Articles tagged with Nanotechnology
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
The National Cancer Institute Alliance for Nanotechnology in Cancer is making significant progress, promising earlier disease diagnosis, targeted treatments, and improved survival rates.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Researchers at EMBL and PSI create ACEMBL, a new technology that produces multiprotein complexes with reduced effort and materials, speeding up structural studies and deciphering molecular mechanisms of health and disease. The system will be adapted for eukaryotic cells to study human origins and complex drug targets.
Researchers use tightly focused blue and ultraviolet light to create patterned lithography on a substrate, resulting in smaller structures. The new technique has potential applications in constructing nanomotors and may lead to advancements in Moore's Law.
Researchers at the London Centre for Nanotechnology have discovered a novel one-dimensional ice chain structure built entirely from pentagons, challenging the long-held assumption that hexagons are the building blocks of ice. This discovery has significant implications for understanding hydrogen bonding at interfaces and may lead to ne...
Researchers at the University of Alberta and NINT have made a breakthrough in plastic solar cell technology, achieving a 30% increase in efficiency through a novel approach. The development of inexpensive, mass-produced plastic solar panels could make solar energy accessible to everyone in the near future.
The ACS National Meeting features a vast array of research on nanotechnology, spanning topics such as green manufacturing processes and medical applications. The event is expected to bring together over 11,000 scientists and showcase nearly 1,000 research papers.
Tel Aviv University researchers have developed a nano-sized laboratory that can detect pollutants, disease, and biological weapons in real-time. The 'lab on a chip' uses genetically engineered bacteria to light up when presented with a stressor, allowing for fast and accurate detection.
A new US-UK study reveals that people in both countries hold positive views of nanotechnologies, with a focus on energy applications. The research found that participants were more optimistic about the future contribution of new technologies to society and exhibited a high degree of comfort with energy applications.
A study found that people's opinions on nanotechnology are shaped by their cultural values, with pro-commerce values leading to a positive view and egalitarian values sparking concerns about risks. The findings highlight the need for nuanced communication strategies to address diverse audiences.
A Yale study reveals that the public's perception of nanotechnology is highly polarized based on cultural values, with some groups viewing it as safe and others as risky. The study suggests that public education strategies should consider citizens' predispositions to effectively communicate about nanotechnology.
A new study reveals that nanotechnology is perceived as less morally acceptable in the United States and certain European countries with stronger religious traditions. The survey found that levels of religiosity are a strong predictor of views on nanotechnology, highlighting a paradox in a country known for its technological advancements.
Physicists at UCL and the London Centre for Nanotechnology have made a significant discovery in quantum computing, extending the quantum lifetime of electrons by over 5,000%. This achievement brings researchers closer to building a usable quantum computer. The study used a powerful magnetic field to align electron spins, providing a cr...
The new online community aims to accelerate creation of critically needed nanotechnology standards, including reference materials and tests. The initiative will utilize Web 2.0-style social networking technologies to facilitate information sharing and deliberation among experts.
A national survey by North Carolina State University and Arizona State University found significant public support for nanotechnology applications improving human health. However, there was little support for non-health research endeavors, highlighting the need for differentiated views on public policies and research funding.
Researchers have developed ultra-sensitive probes to investigate vancomycin's working mechanisms, paving the way for more effective new drugs. By detecting surface stress on bacteria, scientists can identify the disruption of cell walls and potentially develop more powerful antibiotics.
Researchers at University College London have combined silicon, iron, and manganese to create a new material with unique properties. The discovery demonstrates a simple recipe for reaching this 'quantum halfway house' and suggests new mechanisms for controlling electrical currents and magnetism in semiconductor devices.
The study applies the 12 'late lessons from early warnings' to nanotechnology, concluding that industry and government are repeating past mistakes. The authors call for improved risk research strategies, stakeholder engagement, and a more holistic approach to ensure the safe development of emerging nanotechnologies.
A study by North Carolina State University found that educating the public about emerging technologies like nanotechnology and artificial intelligence increases concern over their potential benefits. After participating in a deliberative forum, participants reported feeling more cautious and worried about human enhancement technologies.
Researchers at NIST and Cornell University developed a novel fabrication method called nanoglassblowing to create nanofluidic devices that can isolate single molecules in solution. The technique produces devices with funnels and tapered nanochannels, showing advantages over traditional planar channels.
Researchers at UC Davis use individual red blood cells as accurate force transducers to calibrate atomic force microscopes. This technique allows for precise measurement of forces between molecules and cells, advancing our understanding of cell biology.
NC State's Dr. Brenton Faber and Dr. David Berube are crafting a white paper to advise the government on communicating nanotechnology risks to the media and public. The goal is to ensure accurate risk communication for years to come.
Researchers have revealed the electronic structure of single DNA molecules, shedding light on their electronic properties and potential use in nanotechnology. The discovery has significant implications for understanding DNA damage and repair mechanisms, as well as the development of new DNA decoding technologies.
Researchers have developed a nanotech approach using coated silica particles that can efficiently remove biological molecules, pathogens, and organic pollutants from water. This innovative method could help prevent disease and poisoning for millions of people worldwide.
A recent survey of American households and U.S. nanotechnology scientists reveals differing views on the technology's potential risks and benefits. While scientists express concern over pollution and new health problems, the general public is more concerned about privacy issues and job losses.