Articles tagged with Green 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 new study reveals that wood releases low levels of formaldehyde at room temperature due to a lignin-mediated Fenton reaction. Researchers have developed an effective, low-cost method to mitigate this release by mixing antioxidants and chelators with wood or spraying them on surfaces.
New research published in Environmental Toxicology and Chemistry found that green household consumer products (HCPs) can be either less toxic or more toxic than their conventional counterparts. The study involved testing various HCPs on grass shrimp and Daphnia Magna, a type of freshwater crustacean.
A team of researchers from Tokyo University of Science has developed a novel multi-proton carrier complex that shows efficient proton conductivity even at high temperatures. The resulting starburst-type metal complex acts as a proton transmitter, making it 6 times more potent than individual imidazole molecules.
Researchers develop crosslinked polymers that can be triggered to degrade by light, offering a promising approach for producing sustainable plastics. The method uses a vanillin derivative and recovers up to 60% of the monomers without loss of quality.
Recent papers in ACS Environmental Au explore the impact of aerosol acidity in the southeastern U.S. and the effects of environmental films on native ecosystems. The journal also investigates electrospun nanofibrous membranes for controlling airborne viruses.
Researchers present a 'green' process for tie-dyeing cotton with renewable resources and wastes, linking science, art, and sustainability. The natural dyes used produce designs of white, brown, orange, and bluish-black colors on fabrics.
Scientists have developed a novel 'green' fertilizer that uses an advanced milling technique to produce slow-release soil nutrient crystals. The method reduces nitrogen pollution and energy consumption compared to traditional fertilizers.
Researchers at Martin Luther University Halle-Wittenberg have developed a new process for producing liquid crystals that is more efficient and environmentally friendly. The approach uses multi-component reactions to simplify the production process, eliminating the need for harsh solvents and reducing energy consumption.
Researchers in Brazil and Portugal create biodegradable plastic film using eutectic solvents and natural pigments extracted from yeast. The process is environmentally sustainable and has potential applications in smart packaging with antioxidant and anti-microbial properties.
Researchers have successfully degraded synthetic polyisoprene using enzyme LCPK30, a breakthrough that could enable recycling of car tires and production of new plastics. The method involves creating an emulsion with the polymer, allowing the enzyme to break down long molecular chains into smaller fragments.
The Estée Lauder Companies has released its Green Score methodology to assess and measure the sustainability of ingredients and formulas based on green chemistry principles. The approach uses a quantitative tool to evaluate human health, ecosystem health, and environmental impact across its product portfolio.
Researchers developed a green synthesis method for ammonia production using green tea as a reducing agent. The study found that the optimized sample showed 2.93-fold enhanced photocatalytic activity and increased NH3 selectivity, outperforming bulk g-C3N4 under simulated sunlight irradiation.
Engineered bacteria produce medium-chain olefins that can replace oil and gas in syntheses. The process uses glucose as a feedstock and reduces energy consumption compared to traditional methods.
Researchers developed a simpler, greener method for producing Grignard reagents using environment-friendly paste-based technology. This new process drastically cuts down on the use of hazardous organic solvents and could lead to reduced production costs and environmental benefits.
Scientists have developed novel gas sensors with improved detection sensitivity and durability by combining organic and inorganic materials. The hybrid sensors boast high durability and high sensitivity, making them suitable for portable gas sensing applications.
A team of chemists developed a new set of modifiable polymers made from SOF4, allowing for environmentally safe reactions and fast production. This breakthrough enables the generation of a vast library of polymers with distinct properties for applications in drug discovery and material science.
Researchers have successfully synthesized AIE-active nanoparticles in a single step, producing fluorescent sensors that can detect nitroaromatic compounds with high sensitivity. The novel solid-state sensors show quenching of fluorescence emission on contact with PA, enabling fast and accurate detection of explosives.
The synthesis of coumarin derivatives can be performed using various green chemistry methods, including ultrasound, microwaves, and solvent-free synthesis. These methods reduce the utilization and generation of toxic organic substances, while also enhancing product yields and purity.
A Yale-led research team outlines key principles for a green chemistry future, emphasizing the importance of systemic sustainability in all chemical processes. The paper highlights recent achievements in green chemistry and its potential to revolutionize various industries, from energy generation to electronics.
Researchers have developed new eco-friendly preservatives using guava leaves, while others created fertilizers from fish bones. The top challenge projects showcased sustainable chemistry practices for a greener future.
Researchers at North Carolina State University have developed a new process called pseudo-homogeneous catalysis, which combines the benefits of both homogeneous and heterogeneous catalytic reactions. This novel technique uses elastomeric microspheres to improve palladium catalyst efficiency and reduce waste.
Researchers at Carnegie Mellon University developed an approach to quickly and cheaply remove over 99% of bisphenol A (BPA) from water. The solution involves combining TAML activators with hydrogen peroxide, breaking down harmful chemicals in water.
The Elsevier Foundation Green and Sustainable Chemistry Challenge has awarded two prizes to innovative projects that use bioresources to address environmental issues in Brazil and Nigeria. Dr. Dênis Pires de Lima won the first prize for his project using cashew nuts to produce environmentally friendly insecticides, while Dr. Chioma Bla...
The Green and Sustainable Chemistry Challenge has selected two winning projects that offer environmentally friendly processes, products, and resources for use in developing countries. Yunsang Kim's project uses nanocellulosic fibers to reduce wastewater and toxic chemicals in textile dyeing, while Suzana Yusup's project develops a wate...
The top 5 finalists of the Green and Sustainable Chemistry Challenge were selected from almost 500 submissions worldwide. The projects aim to provide environmentally friendly processes, products, and resources for developing countries. The winning project will receive €50,000, while the second prize winner will get €25,000.
The UCSB organic chemistry team, led by Bruce Lipshutz, developed an ecofriendly approach to the Suzuki-Miyaura cross-coupling reaction, significantly reducing palladium requirements. By using iron salt as a palladium substitute, they eliminated heat input and organic solvents, creating a more sustainable process.
A new five-tiered testing system, called the Tiered Protocol for Endocrine Disruption (TiPED), can help manufacturers avoid creating products with harmful endocrine disrupting chemicals. The researchers hope that chemists and companies will incorporate these tests at the early stages of product development to create safer products.
Researchers from NC State University have developed a safety testing system called TiPED to help chemists design inherently safer chemicals. The system aims to identify potential endocrine disruptors before they are used in commercial products, benefiting consumers and reducing exposure to harmful chemicals.
The Advanced Denim process produces jeans using significantly less water, energy, and waste than traditional methods. This technology has the potential to save 2.5 billion gallons of water and eliminate 8.3 million cubic meters of wastewater annually.
The winners of the 2012 Presidential Green Chemistry Challenge Awards have been announced for their groundbreaking work in developing environmentally benign organic catalysts, producing high-performance green chemicals, and improving synthetic pathways. The awards recognize innovation in reducing waste and pollution.
Researchers have developed a sustainable method to convert orange peels into valuable chemicals and materials, including fragrances, water purification, and biofuels. This innovation has the potential to reduce greenhouse gas emissions and create a zero-waste biorefinery.
The American Chemical Society's Green Chemistry Institute will host a panel discussion on advancing global green chemistry, featuring experts from government, business and academia. The event aims to enhance the profile and importance of green chemistry while linking the global community.
Many pharmaceutical companies are making progress in embracing green chemistry principles, reducing waste generation and operating more environmentally friendly ways. The American Chemical Society's Green Chemistry Institute is helping its members share best practices and compare progress.
The American Chemical Society showcased a large number of scientific reports on sustainability and green chemistry at its meeting. Over 150 researchers presented their findings, addressing topics such as water pollution control and innovative solutions for sustainable production.
Researchers have developed green chemical technologies to extract valuable chemicals from biomass, reducing waste and increasing product quality. These innovations can be used in various applications, including construction and bioprocessing.
James C. Liao, UCLA professor, receives Presidential Green Chemistry Challenge Award for his groundbreaking work on recycling carbon dioxide into products used in alternative transportation fuels or chemical feedstock. His technology addresses the problems hampering the development of bio-based chemicals and fuels.
A new solvent developed by Queen's University Professor Philip Jessop extracts oil from soybeans using carbon dioxide, reducing the need for energy-intensive distillation processes. The 'switchable' solvent can be reused with water, making it an environmentally friendly alternative to traditional hexane-based cooking oils.
The American Chemical Society's top R&D official, Paul T. Anastas, emphasizes the importance of green chemistry in achieving sustainability. Green chemistry aims to incorporate 12 principles, including prevention of waste and use of safer chemicals, into product design and manufacture.
The 239th National Meeting of the American Chemical Society features a comprehensive series of scientific reports on advances in sustainable development, including the application of green chemistry to reduce hazardous substances. The event aims to shepherd scientists' collective knowledge to address the world's sustainability challenges.
Scientists at the University of York have developed a technique to recover polyvinyl-alcohol from discarded TV screens, transforming it into a substance suitable for use in tissue scaffolds that aid body regeneration. The recovered material can also be used in pills and dressings designed to deliver drugs to specific parts of the body.
A team of researchers has developed an environmentally-friendly lubricating grease based on ricin oil and cellulose derivatives, providing a 100% biodegradable alternative to traditional industrial lubricants. The new formula offers improved environmental performance and is easier to process than conventional greases.
The American Le Mans Series has introduced a green racing initiative, awarding prizes to the fastest cars producing the smallest environmental footprint. The concept aims to accelerate innovation in everyday life, reducing dependence on foreign oil.
The US Environmental Protection Agency announced the 2009 Presidential Green Chemistry Challenge Award winners, recognizing research that can make significant contributions to pollution prevention. The award winners developed innovative methods for producing greener chemicals, fuels, and materials.
Kris Matyjaszewski developed an environmentally friendly form of Atom Transfer Radical Polymerization (ATRP), reducing copper catalyst levels by 1,000 times. This breakthrough has led to the creation of safer materials with tailored functionalities for various industries.
The University of Oregon's GEMs database has doubled in size, now featuring over 100 items on green chemistry strategies across various disciplines. The database allows educators to search by concept and contribute to threaded discussions, capturing the iterative process of greening laboratory activities.
The National Centre of Excellence for Green Chemistry, funded by $9.1 million, will develop cleaner alternatives for chemical and manufacturing industries. It aims to commercialize 50 Green Chemistry technologies, leading to at least 10 licence agreements and creating over 250 jobs.
A new method of synthesizing peptides using simple reagents has been discovered by McGill University researchers. The technique allows for the creation of multiple peptides with minimal equipment and expense, revolutionizing biological research.
Paul T. Anastas, Yale Professor of Green Chemistry, received the Leadership in Science award from the Council of Scientific Society Presidents for his pioneering work in 'green chemistry.' His research focuses on safer chemicals, bio-based polymers, and sustainable chemical synthesis.
Jim Hutchison, a chemist and materials scientist at UO, emphasizes the need for interdisciplinary teams to address nanomaterial safety concerns. He advocates for green chemistry approaches to reduce byproducts and simplify purification, accelerating data collection on material hazards.
A leading U.S. innovator in nanofabrication and assembly processes, James E. Hutchison, emphasizes the need for designing materials and processes that minimize hazard and waste in the production phase of nanotechnology. Green chemistry can sharply reduce toxic solvents and produce safer products with reduced unintended consequences.
Researchers at Queen's University have devised a novel approach to creating emulsions, which can be used for various industrial applications such as cleaning up oil spills and extracting oil deposits from tar sands. The new 'green chemistry' solution uses a reversible surfactant that can be activated by carbon dioxide or air, allowing ...
The symposium showcases the latest research on green nanochemistry, focusing on sustainable nanotechnology and its applications in medicine, electronics, and energy. Researchers discuss developments of greener nanomaterials, new water-soluble carbon nanotubes, and nanomaterials for improved solar cells and fuel cells.
Researchers have created new stain-resistant coatings that use novel short-chain fluorocarbons, reducing the environmental impact of PFOA. The compounds perform as well as conventional coatings and have been filed for patent, offering a potential solution to reduce PFOA in environments.
The University of Oregon has developed an online resource called GEMs (Greener Education Materials) to teach green chemistry principles. The platform provides a wealth of resources, including lesson plans, activities, and test questions, to support the teaching of green chemistry across various disciplines.
Researchers at the University of Oregon have developed a method to organize small gold nanoparticles into linear chains with controlled interparticle spacing, essential for creating electronic and optical applications. The technique uses DNA as a template and has high reproducibility, tolerance for structural defects, and high yield.
Kansas State University will develop a 'green' chemistry course with a $500,000 NSF grant. The course aims to educate students on environmentally friendly chemical processes and develop chiral molecules critical for biologically active compounds like pharmaceuticals.
The Royal Society of Chemistry hosted a plenary lecture on green and sustainable chemistry, featuring speakers from industry and academia. Key highlights include collaborations between sectors, innovative technologies for reducing waste and consumption, and the importance of information infrastructure.
The Center for Environmental and Biological Chemistry (CEBC) will focus on developing greener chemical processes, including catalysts for cleaner solvents. Researchers will work with industry partners to create more efficient reactors and reduce waste, aiming to improve the quality of life through cleaner chemicals.
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.