Sensors that work flawlessly in laboratory settings may stumble when it comes to performing in real-world conditions, according to researchers at the Department of Energy’s Oak Ridge National Laboratory.
Researchers at Penn State have developed a method to build graphene-based transistors compatible with semiconductor industry processes. This technology shows a 2-3x performance enhancement over the current approach to graphene transistors.
A new study led by University of Kentucky researchers shows a new way to precisely detect a single chemical at extremely low concentrations and high contamination.
A pioneering study to gauge the toxicity of quantum dots in primates has found the tiny crystals to be safe over a one-year period, a hopeful outcome for doctors and scientists seeking new ways to battle diseases like cancer through nanomedicine.
A carbon nanotube sponge that can soak up oil in water with unparalleled efficiency has been developed with help from computational simulations performed at the Department of Energy’s (DOE’s) Oak Ridge National Laboratory.
Vanderbilt researchers have boosted the efficiency of a novel source of white light called quantum dots more than tenfold, making them of potential interest for commercial applications.
The University of Arkansas at Little Rock has opened its new home for the Center for Integrative Nanotechnology Sciences.
Using nanotechnology, Zhanping You is paving the way for brand-new asphalt blends to fight off cracks, rutting and potholes.
Engineers at the University of Arkansas have developed a wireless health-monitoring system that gathers critical patient information, regardless of the patient’s location, and communicates that information in real time to a physician, hospital or the patient herself. The system includes a series of nanostructured, textile sensors integrated into a conventional sports bra for women and vest for men.
A team of University of North Carolina at Chapel Hill researchers developed nanoparticle carriers to successfully deliver therapeutic doses of a cancer drug that had previously failed clinical development due to pharmacologic challenges.
First-a-kind Nanocomposite will be tested in animal teeth and human volunteers next. University of Maryland offers license for the new technology.
The cells that line the pipes leading to the heart pull more tightly together in areas of fast-flowing blood. The discovery could help to reduce vascular leakage and better treat heart disease.
Scientists at USC have developed a potential pathway to cheap, stable solar cells made from nanocrystals so small they can exist as a liquid ink and be painted or printed onto clear surfaces.
The boundary between electronics and biology is blurring with the first detection of ferroelectric properties in an amino acid called glycine.
Pressure-treated wood is great stuff, but the chemicals used to preserve it from decay can leach out, where they can be toxic to bugs, fungi and other hapless creatures. Now, a team of scientists is using nanotechnology to keep the chemicals inside the wood where they belong.
McGill team develops new technology that can accurately measure protein biomarkers.
Pressure surprisingly opens up the nanopores in a mineral.
A group of physicists from the University of Arkansas and other institutions have developed a technique that allows them to control the mechanical property, or strain, on freestanding graphene. By controlling the strain, they also can control other properties of this important material.
Researchers at UCLA and New York University have developed a method to detect sequence differences in individual DNA molecules by taking nanoscopic pictures of the molecules themselves.
Georgia Tech researchers are helping assess the economic impact of nanotechnology on green and sustainable growth. Their work will help evaluate the multi-billion-dollar public and private investment being made each year in research and development on nanotechnology.
UT Dallas and Virginia Tech researchers have created an undersea vehicle inspired by the common jellyfish that runs on renewable energy
Omar Manasreh, professor of electrical engineering at the University of Arkansas, has created a comprehensive guide to nanotechnology in his new textbook, Introduction to Nanomaterials and Devices.
Some 32 social scientists and researchers from around the world, including a Senior Sustainability Scholar at Arizona State University, have concluded that fundamental reforms of global environmental governance are needed to avoid dangerous changes in the Earth system. The scientists argued in the March 16 edition of the journal Science that the time is now for a “constitutional moment” in world politics.
A Florida State University researcher is developing technologies to miniaturize the first phase of a process used by pharmaceutical companies to discover new drugs. A breakthrough could ultimately lead to personalized and therefore more effective medical treatments, as well as major health care savings.
Nanocomposite electrodes being charged with electricity reveal performance advantages that could lead to longer-lasting, cheaper vehicle batteries.
Will advances in nanotechnology be a game changer for the treatment and diagnosis of cancer? Four pioneers in the field discuss where things stand and what the future holds.
Vanderbilt physicists report that they have nailed down the source of the interference inhibiting the rapid flow of electrons through graphene-based devices and found a way to suppress it.
Nanoparticles are everywhere. From cosmetics and clothes, to soda and snacks. But as versatile as they are, nanoparticles also have a downside, say researchers at Binghamton University and Cornell University in a recent paper published in the journal Nature Nanotechnology. These tiny particles, even in low doses, could have a big impact on our long-term health.
University of California, San Diego electrical engineers are building a forest of tiny nanowire trees in order to cleanly capture solar energy without using fossil fuels and harvest it for hydrogen fuel generation. Reporting in the journal Nanoscale, the team said nanowires, which are made from abundant natural materials like silicon and zinc oxide, also offer a cheap way to deliver hydrogen fuel on a mass scale.
Fazel Yavari has developed a new sensor to detect extremely small quantities of hazardous gases. The Rensselaer Polytechnic Institute doctoral student harnessed the power of the world’s thinnest material, graphene, to create a device that is durable, inexpensive to make, and incredibly sensitive.
An engineering researcher at the University of Arkansas and his colleagues at the University of Utah have discovered a new method of making nanoparticles and nanofilms to be used in developing better electronic devices, biosensors and certain types of high-powered and highly specific microscopes used for scientific research.
A University of Illinois at Chicago biologist thinks the subterranean lifestyle of the naked mole-rat may hold clues to keeping brain cells alive and functioning when oxygen is scarce, as during a heart attack. The key may lie in how brain cells regulate their intake of calcium, as reported in the Feb. 21 PLoS One.
A new study led by nanotechnology and biotechnology experts at Rensselaer Polytechnic Institute is providing important details on how proteins in our bodies interact with nanomaterials. In their new study, published in the Feb. 2 online edition of the journal Nano Letters, the researchers developed a new tool to determine the orientation of proteins on different nanostructures. The discovery is a key step in the effort to control the orientation, structure, and function of proteins in the body using nanomaterials.
Never get stranded with a dead cell phone again. A promising new technology called Power Felt, a thermoelectric device that converts body heat into an electrical current, soon could create enough juice to make another call simply by touching it.
Researchers have developed a “soft template infiltration” technique for fabricating free-standing piezoelectrically active ferroelectric nanotubes and other nanostructures from PZT – a material that is attractive because of its large piezoelectric response.
Individual atoms can make or break electronic properties in one of the world’s smallest known conductors—quantum nanowires.
A Kansas State University researcher is developing new ways to create and work with carbon nanotubes -- ultrasmall tubes that look like pieces of spaghetti or string. These carbon nanotubes have the perfect ingredients for improving laser detectors and rechargeable batteries.
Georgia Tech Professor Rigoberto Hernandez studied the movements of a spherical probe amongst static nanorods. He found that the particles sometimes diffused faster in a nematic environment than in a disordered environment. That is, the channels left open between the ordered nanorods don’t just steer nanoparticles along a direction, they also enable them to speed right through.
As the number of knee and hip joint replacements grows, nanodiamond coatings could answer problems related to metal surfaces.
Tracking and identifying metal objects can prove difficult for some radio frequency identification (RFID) systems. A patent-pending technology developed by a research team at the Center for Nanoscale Science and Engineering (CNSE) at North Dakota State University, Fargo, could solve these RFID tracking problems. The antennaless RFID tag developed at CNSE could help companies track products as varied as barrels of oil to metal cargo containers.
Atomic-level defects in graphene could be a path forward to smaller and faster electronic devices.
Graphene is the thinnest material known to science. The nanomaterial is so thin, in fact, water often doesn’t even know it’s there.
By shining infrared light on specially designed, gold-filled silicon wafers, scientists at The Methodist Hospital Research Institute have successfully targeted and burned breast cancer cells. If the technology is shown to work in human clinical trials, it could provide patients a non-invasive alternative to surgical ablation, and could be used in conjunction with traditional cancer treatments, such as chemotherapy, to make those treatments more effective.
A discovery by a research team at North Dakota State University, Fargo, and the National Institute of Standards and Technology, shows that the flexibility and durability of carbon nanotube films and coatings are intimately linked to their electronic properties and could impact flexible electronic devices such as solar cells and wearable sensors.
A team of polymer scientists and engineers has discovered how to make nano-scale repairs to a damaged surface equivalent to spot-filling a scratched car fender rather than re-surfacing the entire part. Their discovery is reported this week in the current issue of Nature Nanotechnology.
Engineering researchers at Rensselaer Polytechnic Institute have developed a new method for creating advanced nanomaterials that could lead to highly efficient refrigerators and cooling systems requiring no refrigerants and no moving parts. The key ingredients for this innovation are a dash of nanoscale sulfur and a normal, everyday microwave oven.
Engineers at UT Dallas have discovered that the new material graphene conducts heat about 20 times faster than silicon, making it an option as a semiconductor material that could produce quieter and longer-lasting computers, cellphones and other devices.
In the images of fruit flies, clusters of neurons are all lit up, forming a brightly glowing network of highways within the brain. It’s exactly what University at Buffalo researcher Shermali Gunawardena was hoping to see.
Scientists at Rensselaer Polytechnic Institute have used the capabilities of one of the world’s most powerful university-based supercomputers, the Rensselaer Center for Nanotechnology Innovations (CCNI), to uncover the properties of a promising form of graphene, known as graphene nanowiggles. What they found was that graphitic nanoribbons can be segmented into several different surface structures called nanowiggles. Each of these structures produces highly different magnetic and conductive properties. The findings provide a blueprint that scientists can use to literally pick and choose a graphene nanostructure that is tuned and customized for a different task or device. The work provides an important base of knowledge on these highly useful nanomaterials.
Vanderbilt engineers have discovered a surprising new way to increase a material’s thermal conductivity that provides a new tool for managing thermal effects in computers, lasers and a number of other powered devices.
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