A research team led by a physicist at the University of California, Riverside, has demonstrated a new magnetized state in a monolayer of tungsten ditelluride, or WTe2, a new quantum material.
The research arm of the U. S. Army has awarded Case Western Reserve University blood surrogate pioneer Anirban Sen Gupta a four-year, $2.5 million grant to advance and optimize his latest nanotechnology to stop bleeding from battlefield injuries. The new technology devised by Sen Gupta and his team is called “SanguiStop.” It allows a clot-promoting enzyme called thrombin to be intravenously delivered in a targeted manner to a bleeding area—especially to the site of internal injuries.
Combining techniques in nanotechnology and optics, researchers produced tiny (nanometric) diamond particles so small that they are capable of penetrating skin to deliver medicinal and cosmetic remedies. In addition, they created a safe, laser-based optical method that quantifies nanodiamond penetration into the various layers of the skin and determines their location and concentration within body tissue in a non-invasive manner – eliminating the need for a biopsy.
UPTON, NY On Aug. 3, 2022, scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory received the 2022 Microscopy Today Innovation Award for their development of a system with bonded x-ray lenses that make nanoscale resolution more accessible than ever before. When the team at the National Synchrotron Light Source II (NSLS-II), a DOE Office of Science user facility, tested the new lens system, they achieved a resolution down to approx.
Magnetic materials are essential to applications including data storage, cell phones, motors, and sensors. Researchers have synthesized a new, extremely small, thermally stable magnetic nanoparticle based on the principle of superatoms. The superatom structure groups electronic states in electron shells. This translates into a nanoparticle with high stability and a large spin magnetic moment.
A team of researchers from the National University of Singapore has developed a new moisture-driven electricity generation device made of a thin layer of fabric, sea salt, carbon ink, and a special water-absorbing gel. The device works by keeping one end of the fabric dry, while the other end is perpetually wet. The difference in moisture content of the wet and dry regions of the carbon-coated fabric creates an electric current. This rechargeable fabric-like battery can produce electricity for more than 150 hours and provides higher electrical output than a conventional AA battery, potentially powering everyday electronics.
Flexible implanted electronics are a step closer toward clinical applications thanks to a recent breakthrough technology developed by a research team from Griffith University and UNSW Sydney.
Researchers have designed smart, colour-controllable white light devices from quantum dots – tiny semiconductors just a few billionths of a metre in size – which are more efficient and have better colour saturation than standard LEDs, and can dynamically reproduce daylight conditions in a single light.
Here are some of the latest articles that have been added to the Drug Resistance channel on Newswise, a free source for journalists.
Constructing a tiny robot from DNA and using it to study cell processes invisible to the naked eye... You would be forgiven for thinking it is science fiction, but it is in fact the subject of serious research by scientists from Inserm, CNRS and Université de Montpellier at the Structural Biology Center in Montpellier[1].
Temperature-detecting nanodiamonds have been developed with silicon-vacancy color centers that gauge luminescence inside cells. As the smallest nanodiamond with a mean size of 20 nm, this particle enables smoother entry into organelles as well as high-precision temperature sensing.
A sustainable chemical separation method that uses membranes, microalgae and artificial intelligence has been developed by a team drawn from different KAUST groups whose members have diverse specialties in bioengineering, membranes and water reuse and recycling.
A semiconductor is a material whose conductivity lies somewhere between that of a conductor and an insulator. This property allows semiconductors to serve as the base material for modern electronics and transistors.
Researchers at Columbia Engineering and Rover Diagnostics announced today that they have built an RT-PCR platform that gives results in 23 minutes that match the longer laboratory-based tests--faster than other PCR tests on the market. It can be adapted to test for a broad range of infectious diseases including not just COVID-19 but also flu, strep, and other viruses that require fast diagnosis.
In a successful pilot extension of the Visiting Faculty Program, Saquib Ahmed leveraged the program’s resources to build out a nanoscience center at his home institution.
Silicon is one of the most abundant elements on Earth, and in its pure form the material has become the foundation of much of modern technology, from solar cells to computer chips. But silicon’s properties as a semiconductor are far from ideal.
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In ACS Nano, researchers report a nanomembrane system that harvests and purifies tiny blobs called exosomes from tears, allowing researchers to quickly analyze them for disease biomarkers. Dubbed iTEARS, the platform could enable more efficient and less invasive diagnoses for many diseases.
For the first time, researchers have used ultrafast electron diffraction to observe a quantum electronic device as it operates. Researchers observed atomic-level changes in the vanadium dioxide switch over millionths of a second, leading to the discovery of a short-lived intermediate state. The results may aid in the development of high-speed, high-efficiency quantum electronics and in the use of pulsed electric fields to create new engineered materials.
Irvine, Calif., July 12, 2022 – A new self-powered, wristwatch-style health monitor invented by researchers at the University of California, Irvine can keep track of a wearer’s pulse and wirelessly communicate with a nearby smartphone or tablet – without needing an external power source or a battery. In a paper published recently in the journal Nano Energy, team members in UCI’s Henry Samueli School of Engineering describe their invention, built via 3D printing of nanomaterials on flexible substrates for real-time and wireless monitoring of vital signs.
In a paper published online July 4 in Nature Nanotechnology, researchers report the design of an energy-efficient, silicon-based non-volatile switch that manipulates light through the use of a phase-change material and graphene heater, which could aid in making data centers more energy efficient.
Columbia researchers announced today that they have built a nanowire that is 2.6 nanometers long, shows an unusual increase in conductance as the wire length increases, and has quasi-metallic properties. Its excellent conductivity holds great promise for the field of molecular electronics, enabling electronic devices to become even tinier.
Researchers developed lithium-ion batteries that perform well at freezing cold and scorching hot temperatures, while packing a lot of energy. This could help electric cars travel farther on a single charge in the cold and reduce the need for cooling systems for the cars' batteries in hot climates.
RUDN professor suggested the way to create porous silicon nanostructures strictly on a given region. This will help forming the silicon substrate with neurons or other biological objects and for example create neuroprocessors.
In research published recently in Nature Reviews Materials, a multidisciplinary team of chemical engineers, materials scientists, and mechanical engineers from Rensselaer Polytechnic Institute demonstrate that using nanotechnology in batteries will improve battery performance.
Researchers in ACS’ Nano Letters report having created a light-activated fish robot that “swims” around quickly, picking up and removing microplastics from the environment.
A multi-institutional team, including Argonne National Laboratory, has developed a material with which computer chips can be designed to reconfigure their circuits when presented with new information. It does so by mimicking functions in the human brain.
Here are some of the latest articles that have been added to the Aging channel on Newswise, a free source for journalists.
Advances in nanotechnology have made it possible to fabricate structures out of DNA for use in biomedical applications like delivering drugs or creating vaccines, but new research in mice investigates the safety of the technology.
As electronic, thermoelectric and computer technologies have been miniaturized to nanometer scale, engineers have faced a challenge studying fundamental properties of the materials involved; in many cases, targets are too small to be observed with optical instruments. Using cutting-edge electron microscopes and novel techniques, a team of researchers at the University of California, Irvine, the Massachusetts Institute of Technology and other institutions has found a way to map phonons – vibrations in crystal lattices – in atomic resolution, enabling deeper understanding of the way heat travels through quantum dots, engineered nanostructures in electronic components.
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McMaster University researchers behind a new form of rapid, accurate and portable diagnostic test are moving their work toward the marketplace.
Researchers at UT Southwestern have developed a first-of-its-kind ultrasound-guided cancer immunotherapy platform that delivers immune-stimulating agents to cells for the development of systemic anti-tumor immunity. The technology, termed Microbubble-assisted Ultrasound-guided Immunotherapy of Cancer (MUSIC), was described in a study published in Nature Nanotechnology.
Some analysts say that the end of Moore’s Law is near, but Patrick Naulleau, the director of Berkeley Lab’s Center for X-Ray Optics (CXRO), says that it could be decades before the modern chip runs out of room for improvement, thanks to advances in materials and instrumentation enabled by the CXRO.
Researchers have analysed the properties of an organic polymer with potential applications in flexible electronics and uncovered variations in hardness at the nanoscale, the first time such a fine structure has been observed in this type of material.
Gold nanoparticles are arranged by custom DNA molecules to produce colours
Seeing is believing — or, for scientists, the beginning of understanding.
Sheets of pure diamond with tiny imperfections could hold promise for being controllable materials platform for quantum technology.
A $2.3 million National Institutes of Health (NIH) grant will fund Jianjun Guan and Fuzhong Zhang’s effort to develop and deliver therapeutic proteins to help treat injured limbs.
Posture is an important part of health. Prolonged poor posture, such as slouching or leaning to one side, can lead to pain and discomfort.
A novel technology designed to precisely image aggressive brain cancers and guide treatment is being developed by the University of South Australia and Australian cancer diagnostic company, Ferronova, potentially helping thousands of people who are diagnosed with the deadly condition each year.
Scientists have developed a groundbreaking AI-based algorithm for modeling the properties of materials at the atomic and molecular scale. It should greatly speed up materials discovery.
A team co-led by Lawrence Berkeley National Laboratory has discovered a new ultrathin material with exotic magnetic features called skyrmions. The new material could enable the next generation of tiny, fast, energy-efficient electronic devices.
Thanks to a lesser-known feature of microbiology, Michigan State University researchers have helped open a door that could lead to medicines, vitamins and more being made at lower costs and with improved efficiency.
The cowpea mosaic virus has shown great promise as an experimental cancer immunotherapy for treating and preventing recurrence of various cancers. But just how the virus triggers such a potent anti-cancer immune response has remained a mystery. A new study digs deeper and provides answers.
MIT engineers have developed a paper-thin loudspeaker that can turn any surface into an active audio source.
Micropollutants in water often are hormones that accumulate in the environment and may have negative impacts on humans and animals. Researchers of Karlsruhe Institute of Technology (KIT) and Leibniz Institute of Surface Engineering (IOM) in Leipzig have now developed a process for the photocatalytic degradation of these pollutants when they flow through polymer membranes. It is presented in Nature Nanotechnology. Irradiation with light triggers a chemical reaction, as a result of which steroid hormones are degraded on the membranes coated with titanium dioxide. (DOI: 10.1038/s41565-022-01074-8)
Georgia State University researchers have successfully designed a new type of artificial vision device that incorporates a novel vertical stacking architecture and allows for greater depth of color recognition and scalability on a micro-level.
A University of Georgia nanotechnology research group entered the race to develop a rapid test for COVID-19 in August 2020, running experiments on a new sensor for an American manufacturing company. The group, led by Yiping Zhao and Ralph Tripp, tested nanotechnology-based optical sensors designed for COVID-19 detection and saw the potential for their home-grown technology.
A new resonator system discovered in the labs of Lan Yang and Xuan “Silvia” Zhang at the McKelvey School of Engineering can interact with never-before-accessible ranges in the electromagnetic spectrum. The research was published in the journal Nature Nanotechnology.
Using a protein nanoparticle they designed, scientists at the University of Illinois Chicago have identified two distinct subtypes of neutrophils and found that one of the subtypes can be used as a drug target for inflammatory diseases.
A bioinspired molecule can direct gold atoms to form perfect five-pointed nanoscale stars. The feat is the product of a collaborative team from Pacific Northwest National Laboratory and the University of Washington.
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