Articles tagged with Nanomaterials
A new study from MIT and Broad Institute researchers analyzed interactions between nanoparticles and nearly 500 types of cancer cells, revealing thousands of biological traits that influence cell response. The findings could help tailor drug-delivery particles to specific types of cancer.
Researchers developed a mathematical model to predict the efficiency of nanoparticle delivery into cells, particularly in stem cells. They found that nanoparticles become trapped in bubble-like vesicles, preventing them from reaching their targets.
The CREATE CARES and NTUitive initiative aims to accelerate the development of nanomaterials for various industries, reducing experimental workload and improving quality. The Accelerated Manufacturing Platform for Engineered Nanomaterials (AMPLE) project will utilize Industry 4.0 practices to scale up nanotechnology production.
Rice chemists adapt flashing process to synthesize pure boron nitride and boron carbon nitride flakes with varying degrees of carbon. The flakes show promise as an effective anticorrosive coating, protecting copper surfaces up to 92% better than traditional compounds.
A study by the German Federal Institute for Risk Assessment found that micro- and nanoplastics can be taken up by human cells, particularly those in the small intestine and liver. The absorption of these particles is influenced by their size and chemical properties.
A new nanosheet-laminated photocatalytic membrane has been successfully developed by Kobe University researchers, demonstrating excellent water permeance and photocatalytic activity. The membrane's photocatalytic properties make it easier to clean, reducing fouling and increasing its potential for tackling global environmental issues.
A comprehensive protocol for analysing nanomaterials has been introduced to support their safe use in various industries. The protocol allows researchers to determine and quantify metal-bearing nanomaterials in biological tissues and cells at trace-level concentrations.
Researchers at Osaka University have created a microfluidic system that can detect minute changes in the concentration of trace amounts of ethanol, glucose, or minerals in water using terahertz radiation. The device achieved sensitivity levels an order of magnitude better than existing microfluidic chips.
A research team from Tokyo University of Science has developed a new method to create copolymers with different metal species, which have potential uses in catalysis and drug discovery. The technique allows for controlling the composition of metal species in the resulting polymer.
Researchers anchored Mo2C nanoparticles onto MAPbI3 to enhance photocatalytic activity for hydrogen evolution. The composite exhibits superior performance, surpassing pristine MAPbI3 and Pt-deposited MAPbI3.
Researchers developed an ultrasound-guided cancer immunotherapy platform that generates systemic antitumor immunity and improves immune checkpoint blockade efficacy. The Microbubble-assisted UltraSound-guided Immunotherapy of Cancer (MUSIC) approach demonstrated complete tumor eradication rates of up to 60% in breast cancer models.
KAUST researchers have developed a method to manufacture high-performance flexible heaters using graphene domains in nanoscale-thick graphite films. The heaters can reach temperatures of several hundred degrees within seconds when applying a small voltage, and they exhibit excellent stability and cooling rates.
A new method for creating key components of solar cells, X-ray detectors, and LEDs uses water to control the growth of phase-pure perovskite crystals. This approach allows for precise tuning of crystal structures at room temperature.
Researchers at Rice University have created a 'metalens' that transforms long-wave UV-A into a focused output of vacuum UV radiation. The technology uses nanophotonics to impart a phase shift on incoming light, redirecting it and generating VUV without the need for specialized equipment.
Researchers developed efficient red emissive carbon dots (CDs) through a facile one-step solvothermal synthesis, enabling high-quality imaging in the red to NIR range. The CDs exhibited high photoluminescence quantum yield and enhanced multi-photon fluorescence when combined with bovine serum albumin.
A team of researchers has discovered that cowpea mosaic virus, when injected into a tumor, triggers a powerful immune response, preventing cancer recurrence. The unique protein shell and RNA structure of the virus activate toll-like receptors, leading to increased cytokine production and a prolonged anti-cancer response.
Researchers have developed a way to print 3D objects within a stationary volume of resin, removing the need for support structures. This technique uses triplet fusion upconversion nanocapsules to create blue light, enabling the printing of complex designs with improved efficiency and reduced material usage.
Researchers discovered that light can trigger magnetism in normally nonmagnetic materials by aligning electron spins. This breakthrough could enable the development of quantum bits for quantum computing and other applications.
Recent advances in nanomaterial-based antiviral strategies have generated promising results, including antiviral nanodrugs, drug nanocarriers, and nanovaccines. These nano-sized particles can be useful for targeted delivery of antiviral treatments, leading to improved efficacy and reduced systemic toxicity.
A team of researchers used a new computer simulation to model the electrostatic self-organization of zwitterionic nanoparticles, which are useful for drug delivery. They found that including transient charge fluctuations greatly increased the accuracy, leading to the development of new self-assembling smart nanomaterials.
Researchers at Hebrew University have discovered a new magnetic phenomenon called edge magnetism, where materials only retain magnetism on their edge. This discovery could revolutionize the production of spintronics devices, enabling the creation of ultra-thin wire magnets with curved shapes.
Researchers at Northwestern University have developed a stable and selective catalyst for breaking down polyester-based plastics into their component parts. The method uses metal-organic frameworks (MOFs) and requires only three components: plastic, hydrogen, and the catalyst.
A new magneto-electric transistor has been developed by researchers at the University of Nebraska-Lincoln and the University at Buffalo. The design can reduce energy consumption by up to 75% and retain memory in event of power loss, making it a promising alternative to silicon-based transistors.
Recent studies published in the Journal of Pharmaceutical Analysis have found applications of nanotechnology in medicine, drug research, and environmental protection. Researchers developed nanodots made of carbon using natural polysaccharides from mushrooms to detect chromium, and created nanozymes that could be used to detect drug con...
Rice University researchers have developed a customizing method for producing doped graphene with tailored structures and electronic states. The doping process adds elements to the 2D carbon matrix, making it suitable for use in nanodevices such as fuel cells and batteries.
Researchers have developed a novel platform that uses sunlight to purify oil-contaminated seawater with high energy efficiency. The approach avoids common pitfalls and can produce up to 2.4 kilograms of purified water per square meter per hour, making it a promising solution for alleviating global water scarcity.
Scientists developed a natural antibacterial texture inspired by insect wings, killing up to 70% of bacteria. The innovation aims to reduce food waste, particularly in meat and dairy exports, and extend the shelf life of packaged food.
Researchers at NC State University have developed a 'self-driving lab' that uses artificial intelligence and fluidic systems to advance our understanding of metal halide perovskite nanocrystals. The technology can autonomously dope MHP nanocrystals, adding manganese atoms on demand, allowing for faster control over properties.
Researchers have developed a simple, biodegradable ground cover that keeps soil wet longer and increases crop yields. The wax-coated sand barrier decreased soil moisture loss by up to 50-80% and improved plant growth, including increased fruit and grain production.
A study by researchers at Pusan National University has investigated the relationship between surface structures and nanoscale friction in multi-layered CVD graphene. They found that only the top-most layer of graphene was twisted with respect to the rest, affecting layer-dependent nanoscale friction.
A team of scientists led by Samuel Dunning has developed an original technique to predict and guide the ordered creation of strong, yet flexible, diamond nanothreads. The innovation allows for easier synthesis of the material, which has potential applications in space elevators, ultra-strong fabrics, and other fields.
Researchers at UCLA have created highly flexible yet mechanically robust bioelectronic membranes using van der Waals thin film technology. The membranes can be stretched and flexed over irregular geometries, making them ideal for wearable health-monitoring devices and diagnostic sensors.
Researchers at Tokyo University of Science have discovered a method to improve the crystallinity of coordination nanosheets by mixing two metal ion solutions. This approach results in higher crystallinity and improved performance in devices such as electronics and batteries. The findings open a new pathway for tuning the functional pro...
Researchers have developed an unsolved problem in microelectronics by creating the world's smallest battery, which can power tiny sub-millimeter-scale computers for about ten hours. The Swiss-roll process enables on-chip batteries for dust-sized computers with high energy density and integrability.
A new method using Monte Carlo simulations enables researchers to study radiation-sensitive soft nanomaterials in organic solvents for the first time. The technique allows for the creation of a method to test the suitability of any solvent, providing valuable insights into these dynamic systems.
Researchers at Washington State University developed a nanomaterials-engineered penetrating sealer that improved concrete's water and salt resistance by 75% and 44%, respectively. The sealer is environmentally friendly and designed to also serve as a curing aid for fresh concrete.
To survive relativistic speeds, the new sail needs to billow like a parachute, with a curved structure that can withstand hyper-acceleration. The design also incorporates nanoscale patterning to dissipate heat generated by powerful lasers, enabling faster travel times.
Researchers at Tsinghua University Press developed a nanoplatform that non-invasively eliminates solid liver cancer tumors in mice within a single five-minute dose. The treatment, which combines three mechanisms, achieves tumor eradication without perceivable side effects.
Researchers developed a self-cleaning bioplastic that repels liquids and dirt like a lotus leaf, breaking down rapidly in soil. The bioplastic is made from cheap raw materials, compostable, and suitable for fresh food and takeaway packaging.
Matthew Jones, a Rice University chemist, has won a National Science Foundation (NSF) CAREER Award to investigate the fundamental processes of nanoparticle formation. He aims to develop a mechanistic understanding of nanoparticle growth to control their size and shape, enabling advances in biomedicine, energy storage, and computing.
Scientists at UC Riverside and UCLA have engineered nanoparticles to serve as 'molecular traps' that bind to SARS-CoV-2, preventing it from attacking macrophages and inducing inflammation. The findings suggest potential therapeutic strategies for treating COVID-19-associated diseases.
A team of scientists from Korea Maritime and Ocean University has developed a novel synthesis route to produce a high-performance co-doped anode material for rechargeable seawater batteries. This breakthrough enables the creation of efficient and sustainable maritime applications, including emergency power supply for coastal nuclear pl...
University of Rochester researchers adapt excited state lifetime thermometry to extract temperatures of nanoscale materials from light emitted by nitrogen vacancy centers in single nanodiamonds. The technique allows for precise measurement of temperature changes on fast time scales and is safe for imaging sensitive nanoscale materials ...
A UCF researcher is leading a $1.5 million DARPA project to develop a highly sensitive infrared imaging system that can enhance night vision, space exploration, and healthcare diagnostics. The system will use graphene-based nano-antennas to collect light, enhancing infrared absorption by over 30 times.
A new wearable sensor has been developed using MXene nanomaterials that can detect changes in pH levels in sweat, which correlate with muscle fatigue. The device measures electrical resistance patterns in response to mechanical stress and pH changes.
Researchers have created nanoparticles that can store hydrogen, reducing the need for pressurized tanks and cooling. The discovery could enable climate-friendly fuels and production methods for airplanes, ships, and steel.
Researchers at Lawrence Berkeley National Laboratory developed a method to stabilize graphene nanoribbons and directly measure their unique magnetic properties. By substituting nitrogen atoms along the zigzag edges, they can discretely tune the local electronic structure without disrupting the magnetic properties.
Researchers at NIST developed new standards and calibrations for optical microscopes, enabling accurate measurement of microdroplet volumes smaller than 100 trillionths of a liter. They combined microscopy with gravimetry to verify results, linking their findings to fundamental constants of nature.
Researchers at Kyoto University developed nanodiamond-reinforced composite membranes to purify hydrogen from humid mixtures. The addition of positively charged nanodiamonds resolves the humidity-induced disintegration problem, making the membrane more compact and water-resistant.
Researchers outline development direction of carbon nanomaterials for cancer treatment using chemodynamic therapy. They focus on highly stable and safe nanozymes with high peroxidase-like activity and near-infrared emission properties.
Researchers at Lehigh University are working on a project funded by the Good Food Institute grant to adapt human tissue engineering techniques for growing meat in the lab. The team is developing a scaffold for meat cells to grow on and using electrochemistry, nanomaterial design, and liposomal delivery vehicles to promote fibrous growth.
Researchers have created a microcrystal that utilizes self-continuous reciprocating motion for propulsion, enabling the microrobot to move itself sustainably in water. The microrobots exhibited different styles of propulsion and were affected by fin length, ratio, and elevation angle.
Scientists from City University of Hong Kong successfully developed battery-like electrochemical Nb2CTx MXene electrodes with stable voltage output and high energy density. The findings break the performance bottleneck of MXene devices, exhibiting superior rate capability, durable cyclic performance, and high energy density.
Researchers used a new X-ray technique to identify substances quietly eating away at the Mary Rose's timbers, contributing to its decay. The technique, developed by Kirsten Marie Ørnsbjerg Jensen, allows for better preservation of cultural artefacts and archaeological relics.
A research team discovered a quantum confinement effect in a 3D-ordered macroporous structure of BiVO4, enabling hydrogen production under visible light. The study found that the 3DOM structure had higher photocatalysis efficiency and produced more oxygen than its plate-like counterpart.
A RMIT-led collaboration demonstrates large in-plane anisotropic magnetoresistance (AMR) in monolayer WTe2, a quantum spin Hall insulator. The team successfully fabricates devices and observes typical transport behaviors, showing promise for future low-energy electronics.
Scientists fabricate 1D and 2D boron sulfide (BS) nanosheets with unique electronic properties that can be controlled by changing the number of layers. The bandgap energy decreases as more layers are added, making BS a potential n-type semiconductor material.
A graphene-based nanoelectromechanical periodic array has been demonstrated, showing a large number of quasi-continuous resonance modes over a wide tunable frequency range. The device's frequency can be adjusted by applying an electric field to the graphene material.
Researchers at Osaka Prefecture University create a high-capacity Li2S-based positive electrode using an oxidation-tolerant solid electrolyte, bringing all-solid-state batteries closer to reality. The study found that the electrochemical window of solid electrolytes must exceed 0.2V for high energy capacity.
A team of researchers from Japan has developed a platform using nanofibers to capture and control the migration of brain tumor cells, including glioblastoma multiforme. The study found that varying fiber densities can slow or speed up cell movement, leading to the creation of 'cell traps' that can restrict tumor cell growth.