Articles tagged with Nanotechnology
Researchers at UCLA have successfully formed a crystalline solid with moving parts, dubbed 'amphidynamic', which could have wide-ranging applications in technology and science. The creation of BODCA-MOF, a metallo-organic framework containing spherical molecules, demonstrates the potential for rapid motion inside a solid crystal.
Researchers at the University of Texas at Austin have created a first-of-its-kind chemical oscillator using DNA molecules, enabling precise molecular control and complex behaviors. The discovery opens doors to creating molecular machines that can perform sophisticated tasks such as communication and signal processing.
Researchers from National University of Singapore invented a novel converter that can harness the speed and small size of plasmons for high frequency data processing and transmission. The converter has an efficiency of over 10% and can potentially make microprocessor chips work 1,000 times faster.
Researchers at RUDN University developed a new complex mercuric compound with unusual structure using non-covalent interactions. The compound can be used to create molecular machines, which are molecules capable of mechanical work.
Researchers from Finland and Taiwan have successfully fabricated three-dimensional graphene structures using optical forging, a technique that utilizes laser light to shape the material. The resulting graphene objects exhibit unique electronic and optical properties, opening up new possibilities for graphene-based devices.
Researchers from Ohio University designed and built the Bobcat Nanowagon, a nanocar with a pseudorotaxane H-shaped frame and four wheels. It traveled 43nm on a gold track before getting stuck, earning a third-place showing in a competition that spurred interest in molecular machines.
Researchers successfully grew meter-sized single-crystal graphene on industrial Cu foils, overcoming the challenge of polycrystalline films. The technique improves domain alignment and quality through a temperature-gradient-driving method and oxygen supply.
Researchers have built simple machines out of DNA consisting of arrays whose units switch reversibly between two different shapes. The arrays' properties shed light on how to build structures with more complex, dynamic behaviors. By harnessing these DNA mini-machines, scientists may be able to create nanotech sensors and amplifiers.
Researchers have created a new alloy that exhibits superelastic behavior at the nanoscale, requiring much higher stress to deform than larger materials. This discovery opens up new channels for developing flexible microsystems and electromechanical nanosystems, including implantable devices with potential applications in smart healthcare.
Researchers at University of Groningen create light-driven rotary motor with locked movement, where naphthalene rotor synchronizes with motor rotation. This breakthrough demonstrates synchronization of movement in artificial systems, a fundamental step towards molecular machine development.
Researchers developed a new method to characterize graphene's properties without applying disruptive electrical contacts. By using microwave resonators, they can investigate the material's resistance and quantum capacitance.
Researchers at Karlsruhe Institute of Technology have created a molecular toggle switch that can be operated as often as desired without physical degradation. The switch is made from individual molecules and measures just a nanometer in size, enabling future circuits to be integrated into spaces smaller by up to 100 times.
Two studies reveal that synapses shrink after mice sleep, only to grow again upon waking, suggesting a balance mechanism between activity and rest. A gene called Homerla plays a role in synaptic weakening during sleep by remodeling a molecular signaling complex.
A DGIST research team developed porous acupuncture needles with enhanced therapeutic properties by applying nanotechnology. The findings showed that PANs excel in transferring signals from a spinal dorsal horn and demonstrate superior efficacy in treating addiction in animal experiments.
Researchers at Delft University of Technology develop a memory that stores information atom by atom using chlorine atoms, reaching a storage density of 500 Terabits per square inch. The innovative method uses a scanning tunneling microscope and offers excellent prospects for stability and scalability.
The Australian Institute for Nanoscale Science and Technology (AINST) has been officially opened, featuring a $150m Sydney Nanoscience Hub. The facility is expected to deliver real-world solutions in areas such as energy, health, and security.
Microsoft is partnering with the Australian Institute for Nanoscale Science and Technology (AINST) at the University of Sydney to advance quantum computing research. Professor David Reilly's team will focus on scaling up electronic systems to build reliable quantum machines.
A nanotechnology breakthrough from DTU allows printing of high-resolution data and colour images at 127,000 DPI, comparable to weekly magazines.
Researchers can follow the emergence of hydrogen-bonded capsules in modern physical organic chemistry, enabling new arrangements of molecules and reaction vessels. The book covers various types of capsules and their functions, providing insights into encapsulation phenomena at the molecular level.
Researchers from USF propose a new form of computing that leverages interaction-dependent state change of nanomagnets to solve complex functions significantly faster than traditional computers. The approach has been shown to be 1,528 times faster than IBM ILOG CPLEX on certain problems.
Researchers from Italy have devised a novel method to convert low-frequency signals into higher frequencies using Nobel Prize-winning Josephson junctions. The approach produces voltage pulses containing hundreds of harmonics, enabling the creation of smaller and more efficient signal generators.
Scientists from Hiroshima University have observed an unusual dispersion of the acoustic mode in liquid Bi using inelastic x-ray scattering (IXS). The results resolve previous disagreements and suggest a possible mechanism involving a long-range interatomic force, which is related to local structures.
Researchers successfully fabricated stable and large gratings in single layer graphene, enabling the study of massive objects' quantum mechanical nature. The team's achievement reduces material thickness to the ultimate limit, increasing interaction time between molecules and masks.
A team of scientists has discovered a new magnetic phenomenon by growing perfectly-crystalline atomic layers of a manganite on a nonmagnetic substrate. The discovery shows that adding just one extra layer can transform the magnetism, validating the polar catastrophe model.
Researchers developed a simple electrochemical approach to create intentionally defective graphene, altering its properties. By varying voltage, they controlled the thickness, flake area, and number of defects in graphene.
Researchers investigated nano-islands on a copper surface, finding that as islands grow, they transition from superlubricity to high friction; this phenomenon could lead to innovative nanobearing applications.
Physicists detect nuclear spins in single biomolecules for the first time using magnetic particles and novel experimental setup. This breakthrough improves medical diagnostics and analysis of biological and chemical samples.
The $1.6-million gift enables world-changing research in lung diseases and quantum computing through collaboration between the University of Waterloo and Technion-Israel Institute of Technology. Researchers aim to develop targeted drug delivery systems for pulmonary diseases and advance quantum information science.
The National Nanotechnology Initiative has published a report on the commercialization of carbon nanotubes, outlining common themes and potential future research priorities. The report identifies the need for increased efforts in manufacturing, quality control, and scale-up to produce CNT-based bulk materials with improved properties.
The National Nanotechnology Initiative (NNI) has received a $1.5 billion budget for Fiscal Year 2016, with a focus on accelerating the transition of nanotechnology-based discoveries from lab to market.
A team of researchers has developed a virtual archive of building blocks to create nano-knots of all shapes and forms. By studying the shape of fragments, they found that complex knots can be assembled efficiently from just four helical fragments.
Researchers at Brandeis University have discovered that friction forces are nearly 1,000 times greater than previously thought at the microscopic level. This breakthrough understanding of friction is an important step toward designing next-generation microscopic and nanotechnologies.
For the first time, researchers have visualized the molecular machine made up of the estrogen receptor, its coactivator SRC-3, another coactivator called p300, and DNA. This 3-D image revealed the spatial relationships among these molecules, suggesting how the receptor recruits the co-activators and activates genes.
Researchers at SLAC National Accelerator Laboratory have developed a technique to rapidly explore, sort, and analyze samples with high-resolution X-ray imaging. This method enables the study of viral infections, cell division, and photosynthesis in unprecedented detail, and has the potential to revolutionize biology research.
Researchers are developing new software to visualize molecular machines, revealing their inner workings and structures. The Phenix software uses X-ray diffraction spots to create 3-D images of protein molecules.
The National Academy of Inventors has published a special issue of Technology and Innovation featuring presentations from the Third Annual Conference, including topics such as pharmacy and nanotechnology. The conference attracted 250 inventors and featured presentations by distinguished scientists and innovators.
A survey of 1,117 U.S. consumers reveals that most are willing to buy nanotech or genetically modified foods if they offer health or safety advantages. The study identifies four consumer groups: rejecters, averse consumers, price-oriented shoppers, and benefit-seekers who prioritize nutrition and food safety.
A new electronic chip with nano-sized chemical sensors can detect miniscule concentrations of hazardous materials in the air, surpassing even the most advanced detection dogs. The breakthrough technology has been tested on various explosives and shows great promise for providing a safer world.
Scientists at the University of Basel have discovered that proteins within nuclear pores function like a 'velcro', enabling controlled and selective transport of particles. This discovery has potential applications in lab-on-a-chip technology, where it could be used to miniaturize complex pump and valve systems.
A Danish/American research team has discovered an accelerator pedal that controls the speed of a molecular machine. By varying the distance between the starting and stopping points, researchers can increase or decrease the speed of the molecule.
JILA researchers developed a new AFM probe design that improves precision and stability in picoscale force measurements. The shorter, softer probes enable rapid, precise measurements of biomolecules like proteins and DNA, allowing for the study of folding and stretching events.
A paper-based device replicating human brain's electrochemical signalling has been created by Chinese researchers. The thin-film transistor (TFT) can mimic the biological synapse and could be used to build lightweight and biologically friendly artificial neural networks.
Jayan Thomas is working on creating materials for a 360-degree 3D image without glasses. His research has led to a $400,000 NSF grant to develop display screens using nanotechnology.
Scientists from McGill University and Sandia National Laboratories have successfully tested the 'Luttinger liquid' model, a mathematical prediction for one-dimensional quantum physics. The experiment measures the effect of electrical current on nearby wires, showing increased friction at low temperatures.
A new study presents a carbon nanotube sponge that can absorb water contaminants, such as fertilizers, pesticides, and pharmaceuticals, with improved efficiency. The sponge's porous structure and rough surface enable it to absorb oils and solvents up to 150 times its initial weight.
Scientists at UCL and international partners discovered a new mechanism controlling magnetic anisotropy at the atomic scale, enabled by electrical coupling between metal substrate and magnetic atoms. This discovery opens up new avenues for designing smallest devices for information processing, data storage, and sensing.
A new study found that US consumers are in favor of labeling food products with nanotechnology, and some are willing to pay up to 25% more for labeled products. The research suggests that people want access to reliable information about the risks associated with labeled products.
C-Voltaics, a University of Houston nanotech company, has won the $50,000 Goradia Innovation Prize for its commercially viable nano-coatings that protect various products from environmental hazards. The company's win is confirmation of market demand for its product, which was launched this fall in the Energy Research Park.
Researchers at the University of Washington have created a programming language for chemistry that allows scientists to design and build custom DNA molecules with specific functions. This new approach enables flexible control over chemical reactions, which could lead to innovative medical applications such as smart drug delivery systems.
C-Voltaics, a University of Houston start-up, won the Young Technology Award for its nanotechnology-based coatings that protect various products from environmental hazards. The company's product has shown significant potential for investment returns and audience interest.
Researchers have demonstrated a new type of quantum phenomenon called Klein tunnelling for two interacting particles. By crossing an energy barrier together, the particles can tunnel through what would otherwise be impassable to individual particles.
New research finds that coherent twin boundaries in metals contain tiny kink-like steps and curvatures, making them stronger but also more electrically resistant. This discovery challenges previous understanding of these materials and could lead to improved engineering designs for high-strength applications.
The Brain Activity Mapping (BAM) Project seeks to develop tools for greater understanding of the brain's intricate networks, potentially leading to treatments for neurological diseases. Advances in nanoscience and nanotechnology hold promise for probing the brain at a nanoscale.
Researchers at the University of Southampton have created an artificial material that can be controlled by electric signals. This breakthrough enables the rapid manipulation of metamaterial building blocks, leading to changes in transmission and reflection characteristics.
A study by University of Wisconsin-Madison researchers found that the tone of online blog comments can significantly influence public perception of nanotechnology. Civility in online forums is lacking, leading to a Wild West environment where exposure to rude comments can sway perceptions of risk.
Researchers at the University of Alberta have developed a new technique to analyze the Barkhausen Effect, providing critical information for rapid prototyping of magnetic computational devices. The method measures magnetic jumps in a special 'vortex' pattern and converts it into a probe of magnetic interactions on an atomic scale.
The machine, inspired by natural ribosomes, can synthesize complex molecules in a synthetic process, with potential applications in pharmaceuticals and other industries. While still inefficient compared to natural ribosomes, the machine's development marks an important step towards more efficient manufacturing processes.
Scientists have created chemical modules that replicate complex interactions between plants, animals, and molecules, opening the door to more sophisticated molecular machines and computers. By using DNA and enzymes, researchers can now reproduce predator-prey interactions, mutually beneficial relationships, and competitive conditions.
Researchers at the University of Jyvaskyla have solved two acute problems in chemical catalysis using a novel intramolecularly assisted catalyst for beta amino acid synthesis. They also identified a new mechanism for the amine-catalysed Michael addition reaction between aldehydes and nitroalkenes.
Researchers from China have devised a universal method using just an optical microscope to measure graphene and other two-dimensional materials' thickness. The technique exploits the reflected light's red, green, and blue components, increasing contrast with sample thickness.