Articles tagged with Fluorescence Spectroscopy
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers from Helmholtz-Zentrum Dresden-Rossendorf discovered how diatoms chemically interact with uranium, finding it bound both on the surface and within the algae. The team's findings provide initial insights into the chemical bonds formed and help understand the impact of uranium release on natural cycles.
A recent study published in The Wilson Journal of Ornithology reveals that Long-eared Owls have fluorescent pigments in their feathers that can only be seen under ultraviolet light. The amount of pigment varies within a population and is correlated with age, sex, and size, suggesting alternative functions beyond sexual signaling.
Researchers developed a compact, solid-state laser system that generates 193-nm coherent light, marking the first 193-nm vortex beam produced from a solid-state laser. This innovation enhances semiconductor lithography efficiency and opens new avenues for advanced manufacturing techniques.
A new universal photocage modification strategy based on thioketal enables real-time live cell subcellular imaging. The thioketal-based probe SiR-EDT exhibits improved dark stability and can be specifically activated by UV-visible light.
A new model combines EEM fluorescence spectroscopy with LSTM to predict four freshness indicators, providing a promising tool for food safety in the fish industry. The study demonstrates excellent performance and accuracy in predicting freshness parameters, offering a powerful solution for real-time monitoring of aquatic products.
Researchers from Germany and the USA have developed a standardized data description to provide fluorescence-based integrative structural models and their dynamics for large biomolecules. This makes it possible to access experiment-based training data for next-generation AI tools.
A new fluorescence detection system can detect fluorescent proteins from bacteria in water down to levels of less than one part per billion, meeting the World Health Organization’s criteria for detecting fecal contamination. The lensless fluorometer reduces device cost, size and weight while providing better performance.
Researchers have discovered a quantum effect in biological systems that may help the brain protect itself from degenerative diseases. The effect, called superradiance, occurs when many tryptophan molecules are arranged in a symmetrical network and can absorb and re-emit damaging ultraviolet light particles.
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 have created a water-soluble fluorescent spray that can visualize latent fingerprints in just ten seconds. The new dye-based technology is non-toxic, biologically compatible, and reduces the risk of damaging DNA evidence.
The study demonstrates that deep learning allows for precise observation of single molecules in artificial systems, cells, and small organisms. Deep learning-based methods reduce data requirements by an order of magnitude, enabling faster evaluation times.
Researchers use water as a nonlinear medium to create a supercontinuum white laser covering an impressive spectral range from UV to far infrared. The resulting ultrabroadband source has potential in ultrafast spectroscopy, hyperspectral imaging, and scientific research.
Researchers developed a machine learning-based method to estimate chemical attributes of spice extracts by measuring fluorescence emitted by polyphenols and flavonoids. The approach integrated data from multiple dilution levels, achieving highly accurate results.
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 have created two new protocols using novel actinometers to quantify photons, providing versatile and precise light intensity measurements. The protocols are faster, more sensitive, and compatible with imaging systems, enabling accurate measurement of light intensity in biological samples.
The new resonators exhibit a record low UV light loss, enabling the development of miniaturized devices for applications such as spectroscopic sensing, underwater communication, and quantum information processing. The researchers achieved this by combining optimized design and fabrication techniques with amorphous alumina materials.
Astronomers discovered a link between dust surrounding supermassive black holes and radio emission in extremely bright galaxies. The study found that quasars with more dust were more likely to have stronger radio emission.
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.
Researchers developed temporal compressive super-resolution microscopy (TCSRM) to overcome optical diffraction's spatial resolution restriction. TCSRM achieves high-speed imaging at 1200 frames per second with a spatial resolution of 100 nanometers, enabling observation of fast dynamics in fine structures.
Scientists have created a non-destructive method to detect and differentiate gibberellins, a class of plant hormones crucial for growth. The new nanosensors can identify changes in GA levels across various plant species, enabling early interventions against salinity stress.
Scientists have developed a technique to detect RNA structures in live cells, shedding light on the role of G-quadruplexes in neurodegenerative diseases. The method uses fluorescent spectroscopy and resolves existing limitations in studying these structures in real-time.
Researchers identified an alternative binding site on amyloid-beta aggregates using time-resolved spectroscopy and computational chemistry. This discovery could lead to the development of new therapies for Alzheimer's disease and other conditions associated with amyloid deposits.
Researchers have developed a new spectroscopy technique called filament- and plasma-grating-induced breakdown spectroscopy (F-GIBS), which improves the sensitivity of trace metal detection in liquid samples. The technique uses fluid jets to analyze aqueous solutions and achieves high precision by avoiding detrimental influences of liqu...
A team of scientists from the Helmholtz-Zentrum Dresden-Rossendorf investigated how four different fungal species interact with europium, a rare earth element. They found that fungi like the Split-Gill can bind up to four times more europium compared to other species, and that the binding site and transport mechanisms differ among them.
The new system, S4, offers a high-resolution view of stressed specimens comparable to or better than established technologies like DIC. It also overcomes optical challenges posed by cement in concrete, providing a reliable strain measurement technology.
Researchers at UBCO's School of Engineering have developed a new, faster method for analyzing toxic waste materials using fluorescence spectroscopy and convolutional neural networks. This method can detect key toxins such as naphthenic acids in oil sands samples, providing a low-cost alternative to current methods.
The new technology can reliably distinguish between cancerous and healthy liver tissue, aiding diagnosis and potentially reducing errors in biopsies. The researchers plan to continue measuring fluorescence lifetime parameters in patients with different types of tumors to generate real-time diagnostic classifiers.
A team of researchers at Shinshu University has successfully observed proton transfer between the titania surface and a dye molecule during UV light irradiation. The study used time-resolved fluorescence spectroscopy to measure the formation of basic hydroxyl groups on the titania surface, which accepts protons from the dye.
Researchers at Tokyo University of Agriculture and Technology developed a simple and rapid method to detect amyloid protein in bovine livers using fluorescence fingerprint analysis. This approach allows for quick processing and accurate detection of AA amyloidosis, potentially leading to more efficient diagnostic tools for this disease.
A team of researchers at Tokyo University of Science has developed a stable and highly active photocatalyst from gold nanoclusters. By removing the protective molecules around the nanoclusters, they were able to increase their catalytic activity and stability, opening up new possibilities for hydrogen generation and other applications.
Researchers reveal noncyclic 3D structure of water clusters begin to exist with pentamers at low finite temperatures. A new method using infrared spectroscopy and quantum chemical studies confirms the formation of a noncyclic 3D structure beginning with pentamers.
Researchers at Arizona State University have developed new methods using data science to analyze the motion of single molecules. By leveraging Bayesian nonparametrics, they can efficiently detect and refine signals, reducing acquisition times and increasing the scope of biological research.
Using a super resolution microscopic technique, researchers have developed a method to follow chemical reactions in very small volumes, including inside living cells and individual organelles. This breakthrough enables the study of the chemistry of life with unprecedented precision.
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.
Scientists have gained insights into the dynamic behavior of two switch proteins using subatomic resolution. The study reveals that an amino acid in one protein prevents a water molecule from dissociating the phosphate group from GTP, leading to slower switch-off.
Researchers at Rice University have developed a new method for analyzing carbon nanotubes in solution using variance spectroscopy. This technique allows for the rapid analysis of small regions in dilute nanotube solutions, providing insights into the types, numbers, and properties of nanoparticles in the solution. By zooming in on thes...
A new approach for studying protein behavior in living cells allows scientists to follow protein networks in real-time, revealing the state and activity of molecular machinery. This technique will be useful for investigating disease mechanisms and exploring new drug targets.
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 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.
The Biophysical Society has announced the winners of its 2011 International Travel Awards, recognizing researchers from around the world for their outstanding scientific contributions. The award aims to promote interaction between American biophysicists and scientists in countries experiencing financial difficulties.
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...
A collaborative project between NOAA, the Town of Riverhead, and a commercial oyster farmer is measuring the effect of a FLUPSY on water quality and sediment characteristics in Riverhead's East Creek. The study aims to determine the impact of floating shellfish nurseries on the local environment.
Researchers aim to develop a laser fluorometer that detects multiple target pigments, distinguishing between different types of algae in turbid coastal waters. The tool will characterize microalgal populations rapidly and easily, helping to identify potentially harmful species during red tides.
Researchers developed a new technique using time-resolved laser-induced fluorescence spectroscopy to identify plaque characteristics that contribute to weakening of the plaque. The technique was found to be 97 percent effective in identifying high-risk lesions, which are more likely to rupture and block blood supply.
A new device has been developed to detect inflammatory cells in blood vessels, which are associated with critical atherosclerotic plaques. The device uses fluorescence spectroscopy to identify macrophage infiltration in the fibrous cap, a key marker of plaque inflammation.
Researchers have created a method to monitor RNA synthesis and promoter activity in real-time within a single living cell. This breakthrough could help understand the role of RNA molecules in controlling gene expression and may lead to new discoveries in drug development and biology.
A new fluorescence technique has been developed for ultra-sensitive enzyme characterization at the single-molecule level. The technique, known as dual-color fluorescence cross-correlation spectroscopy, allows for precise and highly specific detection of molecules in large unspecific fluorescent backgrounds.