Articles tagged with Nmr Spectroscopy
A University of Houston optometry researcher warns of the dangers of red-light laser myopia therapy for children, citing vision damage reports and the need for rigorous safety validation. The professor's quality improvement study found that two popular devices exceeded national standards for safety classifications.
The Nanalysis Edition of KnowItAll combines Wiley's analytical software platform with Nanalysis' specialized NMR database, streamlining spectral interpretation workflows for users. The tailored solution provides immediate access to reference spectra optimized for benchtop NMR instruments, expanding compound identification coverage.
Wiley has expanded its spectral libraries with major updates to IR, Raman, and LC-MS collections, delivering researchers enhanced capabilities for faster and more confident compound identification. The expansion brings over 9.5 million high-quality spectra, including 1 million IR spectra and 161,000 Raman spectra.
Researchers at ISTA quantify the environmental impact of international conference travel, finding that train travel can significantly reduce carbon emissions. The study shows that traveling to an overseas conference generates a substantial carbon footprint of four to five tons per participant.
KnowItAll users can now incorporate low-field NMR data analysis into their workflows, while Nanalysis users can integrate KnowItAll's complete suite of NMR analysis tools. The software's NMR database collection contains over 1.28 million spectra for database searching.
KnowItAll 2026 introduces Trendfinder, a tool that brings Principal Component Analysis (PCA) into the KnowItAll environment, enabling simplified chemometric analysis. The new application also enhances LC-MS and NMR capabilities, providing users with advanced analytical capabilities.
Researchers at Purdue University develop atomic-scale spectroscopy using ultrathin 2D materials, enabling improved resolution for NMR spectroscopy. The breakthrough has potential applications in quantum computing and quantum communications.
Researchers designed model cracking catalysts with controlled interfacial channel connectivity, enabling exploration of structure-diffusion-reaction relationships. Advanced characterization techniques revealed a pronounced 'funnel effect' from mesopores, accelerating interfacial diffusion and enhancing catalytic efficiency.
Researchers developed a solid-state NMR method to characterize separation and recycling processes of real-life plastic waste mixtures. The technique identified individual components in complex polymer systems, enabling precise tracking of chemical evolution and mapping of conversion processes.
Researchers developed a technology that precisely analyzes 21 types of reactants simultaneously using high-resolution fluorine nuclear magnetic resonance spectroscopy. This breakthrough contributes to new drug development and catalyst optimization in AI-driven autonomous synthesis.
Using a novel GPS NMR method, researchers tracked the motion of a key GPCR and found that it doesn't simply switch between two states. Instead, it exists in a dynamic conformational equilibrium between inactive, preactive, and active states.
Researchers have developed a new quantum sensing technology that can detect individual nuclei, revealing tiny differences in molecular structure and dynamics. This unprecedented sensitivity enables scientists to study the building blocks of nature at an entirely new scale, leading to breakthroughs in fields like drug development.
Researchers developed a novel cyclic molecule that selectively traps phosphate species through multi-point hydrogen bonding in harmony with water molecules. The findings provide guidelines to design new cyclic molecules for aqueous environments, significant for materials development.
Researchers determine stereostructure of iriomoteolide-1a and -1b using NMR spectroscopic analysis, theoretical calculation, and total synthesis. The study reveals nanomolar cytotoxic activity of synthetic iriomotelide-1a in human cancer cells.
Researchers developed a novel approach to optimizing siRNA-loaded lipid nanoparticles using NMR-based molecular-level characterization. Pre-mixed LNPs exhibit superior gene-silencing effects due to a stacked bilayer structure that enhances gene silencing.
Researchers at KIT develop new NMR spectroscopy method to directly measure chiral molecular structure. This enables accelerated drug screening and simplifies the search for active ingredients in pharmaceuticals. The breakthrough could lead to significant improvements in drug development.
Researchers from Niigata University have developed novel glass-forming liquid electrolytes with high ion conduction and efficiency. These materials offer unique advantages in terms of efficiency and application-specific adaptability, paving the way for next-generation energy storage devices.
For the first time, researchers have measured quadrupolar nuclei using zero-field nuclear magnetic resonance (NMR) spectroscopy. This breakthrough enables precise analysis of molecular structures and spin interactions, with potential applications in medicine and materials science.
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.
Researchers have successfully adapted a modified drug molecule to selectively bind to a protein in bacteria, rather than human cells, making it more effective against bacterial infections. This breakthrough could provide a new avenue for treating antibiotic-resistant bacterial infections.
Researchers used high-resolution techniques to analyze organic material from the early Earth, shedding light on the formation and composition of ancient biomass. The study found evidence of biological origin in microscopically small particles, suggesting a turbulent history of sediment deposits.
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 have found that halophilic fungi can restructure their cell walls to withstand extremely salty conditions, minimizing water loss and maintaining structure. This discovery could lead to the development of new technologies harnessing these microbes for industrial processes.
Scientists have discovered two 'switch' regions in the structure of the K-Ras protein that are affected by dangerous mutations. These regions, located near a protein loop, can amplify cell division and lead to cancer. Researchers say their findings provide new insights into the mechanisms of these mutations and potential drug targets.
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.
Complex proteins adopt multiple structural states in solution, making it challenging to determine their three-dimensional structure. A new approach combining NMR spectroscopy and computer simulations reveals the dynamic properties of these proteins.
The study reveals a double-layered structure of amyloid-β on GM1-containing membranes that acts as a catalyst for fibrillization. This discovery offers new insights into predicting Alzheimer's disease onset and potentially inhibiting its progression.
A team of researchers used synchrotron XRD to investigate the topochemical solid-gas reduction mechanisms in a layered perovskite. The study found that surface treatment can manipulate reaction processes, and the technique can identify rate-determining steps for optimizing material design.
Researchers at KAUST have developed a sustainable method for producing butadiene, a key component of synthetic rubber, using the Lebedev process and modernized catalysts. The new approach eliminates the need for fossil reserves and reduces environmental impact.
Researchers at Leipzig University have increased the efficiency of an enzyme that breaks down PET plastic, which has implications for bioplastics and a more sustainable future. The team used computer simulations and experiments to improve the enzyme's activity and stability.
Scientists at the University of Missouri have developed a novel method to detect food adulteration using nuclear magnetic resonance (NMR) spectroscopy. The technique can identify vegetable oil adulterants in hard cheese products with high accuracy, leading to improved consumer safety and product authenticity.
A team of researchers has identified a molecular switch that regulates autophagy in plants, bridging two quality control pathways. The study reveals that this regulatory mechanism is conserved in eukaryotes and essential for preventing cells from 'eating' healthy cellular components.
The study reveals that N,N-dimethylformamide (DMF) separates carbazole and anthracene due to strong intermolecular hydrogen bonds. Researchers used advanced liquid-state NMR techniques to analyze the interaction mechanism, finding a C=O···H-N bond between DMF and carbazole.
Researchers at Johannes Gutenberg University Mainz have developed a new method for detecting alcohols using zero- to ultralow-field nuclear magnetic resonance (NMR) combined with the SABRE-Relay hyperpolarization technique. This innovative approach enables measurements without strong magnetic fields, reducing device size and potential ...
Purdue researchers have created a 2D array of electron and nuclear spin qubits, enabling atomic-scale nuclear magnetic resonance spectroscopy and reading/writing quantum information with nuclear spins in 2D materials. This method harnesses three nitrogen nuclei at a time for longer coherence times than electron qubits.
Researchers uncovered the sophisticated mechanism of bacterial Tc toxin's action by utilizing cryo-EM and protein NMR 3D snapshots. The subunits assemble like a syringe, triggering the release of toxic enzymes that disturb cytoskeleton regulation, leading to paralysis.
Researchers have developed a novel method for molecular encoding using paramagnetic properties, enabling digital information storage and transmission. The system uses lanthanide elements to create unique signals that can be read remotely, with potential applications in chemistry, pharmacy, telemedicine, and more.
Researchers used ultrahigh-field NMR spectroscopy to study the structure of Al(V) on γ-Al2O3. They found flexible structural features and hydroxyl groups that can be removed under high-temperature dehydration, leading to surface reconstruction. Most Al(V) species aggregate into domains rather than forming tetragonal pyramids.
A team of researchers has made a large collection of coffee samples' NMR data freely available to assess the variety under which coffee is sold. The dataset can be interactively explored using software called NMRium-browser, allowing users to visualize the molecular structure of coffee beans from different origins.
Researchers at the University of Eastern Finland used molecular modeling to investigate nano-plastic transport into cell membranes. The study found that some microplastics can passively penetrate the membrane, potentially causing adverse health effects.
Researchers developed a new NMR spectroscopic method to map IDP function more easily, fast, and accurately. The method sheds light on mechanisms of diseases like Parkinson's, Alzheimer's, and type 2 diabetes.
The Danish NMR Center is part of the PANACEA consortium, enabling European researchers to access state-of-the-art solid-state NMR equipment. The project will provide trans-national access to over 30 unique NMR spectrometers and develop new web-based software tools for simplified analysis.
Researchers used evolutionary 'time travel' to study an ancient enzyme from archaea, finding a universal NTP binding motif that could be used for novel enzyme design. The study also revealed how the human version of the enzyme evolved over time.
Researchers have successfully characterized a new form of toxic Aβ42 fibrils in Alzheimer's disease using sensitivity-enhanced solid-state NMR spectroscopy. The study paves the way for novel therapeutic strategies targeting these aggregates that drive AD progression.
Researchers found that tin fluoride additive traps oxidized tin in solution, reducing instability. Fluoride also improves colloid stability, leading to more homogeneous crystal growth.
Researchers developed a new way to assess exactly what's in that cup of joe. They found 12 compounds with measurable concentrations, and two had significantly different amounts between the coffee varieties. The team's predictions were within 15% of the actual ratio.
A team of scientists from KAUST has rediscovered the value of an old technique in studying proteins through NMR spectroscopy. By re-examining the molecular motions of proteins, they found that dynamic NOE provides more accurate information about protein flexibility and is less prone to errors, especially in flexible regions.
Researchers aim to develop compact and portable NMR devices that can detect metabolic disorders and analyze fuels, biofluids, and food extracts. Dr. Danila Barskiy's new group will focus on zero-to-ultra-low field magnetic resonance technology.
Researchers at Johannes Gutenberg University Mainz developed a new zero-to-ultralow-field NMR spectroscopy method to analyze chemical reactions in metal containers. This technique overcomes the limitations of high-field NMR, allowing for the observation of complex reactions and catalysis mechanisms.
Researchers developed a new quantum sensing technique that allows high-resolution NMR spectroscopy on small molecules in dilute solution, achieving femtomole molecular sensitivity. This breakthrough enables chemical analysis and magnetic resonance imaging at the level of individual biological cells.
Scientists apply strong magnetic fields to weakly-magnetic molecules, inducing new optical and photophysical properties. This discovery could allow scientists to change electronic properties of some classes of molecules using magnetic fields as a handle. The research uses the world's strongest magnet for NMR spectroscopy.
Scientists have successfully prepared high-quality ZnO quantum dots using a novel one-pot self-supporting organometallic procedure, offering promising prospects for biological applications. The new method yields stable and uniformly sized particles with unique physicochemical properties.
A KAIST research team has developed a gallium-based metal complex enabling the rapid chiral analysis of alcohols using nuclear magnetic resonance spectroscopy. This new method can determine enantiomeric excess within minutes, benefiting researchers in organic chemistry and the pharmaceutical industry.
Researchers at Ohio State University created a method to keep the collective behavior of oxygen isotopes moving long enough for scientists to study it well. This enables the understanding of the structure around oxygen and allows the creation of better materials, such as stronger glass and ceramics.
Researchers at ETH Zurich have developed a new method to directly track the precession of single nuclear spins, allowing for precise molecular analysis. This breakthrough enables scientists to study molecules at the atomic level, with potential applications in fields like materials science and chemistry.
Researchers developed a stability-indicating HPLC method to quantify pralatrexate and its degradation products. Four major degradation products were synthesized and characterized, enabling the prediction of degradation pathways.
Researchers developed a machine-learning program that can predict atomic responses to magnetic fields in record time, combining with NMR spectroscopy to identify complex compound structures. This breakthrough accelerates drug discovery and makes larger molecules accessible.
Researchers found a crucial structural element in spider silk proteins that forms strong beta-sheets, enabling quick weaving. The study used advanced spectroscopy methods to analyze the soluble protein before it formed into solid sheets.
Washington University engineer Jr-Shin Li has developed a mathematical formula to design broadband pulse sequences, leading to enhanced signal sensitivity in various quantum experiments. The formula, published in Nature Communications, is the first to use analytical methods, resolving challenges associated with numerical optimization.