Researchers at Stanford and Berkeley Lab’s Molecular Foundry have developed virus-killing molecules called peptoids. The technology could make possible an emerging category of antiviral drugs that could treat everything from herpes and COVID-19 to the common cold.
Tag: nanotechnology
Calling all couch potatoes: this finger wrap can let you power electronics while you sleep
A new wearable device turns the touch of a finger into a source of power for small electronics and sensors. Engineers at the University of California San Diego developed a thin, flexible strip that can be worn on a fingertip and generate small amounts of electricity when a person’s finger sweats or presses on it. What’s special about this sweat-fueled device is that it generates power even while the wearer is asleep or sitting still.
Innovation in Cancer Prevention – Bio-robots Transporting Cordyceps Extract
Chula researchers celebrate the success of Active Targeting, a revolutionary innovation in the medical industry using bio–robots to deliver targeted cordyceps extract to halt cancer with reduced side effects.
Tiny but mighty precipitates toughen a structural alloy
Scientists at Oak Ridge National Laboratory and the University of Tennessee, Knoxville, have found a way to simultaneously increase the strength and ductility of an alloy by introducing tiny precipitates into its matrix and tuning their size and spacing.
Putting Functional Proteins in Their Place
Using DNA, scientists organized bioactive proteins in desired 2-D and 3-D ordered arrays—promising for structural biology, biomedicine, and more.
Super productive 3D bioprinter could help speed up drug development
A new 3D bioprinter developed by UC San Diego nanoengineers operates at record speed—it can print a 96-well array of living human tissue samples within 30 minutes. The technology could help accelerate high-throughput preclinical drug screening and make it less costly.
New Dual-Beam Microscope Installed at the Center for Functional Nanomaterials
This latest-generation tool, which combines a scanning electron microscope and focused-ion beam, has advanced capabilities for preparing and analyzing nanomaterial samples.
Nina Balke: Then and Now / 2011 Early Career Award Winner
Nina Balke is a senior research scientist at the Center for Nanophase Materials Sciences, studying Li-ion batteries to eliminate performance bottlenecks, understand performance fade, and design better batteries from the bottom up.
OU Researcher Receives 2021 NSF CAREER Award
The NSF awarded Stefan Wilhelm a $761,727 CAREER award to continue his research in nanotechnology, which assists in the diagnosis and treatment of diseases such as cancer. Wilhelm’s work focuses on individual nanoparticles – which are about 1,000 times smaller than the diameter of a human hair – and how they interact with the body’s cells.
ORNL’s Sergei Kalinin elected Fellow of the Microscopy Society of America
Sergei Kalinin, a scientist and inventor at the Department of Energy’s Oak Ridge National Laboratory, has been elected a Fellow of the Microscopy Society of America professional society.
Nanotechnology offers new hope for bowel cancer patients
Bowel cancer is the second deadliest cancer in the world, killing almost 900,000 people in 2020. New research from Indian and Australian scientists suggests that nanotechnology could provide a more effective treatment option than conventional therapy.
Science Snapshots From Berkeley Lab
Science Snapshots From Berkeley Lab – Water purification, infant-warming device, cuff-based heart disease monitor, ancient magnetic fields
Heavy charge against water germs
Removing pathogens from drinking water is especially difficult when the germs are too tiny to be caught by conventional filters. Researchers at Empa and Eawag are developing new materials and processes to free water from pathogenic microorganisms such as viruses.
nanoComposix completes ISO13485:2016 Certification for Quality Management System
nanoComposix is proud to announce the successful expansion of its Quality Management System (QMS) to include ISO 13485:2016 certification.
This hydrogen fuel machine could be the ultimate guide to self improvement
Scientists at Berkeley have uncovered an extraordinary self-improving property that transforms an ordinary semiconductor into a highly efficient and stable artificial photosynthesis device
Revealing Nano Big Bang – Scientists Observe the First Milliseconds of Crystal Formation
At Berkeley Lab’s Molecular Foundry, scientists recruited a world-leading microscope to capture atomic-resolution, high-speed images of gold atoms self-organizing, falling apart, and then reorganizing many times before settling into a stable, ordered crystal.
Nanotech scientists create world’s smallest origami bird
Cornell University researchers have created micron-sized shape memory actuators that enable atomically thin two-dimensional materials to fold themselves into 3D configurations. All they require is a quick jolt of voltage. And once the material is bent, it holds its shape – even after the voltage is removed.
UCI-led team creates new ultralightweight, crush-resistant tensegrity metamaterials
Irvine, Calif., March 11, 2021 – Catastrophic collapse of materials and structures is the inevitable consequence of a chain reaction of locally confined damage – from solid ceramics that snap after the development of a small crack to metal space trusses that give way after the warping of a single strut. In a study published this week in Advanced Materials, engineers at the University of California, Irvine and the Georgia Institute of Technology describe the creation of a new class of mechanical metamaterials that delocalize deformations to prevent failure.
Twistoptics—A New Way to Control Optical Nonlinearity
Columbia Engineering researchers report that they developed a new, efficient way to modulate and enhance an important type of nonlinear optical process: optical second harmonic generation—where two input photons are combined in the material to produce one photon with twice the energy—from hexagonal boron nitride through micromechanical rotation and multilayer stacking. Their work is the first to exploit the dynamically tunable symmetry of 2D materials for nonlinear optical applications.
Scientists improve understanding of plasma source for synthesis of nanomaterial for microchips and numerous products
Researchers have developed an insight that could facilitate production of microscopic carbon nanotubes, structures thousands of times thinner than a human hair used in everything from microchips to sporting goods to pharmaceutical products.
Scientists Use Lipid Nanoparticles to Precisely Target Gene Editing to the Liver
Scientists developed a highly efficient, targeted method for delivering gene editing machinery to specific tissues and organs, demonstrating the treatment of high cholesterol by targeting genes in the liver of mice, reducing cholesterol for over 3 months (and potentially more) with one treatment
Researchers watch anti-cancer drug release from DNA nanostructures in real time
A team of researchers from Finland and Germany have found a way to study the endonuclease-driven digestion of drug-loaded DNA nanostructures in real time. As the team investigated the binding of anti-cancer drug doxorubicin (Dox) to the DNA structures in great detail, they discovered that the majority of previous studies have vastly overestimated the Dox loading capacity of DNA origami.
Biomaterials Could Mean Better Vaccines, Virus-Fighting Surfaces
Advances in the fields of biomaterials and nanotechnology could lead to big breakthroughs in the fight against dangerous viruses like the novel coronavirus that causes COVID-19. In APL Bioengineering, researchers from the Indian Institute of Science describe possibilities being explored by scientists, combining biomaterials and nanotechnology, to make vaccines more effective and build surfaces that could fight and kill viruses on their own.
Imaging technique provides link to innovative products
A study led by University of Georgia researchers announces the successful use of a new nanoimaging technique that will allow researchers to test and identify two-dimensional materials.
LLNL and United Kingdom company to collaborate on development of universal coronavirus vaccine
ConserV Bioscience Limited (CBL) and Lawrence Livermore National Laboratory (LLNL) have agreed to collaborate on the development of a broad-spectrum or “universal” coronavirus vaccine.
Tiny Tunable Terahertz Lasers Ready to Fly in Space
Researchers have achieved a tiny laser that operates in the terahertz frequencies for potential applications in imaging and scanning applications. Previous terahertz lasers required bulky laboratory equipment to stay cool enough to function. The new devices are the first to simultaneously reach three key performance goals—high power, tight beam, and broad frequency tuning—in a design that can work outside a laboratory and even in space.
Daniel Fredrickson: Then and Now / 2010 Early Career Award Winner
Daniel Frederickson, a professor in the Department of Chemistry at the University of Wisconsin-Madison, is studying metallics to develop strategies for creating new materials able to merge different functional domains at the nanometer scale.
Cybersecurity expert: After Russian hack, common security tools, including cloud-based multi-factor systems, shown to be less effective in preventing attacks
Bertrand Cambou, a professor of nanotechnology and cybersecurity at Northern Arizona University, is available to discuss what went wrong in the Russian hack attack revealed this week and what organizations, including the U.S. government, can learn from the attack. Cambou…
This Anti-COVID Mask Breaks the Mold
To address PPE shortages during the pandemic, scientists at Berkeley Lab and UC Berkeley are developing a rechargeable, reusable, anti-COVID N95 mask and a 3D-printable silicon-cast mask mold.
Decorating Semiconductors at the Atomic Scale
Combining two different semiconductors can create new properties. The way these combinations work depends on how the semiconductors are arranged and contact one another. Researchers have developed a new way to grow semiconductor crystals about 100,000 times smaller than the width of a human hair. This new synthesis method independently controls the arrangements and sizes of the crystals.
Virus-like probes could help make rapid COVID-19 testing more accurate, reliable
Nanoengineers at the University of California San Diego have developed new and improved probes, known as positive controls, that could make it easier to validate rapid, point-of-care diagnostic tests for COVID-19 across the globe. The advance could help expand testing to low-resource, underserved areas.
New Material Designed by Berkeley Lab ‘Mines’ Copper from Toxic Wastewater
A research team led by Berkeley Lab has designed a new material – called ZIOS (zinc imidazole salicylaldoxime) – that extracts copper ions from mine wastewater with unprecedented precision and speed.
Charges Cascading Along a Molecular Chain
Removing one charged molecule from a one-dimensional array causes the others to alternately turn ‘on’ or ‘off,’ paving the way for information transfer in tiny circuits
Rutgers Expert Available to Discuss Risk Perception in COVID-19 Era
New Brunswick, N.J. (Oct. 26, 2020) – Rutgers University–New Brunswick Professor William Hallman is available for interviews on the science of risk perception and its practical implications in the COVID-19 era – a time of fear and anxiety among millions of…
Type 1 diabetes: Tannic acid encapsulation protects transplanted islets from rejection
Transplanting cadaver pancreatic islets is a promising therapy for Type 1 diabetes, but a reactivated autoimmunity means low graft viability after five years. Research now shows that a protective coating of two biopolymers can delay allograft and autoimmune-mediated rejection in mouse models of T1D.
Do the twist: Making two-dimensional quantum materials using curved surfaces
Scientists at the University of Wisconsin–Madison have discovered a way to control the growth of twisting, microscopic spirals of materials just one atom thick. The continuously twisting stacks of two-dimensional materials built by a team led by UW–Madison chemistry Professor Song Jin create new properties that scientists can exploit to study quantum physics on the nanoscale.
Researchers create a tool that can pull an elusive COVID-19 marker from human blood
Researchers at Canada’s McMaster University and SQI Diagnostics have created a surface that repels every other element of human blood except a critical indicator of infection, opening a timely window for understanding the progress of COVID-19 in individual patients.
What’s Nanotechnology? Kristin Persson Explains at 4 Different Levels
In celebration of National Nanotechnology Day, Molecular Foundry Director Kristin Persson explains atomic-scale engineering at four different levels – for a kindergartner, a middle schooler, a high school senior, and a graduate student
UCI biochip innovation combines AI and nanoparticle printing for cancer cell analysis
Irvine, Calif., Oct. 7, 2020 – Electrical engineers, computer scientists and biomedical engineers at the University of California, Irvine have created a new lab-on-a-chip that can help study tumor heterogeneity to reduce resistance to cancer therapies. In a paper published today in Advanced Biosystems, the researchers describe how they combined artificial intelligence, microfluidics and nanoparticle inkjet printing in a device that enables the examination and differentiation of cancers and healthy tissues at the single-cell level.
Blocking vibrations that remove heat could boost efficiency of next-gen solar cells
Led by the Department of Energy’s Oak Ridge National Laboratory and the University of Tennessee, Knoxville, a study of a solar-energy material with a bright future revealed a way to slow phonons, the waves that transport heat.
New nanotechology design provides hope for personalized vaccination for treating cancer
A new study demonstrates the use of charged nanoscale metal-organic frameworks for generating free radicals using X-rays within tumor tissue to kill cancer cells. The same frameworks can be used for delivering immune signaling molecules to activate the immune response against tumor cells.
International research team develops articifial lung to support pre-term babies in distress
An international team led by current and former McMaster University researchers has developed an artificial lung to support pre-term and other newborn babies in respiratory distress.
Converting solar energy to hydrogen fuel, with help from photosynthesis
Recently, scientists have achieved record efficiency for solar-to-fuel conversion, and now they want to incorporate the machinery of photosynthesis to push it further. They present their results today at the American Chemical Society Fall 2020 Virtual Meeting & Expo.
Elongated Ring Polymers Get Tied Up in Knots
Scientists have used simulations to discover a special polymer liquid that, when elongated don’t just stretch out; they also tie themselves into knots. This forms massive molecular chains that can increase the fluid’s viscosity, or resistance to flow, by a factor of 20.
‘Blinking” Crystals May Convert CO2 into Fuels
Imagine tiny crystals that “blink” like fireflies and can convert carbon dioxide, a key cause of climate change, into fuels. A Rutgers-led team has created ultra-small titanium dioxide crystals that exhibit unusual “blinking” behavior and may help to produce methane and other fuels, according to a study in the journal Angewandte Chemie. The crystals, also known as nanoparticles, stay charged for a long time and could benefit efforts to develop quantum computers.
A Nanomaterial Path Forward for COVID-19 Vaccine Development
From mRNA vaccines entering clinical trials, to peptide-based vaccines and using molecular farming to scale vaccine production, the COVID-19 pandemic is pushing new and emerging nanotechnologies into the frontlines and the headlines.
Nanoengineers at UC San Diego detail the current approaches to COVID-19 vaccine development, and highlight how nanotechnology has enabled these advances, in a review article in Nature Nanotechnology published July 15.
Scientists Dive Deep Into Hidden World of Quantum States
A research team led by the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) has developed a technique that could lead to new electronic materials that surpass the limitations imposed by Moore’s Law.
Process for ‘two-faced’ nanomaterials may aid energy, information tech
A team led by Oak Ridge National Laboratory implanted atoms precisely into the top layers of ultra-thin crystals, yielding two-sided Janus structures that may prove useful in developing energy and information technologies.
At the Interface of Organic Chemistry and Nanotechnology with Adam Braunschweig
Adam Braunschweig—a CUNY ASRC associate professor—is a user at Brookhaven Lab’s Center for Functional Nanomaterials (CFN) studying how molecules in organic semiconductor thin films pack together.
Cellular nanosponges could soak up SARS-CoV-2
Researchers reporting in Nano Letters have used nanosponges coated with human cell membranes –– the natural targets of the virus –– to soak up SARS-CoV-2 and keep it from infecting cells in a petri dish.