Researchers developed a method to detect internal cracks in rice seeds without damaging them, improving efficiency and accuracy of seed quality assessment. The method uses near-infrared spectroscopy combined with machine learning algorithms to identify key variables related to amylose content.
A team developed a new detection method using organic phosphorescent probes and phosphorescence spectroscopy to study organic molecules in water ice. The study found that adding trace amounts of small or large molecular organics can significantly inhibit the crystalline order of water ice.
The review highlights the need for accurate bioaerosol detection methods that can distinguish between microorganisms at the species level. Laser-induced fluorescence and Raman spectroscopy are identified as promising technologies for online monitoring, but flaws in current methods must be addressed to improve accuracy.
Lehigh University researchers developed a novel spectroscopy technique called modulation excitation spectroscopy (MES) to study selective catalytic reduction (SCR) of nitrogen oxides. The results, published in Nature Communications, reveal the correct reaction pathway and have significant implications for optimizing catalytic converters.
Researchers used ultrafast terahertz Stark spectroscopy to characterize the molecular quantum states involved in the proton pump reaction of bacteriorhodopsin. The study reveals pronounced quantum state mixing in the early electronic and nuclear dynamics, supporting a picture of mixed excited-state characters.
Researchers developed a simple method to measure nano/microplastic concentrations in soil using spectroscopy, eliminating the need for separation processes. The method uses a wavelength combination of 220–260 nm and 280–340 nm to accurately quantify N/MPs in different soil types.
Researchers used O K-edge X-ray absorption spectroscopy to analyze isolated water molecules in aqueous acetonitrile solutions. The study found that these molecules exhibited distinct electronic and structural properties compared to small water clusters.
Columbia Engineers employ nuclear magnetic resonance spectroscopy to examine lithium metal batteries. Their findings may help design new electrolytes and anode surfaces for high-performance batteries, addressing the challenges of commercializing lithium metal batteries.
Scientists have developed a powerful tool to investigate molecular dynamics in real-time, tracing the evolution of gas-phase furan and uncovering its ring-opening dynamics. The technique, based on attosecond core-level spectroscopy, provides an extremely detailed picture of the relaxation process.
Scientists have developed a method to accelerate spectroscopic analysis, enabling real-time measurements. The technique utilizes compressed sensing and strategically randomized measurement points to reconstruct signals with fewer data points, overcoming the challenge of temporal overlap between pulses.
The IRIS beamline at BESSY II has been extended with a nanoscope, enabling the imaging and spectroscopy of structures smaller than a thousandth of a human hair. This upgrade allows researchers to study biological systems, catalysts, polymers, and quantum materials with unprecedented resolution.
Researchers upgraded a photoelectron momentum microscope to use two undulator beamlines, enabling element-selective measurements and precise analyses of valence orbitals. This innovation provides deeper insights into the behavior of electrons in materials, advancing fields like condensed matter physics and materials science.
Researchers pioneer technique to control polaritons, unlocking potential for next-generation materials and surpassing performance limitations of optical displays. The breakthrough enables stable generation of polariton particles with enhanced brightness and color control.
Researchers used operando spectroscopy to study the oxygen evolution reaction in iridium oxide catalysts. The team found that binding of reaction intermediates to the electrode was controlled by long-range interactions between the intermediates and the solution, which depended on pH.
Researchers developed a compact swept-source Raman spectroscopy system for identifying both chemical and biological materials. The portable system addresses limitations of bulky dispersive Raman spectrometers, providing accurate results comparable to conventional systems.
The study proposes a smart food formulation model using infrared spectroscopy to predict puree quality. PLS regression models accurately predicted characteristics like color, viscosity, and acidity, opening avenues for optimizing puree formulation.
Scientists observed dynamic electronic behavior and surface structure of triphenylene molecules deposited on graphite substrates, revealing a standing-up configuration. The study contributes to the development of new luminescent materials and functional organic electronic devices.
Recent advancements in terahertz radiation reveal the physical processes involved in quantum materials. The study highlights the exploration of THz emission in topological insulators and semimetals, multiferroics, and superconductors, shedding light on their fundamental physics.
Researchers at the Max Planck Institute of Quantum Optics have successfully developed a new technique for deciphering the properties of light and matter, enabling precise spectroscopy under low-light conditions. This breakthrough opens up possibilities for novel applications in photon-level diagnostics, precision spectroscopy, and biom...
Researchers at Max Born Institute have successfully implemented high-resolution linear-absorption dual-comb spectroscopy in the ultraviolet spectral range. This breakthrough enables experiments under low-light conditions, paving the way for novel applications in precision spectroscopy and biomedical sensing.
Researchers at UNIST have developed a method to measure nanometer-sized samples within a transmission electron microscope, utilizing nano-thermometers based on cathodoluminescence spectroscopy. The technique offers improved accuracy and spatial resolution compared to conventional methods.
A new Raman spectral preprocessing algorithm enhances biomedical applications by improving noise removal and baseline correction. The two-step strategy, RSPSSL, uses self-supervised learning to achieve high-fidelity denoising and visualization of clinical tissue samples.
Scientists develop innovative approach for hyper-spectral resolution and high-speed spectral acquisition using amplified femtosecond-pulse bursts. The technique offers high spectral resolution and motion-free scanning, promising applications in gas sensing, chemical analysis, and molecular dynamics tracking.
A team of researchers from the Max Born Institute has demonstrated a new approach to all-attosecond pump-probe spectroscopy using a compact intense attosecond source. This enables the investigation of extremely fast electron dynamics in the attosecond regime, which is not accessible by current attosecond techniques.
Researchers have developed a novel 'nano active control platform' to control excitons and trions, providing valuable insights into the optical properties of two-dimensional semiconductors. The breakthrough discovery enables real-time analysis of nano-light properties with exceptional spatial resolution.
The UK Centre for Multimodal Correlative Microscopy and Spectroscopy (CoreMiS) will enable researchers to analyze environmental samples with unprecedented detail. CoreMiS has already been used to study ancient artifacts, detect pollutants in drinking water, and investigate antimicrobial resistance.
A new quantum optics technique has been introduced to explore light-matter interactions in semiconductors. The technique, called photon-cascade correlation spectroscopy, uses spectral filtering and photon-correlation analysis to reveal interactions between semiconductor exciton-polaritons.
MIT researchers have developed a new method to track cell differentiation and study long-term processes like cancer progression or embryonic development. They used noninvasive Raman spectroscopy to monitor embryonic stem cells as they differentiated into multiple cell types over several days.
Researchers developed a method to observe single protein vibrational spectra using near-field optical microscopy, enabling detailed analysis of extremely small samples. The technique represents a major breakthrough for ultra-high sensitivity and super-resolution infrared imaging, as well as single-molecule vibrational spectroscopy.
A team of scientists used functional near-infrared spectroscopy (fNIRS) to measure brain activity in two key visual regions, the lateral occipital complex (LOC) and fusiform face area (FFA). The study found that fNIRS successfully measured LOC activity but had limitations in detecting FFA activity due to its depth. This research has th...
Researchers used SERS spectroscopy to explore metabolites secreted by cancer cells, discovering a unique paracrine crosstalk that reprograms the tumor environment. This study demonstrates the potential of SERS technology for cancer metabolism research and may lead to new therapeutic strategies.
Researchers develop a versatile imaging system for targeted spectroscopy in the eye fundus, allowing for continuous color imaging and spectral measurements. The system enables users to select targets and move them to any location within the eye fundus region without realignment or fixation changes.
Researchers used NIRS to track oxygenated hemoglobin levels in infant brains responding to gentle touch. They found similar response times across age groups, but varying signal amplitudes that may be linked to changes in blood flow and erythropoietin production.
Researchers from China University of Petroleum apply terahertz spectroscopy to characterize oil shale's anisotropy, organic distribution, and fingerprint spectrum. The method enables simultaneous characterization of main oil generation zones and natural gas zones.
Researchers at University of Eastern Finland developed a new method for accurate determination of water content in water-soluble compounds, utilizing solution-state nuclear magnetic resonance spectroscopy. The method is simple, accurate and quick, with results comparable to traditional methods like TGA and X-ray crystallography.
Researchers successfully monitored the diffusion behavior of a single molecule using SERS technology, enabling real-time analysis. The study found that crystalline violet molecules can be confined in sub-nanometer space, providing insights into molecular interactions and chemical reactions.
Researchers from Fudan University and others report a new method to analyze lattice vibrations and excitations in materials using terahertz difference frequency mixing. The technique offers sub-monolayer sensitivity for studying interface properties of complex oxides.
Scientists generate and control coherent polaron oscillations, enabling the manipulation of dynamic electric properties of polar liquids. The study demonstrates the importance of many-body interactions in polar molecular ensembles.
A research team developed a data fusion strategy combining near-infrared spectroscopy (NIRS) and laser-induced breakdown spectroscopy (LIBS) for fast and accurate detection of compound fertilizer components. The approach improved accuracy by up to 33.5% compared to LIBS alone.
Researchers developed a novel WGM microprobe to enhance Raman signals by combining surface-enhanced Raman spectroscopy (SERS) and whispering-gallery-mode (WGM) microresonators. The platform enables 2D hyperspectral imaging with signal enhancement, opening opportunities for material analysis and chemical imaging.
Researchers at Children's National Hospital used magnetic resonance spectroscopy to find new biomarkers that reveal how CHD changes an unborn baby's brain chemistry. The study found altered levels of choline and N-Acetyl aspartate-to-choline ratios, potentially representing disrupted brain development.
A team at Aston University has demonstrated that benchtop spectrometers can analyse pyrolysis bio-oils with high accuracy, comparable to expensive high-field spectrometers. This breakthrough makes NMR analysis of pyrolysis oils more accessible and affordable.
Researchers found that adding niobium oxide to silicate glass increases bond density and connectivity, enhancing mechanical and thermal stability. This discovery could lead to the development of innovative glass formulations for various applications, including optics, medicine, and data transmission.
Researchers at UBC Okanagan's Integrated Optics Laboratory develop imaging systems that apply terahertz radiation, enabling fast and accurate characterization of biological specimens. This technology holds promise for improving diagnostic imaging and detecting carcinogenesis.
A new technique combining ultrafast physics and spectroscopy reveals the dance of molecular 'coherence' in unprecedented clarity. This shows a vibrational effect, rather than motion for the functional part of the biological reaction that follows.
Researchers employed laser-induced breakdown spectroscopy, FTIR, and Raman spectroscopy to analyze gemstones from the Arabian-Nubian Shield. The study distinguished natural gems from synthetics and isolated elements contributing to their quality, shedding light on ancient trade routes.
The study investigated high harmonic spectroscopy as a method to observe topology in materials. Despite thorough analysis, the researchers found that non-topological aspects of the system dominated its response, suggesting that topology may play a minor role.
A novel Raman technique called thermostable-Raman-interaction-profiling (TRIP) allows for label-free and highly reproducible Raman spectroscopy measurements, breaking a 50-year-old challenge. The TRIP method enables the detection of protein-ligand interactions in real-time, potentially shortening drug and vaccine testing timelines.
Researchers developed a SERMS method using AgNP/MoS2 nano-pockets for sensitive and long-duration dynamic detection of chemical reactions. The structure enhanced electric field and captured molecules, extending SERS detection time up to 8 minutes.
Researchers developed a novel technique to measure the refractive index line shape in ultrafast XUV transient absorption spectroscopy. By controlling the phase of the XUV light field, they can manipulate matter response and explore new physical phenomena.
Rhomboid proteases play a key role in several diseases, including Parkinson's disease and cancer. A recent study using solid-state NMR spectroscopy and molecular dynamics simulations revealed that the opening of a gate is crucial for enzyme activity.
A new microscopy technique combines confocal Raman and Brillouin spectroscopy to analyze multiple dimensions of tissue, including morphology, chemical properties, and mechanical properties. The developed microscope has high spatial resolution and anti-scattering capability, providing clear images and accurate measurements.
A new study employs artificial neural networks to predict and optimize ozonation catalyst performance based on data from 52 different catalysts. The approach integrates fluorescence spectroscopy to determine optimal impregnation concentrations and times, resulting in improved catalytic performance and removal of total organic carbon.
A new technique, FBS-IDT, enables high-resolution imaging of intracellular tau aggregates in their native environments. It demonstrates potential correlations between tau fibrils and lipid accumulation, offering a cost-effective solution for neurodegeneration research.
Scientists have developed a novel photonics system that can measure low-energy dynamics of complex physical phenomena with high time resolution. This breakthrough approach combines terahertz spectroscopy and real-time monitoring to facilitate discoveries in materials science.
Researchers have created a novel method combining DNA scaffolds and acoustic force spectroscopy to characterize individual protein bonds. This innovation allows for the same bond to be re-tested up to 100 times, providing valuable information on how bond strength changes as molecules age.
Researchers utilized terahertz emission spectroscopy to explore properties and dynamics of quantum materials, such as superconductors and magnets, as well as graphene and metal nanostructures. The method revealed hidden material behaviors, enabling the discovery of exotic properties and phenomena in emerging materials.
Researchers developed Plasma-grating induced breakdown spectroscopy (GIBS) and Multidimensional plasma grating induced breakdown spectroscopy (MIBS) techniques to overcome LIBS limitations. These novel methods exhibit heightened sensitivity and accuracy in detection, particularly for solution detection.
Researchers developed a machine-learning algorithm to predict the density of states within an organic molecule using core-loss spectroscopy data. The model achieved improved accuracy by excluding tiny molecules and adding specific noise to the data.
Researchers at the University of Illinois developed a new method using NIR spectroscopy to detect three types of allergens in quinoa flour. The method is non-destructive, non-invasive, and highly accurate, providing real-time results that can be performed with minimal training.