Toxicologists are presenting information on the uses of nanotechnology in food and food packaging and the current efforts to assure the safe development of the technology at the Society of Toxicology (SOT) 53rd Annual Meeting and ToxExpo in Phoenix, Ariz.
For the first time, physicists have demonstrated that information can flow through a diamond wire.
An ultra-fast and ultra-small optical switch has been invented that could advance the day when photons replace electrons in the innards of consumer products ranging from cell phones to automobiles.
University of Washington scientists have built the thinnest-known LED that can be used as a source of light energy in electronics. The LED is based off of two-dimensional, flexible semiconductors, making it possible to stack or use in much smaller and more diverse applications than current technology allows.
A new kind of single-dose vaccine that comes in a nasal spray and doesn’t require refrigeration could dramatically alter the public health landscape — get more people vaccinated around the world and address the looming threats of emerging and re-emerging diseases. Researchers presented the latest design and testing of these “nanovaccines” at the 247th National Meeting & Exposition of the American Chemical Society (ACS), the world’s largest scientific society.
Brain sensors and electronic tags that dissolve. Boosting the potential of renewable energy sources. These are examples of the latest research from two pioneering scientists selected as this year’s Kavli lecturers at the 247th National Meeting & Exposition of the American Chemical Society, the world’s largest scientific society.
When cancer spreads, it becomes even more deadly. It moves with stealth and can go undetected for months or years. But a new technology that uses “nano-flares” has the potential to catch these tumor cells early. Today, at the 247th National Meeting & Exposition of the American Chemical Society, scientists presented the latest advances in nano-flare technology as it applies to the detection of metastatic breast cancer cells.
Combined use of iron oxide nanoparticles and an alternating magnetic field can induce local hyperthermia in tumors in a controlled and uniform manner. Our results Induced anti-tumor immune response that reduced the risk of recurrence and metastasis.
Using tiny particles designed to target cancer-fighting immune cells, Johns Hopkins researchers have trained the immune systems of mice to fight melanoma, a deadly skin cancer. The experiments represent a significant step toward using nanoparticles and magnetism to treat a variety of conditions, the researchers say.
Physicists have found that platinum nanoparticles limit their size and organize into specific patterns when bonded to freestanding graphene.
Researchers from the cancer nanotechnology and signal transduction and therapeutics programs of UCLA’s Jonsson Comprehensive Cancer Center have developed an innovative technique that can carry chemotherapy safely and release it inside cancer cells when triggered by two-photon laser in the infrared red wave length.
A research team has demonstrated the world's fastest silicon-based device to date. The investigators operated a silicon-germanium (SiGe) transistor at 798 gigahertz (GHz) fMAX, exceeding the previous speed record for silicon-germanium chips by about 200 GHz.
One factor that makes glioblastoma cancers so difficult to treat is that malignant cells from the tumors spread throughout the brain by following nerve fibers and blood vessels to invade new locations. Now, researchers have learned to hijack this migratory mechanism, turning it against the cancer by using a film of nanofibers thinner than human hair to lure tumor cells away.
New MIT nanoparticles offer best-ever gene silencing, could help treat liver diseases
Researchers at Washington University School of Medicine in St. Louis have demonstrated a new approach to treating muscular dystrophy. Mice with a form of this muscle-weakening disease showed improved strength and heart function when treated with nanoparticles loaded with rapamycin, an immunosuppressive drug recently found to improve recycling of cellular waste.
Using electrons more like photons could provide the foundation for a new type of electronic device that would capitalize on the ability of graphene to carry electrons with almost no resistance even at room temperature – a property known as ballistic transport.
An ingenious new technique may open up new vistas for scientists seeking to understand health and disease at the most fundamental level.
Scientists have engineered a microchip coated with blood vessel cells to learn more about the conditions under which nanoparticles accumulate in the plaque-filled arteries of patients with atherosclerosis, the underlying cause of myocardial infarction and stroke.
A Kansas State University engineer has made a breakthrough in rechargeable battery applications.
Researchers at New York University have developed a method for creating and directing fast moving waves in magnetic fields that have the potential to enhance communication and information processing in computer chips and other consumer products.
Nanoparticles are used in all kinds of applications — electronics, medicine, cosmetics, even environmental clean-ups. More than 2,800 commercially available applications are now based on nanoparticles, and by 2017, the field is expected to bring in nearly $50 billion worldwide. But this influx of nanotechnology is not without risks, say researchers at Missouri University of Science and Technology.
Scientists from McGill University and Sandia National Laboratories have succeeded in conducting a new experiment that supports the existence of the long-sought-after Luttinger liquid state.
As smartphones, tablets and other gadgets become smaller and more sophisticated, the heat they generate while in use increases. This is a growing problem because it can cause the electronics inside the gadgets to fail.
Physicists have engineered novel magnetic and electronic phases in the ultra-thin films of magnetic material, opening the door for researchers to design new classes of material.
A University of Arkansas physicist and his collaborators have demonstrated the capability of measuring temperature changes in very small 3-D regions of space.
New report in Nature Communications by Icahn School of Medicine at Mount Sinai shows their new statin nanotherapy can target high-risk inflammation inside heart arteries that causes heart attacks or stroke.
New device from MIT can measure masses as small as one millionth of a trillionth of a gram, in solution.
Researchers have pioneered a new technique for forming a two-dimensional, single-atom sheet of two different materials with a seamless boundary.
University of Washington engineers hope a new type of vaccine they have shown to work in mice will one day make it cheaper and easy to manufacture on-demand vaccines for humans. Immunizations could be administered within minutes where and when a disease is breaking out.
Researchers have developed a technique for creating nanoparticles that carry two different cancer-killing drugs into the body and deliver those drugs to separate parts of the cancer cell where they will be most effective.
Researchers have developed a way to microscopically view battery electrodes while they are bathed in wet electrolytes, mimicking realistic conditions inside actual batteries.
In a study published in the journal Chemical Communications, scientists at the U.S. Department of Energy’s Brookhaven National Laboratory, Stony Brook University, and Syracuse University show that shrinking the core of a quantum dot can enhance the ability of a surrounding polymer to extract electric charges generated in the dot by the absorption of light.
By taking advantage of the unique electronic properties of the material known as graphene, researchers now believe they’re on track to connect networks of nanomachines powered by small amounts of scavenged energy.
Nanosponges that soak up a dangerous pore-forming toxin produced by MRSA (methicillin-resistant Staphylococcus aureus) could serve as a safe and effective vaccine against this toxin. This “nanosponge vaccine” enabled the immune systems of mice to block the adverse effects of the alpha-haemolysin toxin from MRSA—both within the bloodstream and on the skin. Nanoengineers from the University of California, San Diego described the safety and efficacy of this nanosponge vaccine in the December 1 issue of Nature Nanotechnology.
Richard Martel and his research team at the Department of Chemistry of the Université de Montréal have discovered a method to improve detection of the infinitely small. Their discovery is presented in the November 24 online edition of the journal Nature Photonics.
Researchers from the Koch Institute for Integrative Cancer Research at MIT, Brigham and Women’s Hospital, and MIT's Department of Mechanical Engineering design drug-carrying nanoparticles that can be taken orally.
A UWM study has found that intrinsic ripples form on a sheet of graphene when it is placed on top of a semiconductor. The ripples further change the Schottky barrier height, affecting electron transport.
A 1700-year-old Roman glass cup is inspiring University of Adelaide researchers in their search for new ways to exploit nanoparticles and their interactions with light.
A team of Columbia Engineering researchers, led by Mechanical Engineering Professor James Hone and Electrical Engineering Professor Kenneth Shepard, has taken advantage of graphene’s special properties—its mechanical strength and electrical conduction—and created a nano-mechanical system that can create FM signals, in effect the world’s smallest FM radio transmitter. The study is published online on November 17, in Nature Nanotechnology.
A pair of carbon nanotube arrays will be flying in space by the end of the year to test technology that could provide more efficient micro-propulsion for future spacecraft. The arrays will support what is expected to be the first-ever space-based testing of carbon nanotubes as electron emitters.
A new nanotechnology for drug delivery that could greatly improve the treatment of deadly pancreatic cancer has been proven to work in mice at UCLA’s Jonsson Comprehensive Cancer Center.
Technion scientists have moved a step closer to creating custom medical treatment plans based on a patient's DNA, pinpointing the root of a patient's illness and making sure treatment will not cause a fatal allergic reaction.
Nanoscale images, presented at the AVS Meeting in Long Beach, Calif., may provide ‘hole’ story on pore-making antibiotic peptides
Microbeam radiation therapy (MRT) provides tremendous promise for cancer patients through its ability to destroy tumor cells while protecting surrounding healthy tissue. Yet research into its clinical use has been limited by the sheer size of the technology required to generate the beams. Until now, administering MRT required massive electron accelerators known as synchrotrons. But with a new microbeam emitter developed at the University of North Carolina at Chapel Hill, the technology has been scaled down, opening the doors for clinical research.
Columbia Engineering researchers have developed a new approach to designing novel nanostructured materials through an inverse design framework using genetic algorithms. The study, published in PNAS’s October 28 Early Online edition, is the first to demonstrate the application of this methodology to the design of self-assembled nanostructures, and could help speed up the materials discovery process. It also shows the potential of machine learning and “big data” approaches.
Nanotechnologies are growing in commercial use after more than 20 years of research. This new resource gives the public the best available look at more than 1,600 manufacturer-identified, nanotechnology-based consumer products introduced to the market.
Nanoscale engineering boosts performance of quantum dot light emitting diodes
On October 22, JoVE, the Journal of Visualized Experiments will publish a novel technique to confront the problem of antibiotic resistance.
The David H. Koch Professor in Engineering Paula Hammond and her team have designed layer-by-layer nanoparticles that disable tumors’ defenses and make them much more vulnerable to chemotherapy.
Researchers at the University of California, San Diego School of Medicine have discovered a way to effectively deliver staurosporine (STS), a powerful anti-cancer compound that has vexed researchers for more than 30 years due to its instability in the blood and toxic nature in both healthy and cancerous cells.
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