Articles tagged with Nanoparticles
Researchers at USC Viterbi's Department of Biomedical Engineering have developed a nanoparticle that lights up calcification, allowing for more effective detection of blocked arteries. This innovation has the potential to improve cardiovascular disease diagnosis and treatment by identifying unstable calcifications.
Researchers aim to overcome obstacles in brain tumor treatment by using focused ultrasound and temperature-sensitive nanoparticles. These strategies can provide unique opportunities to improve the delivery of nanoparticles into brain tumors.
Researchers introduce a new water purification method using magnetic nanoparticles coated with an ionic liquid, effectively removing organic, inorganic, and microbial contaminants. The nanoparticles can be easily removed with magnets, making them a promising starting point for decentralized water purification systems.
Researchers developed a new process using biodegradable chitosan nanoparticles to fabricate self-cleaning antireflective glass surfaces. The eco-friendly approach eliminates microplastic waste, a significant environmental concern.
Researchers have developed a method to precisely control the size and shape of nanoparticles, which could lead to more effective drug delivery systems. By modifying a base nanoparticle with a second polymer, scientists can create nanoparticles of specific dimensions.
New technologies have successfully established zeolite nanoparticle production methods, enabling size control and mass production. The 'bead-milling and recrystallizing method' produces nanoparticles < 100nm, while the 'particle growth method' generates larger particles from 150-300nm.
A new technique called ELeCt uses drug-loaded nanoparticles bound to circulating red blood cells to inhibit lung cancer metastasis with tenfold greater success than free-floating nanoparticles. The research has shown improved survival rates and reduced side effects in mice with lung cancer, making it a promising clinical treatment.
Researchers have gained insights into how nanoparticles can be used to identify invasive microbes and deliver targeted treatments, potentially preventing deadly diseases contracted on medical equipment. The study, conducted by Monash University researchers, found that nanoparticles bound to fungal cells but were non-toxic to them.
Researchers developed mass production technology for solid-solution alloy nanoparticles, which can be used as innovative catalysts for exhaust gas purification. The new technology achieved stable synthesis of 1nm-class nanoparticles at low temperatures, outperforming existing rhodium-based catalysts.
A new treatment approach for inflammatory diseases, including sepsis, stroke, rheumatoid arthritis, acute lung injury, and atherosclerosis, has been discovered using nanoparticles. The technology selectively kills 'rogue' white blood cells that drive exaggerated immune responses, while leaving beneficial cells unharmed.
Researchers from SMART have discovered a new method called Molecular Probe Adsorption (MPA) that enables the exploration of nanoparticle surfaces without damaging them. This breakthrough technique is substantially faster and cheaper than existing chemical methods, allowing for universal characterization of nanoparticles with any geomet...
Researchers at MIT have found that coating nanoparticles with right-handed molecules of the amino acid cysteine can improve their ability to avoid being destroyed by enzymes in the body. This approach also allows them to enter cancer cells more efficiently, making it a promising method for developing more effective drug carriers.
Scientists at Brookhaven National Laboratory have developed a new approach to artificial photosynthesis that improves the efficiency of capturing light and splitting water molecules to produce hydrogen fuel. The system uses molecular tethers to attach chromophores to catalysts, allowing for stable and efficient electron transfer and ge...
Northwestern University chemists create molecules with specific chemical products and arrangements of atoms, suitable for drug development. The catalyst can be reused for additional reactions, producing high yields.
Researchers have found a way to produce corundum nanoparticles using simple mechanochemistry in a ball mill, which could lead to more robust and easier-to-manufacture automotive catalysts and ceramics. The production method involves grinding lumps of boehmite in a ball mill for 3 hours and then heating them briefly.
Researchers developed nanoparticles that emit different colors of light to trigger specific biological processes. They successfully controlled the beating rate in modified heart-muscle cells using red and green light, demonstrating a new level of control over biological processes.
Scientists developed a simple method for producing nanometer-sized corundum with high porosity at room temperature. The process involves milling a powder in a ball mill for a few hours, resulting in thermodynamically stable nanoparticles. This breakthrough reduces energy and costs associated with traditional production methods.
Researchers from University of Illinois at Urbana-Champaign and Northwestern University have developed techniques to observe and simulate the self-assembly of crystalline materials at a higher resolution. They pinpointed individual motions of tiny nanoscale particles as they orient themselves into crystal lattices, confirming that synt...
Researchers develop copper telluride nanoparticles that mimic enzymes, inducing oxidative stress and triggering inflammatory processes in tumor cells. This triggers an immune response, allowing the body to defend against metastasis and relapses.
Researchers at NTNU have created magnetic supercrystals that assemble themselves into strong shapes, increasing cohesive energy by up to 45% due to magnetism. This discovery opens up new possibilities for controlling the mechanical properties of these structures, which could be used in various applications.
Researchers at Argonne National Laboratory and top universities have developed a catalytic method to selectively convert discarded plastics into higher quality products like lubricant oils or waxes. The catalyst converts polyethylene molecules into value-added commercial products with high yield.
A team at the University of Michigan developed a new catalyst that selectively produces the correct version of twisted molecules, which are essential for medicines. The catalyst is made from mineral nanoparticles and can work in water, reducing costs and environmental impact.
A new phase 2 clinical trial shows that technology can induce immune tolerance to gluten in individuals with celiac disease, reducing inflammation and protecting the small intestine. The treatment, called CNP-101, is a biodegradable nanoparticle containing gluten that convinces the immune system it's safe.
Researchers at Washington University and USF Health developed a peptide-based nanoparticle that delivers siRNA to suppress KRAS-driven cancer growth without adverse effects. The nanoparticles effectively target tumor cells, reducing tumor cell death and slowing cancer growth.
Scientists have found a new stable form of plutonium with an unexpected pentavalent oxidation state, which may be crucial for improving the safety of radioactive waste storage. The discovery was made using advanced synchrotron X-ray methods and has significant implications for long-term nuclear waste management.
A groundbreaking method allows for easy determination of the surface free energy of particles, a quantitative measure of particle hydrophobicity. This innovation has significant implications for scientific and industrial applications involving particulate matter.
Researchers at Argonne National Laboratory have discovered a key property of donut-like nanoparticles called semiconductor quantum rings, which may find application in quantum information storage, communication, and computing. The team achieved coherent directional control over light emission by breaking the symmetry of the ring shape.
Researchers at UNM's Department of Physics and Astronomy have discovered that decreasing the density of nanoparticles in ordered arrays produces exceptional electric field enhancements. By making particles smaller and farther apart, interactions between nanoparticles are strengthened, resulting in stronger collective responses.
Researchers at Brown University have developed a new production method for the high-performance polymer Zylon using nanoparticle catalysts, which can produce degradation-resistant materials. The new approach reduces energy consumption and eliminates a corrosive acid that causes degradation.
Researchers found non-antibacterial nanoparticles can cause rapid bacterial resistance in Shewanella oneidensis MR-1. The study suggests that nanoparticles could have significant effects beyond bacteria, affecting ecosystems and human health.
University of Oregon researchers have identified a design principle that points to making catalytic particles really small for increased efficiency. Smaller nanoparticles collect excited positive charges, preventing recombination and generating higher voltages.
Researchers have created a new measurement method to determine the electrochemical activity of individual noble-metal-free nanoparticle catalysts. This breakthrough could lead to more efficient hydrogen production through water electrolysis by using affordable alternatives to precious metal catalysts.
The Reinhart Koselleck Project aims to study the growth of atmospheric nanoparticles using high-resolution mass spectrometry. The team hopes to understand the mechanisms of particle formation and differentiate between natural and human-induced causes.
A team of researchers has fabricated silver nanoparticles that can rapidly change color in response to moisture, enabling fast and reversible switching of plasmonic color in solids. This technology holds promise for applications in product authentication, information encryption, and sensing.
A new technique uses nanoparticles to measure how quickly they move through mucus samples, correlating with COPD severity. The study's findings suggest that the structure of mucus in patients with severe COPD may be distinct and affect particle movement.
MIT researchers have developed a delivery system that makes RNA vaccines more powerful, triggering efficient protein production and boosting immune response. The nanoparticles also activate an immune signaling pathway, provoking T cells to attack cancer cells and infectious agents.
A German-Australian team of researchers has successfully converted carbon dioxide into ethanol and propanol using metallic nanoparticles, also known as nanozymes. This breakthrough is based on the principle of enzyme cascade reactions, where complex molecules are produced from comparatively simple raw materials.
Scientists at Ohio State University have developed a tool to measure protein behavior at slower speeds than previously possible, allowing researchers to ask deeper questions about protein function and behavior. The discovery could lead to a better understanding of how proteins regulate cellular processes and interact with other molecules.
Researchers developed a universal computer model for metal nanoparticle adsorption, accounting for structural characteristics, metal composition, and adsorbates. The model enables predicting adsorption trends on novel nanoparticles, accelerating nanomaterials design.
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 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.
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.
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.
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.
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.
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.
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 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.