Articles tagged with Nanoparticles
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 developed a stable air-stable plasmonic reduction catalyst that enhances ethene production from acetylene using visible light. The catalyst achieves an efficiency of 320 mmol g<sup>−1</sup> h<sup>−1</sup> with 90% selectivity, surpassing known plasmonic and thermal catalysts.
A new technique developed at INRS pushes back some of the limits of infrared imaging for rare-earth doped nanoparticles. The SWIR-PLIMASC system enables high-sensitivity and high-speed imaging, allowing for accurate information to be derived from photoluminescence lifetimes.
Researchers at Washington University in St. Louis used specially made nanostructures to enhance the locust's ability to detect odors, boosting neural signals for improved chemical sensing. The team created a biocompatible and biodegradable nanoparticle that converts light to heat, amplifying neural activity.
Researchers develop nanofibrous matrices containing MXene nanoparticles to aid in muscle regeneration. The study reveals molecular mechanisms behind the effects of MXene nanoparticles on muscle growth, suggesting a promising avenue for treating volumetric muscle loss and muscle-related ailments.
Researchers at Brookhaven National Laboratory successfully produced large quantities of human ACE2 receptor protein in mouse cells, allowing for the study of viral receptors and potentially developing new therapies. The method could also facilitate the production of other complex proteins that have proven difficult to produce.
A team of researchers from MIT and the Broad Institute developed two types of injectable molecules called 'priming agents' that can boost DNA levels in blood samples, allowing for earlier cancer diagnosis and more sensitive detection of tumor mutations. The approach could also help improve detection of cancer recurrence.
Scientists develop novel synthetic strategy to create highly ordered colloidal crystals using DNA as the bonding element. The approach enables the synthesis of 10 new crystals with potential for designing metamaterials with unprecedented properties.
Researchers at TU Graz have made a breakthrough in manufacturing complex, free-standing 3D nanoarchitectures with precise shapes and sizes. They achieved this by precisely simulating the required optical properties in advance and completely removing chemical impurities, enabling new optical effects and application concepts.
Scientists have created a new therapy using nanoparticles to target specific immune cells responsible for allergic responses. The approach, which combines an allergen with antibodies that selectively inhibit mast cells, has shown promising results in a mouse study, preventing allergic reactions without causing side effects.
Researchers created nanoparticles using ultraviolet light crosslinked amino acids, loaded with doxorubicin and coated with tannic acid complex. The nanoparticles exhibited superior stability and drug release under different pH conditions, showing excellent anticancer activity in tumor-bearing mice.
Researchers developed nanosensors that can be inhaled and detected in urine, offering a potential alternative to CT scans for early lung cancer detection. The diagnostic system shows high specificity and sensitivity in detecting stage 1 or 2 lung tumors.
Researchers develop nanoparticles that selectively bind to activated astrocytes and microglia cells in the hippocampus of Alzheimer's patients, demonstrating increased nanoparticle transport across the blood brain barrier with age. The study provides valuable insights into advancing nanoparticle-based drug delivery for treating neurode...
Researchers developed a zinc oxide nanopagoda array photoelectrode with high electron conductivity, low defects, and enhanced visible light absorption properties. The addition of silver nanoparticles increased photocurrent by approximately 1.5-fold, improving water-splitting hydrogen production.
Researchers have developed nanodrones that target and eliminate cancer cells by recruiting natural killer cells to tumor sites. The study offers a potential solution for intractable types of cancers, with promising results in suppressing tumor growth without causing side effects.
Researchers at UPV and CSIC have developed a new method to generate metal nanoparticles for catalysts using microwave radiation. The process improves the sustainability and efficiency of catalysts by reducing temperatures and exposure times.
Scientists in Germany developed a new analytical method to precisely elucidate the size of particles, structure, and RNA molecules in pharmaceutical products. This information can help evaluate product quality, enabling improved development of new products.
Nanoparticles loaded with antibiotics and antimicrobial compounds inhibit TB progression and overcome resistance without cell damage. The technology shows promise for a shorter treatment strategy against multidrug-resistant strains of Mycobacterium tuberculosis.
A new method has been developed to produce green hydrogen more efficiently and cheaply, using ruthenium particles and a solar-powered electrolytic system. The technology could reduce the costs of green hydrogen production on an industrial scale.
Researchers from Japan Advanced Institute of Science and Technology have developed a copolymer-conjugated nanocatalytic system to enhance active electron transfer for increased photoinduced hydrogen generation. The system leverages the advantages of a stimuli-responsive polymer chain to achieve dynamic electron transfer.
A team of researchers has designed nanoparticles with a propeller shape to improve control over their movements. The chiral shape allows for stability and directionality, enabling cargo transport and manipulation, which can be useful for drug delivery and lab-on-a-chip systems.
Researchers developed novel nanoparticles that deliver RNA to microglia immune cells, reducing inflammation linked to Alzheimer's disease. The study showed a 42% reduction of PU-1 expression and multiple inflammatory markers in human cell cultures and mice models.
A new 'one-pot' method for producing palladium nanosheets could significantly improve the efficiency of clean energy production. This breakthrough enables the use of less rare metals, reducing environmental impact.
Researchers at the University of Toronto have discovered a novel ionizable lipid nanoparticle that enables efficient muscle-focused mRNA delivery while minimizing off-target effects. The study demonstrates potent cellular immune responses and potential as a viable candidate for cancer vaccine development.
A team of scientists has developed a new approach to form gold nanoparticles in tellurite glasses, enabling precise control over their formation and plasmonic properties. This innovation has potential for real-world impact in exciting photonics research and applications.
Researchers at Scripps Research have designed a novel flu vaccine that utilizes nanoparticles to present the M2e protein fragment, which is relatively conserved across different influenza A strains. The vaccine showed promising results in initial animal tests, providing strong protection against both seasonal and pandemic strains.
Researchers from The University of Texas at Austin have demonstrated a compact particle accelerator that produces an electron beam with an energy of 10 billion electron volts (10 GeV) in a chamber less than 20 meters long. The breakthrough uses nanoparticles to boost the energy delivered to electrons, enabling new applications in semic...
Researchers at Cornell University have found that silica-based C’Dots can be taken up by the bloodstream after oral administration, making them a potential therapeutic delivery method. The particles' ability to induce ferroptosis, a cell death program, may also provide health benefits due to their natural presence in food.
Researchers from Tampere University discovered that marine organisms can form new atmospheric particles in the South Pacific Ocean, which could help explain climate change predictions. The study found that these particles were formed at night and were accompanied by signs of nitrogenous compounds.
A study led by Universitat Rovira i Virgili reveals how ligands create unique local environments within nanoparticle surfaces, affecting stability, charge, and functionality. This phenomenon has significant implications for sensing applications and chemical reactions.
This article reviews the fundamentals and applications of optically trapped optical nanoparticles, highlighting their use in optical imaging, sensing, and single-particle scanning. Key findings include advances in plasmonic, lanthanide-doped, polymeric, semiconductor, and nanodiamond nanoparticles.
Researchers have successfully observed the operating principle of promoters in a catalytic reaction in real-time. Using high-tech microscopy methods, they visualized individual La atoms' role in hydrogen oxidation. The study revealed that two surface areas of the catalyst act as pacemakers, controlled by promoter lanthanum.
Researchers investigate nanoparticles for cancer treatment, hoping to reduce side effects and improve efficacy. La-Beck's lab aims to understand the body's interaction with nanoparticles and their impact on tumor growth and immune responses.
Researchers developed nanoparticles to transport Gemcitabine directly into tumors, increasing efficacy and sparing healthy cells. The approach shows potential to treat pancreatic carcinomas more accurately and with reduced side effects.
The study found that Ryugu and CIs share a common genetic heritage, but the asteroid's Cr isotopes exhibit anomalies that could be caused by water-driven processes. These anomalies are thought to have arisen from the physicochemical fractionation of presolar nanoparticles and secondary minerals.
Rotifers, microscopic zooplankton found in ocean and freshwater, break down microplastics into nanoplastics. This process creates massive amounts of nanoparticles, posing unknown risks to the environment and human health.
Researchers developed injectable nanoparticles that release naloxone when triggered by blue light, potentially preventing opioid overdose deaths. The system showed effectiveness up to a month after injection and could be incorporated into a wearable device.
Researchers have developed a new self-assembling nanosheet that can create functional and sustainable nanomaterials for various applications. The material is recyclable and can extend the shelf life of consumer products, enabling a sustainable manufacturing approach.
Researchers have developed a novel chloride-based solid electrolyte with exceptional ionic conductivity, addressing material limitations that hindered previous attempts. This breakthrough is expected to pave the way for commercialization of solid-state batteries, promising improved affordability and safety.
Researchers at the University of California San Diego have created modular nanoparticles that can be tailored for various applications, including targeted drug delivery and neutralizing biological agents. By leveraging a plug-and-play approach, scientists can rapidly modify functional biological nanoparticles with ease.
Researchers developed a ceria nanoparticle-immobilized mesenchymal stem cell nanovesicle hybrid system to treat rheumatoid arthritis. This approach provides both immediate pain relief through ROS scavenging and long-term immune tolerance by delivering immunomodulatory cytokines.
Researchers develop a new migration strategy that enhances CO2 reduction to CO via reverse water-gas shift reaction in Ru/(TiOx)MnO catalysts. The approach boosts catalytic activity by 3.3 times and improves H-spillover for efficient hydrogen transportation.
Researchers identified high levels of silica nanoparticles in kidney tissue of patients with chronic kidney disease. Exposure to sugarcane ash and rice paddies' burning is linked to the disease, suggesting a toxicant released by agricultural activities.
Scientists from Central South University develop a novel approach to address bacterial infection in bone transplantation by enriching H2O2 and amplifying the Fenton reaction. The technique enhances biocompatibility and safety, promising reduced transplant failures and post-operative complications.
The CityU innovation has dramatically enhanced the thermal robustness of perovskite solar cells, retaining over 90% of efficiency even under high temperatures. This breakthrough could significantly broaden the utilisation of these cells and contribute substantially to combating the global climate crisis.
Researchers develop self-charging electrochromic devices with multiple color options, featuring fast response times, high reversibility, and simple fabrication processes. The devices use a trilayer film structure and spray-coating method for uniform nanoparticle film fabrication.
Researchers created single-chain nanoparticles with thermoresponsive properties, which can be used to produce high-resolution internal images of the human body. These particles create a rich optical contrast that can be used to examine tumors more closely.
Engineers developed a nanoparticle vaccine targeting S100A9, a protein that attracts cancer cells to the lungs. The vaccine significantly reduced lung tumor growth and improved survival rates in mice with metastatic breast cancer after surgery.
Researchers at Flinders University use plasma technology to transform Spirulina microalgae into ultrathin bioactive coatings that accelerate healing, modulate inflammation, and protect against infection. The new technique could be a game-changer for wound healing around the world.
Researchers at Lund University discovered that certain fungi can 'clean up' their surroundings by catching nanoplastics, reducing their toxic effects. This finding highlights the potential for fungi to mitigate soil pollution and provides hope for a more sustainable future.
Researchers developed a promising strategy to reduce adverse reactions to nanoparticles by using complement inhibitors. The study showed that regulators being studied effectively inhibited complement activation by nanoparticles in human serum in vitro and animal models.
Researchers add graphene to Bi-2223 superconductors, increasing critical current density and improving phase formation. The findings suggest potential applications in various fields, including power generation, transportation, and quantum computing.
Researchers at Chalmers University of Technology developed 3D-printed plasmonic plastic, enabling the mass production of optical sensors that can detect hydrogen gas. The composite material has unique optical properties, allowing it to filter out molecules except hydrogen, making it ideal for various applications.
A team of scientists at Aalto University has created a bio-based transparent film from lignin nanoparticles, offering an alternative to toxic synthetic materials. The coating can be used on glasses, windshields, and other surfaces, and also displays coloured films with structural colours.
The study found that magnetite nanoparticles enhanced the breakdown of PCB15 by 42% and 84% after 3 and 5 days, respectively. Fungal-mineral samples showed uneven distribution on hyphal surfaces, suggesting a synergistic effect.
Researchers developed a new catalyst using bismuth selenide, a topological insulator, to synthesize organoureas at room temperature with almost 100% yield. The catalyst's unique properties allow for stable surface states and recyclability.
Researchers at Cleveland Clinic have developed a potential vaccine candidate against Dabie Bandavirus using nanoparticles, which can deliver antigens at a lower dose with fewer side effects. The vaccine has shown promise in pre-clinical studies and could provide protection to adults over 50, who are most vulnerable to the virus.
A research team at Göttingen University has developed plasmonic molecules from nanoparticles using a novel process that precisely arranges the particles. This breakthrough enables the creation of large quantities of these compounds, which can be used for various functions in nanotechnology.
University of Oklahoma faculty members Vivek Bajpai, John R. Clegg, and Stefan Wilhelm have received NIH funding to study epigenetic mechanisms driving human pigmentation diversity and brain-resident immune cell phenotypes in brain damage associated with inflammatory disease.
Researchers at MIT and partners have discovered that variations in lithium ion flow rates are correlated with differences in carbon coating thickness, which could lead to improved battery efficiency. This technique allows for the extraction of insights from nanoscale data, offering potential applications beyond battery technology.
Researchers found that AvrE/DspE family proteins, used by plant pathogens to cause disease, fold into a straw-like structure with a water channel. This discovery could lead to the development of new methods to disarm these proteins and prevent crop damage.