Two Virginia Tech engineers have developed a new technology for controlling the motion of bacteria that produce cellulose. The invention will allow precise control of the tiny weavers so that they can be guided to shapes that will support cartilage and bone tissue growth and other complex biomaterials.
Researchers at Rensselaer Polytechnic Institute have developed a measurement technique that will help scientists and companies map nanomaterials as they grow. The discovery could help create superior nanotechnologies and lead to the development of more efficient solar panels and increased magnetic data storage.
By perfecting a technique to control the vibrations of high frequency nano-cantilevers, Canadian physicists have overcome a roadblock to using nano-electro-mechanical systems (NEMS) for digital logic and memory applications and have, taken the first sub-nanosecond mechanical measurements of NEMS.
Oregon researchers have synthesized an elusive metal-hydroxide compound in sufficient and rapidly produced yields, potentially paving the way for improved precursor inks that could boost semiconductor capabilities for large-area applications.
By manipulating the way tiny droplets of fluid dry, Cornell researchers have created an innovative way to make and pattern nanoscale wires and other devices that ordinarily can be made only with expensive lithographic tools. The process is guided by molds that "stamp" the desired structures.
Mattel Children's Hospital UCLA announced the launch of the Mattel UCLA NanoPediatrics Program, which will explore the future of personalized medicine for children, including the opportunities and risks involved. The program is one of the world's first dedicated solely to nanomedicine and pediatric patients.
Engineering researchers at the University of Arkansas have developed a neural probe that demonstrates significantly greater electrical charge storage capacity than all other neural prosthetic devices. More charge storage capacity means the device can stimulate nerves and tissues with less damage and sense neural signals with better sensitivity.
Researchers at Wake Forest University are using nanotechnology to search for new cancer-fighting drugs through a process that could be up to 10,000 times faster than current methods.
The symposium will examine the use of nano-and micro-fabrication tools and explore techniques for clinical and basic life sciences research, including the development of drug delivery systems, biosensors and fluidic devices, implantable devices, and tissue scaffolds with applications in medical diagnostics and imaging, treatment of cancer and other degenerative diseases, and in orthopedics and wound repair.
Using a lump of graphite, a piece of Scotch tape and a silicon wafer, Cornell researchers have created a balloonlike membrane that is just one atom thick -- but strong enough to contain gases under several atmospheres of pressure without popping.
Researchers at UT Southwestern Medical Center have designed a way to improve electrical stimulation of nerves by outfitting electrodes with the latest in chemically engineered fashion: a coating of basic black, formed from carbon nanotubes.
It's not every day that a research scientist and university professor gets to see his work on the silver screen. But in just a few months, Richard Siegel will get to watch his name scroll down the giant screen of a darkened IMAX theater with a new title that seems light years away from laboratory benches and lecture halls: Executive Producer.
Using a pair of microscopy instruments, researchers for the first time achieved state-of-the-art resolution of active gold nanocrystals absorbed onto iron oxide surfaces. The knowledge from this research could potentially improve the effectiveness of catalytic converters that clean automobile exhaust and breathing devices that protect miners and firefighters.
That's why a new electroplating process that simultaneously joins many silicon nanowires to many prepatterned electrodes was selected for a 2008 Nano 50 Award by Nanotech Briefs.
Scientists have detected previously unnoticed chemical signals that individual cells in the immune system use to communicate with each other over short distances. The originated in dendritic cells "“ the sentinels of the immune system "“ and were received by nearby T-cells, which coordinate attacks on agents that cause disease or infection.
In the budding field of nanotechnology, scientists already know that size does matter. But now, researchers at the University of North Carolina at Chapel Hill have shown that shape matters even more "” a finding that could lead to new and more effective methods for treating cancer and other diseases, from diabetes and multiple sclerosis to arthritis and obesity.
Oxide scales are supposed to protect alloys from extensive corrosion, but scientists at U.S. Department of Energy's Argonne National Laboratory have discovered metal nanoparticle chinks in this armor.
Ultra-miniature bialy-shaped particles "” called nanobialys because they resemble tiny versions of the flat, onion-topped rolls "” could soon be carrying medicinal compounds through patients' bloodstreams to tumors or atherosclerotic plaques. Nanobialys were developed by researchers at Washington University School of Medicine in St. Louis.
Educating the public about nanotechnology and other complex but emerging technologies causes people to become more "worried and cautious" about the new technologies' prospective benefits, according to a recent study by researchers at North Carolina State University.
Nanoparticle research by Professor Sanku Mallik and his group at North Dakota State University, Fargo, appears in the July issue of the Review of Ophthalmology in the article "Nanoparticles: Into the New Frontier."
Led by Sri Sridhar, Distinguished Professor and Chair of Physics at Northeastern University, a team of researchers from the university's Electronic Materials Research Institute has published research that has resulted in a new breakthrough in the field of nanophotonics, the study of light at the nanoscale level.
A new treatment strategy using molecular "smart bombs" to target metastasis with anti-cancer drugs leads to good results using significantly lower doses of toxic chemotherapy, with less collateral damage to surrounding tissue, according to a collaborative team of researchers at the University of California, San Diego.
Recent findings by medical researchers indicate that naturally occurring nanotubes may serve as tunnels that protect retroviruses and bacteria in transit from diseased to healthy cells "” a fact that may explain why vaccines fare poorly against some invaders. To better study the missions of these intercellular nanotubes, scientists have sought the means to form them quickly and easily in test tubes. Sandia National Laboratories researchers have now learned serendipitously to form nanotubes with surprising ease.
A new study from researchers at Rensselaer Polytechnic Institute shows that by adding an invisible layer of the nanomaterials to the bottom of a metal vessel, an order of magnitude less energy is required to bring water to boil. This increase in efficiency could have a big impact on cooling computer chips, improving heat transfer systems, and reducing costs for industrial boiling applications.
Nanotubes may protect retroviruses trying to infect human cells. This may explain why vaccines fare poorly against some invaders. Sandia researchers have learned to form similar nanotubes in test tubes to expedite study of the phenomenon.
Scientists can study the biological impacts of engineered nanomaterials on cells within the body with greater resolution than ever because of a procedure developed by researchers at the Department of Energy's Oak Ridge National Laboratory.
Carbon nanotubes, described as the reigning celebrity of the advanced materials world, are all the rage. Recently researchers at Rice University and Rensselaer Polytechnic Institute used them to make the "blackest black" "” the darkest known material, reflecting only 0.045 percent of all light shined on it.
Experimental solar cells spiked with nanowires show promise as efficient thin-film solar cells of future.
Paul Morrow, who will graduate from Rensselaer Polytechnic Institute on May 17, has come a long way from his days as an elementary school student, pulling apart his mother's cassette player. The talented young physicist has developed two innovations that could vastly improve magnetic data storage and sense extremely low level magnetic fields in everything from ink on counterfeit currency to tissue in the human brain and heart.
The future of nuclear physics is in designer isotopes -- the relatively new power scientists have to make specific rare isotopes to solve scientific problems and open doors to new technologies, according to Bradley Sherrill.
Scientists at UC San Diego, UC Santa Barbara and MIT have developed nanometer-sized "nanoworms" that can cruise through the bloodstream without significant interference from the body's immune defense system and"”like tiny anti-cancer missiles"”home in on tumors.
Since scientists first learned to make nanowires, the tiny wires just a few millionths of a centimeter thick have taken many forms, including nanobelts, nanocoils and nanoflowers.
Researchers have developed novel atomic force microscopy probes that can quickly and simultaneously measure biomolecule or material properties including adhesion, stiffness, elasticity and viscosity, in addition to the standard AFM topography scan.
NIST, in collaboration with NASA, has published detailed guidelines for making essential measurements on samples of single-walled carbon nanotubes. The new guide constitutes the current 'best practices' for characterizing one of the most promising and heavily studied of the new generation of nanoscale materials.
As useful as nanotubes may be, the process of making them may have unintentional and potentially harmful impacts on the environment.
Anyone facing chemotherapy would welcome an advance promising to dramatically reduce their dose of these often harsh drugs. Using nanotechnology, researchers at Washington University School of Medicine in St. Louis have taken a step closer to that goal.
Two Mayo Clinic researchers who study the role nanoparticles may play in hardening of the arteries and in the formation of kidney stones, will lead a symposium on how these super-small particles may affect the body's physiology. The symposium will take place April 8 at the Experimental Biology conference in San Diego.
Valued for its antibacterial and odor-fighting properties, nanoparticle silver is becoming the star attraction in a range of products from socks to bandages to washing machines. But as silver's benefits propel it to the forefront of consumer nanomaterials, scientists are recommending a closer examination of the unforeseen environmental and health consequences of nanosilver.
One day soon a biosensing nanodevice developed by Arizona State University researcher Wayne Frasch may eliminate long lines at airport security checkpoints and revolutionize health screenings. Even more incredible than the device itself, is that it is based on the world's tiniest rotary motor: a biological engine measured on the order of molecules.
Wake Forest University's Center for Nanotechnology and Molecular Materials will host a gathering of scientists, engineers and medical researchers at a workshop that will explore both the science and the emerging business of nanomaterials used in medicine.
Researchers at Rensselaer Polytechnic Institute have created a road map that brings academia and the semiconductor industry one step closer to realizing carbon nanotube interconnects, and alleviating the current bottleneck of information flow that is limiting the potential of computer chips in everything from personal computers to portable music players.
In yet another twist on the strangeness of the nanoworld, researchers at the National Institute of Standards and Technology (NIST) and the University of Maryland-College Park have discovered that materials such as silica that are quite brittle in bulk form behave as ductile as gold at the nanoscale. Their results may affect the design of future nanomachines.
A new microscope design allows nanotechnology researchers at the National Institute of Standards and Technology (NIST) to track the motions of nanoparticles in solution as they dart around in three dimensions. The researchers hope the technology, which NIST plans to patent, will lead to a better understanding of the dynamics of nanoparticles in fluids and, ultimately, process control techniques to optimize the assembly of nanotech devices.
Physicists at the Georgia Institute of Technology have made important findings regarding gold on the nanoscale. They found that gold in this size regime can be made magnetic through oxygenation of gold nanowires. They also found that up to a certain length, oxygenated gold nanowires behave as a conducting metal, but beyond that, they become insulators.
Chemists at NIST have been the first to measure significant amounts of copper incorporated into zinc oxide nanowires during fabrication - a measurement important to optimizing optical and electrical properties of the nanowires.
Researchers at Rensselaer Polytechnic Institute have demonstrated that liquids embedded with nanoparticles show enhanced performance and stability when exposed to electric fields. The finding could lead to new types of miniature camera lenses, cell phone displays, and other microscale fluidic devices.
Georgia Tech and Emory University researchers have created a technology based on astronomy software that provides more precise images of single molecules tagged with nanoprobes. The clearer images allow researchers to collect more detailed information about a single molecule, such as how the molecule is binding in a gene sequence.
New measurements by NIST materials scientists have uncovered an intriguing wrinkle in the use of carbon nanotubes to make electrically conducting plastics. The electrical properties of the composite can be tuned from being a conductor to a non-conductor by a simple change in processing - speeding up the molten polymer flow.
Sculpting a surface composed of tightly packed nanostructures that resemble tiny nails, University of Wisconsin-Madison engineers and their colleagues from Bell Laboratories have created a material that can repel almost any liquid.
Chemists from UALR,and developed a procedure for creating highly pure carbon nanotubes needed for the development of the next generation of electronic devices. The discovery could break the scientific bottleneck keeping electronic devices from shrinking to the nanoscale .
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