The DOE’s Office of Science is supporting research and facilities that improve the fundamental understanding of chemistry and physics essential to these technologies. Research into nanoparticles, two-dimensional materials, and metal-organic frameworks is setting the foundation for sensors that are cheaper, more efficient, and more sensitive than current technologies.
A promising discovery for advanced cancer therapy reveals that the efficiency of drug delivery in DNA nanostructures depends on their shapes, say researchers at Missouri University of Science and Technology and the University of Kansas in a scientific paper published today (March 21, 2018).
Northwestern University researchers have discovered a new approach for creating important new catalysts to aid in clean energy conversion and storage. The method also has the potential to impact the discovery of new optical and data storage materials and catalysts for higher efficiency processing of petroleum products at lower cost. The researchers created a catalyst that is seven times more active than state-of-the-art commercial platinum by combining theory, a new tool for synthesizing nanoparticles and more than one metallic element.
A research team at the University of Delaware has developed technology to program strands of DNA into switches that turn proteins on and off. This technology could lead to the development of new cancer therapies and other drugs.
n a new study, researchers from the U.S. Department of Energy’s Argonne and Brookhaven National Laboratories observed the formation of two kinds of defects in individual nanowires, which are smaller in diameter than a human hair.
EVANSTON - A Northwestern University team has leveraged super material graphene to develop a new hair dye that is non-toxic, non-damaging and lasts through many washes without fading.
When noble metals are treated with an aliphatic thiol, a uniform monolayer self-assembles on the surface; this phenomenon is interesting because the conducting molecules produce unique quantum properties that could be useful in electronics. Attempts to measure the current across this thin skim have yielded varied results, but researchers in France developed a stable mechanical setup to measure conductance across individual molecules with greater success. The results are in this week’s Journal of Applied Physics.
UCLA scientists have developed a new method that utilizes microscopic splinter-like structures called “nanospears” for the targeted delivery of biomolecules such as genes straight to patient cells. These magnetically guided nanostructures could enable gene therapies that are safer, faster and more cost-effective.
Spin caloritronics explores how heat currents transport electron spin, and researchers are particularly interested in how waste heat could be used to power next-generation spintronic devices. The thermally driven transport application of spin caloritronics is based on the Seebeck effect; researchers in China have theoretically exposed the fundamental aspects of this thermal transport along double-stranded DNA molecules. They reported their findings in the Journal of Applied Physics.
Javier Vela of Iowa State University and the Ames Laboratory has worked with two of his graduate students to synthesize a new material for semiconductors. The chemists think the material will work well in solar cells, but without the toxicity, scarcity or costs of other semiconductors.
A scientific team led by the Department of Energy’s Oak Ridge National Laboratory has found a new way to take the local temperature of a material from an area about a billionth of a meter wide, or approximately 100,000 times thinner than a human hair.
One major problem in treating cancer is identifying the location of small tumors and treating them before they metastasize.
For the first time, scientists at Wake Forest Baptist Medical Center have been able to measure a specific molecule indicative of osteoarthritis and a number of other inflammatory diseases using a newly developed technology.
Scientists with the University of Chicago and Cornell revealed a technique to "sew" two patches of crystals seamlessly together at the atomic level to create atomically-thin fabrics. This could lead to better solar cells and other electronics with new functions, like flexibility.
Scientists at The Scripps Research Institute (TSRI) have now shown a path to developing treatments for disease subtype CMT2D.
Electronic and structure richness arise from the merger of semiconducting molecules of carbon buckyballs and 2-D graphene.
Researchers have discovered more details about the way certain materials hold a static charge even after two surfaces separate, information that could help improve devices that leverage such energy as a power source.
Article describes use of new diagnostics to advance understanding of the plasma nanosynthesis of widely used nanoparticles.
The first direct comparison of in vitro and in vivo screening techniques for identifying nanoparticles that may be used to transport therapeutic molecules into cells shows that testing in lab dishes isn’t much help in predicting which nanoparticles will successfully enter the cells of living animals.
Using nanotechnology, a team of researchers at Washington University in St. Louis has eliminated the need for refrigeration for biomarkers used in medical diagnostic testing. The researchers recently gave their new tech a real-world test by sending it through the mail.
ORNL model could better predict tiny methylmercury pockets lurking in creek algae; engines work smarter with new fuel innovation; making narrow metallic structures to advance tiny electronics, drug delivery; certain enzymes that try to break down antibiotics may inform better drug designs for fighting resistant bacteria; current software simulations for small modular reactors upscaled to run on future supercomputers.
Engineers from the University of Maryland created a non-flammable battery from ceramic materials by using a 'melty' layer that, when cool, unites a solid-state battery.
Researchers from Argonne and Harvard University built a metasurface-based lens atop a Micro-Electro-Mechanical System (MEMS) platform. The result is a new, infrared light-focusing system that combines the best features of both technologies while reducing the size of the optical system.
Yarn weaved from carbon nanotubes monitors brain control of organ functions in rats, paves way for disease diagnosis and treatment at single nerve level.
Saint Louis University researcher Irma Kuljanishvili, Ph.D. developed a promising technique to produce nanoscale materials using simple processes.
A team of Sandia National Laboratories researchers has designed and synthesized metal-organic framework nanoparticles that glow red or near infrared for at least two days in cells. This could prove useful in tracking the spread of cancer cells.
A surprising discovery could potentially offer major advantages in speed, heat dissipation and power consumption in electronic devices.
A team of researchers from Lawrence Berkeley National Lab (Berkeley Lab) and Ohio State University have generated 3-D images from 129 individual molecules of flexible DNA origami particles. Their work provides the first experimental verification of the theoretical model of DNA origami. https://newscenter.lbl.gov/2018/02/22/imaging-individual-flexible-dna-building-blocks-3-d
Researchers have developed a highly-targeted and non-invasive drug-release method that combines a nanoscale gold particle-containing polymer coating and near-infrared light. The technology could also be used for other applications, including the sealing of internal and external injuries, and as biodegradable scaffolds for growing transplant organs.
Colossal magnetoresistance at terahertz frequencies in thin composites boosts novel memory devices operated at extremely high speed.
First known material capable of emitting single photons at room temperature and telecom wavelengths.
Engineers develop wires that penetrate neurons and measure their activity
Gel uses nanoparticles for on-demand control of droplet shapes, of interest for energy storage and catalysis.
Lens technologies have advanced across all scales, from digital cameras and high bandwidth in fiber optics to the LIGO lab instruments. Now, a new lens technology that could be produced using standard computer-chip technology is emerging and could replace the bulky layers and complex geometries of traditional curved lenses. Researchers at Harvard and Argonne National Laboratory have developed a device that integrates mid-infrared spectrum metalenses onto MEMS. They report their work in this week’s APL Photonics.
Tiny cages can trap and release inert argon gas atoms, allowing their further study and providing a new way to capture rare gases.
A new University of Chicago study shows how tiny, light-powered wires could be fashioned out of silicon to manipulate electrical signaling between neurons. Published Feb. 19 in Nature Nanotechnology, the study offers a new avenue to shed light on—and perhaps someday treat—brain disorders.
Computers have helped researchers develop a new phosphor that can make LEDs cheaper and render colors more accurately. An international team led by engineers at UC San Diego first predicted the new phosphor using supercomputers and data mining algorithms, then developed a simple recipe to make it in the lab. Unlike many phosphors, this one is made of inexpensive, earth-abundant elements and can easily be made using industrial methods. As computers predicted, the new phosphor performed well in tests and in LED prototypes.
Multiple techniques to characterize an enzyme complex shed light on how bacteria create particles and contribute to global cycles.
Nanotechnology researchers studying small bundles of carbon nanotubes have discovered an optical signature showing excitons bound to a single nanotube are accompanied by excitons tunneling across closely interacting nanotubes.
Researchers at the Technion have developed a method that could reduce the pain and cost associated with orthodontic work, while shortening the time needed to wear braces to about six months.
Engineers at Rutgers University–New Brunswick and Oregon State University are developing a new method of processing nanomaterials that could lead to faster and cheaper manufacturing of flexible thin film devices – from touch screens to window coatings, according to a new study. The “intense pulsed light sintering” method uses high-energy light over an area nearly 7,000 times larger than a laser to fuse nanomaterials in seconds.
Researchers have successfully treated a cancerous tumor using a “nano-factory” – a synthetic cell that produces anti-cancer proteins within the tumor tissue. The synthetic cell could one day be an important part in the personalized medicine trend.
In a paper published Feb. 9 in Science Advances, scientists at the University of Washington announced that they have successfully combined two different imaging methods — a type of lens designed for nanoscale interaction with lightwaves, along with robust computational processing — to create full-color images.
A pair of papers published online in two nanotechnology journals this month provide the basis for growing wafer-scale two-dimensional crystals for future electronic devices
Searching for a power outlet may soon become a thing of the past. Instead, devices will receive electricity from a small metallic tab that, when attached to the body, is capable of generating electricity from bending a finger and other simple movements. That’s the idea behind a collaborative research project led by University at Buffalo and Institute of Semiconductors (IoP) at Chinese Academy of Science (CAS).
Quantum dots are rapidly taking center stage in emerging applications and research developments, but researchers are still studying how to precisely control the growth of these nanoscale particles and their underlying quantum behavior. For instance, defects form during production of semiconductor materials, so identical dots can differ in composition from one another. To learn more about these defects, a team has demonstrated imaging of an electronically excited quantum dot at multiple orientations.
Electrical and optical engineers in Australia have designed a novel platform that could tailor telecommunication and optical transmissions. They experimentally demonstrated their system using a new transmission wavelength with a higher bandwidth capacity than those currently used in wireless communication. Reported this week in APL Photonics, these experiments open up new horizons in communication and photonics technology.
A new study finds that the manufacturing process of novel, nanocrystalline-diamond micro-anvils that can produce a pressure nearly two times greater than that found at the center of the Earth has proved to be “remarkably consistent” and demonstrates “a high level of reproducibility in fabrication.”
EVANSTON - Northwestern University’s Chad A. Mirkin and Chinese Academy of Sciences Professor Lei Jiang have been named recipients of the prestigious 2018 Nano Research Award.Mirkin is the George B. Rathmann Professor of Chemistry in the Weinberg College of Arts and Sciences and director of the International Institute for Nanotechnology (IIN) at Northwestern.
Imagine that every time you tapped out a message on your smartphone, it would create electric power instead of sapping your phone’s battery. That scenario could one day be a reality, according to a researcher at Missouri University of Science and Technology.
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