensing properties by creating hot spots within the nanostructure.
MIT scientists developed a technique to interpret Raman spectra, identifying samples with high hydrogen-to-carbon ratios that may preserve ancient microbial life. The new method enables the 2020 Mars rover to select ideal samples for further study, potentially revealing signs of past life on Mars.
Researchers at Drexel University used functional near-infrared spectroscopy to measure brain activity while participants navigated a college campus with Google Glass. They found that users had higher situation awareness and lower mental workload than those using an iPhone, but also experienced cognitive tunneling.
A new medical device that combines laser spectroscopy and precise flow measurement has shown promise in improving care for shock patients. The device, which fits into a standard ventilation tube, allows doctors to monitor oxygen consumption in real-time, potentially leading to more effective treatment.
Dr Matthew Baker has won an international award for his pioneering research on diagnosing brain tumours using vibrational spectroscopy. His work enables the development of accurate and efficient clinical diagnostics.
Rice University scientists detect thermal boundary that hinders ultracold experiments, requiring clever measurement techniques to overcome. The researchers found that cooling substrates reduced temperature increases, but thermal boundary resistance remained a major issue.
Researchers developed an ultrasensitive chemical sensor using N-doped graphene and Raman spectroscopy, detecting trace amounts of molecules in solutions. The technique significantly enhances the Raman signal, allowing for detection of organic molecules at very low concentrations.
Near-infrared spectroscopy technologies offer improved quality of life through portable, sensitive, and non-invasive diagnosis and treatment of diseases. The latest advances enable researchers to investigate complex illnesses and dysfunctions.
Researchers developed a fast and non-destructive method to detect Wolbachia bacteria in Aedes mosquitoes using near-infrared spectroscopy. The technique shows high accuracy in detecting the presence of Wolbachia strains, including benign and aggressive forms, with an average accuracy of 96-92%.
Researchers from Ruhr-Universität Bochum and Technische Universität Dortmund used infrared spectroscopy and computer simulations to analyze the behavior of TMAO at high pressure. They found that some bands shifted to higher frequencies, while individual peaks changed their form, indicating a change in molecular structure.
Researchers at UT Dallas develop an affordable electronic nose using CMOS integrated circuits technology, allowing for breath analysis in various health diagnoses. The device can detect low levels of chemicals present in human breath with high specificity and sensitivity.
A new, broad-band tunable infrared laser from Northwestern University offers high-power rapid tuning and has implications for detecting drugs and explosives. The robust, all solid-state laser can be rapidly tuned to capture unique spectral fingerprints of gases.
Researchers have developed an inexpensive and flexible micro-Raman system for non-destructive analysis of biological samples, offering a fraction of the cost and capability of commercial tools. This system allows for label-free detection of variations in biomolecular composition and correlates it with corresponding biological changes.
By combining FTIR spectroscopy with microarrays, researchers can extract detailed information about protein structures and bonding, allowing for precise quantification and analysis of proteins in minute amounts. This breakthrough enables label-free detection and high-throughput analysis of hundreds of proteins in a few minutes.
A new device detects ultra-low concentrations of gases accurately and nearly instantly, even with small vibrations. The sensor uses cavity ring-down spectroscopy and a high-power broadband laser, making it more practical for field applications.
VIPA-based Brillouin spectroscopy enables accurate tissue stiffness measurement by suppressing unwanted light noise. The technique allows for noninvasive biological characterization of materials like chicken breast or potentially cancerous tumors.
Researchers at JILA have developed a new technique using laser frequency comb spectroscopy to detect and identify large, complex molecules. The upgraded system cools molecules to near absolute zero, simplifying and strengthening absorption signals and greatly boosting the ability to identify the molecules.
Researchers at Georgia State University have developed a rapid and cost-effective method for detecting ulcerative colitis using Attenuated Total Reflectance Fourier Transform Infrared (ATR-FTIR) spectroscopy. The technique, which involves testing serum for increased presence of mannose, shows promise as a personalized diagnostic tool.
A team of researchers has successfully built the first quantum cascade laser on silicon, paving the way for applications in chemical bond spectroscopy, gas sensing, astronomy, and free-space communications. The breakthrough integrates lasers directly on silicon chips, overcoming challenges posed by silicon's indirect bandgap.
A new technique to probe and control environmental noise in quantum computing has been developed by a Dartmouth-led team. The method, called quantum noise spectroscopy, uses a quantum system as a probe of its own environment to extract information about the noise.
Researchers have synthesized micrometer length-scale carbon chains, surpassing previous records by more than one order of magnitude. The discovery confirms the existence of ultra-long linear carbon chains, also known as carbyne, using various advanced spectroscopic and microscopic techniques.
Scientists have detected internal movements in LOV photoreceptors using neutron spectroscopy, which can control biological processes with light. The study highlights the potential of neutron scattering experiments for analyzing cellular processes and provides unique insights into protein functionality.
A new study published in Cerebral Cortex found that brain metabolism is a significant predictor of fluid intelligence in young adults. The research used magnetic resonance spectroscopy to measure concentrations of the molecule N-acetyl aspartate in different regions of the brain, revealing a link between NAA levels and fluid intelligence.
Scientists at Berkeley Lab have developed a device that enables NMR spectroscopy with hyperpolarized xenon gas to analyze molecular interactions in viscous solutions and fragile materials without disrupting their order. This breakthrough could help improve advanced polymers, filters, catalysts, and liquid-crystal displays.