Articles tagged with Nanofibers
Researchers have developed ultralight ceramic nanofiber sponges that can maintain resilience after compressive strain up to 50% and withstand temperatures of up to 800 degrees Celsius. These sponges also show promise as insulating materials with flexibility and for water purification applications.
Researchers at Georgia Tech have developed a nanofiber catalyst that improves the efficiency of rechargeable batteries and hydrogen production. The new catalyst, made from double perovskite nanofibers, shows significantly enhanced oxygen evolution reaction capability compared to existing materials.
Harvard researchers developed a portable, handheld device to fabricate nanofibers with precise control over fiber orientation. The pull spinning method uses only one processing parameter to regulate nanofiber diameter, making it easy to use and flexible.
University of Wisconsin-Madison engineers create a cost-effective method to harness footstep energy using wood pulp cellulose nanofibers. The technology has the potential to rival solar power and provide renewable energy even on cloudy days.
Harvard researchers have developed a new technique to produce tunable nanofibers, which could lead to stronger, more durable bulletproof vests and more robust cellular scaffolding for tissue repair. The method uses immersion Rotary Jet-Spinning (iRJS) to create fibers with controlled diameter and morphology.
Researchers have created a fabric material capable of degrading chemical warfare agents (CWAs), rendering them harmless. The unique 'nano-kebab' structure, formed by metal-organic frameworks (MOFs) on nanofibers, breaks down CWAs with half-lives as brief as 2.3 minutes.
Researchers at Vanderbilt University have developed a new nanofiber mat technology that increases fuel cell power output by 30 percent while reducing costs and improving durability. The technology is part of a $13 million DOE program to advance fuel cell performance and hydrogen storage technologies.
A new nanomaterial has been developed that is both transparent and highly conductive to electric current. The material, created through a cheap and simple method, has potential applications in roll-up touchscreen displays, wearable electronics, flexible solar cells, and electronic skin.
Researchers at Kyoto University have observed artificial nanofibers sorting themselves into organized structures under artificial conditions, a phenomenon similar to that seen in living cells. This achievement elucidates the mechanism of self-sorting and has potential applications in developing intelligent biomimics.
The OIST team developed an on-off switch with ultrathin optical fibers, using the quantum properties of rubidium atoms in the presence of different wavelengths of light. This proof-of-concept system could be used as a building block in a quantum network, enabling efficient data transfer and security.
Scientists have created nanofibers that enable directed energy transport over several micrometers, facilitated by quantum coherence effects. The discovery could lead to the development of new devices for harnessing sunlight and generating power.
Researchers have developed a technology to economically convert atmospheric CO2 into highly valued carbon nanofibers, which can be used in products like strong composites and sports equipment. The process uses electrolytic syntheses and is powered by solar energy, with potential to remove large amounts of CO2 from the atmosphere.
Researchers at MIT have developed a new technique for producing nanofibers that increases the rate of production fourfold while reducing energy consumption by over 90%. The technique uses tiny emitters to regulate fluid flow, resulting in uniform fibers even at high manufacturing rates.
The University of Georgia has developed a new, affordable way to create nanofibers by using magnetospinning. This process allows the production of high-quality nanofibers with various materials embedded within them, such as live cells, drugs, and proteins.
Researchers have developed new 3D designs for reconstructing damaged neural tissue using stem cells grown on nanofiber scaffolding within a supportive hydrogel. The approach guides neural connections, acting like a roadmap for cell growth and function.
Researchers have developed a method to embed patterned nanofibers in 3D hydrogel structures, guiding neurite outgrowth along the nanofibers. This technique enhances neurite length and can be used to replicate complex neural structures, offering potential for restoring damaged cells in the nervous system.
Researchers at UT Dallas created new materials that can stretch up to seven times their length while remaining tougher than Kevlar, absorbing up to 98 joules per gram. These nanofibers exploit electromechanical properties to form strong attractions between molecules.
Engineers at North Carolina State University and Xanofi developed a simple process to fabricate mass quantities of polymer nanofibers, with potential applications in filtration, batteries and cell scaffolding. The method uses liquid solution and spinning cylinder, producing nanofibers on a massive scale.
Researchers at the University of California, Riverside have developed a novel paper-like material composed of silicon nanofibers to boost lithium-ion battery performance. The material has the potential to increase specific energy by several times, making it suitable for electric vehicles and personal electronics.
Scientists have developed a topical microbicide loaded with hyaluronic acid nanofibers that could potentially prevent HIV transmission. The delivery system is triggered by semen fluid and provides prolonged retention at the target site, reducing discomfort.
Scientists create optical nanofibers to trap atoms in a fragile state, addressing the challenge of decoherence in quantum computers. The new method improves transmission loss by two orders of magnitude, paving the way for hybrid quantum processors.
Researchers at Uppsala University have developed a paper filter that can remove virus particles with efficiency matching the best industrial filters. The filter uses 100% high purity cellulose nanofibers directly derived from nature, overcoming previous limitations in virus removal.
Researchers have developed a thermal interface material that can conduct heat 20 times better than traditional polymers, allowing for reliable operation at temperatures of up to 200 degrees Celsius. The new material could improve thermal management in electronic devices, such as servers and mobile devices.
Researchers from North Carolina State University have successfully grown vertically aligned carbon nanofibers using ambient air without toxic ammonia. This breakthrough enables the mass production of these nanofibers, which hold promise for various applications, including gene delivery tools, sensors, and batteries.
A UNL-led team discovered that using small amounts of graphene oxide as a template improves carbon nanomaterials, leading to enhanced strength and other properties. The process could lower the cost of making composites significantly by requiring only small quantities of expensive nanoparticles.
Using an airbrush, researchers can grow vertically aligned carbon nanofibers on several metal substrates, opening the door for incorporating these nanofibers into gene delivery devices, sensors, batteries and other technologies. The technique enables large-scale manufacturing processes, making it suitable for various applications.
Researchers have discovered that novel nanofiber scaffolds can enhance the proliferation of spinal cord-derived neural stem cells while inhibiting apoptosis. The study found that these scaffolds regulate gene expression, promoting cell growth without inducing differentiation.
Scientists have discovered a novel cellulose structure that can be broken down with fewer enzymes, increasing sugar yields by as much as five times. This breakthrough could lead to an order of magnitude reduction in enzyme usage and more cost-effective biofuel production.
The University of Nebraska-Lincoln materials engineers developed exceptionally thin polyacrilonitrile nanofibers that are both strong and tough. This breakthrough could lead to lighter, safer products in various fields, including aerospace and body armor.
Scientists have developed a flexible, nanoscale material that can deliver precise doses of drugs to specific targets in the body. The new technology, called a 'bed of nails', uses aligned carbon nanofibers embedded in an elastic membrane to pierce cell walls and release medication.
Researchers developed nanofiber mats of metal oxide that scrub sulfur from fuels, improving performance for catalysis, energy applications, and toxic gas removal. The material stays stable and active after several cycles, with a fibrous structure granting immunity to sintering.
Researchers used tiny artificial fiber scaffolds to help develop cartilage in laboratory and animal models. The use of nanofiber scaffolds improved tissue development and repair, producing more durable type 2 collagen, which is usually lacking in surgically repaired cartilage tissue.
The study reveals that silicon-carbon nanocomposite electrodes can withstand repeated use and charging cycles without significant degradation. The electrodes' expansion and contraction caused by lithium ion flow are more even and less prone to imperfections, leading to improved battery performance and potential for longer lifetimes.
Researchers at NYU Tandon School of Engineering have developed a new method for creating nanofibers made of proteins that could improve drug delivery methods for treating cancers, heart disorders, and Alzheimer's disease. The fibers can also be used to regenerate human tissue, bone, and cartilage.
Scientists create a method for growing straight carbon nanofibers on clear substrate, enabling novel biomedical research tools and applications. The technique relies on ions to ensure the nanofibers are straight.
Researchers at NIST and Texas A&M University developed a coating made of carbon nanofibers and polymers that significantly reduces flammability in polyurethane foam. The coating achieved reductions of up to 158 percent better than nonhalogen flame retardants and 1,138 percent better than halogen-phosphorous flame retardants.
A team of researchers at Brown University and India Institute of Technology Kanpur created a scaffold-looking structure consisting of carbon nanofibers that regenerated natural heart tissue cells and neurons. The approach, if successful, would help millions of people suffering from heart attacks.
Researchers have developed a new material sensor that can detect when carbon filters in respirators become saturated with toxic vapors, providing a more accurate warning for emergency workers. The sensor uses photonic crystals made of carbon nanofibers, which change color as the filter absorbs chemicals.
Scientists have created star-shaped, biodegradable polymers that can self-assemble into hollow nanofiber spheres. When injected with cells into wounds, these spheres biodegrade, but the cells thrive and form new tissue. The technique shows promise for repairing complex or oddly shaped tissue defects.
New technology encasing antibiotics in nanofibers kills a variety of disease-causing bacteria and fungi, including Escherichia coli and Pseudomonas aeruginosa. The treatment boosts the power of antibiotics, making them effective for longer periods.
Researchers at North Carolina State University have developed a new method for creating uniform carbon nanofibers, which could enable precise scientific measurement tools and medical imaging devices. The technique uses nickel nanoparticles coated with ligand shells to grow carbon nanofibers of specific sizes.
US Department of Agriculture researchers have created strong yet pliable films made from a blend of gelatin from Alaskan pollock skins and polylactic acid. These films may be used in tissue-engineering labs to produce semi-synthetic tissue for bone and cartilage repair, potentially speeding up recovery times.
A team of UCLA chemists and engineers has developed a new method for coating large surfaces with nanofiber thin films that are both transparent and electrically conductive. The technique, published in the Proceedings of National Academy of Sciences, uses a solution-based approach and can be applied to virtually any surface.
Dr. Yong Shi's innovative nano-generators convert mechanical energy into electrical energy, powering wireless devices and implantable biosensors. This technology has vast potential for various industries and research fields.
Researchers at Harvard University have created a new method for fabricating tiny nanofibers using rotary jet spinning, which offers more control and greater yield than traditional electrospinning. The device has potential applications in biocompatible materials, air filters, artificial organs, and tissue regeneration.
Researchers at UC Berkeley developed energy-scavenging nanofibers that can harness body movements to power hand-held electronics. The fibers have piezoelectric properties and high efficiency rates, enabling the creation of wearable 'smart clothes' with no perceptible change in comfort for users.
Researchers at the University of Illinois have developed a new process to create freestanding nanofibers in complex shapes and unlimited lengths. The process uses rapid evaporation of solvent from simple
Researchers use nanotechnology to enhance nerve cell regeneration, bypassing inhibitory environments. Magnetic nanoparticles create mechanical tension, while aligned nanofibers provide a bioactive matrix for growth.
Researchers at UC San Diego are studying spiral-shaped carbon nanotubes for new switching and memory storage devices. These nanotubes may outperform conventional silicon technologies in terms of power consumption, radiation hardness, and heat dissipation.
Researchers have developed a biodegradable wipe that can detect bacteria, viruses, and other biohazards using nanofibers containing antibodies. The new process could be used by anyone to rapidly uncover pathogens in contaminated areas, providing a fast indication of whether a biohazard is present.
A team of researchers at Cornell University has developed a biodegradable absorbent wipe that can detect bacteria, viruses, and other biohazards using sensitive nanofibers. The innovative material is inexpensive, easy to use, and can provide fast indication of contaminant presence, enabling quick disinfection and retesting.
Researchers at UC Berkeley developed a method to create nanofibers in a controlled manner, overcoming the chaotic process of conventional electrospinning. By reducing the distance between the ejector and collection points, they achieved directed and precise deposition of fibers with diameters ranging from 50 to 500 nanometers.
Researchers at Penn State developed a new nanofiber fabrication technique inspired by forensic science's fingerprint development method. The technique produces biocompatible materials, including fibers with diameters in the 200-250-nanometer range and nano-sized spheres.
Researchers have developed a strategy to deliver PDGF-BB to the infarcted heart using injectable self-assembling peptide nanofibers, protecting cardiomyocytes from death and preserving cardiac function. The therapy reduced infarct size and improved cardiac function in rats.
Researchers at NIST and UPenn found that jammed networks formed by carbon nanotubes or nanofibers can create a continuous, heat-shield layer on top of polymer matrices, suppressing vigorous bubbling and improving flammability resistance. Optimal gel concentrations for single- and multi-walled carbon nanotubes were 0.5% and 1%, respecti...
Researchers at Purdue University have developed a method to align carbon nanotubes and filaments, similar to collagen fibers in real bones. This alignment improves cell adhesion and growth, potentially leading to better artificial joints that last longer and attach more securely to human bones.
Researchers at UCLA have successfully developed a new method of nano flash welding, allowing for the creation of thermally absorbent materials that can weld together without burning. This breakthrough has significant implications for various industries, including chemical sensors, separation membranes, and nano devices.
Researchers create self-assembled nanofibers resembling collagen fibrils in real bone, enabling mineralization and promoting cell attachment. The synthetic nanofibers offer potential applications in bone fractures, tissue regeneration, and electronics.