By folding snippets of DNA into the shape of a five-pointed star using structural DNA nanotechnology, researchers have created a trap that captures Dengue virus as it floats in the bloodstream. Once sprung, the trap lights up. in the most sensitive test for the mosquito-borne diseases yet devised.
A team led by Cornell University physics professors Itai Cohen and Paul McEuen is using the binding power of magnets to design self-assembling systems that potentially can be created in nanoscale form.
University of South Australia biomedical engineer Dr Marnie Winter has been awarded US$100,000 from the world’s largest private foundation to help better understand and tackle a condition which kills 76,000 women and 500,000 babies each year.
The University of Arkansas at Little Rock announced a $750,000 grant from the U.S. Department of Defense to support the development of potentially life-saving bone regeneration technology during a Nov. 15 visit from Sen. John Boozman. The visit celebrated on-campus research initiatives that the senator championed for federal support.
A recent Columbia Engineering study demonstrates a new way to tune the properties of 2D materials simply by adjusting the twist angle between them. The researchers built devices consisting of monolayer graphene encapsulated between two crystals of boron nitride and, by adjusting the relative twist angle between the layers, they were able to create multiple moiré pattern—“the first time anyone has seen the full rotational dependence of coexisting moiré superlattices in one device.”
Scientists at Berkeley Lab have revealed how atomic defects emerge in transition metal dichalcogenides, and how those defects shape the 2D material’s electronic properties. Their findings could provide a versatile yet targeted platform for designing 2D materials for quantum information science.
A "do-it-yourself" model can help healthcare trainees to learn the essential skill of chest tube placement in critically ill newborns, reports a study in the October issue of Advances in Neonatal Care, official journal of the National Association of Neonatal Nurses. The journal is published in the Lippincott portfolio by Wolters Kluwer.
Two high school students developed software to analyze images of diatoms—algae that produce silicon for constructing cell walls—to determine the differences between wild and genetically modified strains of these organisms. This work was instrumental to a research team interested in optimizing diatoms for biomineralization, the process of making materials from biological systems.
The metallic thin films with 3-D interlocking nanostructures could be used in catalysis, energy storage, and biomedical sensing.
Researchers reporting in ACS Nano have developed self-assembling liquid crystal microlenses that can reveal 4D information in one snapshot.
Israeli researchers have developed new technology for transporting drugs within silicon nanostructures to the brain. These nanostructures release an essential protein, which can inhibit the development of Alzheimer's disease, and provide targeted delivery in the brain with the use of a “gene gun.”
Argonne scientists have discovered an intriguing new behavior in a two-dimensional material at the atomic level as it is stretched and strained, like it would be in an actual flexible device.
Scientists have reported a new approach to treating lung cancer with inhaled nanoparticles developed at Wake Forest School of Medicine, part of Wake Forest Baptist Health.
Rutgers engineers have embedded high performance electrical circuits inside 3D-printed plastics, which could lead to smaller and versatile drones and better-performing small satellites, biomedical implants and smart structures. They used pulses of high-energy light to fuse tiny silver wires, resulting in circuits that conduct 10 times more electricity than the state of the art, according to a study in the journal Additive Manufacturing. By increasing conductivity 10-fold, the engineers can reduce energy use, extend the life of devices and increase their performance.
ORNL and NREL took demonstrated a miniaturized gyroscope. ORNL created and tested new wireless charging designs. If humankind reaches Mars this century, an ORNL-developed experiment testing advanced materials for spacecraft may play a key role. ORNL and Georgia Tech found that critical interactions between microbes and peat moss break down under warming temperatures. ORNL and industry demonstrated that an additively manufactured hot stamping die can withstand up to 25,000 usage cycles.
Researchers have adapted optical tweezers, a light-based technology employed widely in biology, to operate in a water-free liquid environment of organic solvents. The optical tweezers act as a light-based "tractor beam" that can assemble nanoscale semiconductor materials into larger structures.
An international team of researchers has used nanoparticles to deliver a drug—one that previously failed in clinical trials for pain—into specific compartments of nerve cells, dramatically increasing its ability to treat pain in mice and rats. The findings are published Nov. 4 in Nature Nanotechnology.
From tires to clothes to shampoo, many ubiquitous products are made with polymers, large chain-like molecules made of smaller sub-units, called monomers, bonded together. Now, a team of researchers from UD and UPenn has created a new fundamental unit of polymers that could usher in a new era of materials discovery.
A team used the Summit supercomputer to simulate a 10,000-atom magnesium dislocation system at 46 petaflops, a feat that earned the team an ACM Gordon Bell Prize finalist nomination and could allow scientists to understand which alloying materials to add to improve magnesium alloys.
A team simulated a 10,000-atom 2D transistor slice on the Summit supercomputer and mapped where heat is produced in a single transistor. Using a new data-centric version of the OMEN nanodevice simulator, the team sustained the code at 85.45 petaflops and earned a Gordon Bell Prize finalist nomination.
Researchers from the National University of Singapore have developed a method to give more control to optogenetics, by using specially designed nanoparticles and nanoclusters (dubbed ‘superballs’). These nanoparticles and superballs can emit different colours of light when excited by lasers at different wavelengths. These different colours of light can then be used to trigger specific biological processes.
Feature wraps-up wide-ranging PPPL talks on fusion and plasma science at the 61st American Physical Society-Department of Plasma Physics conference.
A new type of micromotor—powered by ultrasound and steered by magnets—can move around individual cells and microscopic particles in crowded environments without damaging them. In one demonstration, a micromotor pushed around silica particles to spell out letters. Researchers also controlled the micromotors to climb up microsized blocks and stairs, demonstrating their ability to move over three dimensional obstacles.
A team of scientists led by the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) has gained valuable insight into 3D transition metal oxide nanoparticles’ natural “edge” for 2D growth.
Houston Methodist researchers are studying Italian sports car maker Automobili Lamborghini’s carbon fiber materials in space.
A cooperative research center that aims to develop vaccines for chlamydia has been established by the National Institutes of Health at Lawrence Livermore National Laboratory (LLNL). The center includes two University of California campuses – Irvine and Davis.
A multi-institutional collaboration reports a catalytic method for selectively converting discarded plastics into higher quality products. The team included Argonne National Laboratory, Ames Laboratory, Northwestern University and three other universities.
Researchers reporting in ACS Central Science have developed a catalyst that can transform polyethylene –– the type of plastic used to make grocery bags –– into high-quality liquid products, such as motor oils and waxes.
Shape affects how the particles fit together and, in turn, the resulting material. For the first time, a team observed the self-assembly of nanoparticles with tetrahedral shapes.
Scientists at Lancaster University and the University of Oxford have created a nano-electronic circuit which vibrates without any external force.
Chih-hung Chang, professor of chemical engineering at Oregon State University, manipulates nanostructure materials for a variety of applications, including more efficient solar cells; wearable technology that monitors health and warns of environmental dangers; and nanoparticle inks that print components of electric circuits, such as conductors, semiconductors, and insulators.
Argonne researchers find that semiconductor nanoparticles in the shape of rings have attractive properties for quantum networking and computation.
A new liquid-cell technology allows scientists to see biological materials and systems in three dimensions under an electron microscope (EM), according to researchers at Penn State, Virginia Tech and Protochips Inc
In a first-of-its-kind study, researchers have shown that nanoparticles may have a bigger impact on the environment than previously thought. This is the first report of non-antibacterial nanoparticles causing resistance in bacteria.
A team of researchers at the Georgia Institute of Technology has developed a new process that could help gain new insights into individual high-entropy alloys and help characterize their properties.
In the latest issue of Science, a team of Lawrence Livermore National Laboratory researchers describe a breakthrough in nanoscale 3D printing, developing a scalable method of nanofabrication up to 1,000 times faster than any previous method has accomplished, without sacrificing resolution, potentially opening the door to cost-effective, largescale 3D nanoprinting.
A team of scientists has made the strongest silver ever—42 percent stronger than the previous world record. It's part of a discovery of a new mechanism at the nanoscale that can create metals much stronger than any ever made before—while not losing electrical conductivity.
Single atom catalysts are highly desirable, but difficult to stabilize. Argonne scientists are part of a team that is using repeated high temperature shockwaves to synthesize high-stability and high-efficiency single atom catalysts.
Quantum computing has the potential to revolutionize technology, medicine, and science by providing faster and more efficient processors, sensors, and communication devices.
By using sound waves, scientists have begun to explore fundamental stress behaviors in a crystalline material that could form the basis for quantum information technologies.
Technical sessions at this year’s conference centered around four thematic areas: Autonomous Systems, Nanophotonics and Plasmonics, Virtual Reality and Augmented Vision, as well as Quantum Technologies.
Combining new classes of nanomembrane electrodes with flexible electronics and a deep learning algorithm could help disabled people wirelessly control an electric wheelchair, interact with a computer or operate a small robotic vehicle without donning a bulky hair-electrode cap or contending with wires.
Reversing baldness could someday be as easy as wearing a hat, thanks to a noninvasive, low-cost hair-growth-stimulating technology developed by engineers at the University of Wisconsin–Madison.
The sciences and the arts are often seen as polar opposites. But a conversation between a scientist, artists, and composers held at the Parrish Art Museum in Water Mill, NY, on the evening of Sept. 6, 2019 showed how these fields can be combined to create beautiful visuals and sounds based on real scientific data. The conversation was the second installment of PubSci at the Parrish, a spin-off of PubSci—the science café and conversation series of Brookhaven National Lab.
Proteins keep our organs functioning, egulate our cells and are the targets for medications that treat a number of diseases, including cancers and neurological diseases. Proteins need to move in order to function. But, because the technology they used to watch proteins doesn't allow it, scientists still know very little about such motions at speeds slower than a nanosecond.
Quantum computing harnesses enigmatic properties of small particles to process complex information.
Sandia National Laboratories researchers developed tiny, gold antennas to help cameras and sensors that “see” heat deliver clearer pictures of thermal infrared radiation for everything from stars and galaxies to people, buildings and items requiring security. The new nanoantenna-enabled detector can boost the signal of a thermal infrared camera by up to three times and improve image quality by reducing dark current, a major component of image noise, by 10 to 100 times.
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