Articles tagged with Nanoparticles
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Researchers at UT Arlington have developed a method using laser technology and magnetic carbon nanoparticles to deliver drugs and genes directly into cancer cells. The new photothermal delivery method has shown promise in lab experiments, offering an alternative to viruses for gene therapy and potentially treating genetic conditions, c...
Researchers tested the effects of commercial drinks containing nanoparticles on human intestinal cells, finding that they can interfere with digestion and potentially lead to poor digestion or diarrhea. The study suggests that nanomaterials from these products may be making their way into surface water, where they could harm aquatic life.
Scientists create ultra-small nanoparticles that can bind to cancer cells using camel antibody fragments, potentially revolutionizing tumor detection. The particles successfully evade the human immune system and reach diseased cells under conditions similar to those in patients' bodies.
Researchers created a single layer of nanoparticles on a liquid surface where properties can be easily switched. The DNA-coated nanoparticles' interactions and reorganization at the lipid interface affect their properties.
Researchers at Oregon State University have successfully produced high-quality nanoparticles using microwave-assisted heating in a continuous flow reactor. This technology has the potential to revolutionize electronics manufacturing by reducing costs and improving performance.
The Princeton Plasma Physics Laboratory has received funding to study the role of plasma in nanoparticle synthesis, a process used in various applications including energy technologies and pharmaceutical products. Key researchers will investigate complex interactions between hot plasma gas and material synthesis.
The researchers designed a nanoparticle with a peptide coating to target tumor cells, allowing for efficient drug delivery. The shell is etchable, enabling the removal of excess particles using biocompatible chemicals.
Researchers bridge the size gap to study kinetic behavior of Ag nanocatalysts using SERS, providing real-time reaction information. The stepped surface of etched nanoparticles mimics sub-5-nm environment, increasing active surface atoms' participation in catalysis.
Researchers used in situ TEM to study the evolution of platinum/cobalt nanoparticles during reactions in oxygen and hydrogen gases. They found that cobalt atoms migrate to form a cobalt oxide epitaxial film, which affects catalytic performance.
Berkeley Lab researchers found that hydroxyl groups from water bind to the surface of colloidal lead sulfide nanoparticles, explaining how they achieve balance of positive and negative ions. This discovery sheds light on the surface chemistry of nanocrystals and has implications for nanoparticle synthesis.
The researchers developed a promising hybrid nanoobject for efficient two-photon fluorescence probes using gold nanoshells. The nanoshell acts as an optical antenna, enhancing the fluorescence intensity and stability of fluorescent emitters.
Researchers at the University of Illinois have designed a new nanoparticle that combines weak chemical forces to improve MRI imaging. The innovation, inspired by cell membranes, has led to clearer images and paved the way for better diagnostic tools.
UH researchers found conclusive evidence of how silicalite-1 zeolites grow, involving nanoparticle attachment and molecular addition. This breakthrough technique allows for real-time observation of surface growth.
Scientists at Ames Laboratory have developed a nanoparticle that can perform two processing functions at once for green diesel production. Using iron as the catalyst reduces costs and improves efficiency, making it a promising alternative to traditional biodiesel production methods.
A team of nanoengineers at UC San Diego created a 3D-printed hydrogel matrix to house nanoparticles, mimicking the function of the liver in sensing and capturing toxins from the blood. The device successfully neutralized pore-forming toxins, offering a potential solution for removing dangerous toxins from the blood.
Researchers developed antimicrobial edible films using pullulan and essential oils, which significantly inhibit bacterial pathogens in meat and poultry. The films provide immediate and sustained kill of bacteria, reducing the risk of foodborne illness.
A £3 million project aims to develop nanoparticles for early detection and treatment of cardiovascular diseases. The researchers will use surface enhanced Raman scattering to quantify vascular inflammation and deliver drugs directly to diseased vessels.
Researchers found graphene oxide nanoparticles more stable in groundwater and unstable in surface waters. The material's mobility in water has significant implications for its potential environmental impact. The study highlights the need for further research on the stability and transport of these engineered nanomaterials.
Researchers developed a method to measure nanoparticle degradation in real time using Förster resonance energy transfer, enabling undistorted measurements without separating particles from their environment. This can inform the design of safer and more effective nanoparticles for various medical applications.
Rice University scientists have created a nanoscale detector that checks for and reports on the presence of hydrogen sulfide in crude oil and natural gas while they're still in the ground. The detection method is sensitive enough to detect low concentrations, making it an important tool for improving safety and efficiency in oil fields.
A team of researchers has developed a novel method for repairing soft-tissue organs and tissues using aqueous solutions of nanoparticles. In vivo experiments on rats showed that the method can close deep wounds rapidly without inflammation or necrosis, and successfully repair difficult-to-suture organs such as the liver.
A new nanoparticle called Cu-Cy has been discovered to slow tumor growth in lab studies when combined with X-ray exposure. The treatment shows promise as a more efficient and cost-effective alternative to existing photodynamic therapy methods.
Adding an impurity to a two-dimensional lattice structure can create defects that settle into harmony, restoring order and creating a 'screen' to protect the rest of the material. This finding could lead to new ways of engineering materials with unique properties.
Researchers at Lund University have developed a technique using magnetically controlled nanoparticles to selectively kill cancer cells while sparing healthy tissue. This method has the potential to revolutionize cancer treatment by reducing side effects associated with traditional therapies.
Scientists have discovered a new mechanism for using light to activate drug-delivering nanoparticles, providing precise control over the release of therapeutic substances. The method employs near-infrared light from a low-power laser to heat pockets of water within non-photo-responsive polymeric nanoparticles infused with drugs.
An international team of researchers found that a nanoparticle trapped with laser light temporarily violates the second law of thermodynamics, allowing it to release heat to hotter surroundings. This rare event occurs due to the non-equilibrium state created by cooling the nanoparticle below the surrounding gas temperature.
Scientists at Harvard T.H. Chan School of Public Health have discovered a technique to accurately determine the amount of nanomaterials interacting with cells and tissues. The Volumetric Centrifugation Method (VCM) enables hazard rankings of engineered nanoparticles, enabling risk assessors to perform accurate assessments.
Researchers at Århus University used X-ray light to track the growth of tungsten oxide nanoparticles, which can be tailored for smart windows and solar cells. The study shows that nanoparticles form from octahedra units in solution and develop a predominantly ordered crystal structure as they grow.
Researchers from North Carolina State University have successfully grown vertically aligned carbon nanofibers using ambient air without toxic ammonia. This breakthrough enables the mass production of these nanofibers, which hold promise for various applications, including gene delivery tools, sensors, and batteries.
A new type of single-dose vaccine that doesn't require refrigeration is being developed to combat emerging and re-emerging diseases in remote areas. The 'nanovaccine' can be stored at room temperature for up to six months and works by triggering both humoral and cell-mediated immune responses.
Researchers embedded carbon nanotubes into chloroplasts to capture light energy by 30 percent. Plants were also modified to detect nitric oxide, a common environmental pollutant. This represents the first steps in launching plant nanobionics, a field that could turn plants into self-powered devices.
A University of Cincinnati-led team studied four distinct magnetized nanoparticle systems to determine which one works best in delivering heat directly to cancer cells. The research found that uncoated iron-oxide nanoparticles and those coated with polyacrylic acid heated quickly to temperatures sufficient to kill breast cancer cells.
University of Michigan researchers have created 'living' rotating crystals by making nanoparticles spin, which could shed light on the origin of life. The self-organizing behavior of the particles forms phase separation without direct attraction.
A Rice University lab has invented a tabletop device to evaluate the efficiency of oil and gas wells by analyzing nanoparticle movement. The device simulates the long path nanoparticles travel through deep rock formations, providing valuable information for producers.
Scientists at Princeton University have created a 3D video of a virus-like particle attempting to enter a cell, revealing unprecedented details about the interaction. The technique developed could help deliver drugs via nanoparticles and prevent viral infections.
Scientists created nanoparticles that selectively bind to abnormal immune cells causing inflammation, allowing anti-inflammatory drugs to reach them while leaving healthy ones untouched. This targeted approach shows promise for treating inflammatory diseases with fewer side effects.
Researchers aim to develop nanoparticles that target prostate cancer cells with a genotoxin drug. The nanoparticles will also promote healing in damaged blood vessels by mimicking platelets and catching circulating endothelial progenitor cells.
Researchers at Clemson University have developed sticky nanoparticles that can deliver drugs targeting damaged arteries, providing a new method to fight heart disease. The nanoparticles, coated with a sticky protein, latch onto damaged arteries and release drugs in slow fashion, reducing the need for surgical interventions.
A new design inspired by a pomegranate overcomes obstacles to using silicon anodes in lithium-ion batteries, allowing for increased storage capacity. The pomegranate-inspired electrode operates at 97% capacity after 1,000 cycles of charging and discharging.
Scientists at WashU Medicine have developed a new approach to treating muscular dystrophy, using nanoparticles loaded with rapamycin to improve recycling of cellular waste. The treatment showed significant improvements in skeletal muscle strength and cardiac function in mice with Duchenne muscular dystrophy.
Scientists at the University of Freiburg have discovered a new paradigm for targeting specific cell types using nanoparticles. They developed particles that can recognize endothelial cells through biophysical principles, allowing for precise delivery to cancer cells without changing biological addresses. This breakthrough has significa...
Researchers have developed nanoparticles that can efficiently silence target genes in the liver, showing promise for treating cancer and other diseases. The new particles, inspired by lipoproteins, achieve gene knockdown with a small amount of RNA, minimizing side effects in other tissues.
Researchers at Case Western Reserve University have developed a multifunctional nanoparticle that enables MRI to pinpoint blood vessel plaques caused by atherosclerosis. The technology is a step toward creating a non-invasive method of identifying vulnerable plaques in time for treatment.
A team of scientists designed a microchip coated with blood vessel cells to study nanoparticle accumulation in atherosclerotic arteries. The device demonstrated the ability to screen and optimize nanoparticles' design, correlating well with animal model results.
A new nanoparticle system will recruit stem cells to regenerate arterial walls, reducing complications and extending patient lives. Researchers have discovered a way to use nanoparticles to help arteries heal more effectively following surgical procedures.
Researchers at Berkeley Lab created highly sensitive tactile sensors using composite films of carbon nanotubes and silver nanoparticles, 10 times more sensitive than previous pressure sensors. These e-whiskers can be integrated into various systems to enable robots to 'see' and 'feel' their surroundings.
Researchers at MIT have developed a new transparent display system that can project images onto glass while maintaining transparency, enabling wide-angle views. The system uses nanoparticles to scatter specific wavelengths of light, allowing for clear visibility through the display.
A new approach to produce transparent projection screens has been developed by a MIT team, enabling wide viewing angle, scalability to large size, and low cost. The technology uses color-sensitive nanoparticles to create a material that lets most ambient light pass through while scattering specific colors for high-resolution images.
Researchers have built a system that converts the sun's energy into hydrogen fuel and stores it for later use, allowing for nighttime power. The 'solar fuels' system uses natural photosynthesis as inspiration and has the potential to be a major piece of the puzzle for a solar energy future.
Researchers create a system that can weigh particles as small as 0.85 attograms, opening up new possibilities for studying synthetic nanoparticles and biological components of cells. The device, known as a suspended microchannel resonator (SMR), uses a miniaturized sensor to measure the mass of particles flowing through a narrow channe...
Scientists have reproduced antiferromagnetic coupling between layers in nanoscopic materials, allowing for easy adjustment of properties without shape or composition manipulation. This discovery paves the way for miniaturization of magnetic storage and applications.
Scientists have developed a new type of molecular motor made of DNA that can transport nanoparticles along the length of a carbon nanotube. The motor uses energy from RNA molecules to fuel its movement, which is controllable and adaptable to changes in the local environment.
Researchers from the University of Houston have discovered a catalyst that can quickly generate hydrogen from water using sunlight, producing twice as much hydrogen as oxygen. The technology has potential as a clean and renewable source of energy, but its efficiency rate is still too low to be commercially viable at present.
A new study investigates the potential toxicity of nanoparticles on human immune cells, finding that eosinophils respond to nanoparticle contact. The research aims to establish standards for worker protection and regulation of nanoparticle use.
Researchers have developed nanoparticles that can be delivered orally and absorbed through the digestive tract, allowing patients to take a pill instead of receiving injections. The particles are coated with antibodies that act as a key to unlock receptors found on cells lining the intestine.
Researchers at Brigham and Women's Hospital have successfully developed nanoparticles that can be absorbed through the digestive tract, enabling targeted and convenient drug delivery. This breakthrough could one day allow patients to take a pill instead of receiving injections for conditions such as cancer and high cholesterol.
Scientists have created a new class of nano-mechanical oscillators that are ultra-sensitive to forces, including non-Newtonian gravity-like forces and quantum vacuum fluctuations. The system uses optically levitated nanoparticles in high vacuum conditions, overcoming the limitation of physical contact to a support.
A new technique uses nanoparticles and ultrasound to regulate blood sugar levels in diabetics, potentially eliminating the need for insulin injections. The method involves injecting biocompatible nanoparticles into the skin, which are then activated by a small ultrasound device to release insulin painlessly.
Kytai Nguyen, associate bioengineering professor at UT Arlington, has been elected as a fellow of the American Heart Association. Her research focuses on cellular engineering, tissue engineering, and stem cell therapies to develop new strategies for combating cardiovascular diseases.
Scientists at Oxford University have developed a technique using nanoparticles to investigate the mechanisms underlying 'mystery' cases of infertility. The method involves loading porous silica nanoparticle envelopes with compounds to identify or treat causes of infertility, demonstrating no detrimental effects on sperm function.