Articles tagged with Peroxides
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.
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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.
Scientists at UC San Diego discovered the gene responsible for this effect, which prevents cellular damage from reactive oxygen species. The study found that Mga2 is essential for adaptation to oxidative stress and may explain why caloric restriction can raise ROS levels and provide protection.
Researchers have created a new 'green' hair treatment that uses an enzyme to naturally lighten hair without damaging it. The enzyme degrades melanin and combats free radicals produced by traditional hydrogen peroxide-based bleaches, making it a potential solution for reducing hair damage and environmental impact.
A team of European scientists discovered that going gray is caused by a massive build-up of hydrogen peroxide, which blocks the normal synthesis of melanin, our hair's natural pigment. This research provides an important first step in understanding the root cause of gray hair.
Researchers at Lehigh University have developed a catalyst that can directly produce hydrogen peroxide from hydrogen and oxygen, reducing the need for large quantities and high concentrations. The gold-palladium nanoparticles catalyst enables the on-site production of H2O2 in smaller quantities and more desirable concentrations.
Researchers at UC San Diego have developed a sensor capable of detecting trace amounts of hydrogen peroxide in homemade explosives. The penny-sized electronic sensor is comparable to current instruments but cheaper and more portable.
Hydrogen peroxide plays a crucial role in cell health, but excessive levels can damage DNA and proteins. Researchers have identified a key protein, Prx, that helps control hydrogen peroxide levels by acting as a sensor, warning the cell to respond when levels become too high.
Researchers have created 'pro-chelators' that can selectively bind to potentially destructive forms of iron in the brain, reducing oxidative stress and cell damage associated with these diseases. The iron-binding agents are designed to target only harmful iron species, allowing benign forms to carry out vital functions.
A team of mechanical engineers at Vanderbilt University has developed a revolutionary prosthetic arm that can lift up to 25 pounds and perform three times faster than current commercial arms. The arm is powered by a miniature rocket motor, allowing for greater power and function without the need for batteries.
Researchers at Georgia Tech and Emory University developed a nanoparticle that can detect and image trace amounts of hydrogen peroxide in animals. This innovation could lead to the creation of a simple diagnostic tool for detecting early stages of various diseases.
Researchers at UT Southwestern Medical Center found that hydrogen peroxide decreases the tensile strength of absorbable sutures. In contrast, cleaning with distilled water did not harm their strength. The study suggests that patients using hydrogen peroxide on such sutures may be at risk for weakened healing and hypertrophic scars.
Researchers have made significant progress in breaking down estrogenic compounds with Fe-TAML catalysts, a potential solution to environmental pollution. The study demonstrates the ability of these catalysts to degrade estradiol and ethinylestradiol, two types of estrogenic compounds found in surface water.
A new study at Pacific Northwest National Laboratory reveals a four-step process to produce oxygen in frigid environments, challenging previous models. Oxygen isotopes measured during experiments showed that intermediate species of hydrogen-oxygen permeate the ice film.
Researchers developed a simple method to neutralize phenols in manure using horseradish root and hydrogen peroxide, reducing odors by 50%. The mixture effectively deodorized over 50 gallons of hog manure in pilot-scale tests.
Scientists have extended the lifespan of mice by protecting against free radicals, providing evidence for the free-radical theory of aging. The study found that delivering catalase to mitochondria increased average and maximum lifespan by up to 20%.
A randomized trial involving over 650 participants found that OTC acne treatments were as effective as oral antibiotic tablets. Benzoyl peroxide was identified as the cheapest and most cost-effective treatment, with a significant difference in cost-effectiveness between regimens.
Researchers developed molecular sheaths around carbon nanotubes to respond to glucose, detecting it with near-infrared fluorescence. The technique allows for real-time monitoring of blood glucose levels with long-term monitoring applications.
Researchers found a gene that produces peroxide to 'stitch' together proteins surrounding the egg, hardening it into a protective barrier. This process helps prevent polyspermy and protects fertilized eggs from damage.
Researchers at Brown University have identified an enzyme called Udx1 that generates hydrogen peroxide to block sperm entry and protect the fragile embryo. The discovery sheds light on a century-old mystery of how eggs defend themselves against sperm, with potential implications for understanding fertilization and early development.
Researchers at INEEL isolated a stable catalase enzyme from T. brockianus, improving industrial half-life by 86,000-fold, reducing environmental costs and toxicity associated with chlorine-based bleaching processes.
Researchers at NASA find evidence of ozone-destroying chlorine peroxide in the stratosphere over Polar Regions. The molecule triggers destruction when absorbing sunlight, breaking down ozone and forming again through a continuous cycle.
Researchers at Carnegie Mellon develop Fe-TAML activators that rapidly convert recalcitrant sulfur compounds into easily extracted substances, resulting in nearly sulfur-free fuel. The technology has the potential to aid in the development of cleaner burning and more fuel-efficient automobile engines.
Fe-TAML activators, developed at Carnegie Mellon, show promise in removing color and chlorinated byproducts from paper and wood pulp manufacturing using hydrogen peroxide. The process reduces color production by nearly 30% and has the potential to replace chlorine-based bleaching processes.
Researchers have discovered that Fe-TAML activators can break down toxic organophosphorus compounds found in pesticides, which can harm human health and contaminate water supplies. The technology has the potential to provide a safe alternative to existing methods of pesticide degradation.
A newly discovered enzyme from Thermus brockianus may transform industrial bleaching from environmentally problematic to environmentally green. The catalase enzyme works well in hot, alkaline wastewater, breaking down hydrogen peroxide into water and oxygen.
Researchers have made a significant discovery about the role of hydrogen peroxide in cellular signaling, which could lead to new avenues for cancer research. The study found that hydrogen peroxide plays a key role in signaling cells to divide or die, with potential applications for anti-cancer therapies.
Researchers found that a bacterial enzyme, peroxiredoxin, controls the balance of hydrogen peroxide in cells. The enzyme regulates hydrogen peroxide levels to prevent damage while allowing it to signal important cellular processes.
The main cause of tooth discoloration lies at the surface of enamel, where red wine, coffee and tea stain teeth. Hydrogen peroxide-based whitening agents target deeper discoloration by forming radical intermediates that break down into water and oxygen.
Scientists at The Scripps Research Institute report that antibodies can kill bacteria through the production of hydrogen peroxide, which also leads to the formation of ozone. This discovery opens up possibilities for new antibody-mediated therapies for conditions ranging from bacterial and viral infections to cancer.
Researchers found that some contact lens solutions may not effectively kill Acanthamoeba cysts, which can lead to serious eye infections. The two-step hydrogen peroxide solution was the most effective against both trophozoites and cysts.
Researchers found vitamin C prevents inhibition of gap-junction intercellular communication induced by hydrogen peroxide. However, quercetin in apples has even stronger anticancer activity than vitamin C.
Researchers at Purdue University are developing a new type of environmentally friendly fuel cell that generates about 20 times more electricity per pound than car batteries. The cell produces electricity through chemical reactions between hydrogen peroxide and aluminum.