Articles tagged with Trace Metals
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 found high lead concentrations in humans, wild animals, and fish in a remote Peruvian Amazon community. The main sources of contamination were river water used for drinking and cooking, as well as lead ammunition used in subsistence hunting.
A study by the University of California, Davis found that disposable e-cigarettes release higher amounts of toxic metals than older e-cigarettes and traditional cigarettes. The devices contain hazardous levels of neurotoxic lead, carcinogenic nickel, and antimony, posing significant health risks to users.
Research by University of Washington oceanographers found that whale excrement contains significant amounts of iron, a vital element for phytoplankton growth. The study suggests that the decimation of baleen whale populations may have had larger biogeochemical implications for the Southern Ocean ecosystem.
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.
Scientists have discovered a crucial protein called DMT1 that enables single-celled malaria parasites to use iron, essential for survival and reproduction. Blocking this protein may lead to effective antimalarial drugs.
Researchers at Lawrence Berkeley National Laboratory identified 28 trace metals in secondhand and thirdhand tobacco smoke, including cadmium, arsenic, and chromium. The study found that the predicted indoor air concentration for these metals exceeded California's cancer risk guidelines, highlighting the need to understand their contrib...
The study suggests that memory plays a pivotal role in shaping consciousness, contrasting the idea that computer-based Information Theory provides a sufficient framework for understanding neural memory. The researchers propose a novel perspective that memory underpins consciousness, introducing the concept of a "brain cloud" to illustr...
Researchers analyzed global ambient particulate matter to understand the health risks associated with exposure to airborne trace elements. The study highlights elevated levels of arsenic and other toxic metals in South and Southeast Asia, particularly in Bangladesh, India, and Vietnam.
A common mineral in red soils, goethite locks away trace metals over time, rendering them unavailable for plants and animals. The study found that up to 70% of nickel was non-recoverable and only 8% of cadmium was irreversibly bound.
New research reveals that the Amazon estuary receives significant dissolved neodymium and hafnium from the Rio Pará River, contrary to previous assumptions about suspended solid sources. The findings indicate a revised estimate of global riverine neodymium flux, with concentrations up to three times higher than previously thought.
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...
Researchers at Brookhaven National Laboratory have identified a zinc chaperone protein called ZNG1, which delivers zinc to the enzyme MAP1. This discovery reveals a key mechanism used by all living things to transport zinc, essential for survival and enzyme function.
Researchers monitored mercury levels in artificial lakes to identify sources and factors affecting concentration. Most mercury originated from soil in catchment areas, with surface runoff contributing in shorter-residence time reservoirs.
A new, efficient method to detect toxic heavy metals like arsenic, cadmium, and chromium in vegetables and drinking water has been developed by researchers at the University of Johannesburg. The technique combines established methods with automation and can test for multiple metals simultaneously.
Leatherback turtle eggs laid in Bocas del Toro nesting beaches contain high concentrations of trace metals, posing a health risk to local communities. The ingestion of these eggs could lead to increased lifetime carcinogenic risk for adults and children.
A 94-million-year-old climate event led to a decline in essential trace metals, affecting ocean life and potentially causing larger dead zones. This ancient shift may hold insights into future climate change scenarios.
Scientists have discovered a remarkable relationship between copper and pigment in exceptionally preserved feathers and soft tissues from 120 million-year-old Confuciusornis sanctus and 110 million-year-old Gansus yumenensis fossils. The study, published in Science, reveals original colour patterns using X-ray analysis.
Researchers use synchrotron radiation to identify copper-bearing molecules in ancient bird fossils, revealing pigmentation patterns that can be compared to living organisms. The technique allows for the concentration and distribution of pigments to be mapped, providing insights into camouflage and natural selection.
This October GEOSPHERE issue investigates the uplift of Southern Rocky Mountains, Himalayan kinematics, and fault geometry in the New Madrid seismic zone. The study also explores magmatic mosaics and volcanic processes in Mexico City's surroundings.
Researchers will study chemical reactions and transformation of mercury in flue gases of coal-fired power plants. They aim to develop a mathematical model to predict mercury emissions and create more effective technologies for controlling mercury emissions.
Researchers have discovered a crucial link between zinc and retinitis pigmentosa, a degenerative eye disease that leads to blindness. The study suggests that trace metals like zinc play a critical role in protein function, with implications for treating other neurodegenerative diseases.