Articles tagged with Nanotechnology
Researchers at LMU develop first molecular motor that moves on an eight-shaped path using hemithioindigo dyes and green light. The new motor system offers improved switching properties and reduces environmental harm compared to existing motors.
A team of scientists led by OHIO Professor Saw-Wai Hla developed a molecular propeller that enables unidirectional rotations on a material surface when energized. The tiny propeller, composed of three components, can be controlled using an electric field or mechanical force.
The soft and conformable monitor can broadcast ECG, heart rate, respiratory rate, and motion activity data up to 15 meters. It avoids signal issues created by traditional metal-gel electrodes, providing accurate signals even during movement.
Researchers from the University of Barcelona successfully synchronized two nanoscale optomechanical oscillators through mechanical coupling. The study demonstrates collective dynamics that can be controlled by acting externally on one oscillator only.
Researchers at QNS have developed a technique to visualize the magnetic field of single atoms with unprecedented resolution. This breakthrough enables the mapping of spin distribution in complex structures such as molecules and magnetic materials.
Organic chemists at the University of Groningen have created an ordered array of light-driven rotary motors in a 3D solid-state material, achieving cooperative action. The system contains 3 x 10^20 motors per cubic centimeter, all running in unison and performing work on a macro scale.
Physicists at the University of Basel have demonstrated spontaneous spin polarization in a two-dimensional material, molybdenum disulfide. The phenomenon occurs due to interactions between electrons and weak spin-orbit coupling, contradicting a well-known theorem from the 1960s.
A nearly 30-year mystery has been solved by Rutgers and international scientists, who discovered the molecular machinery that produces potent antibiotic microcin B17. The findings provide tools to design new antimicrobials and anticancer drugs.
A new Louis Stokes Regional Center of Excellence will help broaden participation of minority students in nanotechnology and STEM fields. The center will provide remote access to nanotechnology instruments, research experience, and professional development for educators.
Researchers have discovered how DNA gyrase, a molecular machine in bacterial cells, prevents twists in DNA that can stop replication and kill the cell. This knowledge can lead to the design of new targeted antibiotics to combat antibiotic-resistant bacteria.
A team of Penn Engineers has developed a new material called nanocardboard, an ultrathin equivalent of corrugated paper cardboard. It is made of aluminum oxide film with a thickness of tens of nanometers and can spring back into shape after being bent in half.
Researchers Nathaniel Gabor and Justin C. W. Song propose a new field of study, electron quantum metamaterials, which involves manipulating electrons in subwavelength structures to exhibit unusual behavior. This field has the potential to produce radically new phenomena, such as superconductivity in twisted bilayer graphene.
Researchers simulated DNA movements in a cell's nucleus, proposing that molecular machines cause chromatin segments to straighten and align neighboring strands. This alignment results in a cascading effect where large patches of DNA shift in the same direction.
Researchers have made a major scientific breakthrough by detecting nuclear magnetism in single atoms on surfaces for the first time. The discovery uses advanced techniques to measure the nuclear spin of individual atoms, enabling identification of different isotopes atom by atom.
Researchers found that people who believe GMOs are beneficial are less likely to support labeling of nano products, while those who distrust scientific authorities more favor labeling. The study aims to better inform shoppers' purchasing decisions and help businesses understand consumer views on emerging technologies.
Researchers from Aarhus University have developed a simpler and safer way to introduce sulfur-containing fragments into chemical compounds. The new method uses a gold-based catalyst to promote the hydrothiolation of olefins, providing high yields and avoiding the need for handling flammable gas.
Osaka University-led scientists created integrated gene logic-chips called 'gene nanochips' to control gene expression and program cells. These nanochips can switch genes on and off within a single chip, preventing unintended crosstalk.
Researchers identify a shortlist of designable molecular knot types that can be easily self-assembled under physical and chemical conditions. The findings support the synthesis of novel topologies for potential applications in medicine, electronics, and nanocargo loading/unloading.
A team from Osaka University invents a pseudo-rotaxane with unidirectional movement, enabling the observation of simultaneous motion and chemical reactivity. This innovation demonstrates 'face-selective translation,' where α-cyclodextrin interacts with the molecular machine to catalyze a reaction.
Scientists Ewine van Dishoeck, Emmanuelle Charpentier, Jennifer A. Doudna, Virginijus Šikšnys, A. James Hudspeth, Robert Fettiplace, and Christine Petit receive the Kavli Prizes for their pioneering work on star formation, DNA editing, and hearing mechanisms. The breakthroughs have transformed our understanding of existence, advancing ...
A team of researchers has developed a model that simulates protein evolution, revealing how evolving protein components can give rise to dynamic and efficient molecular machines. The model shows that flexibility allows proteins to bind effectively to other molecules.
Researchers use NanoFlare to enable biodefree disease diagnosis and progression monitoring, reducing scarring and infection risks. The method provides timely feedback on treatment efficacy, improving accessibility to disease diagnosis.
Physicists and chemists at the University of Münster have developed a microscopic method to image organic molecules with exceptional resolution. The technique uses an atomically defined probe tip that greatly increases imaging resolution by reducing undesired interaction between atoms.
Researchers at ASRC create a new, efficient method for printing biochips using microfluidic techniques and beam-pen lithography. This technique allows for more probes to be imprinted onto a single chip, improving the understanding of biological pathways and reducing costs.
A team from EPFL and NCCR Marvel has identified more than 1,000 materials with a particularly interesting 2D structure, paving the way for groundbreaking technological applications. The researchers developed an algorithm to analyze 100,000 materials, creating a database of promising 2D materials.
Scientists at the Institute for Basic Science have made a major breakthrough in controlling the quantum properties of individual atoms. They used advanced methods to image and measure individual iron atoms, finding that nearby electrons destroy their quantum behavior.
Researchers at University of Southampton have discovered a way to enhance memristor performance, opening doors to new electronics design. They pushed the device to store up to 128 discernible memory states per switch, almost four times more than previously reported.
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.