Articles tagged with Nanoparticles
Palladium nanoparticles have been shown to repair atomic dislocations in their crystal structure after experiencing intense strain. Researchers discovered that these nanoparticles function like the human body healing from an injury, allowing them to mend and regain their original state.
Scientists have developed a multiresponsive nanosurfactant that can manipulate liquid droplets using magnetic fields, electric fields, and light. The droplets can be assembled into complex structures and mixed to create chemical reactions.
Researchers have developed a new way of organizing nanostructures that enhances Raman spectroscopy, allowing for the detection of molecules at low concentrations. The technique uses silver nanoparticles on nanowires to boost sensitivity, enabling the detection of compounds in nanomolar or even picomolar concentrations.
Researchers created a nanomedicine platform that uses near-infrared imaging to detect tumors and kill residual cancer cells using phototherapy. The platform has shown great precision and thoroughness in cancer treatment, with promising results in mouse models.
Researchers designed nanoparticles that mimic a cell surface protein to bind and destroy viruses, including herpes simplex virus and human papillomavirus. The new nanoparticles have shown irreversibility binding and lethal deformations to various viruses in vitro experiments.
Rice University scientists found that porous particles of calcium and silicate show potential as building blocks for various applications. When assembled into micron-sized sheets and pellets, the arrays held up better under pressure, with bigger individual nanoparticles being 120% tougher than smaller ones.
Scientists from Friedrich Schiller University Jena have developed nanoparticles that transport antibiotics more efficiently to their destination, killing off pathogens without problems. The particles are able to penetrate thick layers of mucus and biofilms, making them a promising solution against antibiotic resistance.
Researchers at MIT have developed nanobionic plants that can produce dim light for nearly four hours using nanoparticles. This breakthrough technology aims to revolutionize indoor lighting and could one day transform trees into self-powered streetlights.
Researchers have successfully infused watercress and other plants with luminescent properties using nanoparticles, creating a glowing effect similar to 'Avatar.' The glowing plants emit light without any external power source and can be turned off by adding a compound.
Researchers from NC State University have found a simpler way to deposit magnetic iron oxide nanoparticles onto silica-coated gold nanorods, creating multifunctional nanoparticles with useful magnetic and optical properties. The new technique uses an approach called heteroaggregation, resulting in highly uniform nanoparticles that can ...
Researchers have proven the effectiveness of copper nanoparticles as a catalyst for organic synthesis reactions, which is an ideal alternative to toxic heavy metal catalysts like palladium. The use of copper nanoparticles offers numerous benefits, including lower costs, improved selectivity and yields, and recyclability.
Researchers discovered that coating nickel nanoparticles with silica shells fragments the material, creating a small core of oxidized nickel surrounded by smaller satellites embedded in a silica shell. The technique may prove useful for increasing the surface area of nickel available for catalyzing chemical reactions.
Researchers at the University of Konstanz have successfully synthesized Europium(II) oxide nanoparticles, a ferromagnetic semiconductor with promising properties for spin-based electronics. The team developed a novel two-stage process to produce high-quality and anisotropic EuO-nanoparticles with tunable magnetic properties.
Researchers at Northwestern University have captured on video the collision and fusion of organic nanoparticles for the first time. This unprecedented view enables scientists to study dynamic phenomena in nanoscale materials systems.
Researchers studied ceria nanoparticles using probe molecules and a complex ultrahigh vacuum-infrared measurement system, gaining insights into their surface chemistry. The findings suggest that surface defects and oxygen vacancies enhance the high catalytic activity of these nanoparticles.
Researchers developed activatable theranostic nanoplatforms that can highlight tumor cells during surgery using near-infrared fluorescence. These nanoparticles also demonstrated effective phototherapy to eliminate hard-to-remove tumors without harming healthy tissue.
Researchers developed a bone-targeted nanoparticle that delivers chemotherapy directly to bone lesions, reducing tumor size and pain. The targeted nanoparticles showed a strong burst release of cabazitaxel and increased binding to bone compared to non-targeted nanoparticles.
Researchers at MIT have created a new delivery system for the CRISPR genome-editing system, using nanoparticles to target and delete disease-causing genes. The technique achieved an 80% success rate in deleting the Pcsk9 gene, which regulates cholesterol levels, resulting in a 35% drop in total cholesterol levels.
Self-reporting theranostic nanoparticles can provide real-time disease monitoring and tracking. The emerging field of responsive theranostic nanoparticles has the potential to advance imaging platforms and improve disease diagnosis.
Scientists at the University of Michigan found that injecting nanoparticles can redirect neutrophil immune cells away from an injury site, reducing inflammation. This discovery could lead to new treatments for acute lung injuries, sepsis, and atherosclerosis.
Researchers at KAUST developed a solvent-free synthesis method for metal-sulfide nanoparticles using thiourea. The new method produces controllable composition and size of nanoparticles, with potential applications in electrical, optical, and chemical devices.
A new study finds that a 70-year-old malaria drug can block immune cells in the liver, allowing nanoparticles to reach cancer cells. The research showed improved drug delivery to breast tumors and accumulation in mouse tumors and lungs.
Researchers developed a way to control polymer molecule shape, leading to non-spherical nanoparticles that can encapsulate drugs. These natural-shaped plastic nanoparticles have shown preliminary evidence of entering tumor cells more easily than spherical ones.
Researchers from Kumamoto University developed a method to activate silver nanoparticle antibacterial properties at will. Pulsed laser irradiation transformed the shape of gold-coated silver nanoparticles, increasing their antibacterial activity against E. coli.
Researchers developed a new method to create novel nanoporous materials with unique optical, magnetic, electronic and catalytic properties. The technique allows for the creation of tunable nanoporous materials with varying pore sizes by changing the composition of nanoparticles and liquids.
The study confirms Einstein's theoretical analysis of Brownian motion by observing the Kramers turnover in levitated nanoparticles. The researchers found that the transition rate between states depends on friction and grows with decreasing friction before decreasing again at low friction levels.
A team of scientists from UC Santa Barbara tested the effect of sulfurized nano-zero-valent iron on a common freshwater alga and found that it picked up cadmium and alleviated toxicity. Organic material produced by the algae mitigated the nanoparticle's toxicity, allowing for greater remediation.
Scientists at Chalmers University of Technology have created a new method to map individual nanoparticles, allowing for improved nanomaterials and safer technologies. The discovery paves the way for the development of more efficient hydrogen detectors and other applications.
Scientists have developed intelligent nanoparticles that can heat cancer cells to a high temperature, but then self-regulate and lose heat before causing harm to healthy tissue. This breakthrough could lead to a more effective treatment method for cancer patients.
Researchers from Lomonosov Moscow State University developed a new technique to detect volatile compounds, including chlorine, using metallic nanoparticles. The method combines optical detection with dynamic gas extraction and shows high sensitivity without sample preparation.
Researchers successfully deliver platinum-based chemotherapy drugs via nanoparticles to treat nonmuscle-invasive bladder cancer, reducing systemic absorption and toxicity. The study offers a potential less toxic clinical alternative to standard chemotherapy.
This study investigates the early stages of antibacterial damage caused by Silver and Copper-based nanoparticles on Gram-negative Pseudomonas aeruginosa. TEM and STEM-HAADF techniques reveal changes in bacterial structure, including adhesion, penetration, and damage to cellular components.
Scientists at ETH Zurich have developed a method to monitor lipolysis in real-time by analyzing exhaled acetone during exercise. The new breath test can detect when the body starts burning fat, allowing athletes to optimize their training regimen.
Researchers developed combined photoacoustic imaging and photothermal therapy using Bilirubin (BR) nanoparticles, showing high biocompatibility and outstanding therapeutic effects. The technology has the potential to improve cancer diagnosis and treatment outcomes.
Researchers at Berkeley Lab have created a new two-dimensional film that can direct non-mixing liquids into exotic architectures, offering potential for soft robotics, liquid circuitry and energy conversion. The 'bijel' substance is made of polymers and nanoparticles and has been simplified to be easier to produce.
Researchers at HRL Laboratories successfully 3D print high-strength aluminum alloys, including Al7075 and Al6061, overcoming a long-standing challenge in additive manufacturing. Their nanoparticle functionalization technique prevents hot cracking and retains alloy strength.
A team of scientists has developed a new method for producing non-iridescent, bright structural colors inspired by the iridescence of bird feathers. The process uses a simple one-pot reverse emulsion technique to create supraballs with high color saturation and brightness.
A new medicated skin patch has been developed that can transform white fat into brown fat locally, increasing metabolism and reducing fat. The patch was tested in obese mice with significant results, including a 20% reduction in treated side fat and lower fasting blood glucose levels.
Researchers have developed multifunctional nano-sized drug carriers based on reactive polypept(o)ides, which can be manipulated to control their morphology and function. These carriers exhibit stable circulation behavior and show promise for immunotherapy of malignant melanoma.
A team of researchers has developed a simplified approach to directly converting methane to methanol, reducing the need for high heat and pressure. The discovery utilizes colloidal gold-palladium nanoparticles in aqueous solution under mild conditions, enabling the selective oxidation of methane to methanol.
Okinawa Institute of Science and Technology (OIST) scientists have designed a novel silicon-based anode to provide lithium batteries with increased power and better stability. The new anode, featuring nanostructured layers of silicon, improves the battery's ability to charge and deliver energy over time.
A biodegradable nanoparticle injection after a spinal cord injury prevents inflammation and scarring that inhibits repair. Mice with the treatment were able to walk better than those without, suggesting a potential new approach for human spinal cord injury treatment.
Researchers at Fred Hutchinson Cancer Center developed a nanoparticle delivery system to extend the therapeutic potential of messenger RNA, delivering gene changes to targeted cells. The 'hit-and-run' genetic programming approach can be easily scaled up for various disease applications.
Researchers eliminate almost all nanoparticle emissions from some 3-D printers using a new approach that involves enclosing the device with a HEPA filter and printing at low temperatures.
Researchers have developed a method that targets cancerous tumors with chemotherapy, delivering the drug directly to cancer cells while protecting healthy cells. The treatment uses nanoparticles and ultrasound to improve delivery, showing promising results in mice experiments.
Researchers at ITMO University have developed a new approach for printing luminescent structures using europium-doped zirconia nanoparticle ink. The ink enables the fabrication of custom holograms with high stability and durability.
Scientists have created magnetic nanobiocomposite beads that can effectively remove oxybenzone, a coral killer found in sunblock, from seawater. The beads, made from environmentally friendly materials, can capture high concentrations of oxybenzone and have shown promising results in laboratory tests.
Researchers have successfully formed and imaged tiny quasicrystals using silica nanoparticles, revealing a non-periodic yet ordered structure. The team used transmission electron microscopy to capture the growth process, which was influenced by varying concentrations of chemical compounds and mechanical stirring.
Researchers developed a minimally invasive technique using magnetism to activate specific cells in the brain, inducing bodily movements such as running and rotating. This breakthrough could lead to advances in studying and treating neurological diseases, including traumatic brain injuries, Parkinson's disease, and depression.
Research at RIT develops new precision quantum sensing solutions using levitated optomechanics, capturing data with improved accuracy. The study aims to create smaller and lighter sensors for various applications, including detecting gravitational waves and perfecting quantum computing.
Environmental scientists at Virginia Tech have discovered that burning coal produces tiny titanium oxide nanoparticles, which can be toxic to humans. These nanoparticles were found in coal ash, city streets, and even wastewater treatment plants worldwide.
Researchers at Hebrew University developed novel nanoparticles for 3D printing in water, offering tunable properties and high light sensitivity. This breakthrough enables the creation of bio-friendly structures, tailored fabrication of medical devices, and environmentally friendly additive manufacturing.
Researchers developed a new non-toxic contrast agent for magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA), surpassing gadolinium's limitations. The agent, PEG-IONCs, demonstrated high biocompatibility in rabbits, beagle dogs, and macaque monkeys, showing promise as a next-generation diagnostic tool.
Researchers at Tokyo Institute of Technology developed a method to synthesize microscopic alloy nanoparticles using dendrimers, achieving 24 times greater oxidization activity than commercially available catalysts. The discovery opens up new possibilities for creating high-performance materials in various fields.
Researchers developed nanoparticles loaded with curcumin, a common spice compound, to target and destroy treatment-resistant neuroblastoma tumor cells. The study showed promising results in killing cancer cells while producing minimal toxicity in healthy cells.
This research reviews the use of probiotics for producing metallic nanoparticles (MNPs), which have potential applications in treating diseases and diagnosing conditions. Gold, silver, copper and zinc oxide NPs are suggested for drug delivery, antimicrobial activity, and anti-corrosive properties.
Researchers found that titanium dioxide nanoparticles can increase inflammation and damage to the intestinal mucosa in mice with colitis. Patients with colitis are recommended to avoid foods containing E171, a food additive made from titanium dioxide.
University scientists at Swansea University and Islamic Azad University have developed a new class of materials suitable agents for oil displacing in enhanced oil recovery. The nanoparticle-surfactant complexes improved oil recovery by 58% compared to 45% recovery in the presence of surfactant alone.
Researchers developed a nanoparticle-based adhesive that exhibits imaging contrast effect in CT and ultrasound, is biocompatible, and ensures accurate target localization during movement. The new glue has shown less toxicity than FDA-approved options and was successfully tested in animal models for various surgical procedures.
A University of Michigan team has created a method to add metallic nanoparticles into semiconductors with virtually no added manufacturing cost. The process enhances LED lighting efficiency and allows for precise control over the distribution of particles, potentially enabling future applications such as invisibility cloaks.