Articles tagged with Analytical Chemistry
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.
A study investigates uranium exposure in children living near gold mining dumps and finds higher levels of uranium in their hair compared to children from reference sites. The study collected over 400 hair samples and analyzed them alongside information on the children's age, gender, and living conditions.
A study published in Science of The Total Environment found that e-cigarette exposure alters gut microbiota composition and affects neurobehavior in zebrafish. The researchers observed disruptions in the gut microbiome, with reduced microbial network stability and altered community composition, suggesting potential health risks.
A new study from Harvard found that North Atlantic pilot whales have 60% lower concentrations of per- and polyfluoroalkyl substances (PFAS) in their bodies since the phaseout of these chemicals. The researchers measured bulk organofluorine levels as a proxy for total PFAS concentrations, including newer types of PFAS.
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.
A team from Tokyo Metropolitan University has uncovered the sequence of events in the formation of hexaniobate clusters, revealing a precursor's vital role in rapid catalyst formation. This insight promises finer control over an industrially important technology for speeding up chemical synthesis.
Researchers at Hokkaido University developed an environmentally friendly method to synthesize organosodium reagents using ball-milling mechanochemistry. This approach replaces traditional methods using highly reactive and toxic materials, offering a sustainable alternative in organic synthesis.
Researchers found that linear isomers of PFOS accumulate more in fish-eating birds and tissue, whereas branched isomers dominate wastewater and benthic fish. This suggests that consumers eating bottom-dwelling species may be exposed to higher levels of PFAS.
Researchers at Chiba University developed a novel isotope-based method to detect and identify selenium-containing compounds, revealing new biological roles of selenium. The technique uses multiple isotopic signatures simultaneously, reducing errors and improving detection reliability.
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.
Scientists used four analytical techniques to assess the composition and likely age of lead in the Jordan codices, finding some pages contaminated by environmental interactions. The study suggests that while some parts may be modern, others show characteristics of older lead.
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.
ElderCraft, a standardized polyphenol extract from Austrian elderberries, is now available for free to qualified researchers worldwide. This initiative aims to reduce study-to-study variability and enable stronger meta-analyses in polyphenol science.
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.
The new AEC-MS protocol provides comprehensive analysis of highly polar and ionic metabolites, improving molecular specificity and selectivity. This innovation has led to new applications in metabolomics, including studies on gut microbiome metabolism and energy substrate utilization.
A team of international researchers has developed a novel photobiocatalytic approach to create copper-based catalysts that can efficiently form carbon-nitrogen bonds. This breakthrough could lead to the production of life-saving pharmaceuticals in a more sustainable and energy-efficient manner.
Scientists at King's College London have developed an 'interactional fingerprinting' method to characterise graphene oxide (GO) cheaper and quicker than ever before. This new approach allows for a qualitative snapshot of individual samples by mimicking humans' sense of taste and smell, enabling researchers to quickly quality control th...
The Wiley Registry has received a significant update with the addition of over 17,500 new spectra. The collection now boasts a total of 913,000 high-quality mass spectral data points. These updates enhance the database's comprehensive coverage and reliability, benefiting researchers in various fields.
Student researchers from UTA present their original research at various conferences, including the American Chemistry Society conference and Pittcon Conference. This provides opportunities for them to network with professionals and potential employers, as well as gain hands-on experience in their field.
Wiley adds new data to its KnowItAll Raman Spectral Library collection, bringing the total to over 27,000 spectra. This expansion enhances lab efficiency and accuracy through reliable spectral analysis.
Researchers developed a simplified CFD model to evaluate the impact of ported shrouds on centrifugal compressor performance. The findings reveal that the ported shroud extends the operational range by approximately 10% and improves pressure ratio near surge limits, enhancing overall system efficiency.
Rasika Dias, a renowned chemist at UTA, has been named a 2025 fellow of the Royal Society of Chemistry for his groundbreaking contributions to chemical sciences. He is the second chemistry faculty member to receive this honor.
Chemists have confirmed a 67-year-old theory about vitamin B1 by stabilizing a reactive molecule in water. The discovery opens doors to more efficient ways of making pharmaceuticals using cleaner solvents.
A new study by researchers at the Institute of Science Tokyo hints that calcium ions played a crucial role in shaping life's earliest molecular structures. The team discovered that calcium dramatically alters how tartaric acid molecules link together, favoring homochiral polymers and potentially influencing the emergence of life.
Researchers have developed a new sensor to detect hazardous gas leaks in lithium-ion batteries, which could prevent catastrophic failures and enhance the reliability of battery-powered technologies. The sensor detects trace amounts of ethylene carbonate vapour, targeting potential battery failures before they escalate into disasters.
A recent study found that polyester microdroplets can form in salt-rich environments, at low alpha-hydroxy acid concentrations, and in small reaction volumes. This expands on previous research and suggests that polyester protocells were likely more common on early Earth than previously thought.
Scientists from Chiba University successfully analyzed human chronic myelogenous leukemia cells using a new sample introduction system, achieving accurate elemental composition measurements without damaging the cells. The study expands the potential of ICP-MS technology for mammalian cultured cell analysis.
Researchers from Okayama University create nanodiamonds with nitrogen-vacancy centers, exhibiting strong fluorescence and stable spin states for biological applications. The developed nanodiamonds have improved spin quality compared to bulk diamonds, making them suitable for bioimaging and quantum sensing.
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.
Researchers found that recreational activities like tubing and swimming temporarily introduce chemicals and microscopic organisms into local waterways. The study suggests that these changes can have significant impacts on plants and animals along the way, even if they are short-lived.
Developed by University of Tsukuba researchers, the wearable patch accurately measures insensible perspiration, allowing for real-time hydration monitoring. The patch also detects variations in pH levels and chemical components, making it a promising tool for dehydration management, stress monitoring, and disease detection.
A new AI method developed by Swedish researchers can identify toxic substances based on their chemical structure, potentially replacing animal testing. The method has been shown to be more accurate and broadly applicable than existing computational tools, offering a promising alternative for environmental research and authorities.
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.
Researchers propose new statistical index to detect river ecosystem changes, potentially preventing tragedies like the Oder River crisis. The developed index is more versatile and responsive to variations in individual parameter values.
A new algorithm, SIMSEF, significantly speeds up and simplifies the identification of chemicals in tissues, enabling researchers to confidently recognize and visualize their distribution in organs. This development has great implications for medical diagnosis and treatment outcomes.
Researchers developed a waterproof device that captures and enriches dissolved compounds in seawater, revealing diverse elemental compositions and unknown molecular structures, with potential applications for drug discovery and ecosystem health monitoring.
Researchers at Xi'an Jiaotong-Liverpool University have developed a sensitive and robust pH sensor that can detect pH variation in just a few microliters of samples. The new sensor uses novel materials and methods to overcome the current method's limitations, which are not sensitive enough or fragile for commercial-scale use.
Researchers developed a 'lab-on-a-drone' system to detect and analyze pollutants like hydrogen sulfide gas. The device was used to track air quality at a wastewater treatment plant, providing real-time monitoring of smelly H2S gas concentrations.
Researchers developed an AI tool called DECIMER that can translate chemical structural formulae into machine-readable codes. This allows for the automatic search and processing of scientific articles containing chemical information.
Researchers have developed a novel DNA-filtering system using α-hemolysin nanopores to reduce contamination in single-molecule DNA extraction. The technique, which uses phospholipids and the PCR clamp method, achieved a 99.98% reduction in DNA contamination.
A comprehensive review of biochemical markers for bone fragility in diabetes identifies low bone turnover and alterations in bone quality as key factors. The study suggests that glycemic control, AGEs, and serum IGF-1 may have predictive value for fracture risk in patients with diabetes.
Scientists at PNNL are developing a new way to identify unknown chemical compounds using high-resolution instruments, gaining important information faster and more accurately. The technique applies to ions, making them easier to control and detect using mass spectrometry.
A team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
The iPODs system enables rapid-results testing with reduced error, cross-contamination, and sample loss by automating droplet transfer. The device shows strong linearity in bacterial detection, with an R-squared value of 0.999, making it accurate for point-of-care testing.
Researchers developed molecular nanocages for selective siRNA delivery, showing promise in targeting cancer cells. The nanocage composition determines siRNA delivery efficiency, making it possible to tailor the system for specific cell types.
Researchers develop innovative method to analyze ancient bones, making collagen quantifiable and mapping possible. This technique supports the selection of samples for radiocarbon analysis, preserving valuable material and reducing destruction.
A UC Riverside-led study finds nearly half of domestic well water users in the Central Valley live in disadvantaged communities with high manganese contamination rates. The highest concentrations are found in private, untreated well water systems, posing health risks to fetuses and children.
The oxygen-ion battery has an extremely long service life due to its ability to regenerate and store capacity that does not decrease over time. It also solves the problem of fire hazards associated with lithium-ion batteries.
Researchers have overcome the low reactivity of biobased secondary diols in polyester synthesis by incorporating an aryl alcohol. This leads to high molecular weight materials with improved mechanical- and thermal properties, outperforming existing plastics like PET.
A new law restricts 1,4-dioxane levels in household cleaners and cosmetics, a potential human carcinogen common in everyday products. Experts recommend robust analytical methods for detection and quantification to meet regulatory requirements.
Researchers at the University of Amsterdam's Van 't Hoff Institute for Molecular Synthesis have developed a biocatalytic method to synthesize primary, secondary, and tertiary amines containing two stereogenic centers. The method uses a one-pot enzyme cascade, achieving excellent stereoselectivity and high chemical purity.
MU researchers, including Jay J. Thelen and Dong Xu, are exploring genetic modification to increase seed oil production in camelina and pennycress for biofuel use in the aviation industry. The team aims to create a sustainable 'green energy' source as an alternative to petroleum-based fossil fuels.
Researchers used infrared scattering-type scanning near field microscopy to analyze two Stradivari violins, finding a protein-based layer between the wood and varnish. This discovery could help replicate historic instruments in modern times.
Researchers at Osaka University have developed a method to enhance DNA detection in nanopores, slowing down transit and increasing signal intensity. The use of glycerol instead of water enables the detection of single DNA molecules, paving the way for faster and more affordable genomic sequencing.
A new mid-infrared sensor chip can accurately monitor liquid concentrations in real-time, enabling precise monitoring of chemical reactions. The sensor combines customized infrared technology and chemical robustness to deliver data within fractions of a second.
A study published in Environmental Science & Technology Letters found a spike in acetaminophen concentrations in wastewater preceded a surge in COVID-19 cases. The detection of pharmaceuticals could complement existing efforts to monitor viral RNA, providing a more comprehensive understanding of disease outbreaks.
Researchers developed a method for detecting cancer miRNA patterns using DNA computing technology, enabling simple and early cancer diagnosis from liquid biopsies. The technology uses nanopore decoding to recognize cancer-specific expression patterns even at extremely low concentrations of miRNA.
Researchers analyzed food-grade nylon bags and single-use beverage cups, finding that they release trillions of nanoparticles per liter when exposed to hot water. The average size of these nanoparticles was between 30-80 nanometers, with concentrations seven times higher from nylon bags than from beverage cups.
A new study led by Phil Crews at UC Santa Cruz identifies a method to measure smoke-derived compounds directly, providing practical guidelines for winemakers. The analysis of over 200 samples found that two biomarkers were not useful and recommended replacing them with different ones.
Researchers at the University of Copenhagen found hundreds of chemical substances in tap water stored in reusable plastic bottles, including some potentially harmful to human health. The study revealed that machine washing and dishwasher use can increase the leaching of toxic substances from the plastic.
A team of scientists has discovered a range of metal carboxylates, known as 'metal soaps', that form in oil paintings and cause damage over time. These compounds are often composed of zinc and lead pigments, but other metals like aluminum and calcium can also be present.