Scientists have identified aromatic rice from Bangladesh with very low arsenic content, higher selenium and zinc levels. This could benefit millions of people worldwide who consume rice daily, reducing their risk of cancer and other health problems.
Researchers at Newcastle University used X-ray Photoelectron Spectroscopy (XPS) to analyze the build-up of hydrocarbons on replica kilograms, finding that a suntan could help remove contamination and bring prototype weights back to their ideal mass. The study highlights the significance of maintaining precise measurements in internatio...
Researchers at Rice University have discovered a new way to monitor protein aggregation in living cells, which could lead to the development of drugs that break up fibrils. The metallic probe, made of ruthenium, binds with misfolded alpha-synuclein proteins and can be tracked using photoluminescence spectroscopy.
Researchers developed a new nanotech tool to probe solar-energy conversion, revealing exquisite chemical details with a resolution thought impossible. The tool combines scan/probe microscopy and optical spectroscopy, enabling scientists to examine nanoscale chemistry and interactions with light.
Researchers developed a new method to study cellular transport dynamics, providing more comprehensive information than existing methods. The dispersion-relation fluorescence spectroscopy (DFS) approach labels molecules of interest, analyzing spontaneous fluorescence intensity fluctuations to quantify mass transport dynamics.
Researchers have successfully created near-atomically flat silicon surfaces, a breakthrough that could pave the way for new biological and chemical sensors. The team's innovative process uses computer simulations and infrared spectroscopy to create flat surfaces with alternating single-atom-wide rows.
University of California researchers use hard X-ray angle-resolved photoemission spectroscopy to study gallium manganese arsenide, a material with potential in spintronics. The study reveals fundamental understanding of electronic interactions, suggesting future materials development.
Biophysicists have discovered that the Ras protein forms an upright pair on the cell membrane, contradicting previous assumptions. This finding has significant implications for understanding cancer development and potential drug targets.
Researchers developed a new diagnostic tool using atomic force microscope based infrared spectroscopy to characterize polymer nanostructures and identify integrated materials. The technique allows for chemical analysis of polymer lines as small as 100 nm, enabling critically needed metrology for nano-manufacturing.
Scientists at the University of Warwick and Tohoku University have directly imaged Landau Levels, showing concentric rings that increase according to energy level. The discovery uses scanning tunnelling spectroscopy to overcome material disorder, shedding light on the quantum Hall effect.
Researchers aim to improve laser-induced breakdown spectroscopy (LIBS) technique for detecting trace amounts of substances of interest to Homeland Security. The project seeks to develop a more sensitive emission process, enabling analysis at a distance with greater accuracy.
Researchers use near infrared reflectance spectroscopy to assess seed oil quality and quantity, potentially boosting biodiesel output by optimizing oilseed yields and reducing costs
Researchers employed a high-powered laser to dramatically enhance electron paramagnetic resonance (EPR) spectroscopy, allowing for the study of tiny molecules at high resolution. This breakthrough will facilitate discoveries in fields such as new drug development and efficient plastic solar cells.
Researchers at Ruhr-Universität Bochum use infrared spectroscopy and computer simulations to study the Ras protein's role in cell growth. They found that Ras accelerates the cleavage of GTP by putting a phosphate chain under tension, which slows down cell growth.
Stephen Quake's work has revolutionized biophysics, biological automation, genome analysis, and personalized medicine with innovative physical techniques. His pioneering efforts have enabled answers to previously impossible questions and had profound impact on nearly every area of biology.
Jelana Stojanovic, a Kessler Foundation postdoctoral fellow, received the Research Award for Best Poster at the 2012 MS Centers Meeting. Her study used fNIRS to evaluate working memory performance in people with and without multiple sclerosis.
Researchers at Rice University developed a methodology to optimize the sensitivity of photoluminescent probes using time-resolved spectroscopy. Their technique gave results nearly twice as good as standard fluorescence spectroscopy when probed for specific DNA sequences, improving signal-to-background noise ratio.
Researchers at Ruhr-University Bochum developed a new method for studying the interaction between pharmaceuticals and their target proteins. The new technique uses infrared difference spectroscopy, which allows for the analysis of dynamic processes in proteins that were previously inaccessible.
Jon Camden, an assistant professor at the University of Tennessee, has received a $600,000 CAREER grant to support his research in surface nonlinear spectroscopy. The project aims to develop new analytical methods for detecting molecules on nanoparticles.
Researchers developed nano-FTIR, combining s-SNOM and FTIR spectroscopy for nanoscale chemical identification and mapping. The technique offers high sensitivity and resolution, making it a unique tool for polymer chemistry, biomedicine, and pharmaceutical industry.
Researchers from RUB have dynamically measured ATP splitting in membrane protein MsbA for the first time, tracking minute changes in the protein and its interaction with ATP. This study provides important clues on how the protein moves during ATP hydrolysis, laying the foundation for further investigation into whole membrane proteins.
Researchers have developed a method to produce silver nanoparticles using pomegranate peel as a reducing agent, avoiding the use of harsh chemicals and industrial solvents. The process produces nanoparticles with a diameter of 5 nanometers and has potential applications in various fields.
A University of Delaware-led research team has developed more accurate calculations for the interactions between molecules of hydrogen and carbon monoxide, essential for spectroscopy in astrophysics. These advancements enable researchers to analyze molecular clouds where stars are born with greater precision.
A team of American researchers has created an array of 25,000 individual invisibility cloaks that can slow down or stop light, creating a trapped rainbow. This technology enables 'spectroscopy on-a-chip' for detailed analysis of biological materials.
Researchers used ultrafast spectroscopy to study the initial stage of photosynthesis, observing a single photon exciting different chromophores simultaneously. This discovery hints at more efficient natural light-harvesting processes, potentially influencing efforts to create artificial materials and devices.
Researchers found that reducing fishmeal in farmed fish diets leads to lower health and growth. The cobia fed with reduced fishmeal had higher levels of metabolites linked to physical stress and lower levels of primary energy sources. In contrast, the diet with full fishmeal showed more normal growth and energy production.
Researchers use infrared spectroscopy to study processes at surfaces of oxides used as catalysts, finding oxygen defects act as active centers and increase catalytic activity. The method allows for precise measurements of vibration frequencies, revealing defect densities in real catalyst powders.
Researchers at Rice University created starfruit-shaped gold nanorods that can enhance surface-enhanced Raman spectroscopy, allowing for more sensitive detection of organic molecules. The particles return signals 25 times stronger than similar nanorods with smooth surfaces.
Researchers developed a noninvasive imaging technique using magnetic resonance spectroscopy to detect 2-hydroxyglutarate, a chemical produced by some brain tumors' warped metabolism. The technique can predict the presence of IDH1/2 mutations with 98% accuracy and may help doctors tailor treatment plans.
Researchers at CERN have successfully manipulated antihydrogen atoms using microwaves, providing the world's first glimpse of an 'anti-atomic fingerprint.' This achievement demonstrates the feasibility of applying microwave spectroscopy to study antimatter atoms.
Researchers at UBC-TRIUMF have successfully manipulated anti-hydrogen atoms using microwaves, providing the world's first glimpse of an 'anti-atomic fingerprint.' This achievement marks a significant milestone in the study of antimatter and brings scientists closer to understanding its intrinsic properties.
Mayo Clinic researchers have gained insights into the function of a histone chaperone called Rtt106 using NMR spectroscopy and X-ray crystallography. The study reveals two novel domains in Rtt106 that enable it to interact with modified histones, promoting proper chromatin assembly and disassembly.
LAMIS, a green chemistry alternative for laser spectroscopy, can precisely date the geological age of Martian samples. By analyzing molecular isotopes, LAMIS offers a faster and less expensive method compared to traditional mass spectrometry technologies.
Researchers at University of East Anglia will use a new ultrafast laser to study molecular energy transfer and design nanomachines and solar collectors. The equipment supports 2D electronic spectroscopy experiments to investigate the link between light-driven processes and molecular architecture.
Researchers at Arizona State University have identified over 1,200 proteins in umbilical cord blood, providing valuable information for the identification of biomarkers. The findings represent a significant advance in the discovery of early warning indices of disease and toxic exposure.
Researchers at Brandeis University have made a significant discovery on how EmrE, a protein responsible for exporting antibiotics from cells, works. By studying its structure and function using nuclear magnetic resonance spectroscopy, the team hopes to develop inhibitors that can target this protein and prevent drug resistance.
A team of chemists at the University of Pennsylvania has developed a method to watch proteins fold in real-time, allowing for a better understanding of protein folding and misfolding. This technique uses infrared spectroscopy to analyze structural changes as a function of time, providing insights into protein folding mechanisms.
The Notre Dame research team has demonstrated a novel DNA detection method called laser transmission spectroscopy (LTS) that can rapidly determine the size, shape, and number of nanoparticles in suspension. The technique is highly sensitive and takes only a few seconds to score a sample for species presence or absence, making it a prom...
Researchers at Genentech have identified a binding pocket on the Ras oncogene that provides an opening for therapeutic agents to attach. The discovery makes Ras, a gene mutated in 25% of human tumors, 'druggable' for cancer treatment.
Scientists used powerful synchrotron spectroscopy and computational modeling to reveal carbon as the mystery atom in nitrogenase, a complex enzyme crucial for life. The research was published online in Science and provides insight into the chemistry of how the cluster behaves, a step toward unraveling its mechanism.
Researchers have developed a new technique that can identify protein structures in just hours, revolutionizing the pharmaceutical industry. The enhanced NMR spectroscopy method using dynamic nuclear polarisation (DNP) enables significant structural data to be gained from small biological samples.
Researchers use single-molecule force spectroscopy to study the dynamics of protein folding, revealing a complex network of intermediate structural and kinetic states. The experiments on calmodulin molecule show distinct subdomains fold independently, interacting with others in a 'energy landscape' with dead ends and express routes.
A new magnetic tongue technology uses nuclear magnetic resonance spectroscopy to analyze food components and estimate tastes, showing promise for improving flavor detection in processed foods. The method has potential as a rapid, sensitive, and relatively inexpensive approach for food processing companies.
Researchers have developed a compact Raman spectrograph that can monitor blood sugar levels without daily finger pricks. The new design is five to 20 times smaller than previous models, enabling the creation of portable devices that could also detect other disease markers and identify cancerous tissue.
The new superlattice cameras can detect multiple infrared wavelengths simultaneously, enabling real-time chemical spectroscopy and enhanced image processing. These advancements offer unique functionalities beyond color representation, making them an attractive technology for various applications.
For the first time, Prof. Hans Jakob Wörner and colleagues have recorded electronic motion during a complete chemical reaction using attosecond spectroscopy on nitrogen dioxide molecules. This experiment reveals details of chemical reaction mechanisms that were not accessible to most previous experimental techniques.
A team of researchers transformed everyday iPhones into medical-quality imaging and chemical detection devices, enabling doctors to diagnose blood diseases in developing nations. The modified phones can perform detailed microscopy and spectroscopy, transmitting real-time data for further analysis and diagnosis.
A team of researchers at UC Santa Barbara has developed a novel technique using laser spectroscopy and silver nanoparticles to discriminate between cancerous and non-cancerous cells. The technology can help identify unique tumor cells that may spread to other parts of the body, improving diagnosis and treatment outcomes.
Researchers at the University of Notre Dame have identified a critical mechanism in methicillin-resistant Staphylococcus aureus (MRSA) resistance to beta-lactam antibiotics. The 'lysine N-decarboxylation switch' process, facilitated by protein BlaR1, enables MRSA to conserve resources until it detects an antibiotic threat.
Researchers develop new X-ray technique HARPES to study electronic structures below material surfaces, enabling better performance in nanoscale devices. The technique uses hard x-rays to probe deeper into materials than current ARPES methods.
Researchers developed a method to analyze confiscated indoor fireworks using four techniques, revealing hazardous substances like methanol and boric acid. The technique can be performed with mobile devices and provides conclusive scientific tests on the nature of these liquids.
The new microscope combines light-sheet microscopy and single molecule spectroscopy to record fluorescence and take snapshots every millisecond. It allows scientists to observe and measure fast processes like molecular diffusion across entire samples.
Researchers use Fourier transform infrared-attenuated total reflection spectroscopy to identify infected trees with 95% accuracy. The method is faster and cheaper than current DNA testing, but further differentiation between diseases is needed.
A new imaging tool has been developed to help understand and predict the structure of nanometer-sized pieces in living cells and devices. The technique, called phase-modulation 2D fluorescence spectroscopy, allows researchers to study complex molecular structures at the nanoscale.
Researchers at the University of California, Santa Cruz, have made significant progress in explaining the unusual properties of high-temperature superconductors using a new theory. The theory, known as Extremely Correlated Fermi Liquids, shows remarkable agreement with experimental data from studies of high-temperature superconductors.
Professor Achim Hartschuh at LMU Munich has been awarded a highly endowed EU Starting Grant for his project on new tools for nanoscale optical spectroscopy. He aims to develop innovative methods for optical microscopy and study the physical and chemical behavior of nanostructures.
Researchers at Ohio State University have discovered a potential new radiation treatment that uses heavy metals and low-energy electrons to target cancer tumors. The method, called Resonant Nano-Plasma Theranostics (RNPT), has the potential to reduce radiation exposure to healthy tissue.
A new non-invasive wireless near-infrared device has been shown to be as reliable as current invasive tests in determining bladder disease. The device uses light shone through the skin to monitor changes in bladder physiology, revealing consistent patterns of normal oxygen availability and blood supply in healthy subjects during urinat...
Researchers have developed a new technique for analyzing the local chemical composition and structure of nanoscale materials. The nano-FTIR instrument uses thermal radiation to focus light onto a sample, allowing for high-resolution imaging and spectroscopy of single nanoparticles or devices.
Fat, oil, and grease (FOG) harden into calcium-based fatty acid salts, creating deposits that reduce wastewater flow and cause environmental problems. Researchers have discovered the molecular mechanism behind FOG deposit formation using FTIR spectroscopy.