Making a layer cake with atomic precision
Researchers created a multilayer cake using graphene and boron nitride to form a nanoscale electric transformer. The breakthrough paves the way for complex electronic devices with novel architectures.
Nanotechnology
Articles tagged with Nanotechnology
Celebrating the Silver Anniversary of National Chemistry Week
The American Chemical Society is honoring the 25th anniversary of National Chemistry Week with a symposium. The event aims to promote awareness of chemistry's value in everyday life through hands-on science events and demonstrations. The week-long celebration will feature presentations by prominent chemists, including ACS President Bas...
Wireless power for the price of a penny
Researchers have developed a wireless power device called rectenna that can harness energy from smartphones and transmit it to nearby objects. The device is priced at just one penny per unit and has the potential to revolutionize daily interactions with everyday objects.
The power to heal at the tips of your fingers
Researchers develop electrotactile stimulation devices that can respond to touch and finger movement, paving the way for smart surgical gloves. The devices could enable precise local ablations and ultrasound scans with unprecedented accuracy.
UCLA researchers discover that fluoxetine -- a.k.a., Prozac -- is effective as an anti-viral
Researchers found fluoxetine to be a potent inhibitor of coxsackievirus replication, reducing viral RNA and protein production. The discovery has significant implications for understanding enterovirus replication and potential clinical utility for future treatment.
UK research paves way to a scalable device for quantum information processing
Researchers at NPL have demonstrated a monolithic 3D ion microtrap array that can confine individual ions at the nanoscale and scale up to handle tens of qubits. This breakthrough device could enable faster quantum computation and advanced measurements.
Researchers watch tiny living machines self-assemble
University of Montreal researchers developed a strategy to monitor protein assembly by integrating fluorescent probes throughout the linear protein chain. This approach enables capturing snapshots of protein shape at each stage of assembly, shedding light on how proteins self-assemble into working nanomachines.
UCLA researchers develop way to strengthen proteins with polymers
UCLA researchers have developed a method to stabilize proteins using polymers, which could lead to improved protein-based therapeutics. The study found that attaching the polymer to the protein resulted in better stability during lyophilization and heat treatment.
UCLA researchers combat global disease with a cell phone, Google Maps and a lot of ingenuity
UCLA researchers have developed a compact and cost-effective RDT-reading device that works in tandem with standard cell phones. The platform can read nearly every type of RDT, eliminating manual decision-making errors. It wirelessly transmits results to a global server, creating maps charting disease spread worldwide.
Rap music powers rhythmic action of medical sensor
Researchers at Purdue University have developed a new type of miniature medical sensor that uses acoustic waves from rap music to recharge and monitor pressure. The sensor can be used to diagnose incontinence and treat conditions such as aneurisms and paralysis, offering potential benefits over conventional implantable devices.
DNA motor programmed to navigate a network of tracks
Researchers at Kyoto University and the University of Oxford have successfully constructed a DNA motor capable of navigating a programmable network of tracks with multiple switches. The breakthrough uses DNA origami technology, allowing for autonomous nanoscale devices to produce predictable outputs based on different starting conditions.
New microtweezers may build tiny 'MEMS' structures
Researchers have created new microtweezers capable of manipulating objects to build tiny structures, print coatings for advanced sensors, and grab live stem cell spheres. The tool enables the precision printing of chemical or protein dots onto microcantilevers, which can detect chemicals in air and water.
Evolution of complexity recreated using 'molecular time travel'
A team of scientists recreated the evolution of complexity in a molecular machine by analyzing ancient genes and testing their functions in modern organisms. They found that the increase in complexity was due to complementary loss of ancestral functions rather than gaining new ones.
UCLA neuroscientists demonstrate crucial advances in 'brain reading'
Researchers at UCLA's Laboratory of Integrative Neuroimaging Technology use functional MRI brain scans to study mental activity patterns. They employ computerized machine learning methods to identify cognitive states and anticipate neurocognitive changes similar to predictive text-entry for cell phones and Internet search engines.
UCLA physicists report nanotechnology feat with proteins
Researchers discovered a 'viscoelastic regime' in isolated protein molecules, exhibiting both elastic and viscous behavior. This finding opens up new avenues for understanding complex materials and potentially leading to advancements in protein engineering.
Researchers develop one of the world's smallest electronic circuits
Scientists create one of the world's smallest electronic circuits, just 150 atoms away, revealing positive and negative interactions between wires. This discovery in quantum physics could revolutionize integrated circuit design and heat management.
Graphene earns its stripes
Researchers at University College London discovered electronic stripes on graphene sheets, a finding that could revolutionize the exploitation of this material. The discovery was made using a scanning tunneling microscope and found that extra electrons arrange themselves into nanometer-scale stripes spontaneously.
Great expectations
Researchers outline challenges and potential solutions for synthetic molecular machines to fulfill their promise. The team proposes using metal-organic frameworks to organize molecular switches spatially and temporally.
Study compares techniques for doping graphene for device and interconnect fabrication
Nanotechnology researchers at Georgia Tech have compared two techniques for chemically doping sheets of graphene for device and interconnect fabrication. Edge treatment, which reacts with defects created when the material is cut, was found to be thousand times more efficient than surface treatment.
Hey, bacteria, get off of my boat!
Scientists are creating greener technology to prevent marine biofouling, a problem that costs the US Navy over $50 million annually. Researchers have developed stimuli-responsive surfaces that can shake off slime, inspired by nature's own anti-fouling systems.
Molecular sudoku
Researchers used scanning tunneling microscopy to assemble 1-nanometer sized molecules into a 3x3 square array, showing varying conductance across the structure. The study demonstrates the beauty and intricacy of molecular electronics, with applications in miniaturized circuits and challenges to be addressed.
Nanoscale spin waves can replace microwaves
Researchers at the University of Gothenburg have successfully demonstrated nanoscale spin waves, which could replace microwave technology in mobile phones and wireless networks. The study opens up new possibilities for magnonics, a field that uses nanoscale magnetic waves.
Etch-a-sketch with superconductors
Scientists at University College London and Sapienza University of Rome have developed a method to manipulate high-temperature superconductivity in materials. By illuminating with X-rays, researchers can create and control tiny superconducting structures, enabling the creation of new electronic devices.
Material created at Purdue lets electrons 'dance' and form new state
A team of researchers at Purdue University has successfully created ultrapure gallium arsenide material that captures exotic states of matter. By cooling the material to extremely low temperatures and applying a magnetic field, they can create correlated states where electrons behave according to quantum mechanics.
Nano detector for deadly anthrax
Researchers developed a portable nano detector that can identify anthrax in 15 minutes, detecting as few as 40 microscopic cells. The device uses PCR to amplify target DNA and integrates sample preparation, making it more convenient than existing systems.
Nanotechnology makes big inroads into construction industry
Nano-sized particles of titanium dioxide create self-cleaning surfaces on buildings, while carbon nanotubes boost reinforced concrete strength. Nanotechnology also helps make concrete more sustainable by recycling fly ash, reducing environmental impact.
Limit to nanotechnology mass-production?
A leading nanotechnology scientist proposes a 3nm diameter threshold for mass-produced structures, citing unpredictability in bottom-up manufacturing. This challenge raises concerns about the billions invested in nanotechnology research and development.
The world's smallest wedding rings
Researchers at Goethe University Frankfurt have created two interlocking rings of DNA, measuring 18 nanometers in size, which are suitable as components of molecular machines. The catenan structure is freely pivotable and can be used to arrange and study proteins or other molecules that are too small for direct manipulation.
New molecular robot can be programmed to follow instructions
Researchers have developed a programmable molecular robot that can move between track locations separated by 6nm and choose among different branches of a molecular track. The robot uses a 'fuel hairpin' molecule to propel itself along the track and receive routing instructions, enabling precise control over its route.
Sharpest microscope tip lands Canada's Nanotech Institute in Guinness Book of World Records
Researchers at the National Institute for Nanotechnology have created the world's sharpest man-made object, a tungsten microscope tip with a diameter of just one atom. The breakthrough was achieved using a patented controlled etching method and has potential commercial applications.
Study highlights flaw in common approach of public opinion surveys about science
Researchers found that people who say risks outweigh benefits often perceive more benefits than risks when asked detailed questions. The study suggests breaking down complex science issues into multiple questions for accurate assessment.
Web of international collaboration boosts worldwide nanotechnology research
A new study finds that nanotechnology research collaboration has increased significantly worldwide, with the US and China being the leading international co-authors. The study analyzed over 91,000 papers published between 2008 and 2009 and found that researchers from just 15 countries accounted for 90% of the publications.
Manufacturing 'made to measure' atomic-scale electrodes
Scientists from Donostia-San Sebastian and Kiel universities develop method to control atom count in molecular unions, improving electric current flow. This breakthrough enables precise characterization of nanometric systems, resolving a key problem in nanotechnology.
Nanotechnology and equity issues explored in new book
The new book examines how nanotechnology can exacerbate social problems while addressing pressing issues. It includes topics such as gender equity, ableism and abilities governance, and practical advice for policymakers and researchers.
Nanoscale probe reveals interactions between surfaces and single molecules
A team of researchers developed a dual scanning tunneling and microwave-frequency probe to study nanoscale interactions, enabling the measurement of physical, chemical, and electronic interactions between single molecules and substrates. The probe can locate and switch single molecule switches on substrates with high resolution.
Voluntary initiatives, regulation and nanotechnology oversight
A report by the Project on Emerging Nanotechnologies assesses the applicability of voluntary approaches to nanotechnology oversight. The study suggests that both non-regulatory and voluntary initiatives can play a constructive role in managing nanotechnology's possible environmental and health effects.
Measuring the electrical properties of nano-crystals
UK scientists at NPL create standards for measuring electric materials on the nanoscale, allowing for more accurate devices and a better understanding of nanotechnology's role in electric materials. This breakthrough enables comparisons to be made and promotes the development of new nano-structured ferroelectric materials.
NYU to upgrade structural DNA nanotech facility with $1.6 million NSF grant
New York University has received a $1.6 million National Science Foundation grant to upgrade its Structural DNA Nanotechnology facility, enhancing its experimental capacity and creating a state-of-the-art laboratory setting. The facility will also bolster NYU's competitive edge in the field of structural DNA nanotechnology.
Arizona State University awarded $6.5 million to study nanotechnology and society
CNS-ASU will continue its research on the societal aspects of nanotechnology, focusing on issues like equity, equality, and responsibility in its development. The center will also pursue educational opportunities and engage with stakeholders to inform decision-making and anticipate emerging technologies.
Grant to explore nanotech anti-infective agent for soldiers' wounds
The US Department of Defense has awarded a $1.5 million grant to develop and test nanoemulsion technology against a wide range of wound infections, including drug-resistant forms. The project aims to create a broadly effective treatment that can prevent infection, increase survival and enable rapid healing in wounded military personnel.
Beyond the Nobel Prize, what's next for graphene?
Two social scientists are studying the pathways to commercialize graphene, examining strategies for research and development and fostering commercialization through external partnerships. The project aims to provide real-time insights into how nanotechnology research moves into early applications, addressing barriers and concerns.
NSF renews Centers for Nanotechnology in Society
The National Science Foundation has renewed two centers for nanotechnology in society, investing $12.5 million to study the ethical, legal, economic, and policy implications of emerging technologies. The centers will focus on developing a strategic vision for anticipatory governance and ensuring responsible development.
UCLA engineering receives $6M to construct new state-of-the-art building
UCLA Engineering has received a $6 million award from NIST to construct the Western Institute of Nanotechnology on Green Engineering and Metrology (WIN-GEM), a cutting-edge facility supporting energy conservation technologies in microelectronics and nanotechnology.
Would a molecular horse trot, pace or glide across a surface?
A research team created a quadrupedal molecular machine with four 'hooves' to study how multiple parts move. The team found that the molecule uses a pacing gait, but cannot use tunneling to zip through the surface corrugation.
A cellular housekeeper, and potential target of obesity drugs, caught in action
Scientists have obtained the closest look yet at how a gargantuan molecular machine breaks down unwanted proteins in cells, a critical housekeeping chore that helps prevent diseases such as cancer. The research provides valuable clues on how the enzyme, tripeptidyl peptidase II, keeps cells tidy and disease-free.
Study measures single-molecule machines in action
A multidisciplinary team observes single-molecule interactions of bistable rotaxanes functioning in their native environment, enabling detailed studies of molecular machines. This breakthrough enables greater understanding of how they interact with their neighbors and might work together in nanoelectromechanical devices.
Life of plastic solar cell jumps from hours to 8 months
A team of researchers at the University of Alberta developed a longer-lasting plastic solar cell by applying a polymer coating to an electrode. The coating helped prevent chemical leaching, allowing the solar cell to operate for up to 500 hours and then continue working for another seven months.
Names of the 2010 Kavli Prize recipients announced
Eight scientists recognized with Kavli Prizes for discoveries transforming our knowledge of matter, nanotechnology, brain signals, telescopes, and physiological functions. The awards promote public understanding of science and encourage international cooperation.
Survey: Hiding risks can hurt public support for nanotechnology
A new national survey found that public support for nanotechnology increases when informed of its risks alongside benefits. However, discussing risks decreased support among those who had never heard of nanotechnology before the survey.
New advances in science of the ultra-small promise big benefits for cancer patients
The National Cancer Institute Alliance for Nanotechnology in Cancer is making significant progress, promising earlier disease diagnosis, targeted treatments, and improved survival rates.
Under new leadership, Kavli Institute at Cornell evolves from a think tank to a proving ground
The Kavli Institute at Cornell is shifting its focus from a think tank to a proving ground for pushing the limits of nanotechnology. Under new leadership, it will fund projects and researchers to create novel instruments and tools for next-generation microscopies and optoelectronic nanocharacterization.
Nanotechnology could help Arab region
Advances in nanotechnology can help the Arab region overcome development challenges by enhancing desalination efficiency, improving solar panel capacity, and boosting agricultural output. However, strong commitment to training scientists is crucial for addressing human resource issues.
New magnetic tuning method enhances data storage
A new magnetic tuning method has been developed to improve the storage capacity of next-generation computer hard drives. The method, reported in the Proceedings of the National Academy of Sciences, enables writing, storage, and readout at a fixed temperature by tuning the softness of the magnet with an external magnetic field.
Researcher honored for experimental work in nanotechnology
Dr. Óscar Custance has been awarded the 2009 Feynman Prize for Experimental Work in Nanotechnology for his pioneering research in atomic-scale precision. His work could lead to more effective catalysts for hydrogen fuel production. The prize recognizes advancements toward molecular manufacturing.
Public must be involved in nanotech policy debate demands groundbreaking
A new report argues that current governance activities on nanotechnology are limiting public debate and may repeat mistakes made in managing GMOs. The report recommends innovative ways to involve the public in decision-making, such as treating their views with respect and using them to inform science policy.
Public attitudes to new technology: Lessons for regulators
A recent study found that public views on nanotechnology are overwhelmingly favorable, but many people are unfamiliar with the technology. The research highlights the importance of educating the public about nanotechnology's benefits and risks to avoid negative perceptions.
Analysis confirms that nano-related research has strong multidisciplinary roots
Research in nanoscience and nanotechnology found to be highly interdisciplinary, drawing on multiple areas of science and technology. The study analyzed over 30,000 papers with 'nano' themes, revealing diverse contributions from fields like clinical medicine, biomedical sciences, and physics.
Southwest Nano Consortium established
The Southwest Nano Consortium brings together six states and northern Mexico to pool resources, encourage collaboration, and host internationally recognized events. The consortium aims to expedite the commercialization of nanotechnology technologies with significant impact on renewable energy, biotech, IT, and other sectors.
UnMASCing diseases of the brain
Researchers at the Wellcome Trust Sanger Institute have identified a set of brain proteins responsible for various neurological disorders. These proteins are found to be defective in molecular machines that control communication between nerve cells and learning processes.
$24.4 million for research into future health care solutions
The Engineering and Physical Sciences Research Council (EPSRC) has awarded £16.5m in grants to develop new techniques for screening and treating major public health issues such as cancer and stroke. The projects aim to create affordable home-based stroke detectors and cancer screening devices.