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.
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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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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 from Ural Federal University and Bangladesh University of Engineering and Technology developed a green synthesis method for iron oxide nanoparticles using Ipomoea aquatica extract. The resulting nanoparticles exhibit superparamagnetic nature, antibacterial activity, and potential applications in biomedicine.
Researchers at Northwestern University have developed a method to create highly active catalysts from precious metal nanoparticles, improving fuel cells' efficiency. The new catalysts can also be recycled from spent catalysts, reducing waste and increasing their lifespan.
Scientists from Tomsk Polytechnic University have developed a concept for an 'optical vacuum cleaner' that can manipulate and capture nanoparticles using optical properties. This technology has the potential to improve air purification in lab-on-a-chip operations and clean rooms.
Researchers used neutron scattering to analyze battery electrode reactions and found that lithium sulphide forms on the outer surface of carbon fibres, not within microporous electrodes. This insight could improve battery development with higher energy density and longer lifespan.
Researchers have made a breakthrough in cancer treatment using nanoparticles that can be activated by radiation, resulting in statistically significant reductions in tumor size. This innovative approach builds on previous research and has the potential to effectively treat tumors throughout the body.
A novel targeting strategy using a click reaction-assisted immune cell targeting (CRAIT) method enables deep tumor penetration of drug-loaded nanoparticles. This approach has shown promising results in reducing tumor burden in aggressive breast cancer models, offering new hope for cancer treatment.
Researchers used microchips to test titanium dioxide, a common sunscreen ingredient, which is found nontoxic but offers protection against UV damage to skin cells. Microfluidic devices simplify nanoparticle analysis, reducing cost and time.
Researchers have developed nanoparticles that can convert near-infrared light into visible light, allowing mice to see in the dark. The technology aims to improve safety and sensitivity for human use and has potential medical applications.
Researchers studied nanoparticle uptake in human stem cells and found minor effects on gene expression. The nanoparticles were encapsulated in lysosomes, ensuring their storage and preventing cell damage.
The study models a system using light to generate an electromagnetic field, polarizing neutral nanoparticles made of insulating materials. The technique has the potential to provide thrust for tiny spacecraft without an electrical power supply.
Researchers developed a CRISPR-responsive hydrogel system that can be programmed to release compounds, nanoparticles, or live cells in response to specific DNA targets. The system's sensitivity and versatility make it suitable for various biomedical applications, including tissue engineering, bio-electronics, and biosensing.
Researchers at NUST MISIS have identified a mechanism for removing magnetic nanoparticles through the kidneys, allowing for safer drug delivery. The study used a combination of techniques to track nanoparticle transport, revealing that they can be excreted directly into the renal tubule, reducing the risk of liver accumulation.
Researchers developed a calcium-based conservation treatment that enhances hydrophobicity, reduces cracking and improves surface adhesion on various building materials. The treatment, inspired by natural structures like bone and kidney stones, provides improved acid resistance and minimal color effect.
Researchers at Waseda University developed a new nanoparticle combination therapy that effectively resuscitates trauma patients with massive hemorrhage. The therapy, using nanoparticles with hemostatic and oxygen-carrying potential, shows comparable results to conventional transfusion.
Researchers have created a new material that is both liquid and magnetic, allowing for the creation of printable liquid devices with potential applications in artificial cells and flexible electronics. The droplets can change shape to adapt to their surroundings and are preserved even when divided into smaller droplets.
Scientists developed a tumor-activatable antibody nanoparticle to overcome immunological tolerance in tumors. The nanoparticle releases PD-L1, triggering tumor antigen release and CTL infiltration, leading to efficient antitumor immunity and long-term immune memory effects.
Scientists have developed a novel nanoparticle formulation targeting PD-L1 with high specificity, allowing for improved infiltration of T cells into tumors and increased sensitivity to checkpoint blockade. This approach achieved an 80% mouse survival rate over 70 days, outperforming traditional antibody therapies.
A novel lipid nanoparticle delivery system has been developed to deliver CRISPR/Cas9 gene editing tools into liver cells with up to 90% efficiency. This improvement has the potential to overcome technical hurdles for clinical applications, including treatment of hyperlipidemia and various diseases.
The approach demonstrated in mice enhances healing by reprogramming aggressive immune cells to work for the body, reducing inflammation and promoting regeneration. This technology could lead to new therapeutic strategies for patients with spinal cord injury and inflammatory diseases.
Researchers used nanoparticles to intercept immune cells in mice with spinal cord injuries, reprogramming them before they reached the injured site. This led to reduced inflammation, scarring, and a more regenerative healing environment.
A new nanotheranostic system uses silica-coated bismuth-ferrite harmonic nanoparticles to combine diagnostic imaging with targeted drug delivery, overcoming limitations of previous approaches. The system allows for medically safe release of therapeutics upon near-infrared light activation.
Researchers developed molecularly imprinted nanoparticles that selectively bind to HER2 receptors, inhibiting tumor cell multiplication and growth. The particles were produced using a special method and demonstrated significant efficacy in reducing tumor growth in vitro and in mice.
Researchers at TUM have developed platinum nanoparticles that double the performance of current fuel cells. The particles are about one nanometer big and contain approximately 40 platinum atoms, resulting in high mass activity. This breakthrough could lead to widespread adoption of fuel cells in electric cars.
Researchers at Oregon State University have developed an improved technique for using magnetic nanoclusters to kill hard-to-reach tumors. The nanoclusters, which can reach temperatures in excess of 100 degrees Fahrenheit, were found to be effective in treating ovarian cancer and other types of cancer.
Researchers have discovered that tungsten trioxide can replace barium in X-ray exams and cancer treatments, offering a more effective and safer alternative. The compound's high absorptive capacity makes it suitable for creating a new class of contrast agents.
Researchers have created a new chemoradiotherapy formulation that could reduce side effects in advanced stage head and neck cancer patients. The formulation, which stays within tumors, is predicted to be effective while minimizing harm to healthy cells.
Researchers used DNP-NMR to elucidate the atomic-scale location and distribution of functional groups on MSN surfaces, disproving existing notions of synthetic strategies. This breakthrough provides mechanistic insight for guiding MSN synthesis in a more controlled way.
Scientists have identified a rare genetic mutation causing a fatal respiratory disorder that affects newborns. Using CRISPR/Cas9 gene editing technology, researchers developed a mouse model of the disease and discovered a critical link between FOXF1 mutations and STAT3 deficiency.
Researchers at Brigham and Women's Hospital have developed a test for early detection of diseases, including different types of cancer, using sensory nanoparticles. The test can identify unique
Researchers from IKBFU have developed high-quality α-Fe magnetic nanoparticles using an alternative method of electric explosion, which exhibit a high value of magnetization saturation. The obtained nanoparticles show increased chemical stability and biocompatibility, making them suitable for applications in sensing and biomedicine.
Researchers at the University of Helsinki and OIST have developed a novel method to create hybrid Au/Fe nanoparticles with unprecedented complexity. This breakthrough enables precise control over shape, size, and elemental composition, opening up new avenues for emerging applications.
Researchers from the University of Konstanz's CRC 1214 create single-chain, uniform-shape monodisperse nanocrystals with high particle number densities. This breakthrough enables the creation of polymer materials based on nanoparticle assembly.
The scattering spectrum of individual nanoparticles on daguerreotype surfaces exhibits a narrow blue/UV peak and broader red peak, resulting in a blue tone when viewed from above. The tone shifts to brown/red as the viewing angle increases due to changes in nanoparticle morphology and size.
Researchers at NIST developed a method to measure magnetic properties of nanoparticles by rapidly enlarging magnetic bubbles, revealing the orientation of individual nanoparticle poles. This technique enables fast and economical measurement of magnetic stability for various medical and environmental applications.
Colorado State University chemists developed a new design for eco-friendly smart glass that works faster and lasts longer. By optimizing nanoparticle spacing, the tinting behavior can be improved, leading to enhanced performance in applications such as windows, batteries, and sensors.
Scientists at Lobachevsky University and their Japanese colleagues tested the hypothesis of multi-photon photoemission by studying the behavior of gold nanorods under ultrafast laser excitation. The results contradict previous theories, instead supporting the tunnel emission mechanism as the primary process.
Researchers at Osaka University created a new process for producing palladium nanoparticles that enhance hydrogen sensing sensitivity. The new method uses piezoelectric resonance to optimize deposition time, leading to devices that may be vital to the transition to a hydrogen energy ecosystem.
Researchers discovered a plant virus capable of delivering pesticide molecules deep into the soil, targeting pests like nematodes. The breakthrough could help farmers reduce pesticide use and minimize environmental harm.
Researchers found that cube-shaped nanoparticles coated with single-stranded DNA chains assemble into an unusual 'zigzag' arrangement that maximizes attraction and minimizes repulsion. The discovery breaks the orientational symmetry of cubes relative to the vectors of the unit cell, allowing for a new type of nanoscale packing.
A new study found that titanium dioxide nanoparticles, used in over 900 food products, can affect the gut microbiota and potentially trigger diseases like inflammatory bowel diseases and colorectal cancer. The research suggests that better regulation of E171 consumption is needed to ensure safe use.
Researchers at Ruhr-Universität Bochum have discovered a new class of high entropy alloys suitable for electrocatalytic applications. These materials show potential in reducing energy losses and improving activity comparable to platinum catalysts in oxygen reduction reactions.
Scientists at Ruhr-University Bochum created a new approach to observe nanoparticles before, during and after electrochemical reactions. The method allowed them to monitor the structure and composition changes of individual particles throughout their entire lifecycle.
A researcher at Oregon State University has received a five-year, $3.3 million grant to develop a way for cystic fibrosis patients to get molecular treatment via an inhaler. The treatment would work on every patient, regardless of their genetic mutation, and could vastly improve existing therapeutic methods.
Researchers successfully synthesized nanotwinned cubic boron nitride (nt-cBN) and nanotwinned diamond (nt-diamond) using onion-like boron nitride (oBN) precursors. The size change of oBN precursor results in distinct microstructures, leading to significant alteration of microstructure and performance in the produced materials.
MIT engineers designed tiny robots that use magnetic fields to push nanoparticles out of blood vessels and into tumors, improving drug delivery efficiency. The robots create fluid currents that drag nanoparticles along, overcoming one major obstacle to targeted nanoparticle delivery.
A team of engineers, dentists, and biologists from the University of Pennsylvania developed microscopic robotic cleaning crews that can precisely and non-invasively remove dental plaque. The robots use catalytic activity to kill bacteria and break down biofilms, offering a potential solution for biofilm-related infections.
Researchers developed precision-guided anticancer nanoparticles that effectively target peritoneal cancer cells, reducing side effects. The use of guiding molecules improves drug solubility, selectivity, and release in tumor cells.
Researchers from Chalmers University of Technology have created the world's fastest hydrogen sensor, capable of detecting extremely small amounts of hydrogen in the air in under a second. The sensor works by using an optical phenomenon called plasmon, which changes color when hydrogen levels change.
New research shows that magnetic hyperthermia therapy is tunable depending on nanoparticle diameter and material composition. The study demonstrates increased tumour absorption rates as particle diameter increases, offering new avenues for targeted cancer treatment.
Researchers developed melanin-loaded cell membrane derived nanoparticles that improved tumor imaging and slowed tumor growth in an animal model. The nanoparticles also triggered an immune response against the tumor, making them a potential option for theranostics.
Researchers tracked platinum and tin atom movement during iNPs synthesis, discovering intermediate phases with unique catalytic properties. This discovery enables control over material synthesis and potential applications in energy-efficient fuel conversion and biofuel production.
Researchers at Tohoku University have developed a technique to transform copper into a material that mimics properties of gold and silver. The new medium, made of copper nanoparticles, has applications in the production of electronic devices and is suitable for environmentally friendly printing technologies.
Researchers create covalent nanoparticles to deliver naloxone for 24-hour protection against morphine and fentanyl's effects. The nanoparticle system shows promise in treating fentanyl overdoses and could potentially replace short-acting naloxone as an antidote of choice.
Physicians at the University of Vienna have developed a novel method to cool nanoparticles using quantum optics, enabling unprecedented control over particle motion in ultra-high vacuum. The approach, inspired by atomic physics, harnesses scattered light from an optical tweezer to effectively cool particles' kinetic energy.
Researchers discovered that the electric field component of a terahertz pulse plays a key role in large magnetization modulation of ferromagnetic nanoparticles. This allows for ultrafast coherent magnetization reversal within a picosecond, essential for ultrahigh-speed spintronics.
The University of Pittsburgh's Swanson School of Engineering has received four prestigious NSF CAREER Awards, totaling over $2 million in funding. The awards recognize faculty who exemplify outstanding research, education, and community engagement.
A Northwestern University research team has developed tiny, fully reconfigurable metalenses made from silver nanoparticles that can adapt to different imaging applications. The new lenses have a thickness 100 times smaller than human hair and can form multiple images at various positions.
Researchers found that low-dose radiation increases the uptake of therapeutic nanoparticles by glioblastomas, allowing for targeted siRNA delivery and improved survival in mouse models. The therapy also activates the immune response at the tumor site, decreasing PD-L1 expression and increasing CD8 T cell recruitment.
Theoretical approach uses layers formed by liquids to arrange nanoparticles into unique structures for optics, plasmonics and electronics applications. By controlling nanoparticle properties, researchers can create exotic arrangements, such as strings or sheets, with potential benefits in multi-stage chemical catalysis.
Researchers found that magnetic stir bars become permanently contaminated with metal nanoparticles after a week of use, affecting subsequent reactions. Regular cleaning procedures are insufficient to remove such contamination completely.