Articles tagged with Fibers
A unique Stone Age burial site in Finland uncovered a child between 3-10 years old, accompanied by bird feathers from a waterfowl or falcon, as well as dog or wolf hairs. The discovery provides valuable insights into ancient burial habits and the use of soil analysis to trace plant and animal remains.
Researchers at MIT and the University of Tokyo have developed a technique to synthesize many
Researchers developed a fabric with nano-scale threads containing phase-change materials to regulate body temperature. The textile combines electrothermal and photothermal coatings for enhanced thermal regulation. It has the potential to alleviate heat or cold stress in workers and travelers, offering improved comfort and safety.
Scientists at Shinshu University created an ultrathin fiber-mesh thermistor that improves the performance of wearable medical sensors. The new technology provides overheat protection, gas-permeability, and transparency, making it suitable for on-skin or implantable devices.
Researchers developed a novel three-core optical fiber sensor to accurately measure both the magnitude and direction of spine curvature. The sensor offers advantages like low cost, high sensitivity, and small size, making it a promising tool for doctors to diagnose problems in spine curvature.
Scientists developed a cellulose nanofiber-carbon fiber composite film with excellent in-plane anisotropic thermal conductivity, improving heat dissipation in thin-film devices. The material also exhibits recyclability and can be reused after burning the cellulose matrix.
Researchers at Stockholm University have developed a novel value chain to produce textile fibers and biofuel from fast-growing poplars. This sustainable approach enables the conversion of marginal land from cotton to food production, minimizing water consumption and supporting global food security.
Researchers at Ural Federal University develop infrared optical fibers with high transparency and low optical losses, suitable for applications in space, laser surgery and medical imaging. The fibers retain their properties even when exposed to ionizing radiation.
The researchers achieved ultranarrow linewidths and wavelength tunability in the lithium niobate microlaser, enabling applications like lidar and metrology. The single-mode lasing is realized through simultaneous excitation of high-Q polygon modes at both pump and laser wavelengths.
Bioengineers from Harvard John A. Paulson School of Engineering and Applied Sciences create first biohybrid model of human ventricles with helically aligned beating cardiac cells, increasing blood pumping efficiency by up to 50%. The model was made possible using Focused Rotary Jet Spinning (FRJS), a new method of additive textile manu...
A team of researchers has successfully created complex artificial tissue models, including a full-scale human heart model, using focused rotary jet spinning. This method enables the creation of intricate details and spatially varying alignment, rivaling biological tissues in mechanical behavior.
Researchers at Rice University have successfully created the first heat-tolerant, stable fibers from boron nitride nanotubes using a wet-spinning process. The fibers assemble themselves into liquid crystals, making them easier to process and suitable for large-scale applications in aerospace, electronics, and energy-efficient materials.
Researchers investigated the cell adhesion behavior on spider silk fibers, films, and nanofibers. The study found that native spider silk exhibits superior properties for medical use, preventing blood clots and enduring repetitive loading and unloading.
Researchers developed a scalable process for a biodegradable coating that protects against pathogenic and spoilage microorganisms, transportation damage, and reduces weight loss in avocados by 50%. The coating can be rinsed off with water and degrades in soil within three days.
Researchers discovered mistletoe viscin can be stretched into thin films or assembled into 3D structures, showing its potential as a wound sealant or skin covering. The material's reversible adhesive qualities make it highly versatile for diverse applications.
Researchers developed a method to improve the dynamic behavior of bolted connections by pasting a thin GFRP plate, increasing bearing strength and reducing fracture behavior. The study aims to create safer, more secure and lighter building structures with longer lifespans.
Researchers developed a nanocomposite coating method using Langmuir-Blodgett technology to improve wig durability, reducing UV damage, breakage, and static electricity. The new coating provides better coverage than previous methods and can be scaled up for mass production.
Researchers created a new fiber that performs like a muscle actuator, outperforming existing options in efficiency, flexibility, and strain handling. The fibers can be easily made and recycled, opening up potential applications in prosthetic limbs, robotic arms, and self-closing bandages.
Researchers from NICT demonstrated a record-breaking 1.02 petabit per second transmission capacity in a 4-core MCF with a standard 0.125 mm cladding diameter, exceeding 20 THz optical bandwidth with 801 parallel wavelength channels.
Brazilian researchers have discovered two novel enzyme families in the capybara's gut, which can accelerate the utilization of agroindustrial waste. The enzymes have biotechnological potential and can be used to produce biofuels, biochemicals, and biomaterials.
Researchers develop less-corrosive solutions using methanesulfonic acid, p-toluenesulfonic acid and oleum acids to separate and process nanotubes. The new method enables scalable production of advanced materials with excellent electrical and mechanical properties.
Researchers at Washington State University found that incorporating old mask materials into cement mixtures creates stronger, more durable concrete. The mixture is 47% stronger than commonly used cement after a month of curing.
A new analysis found that domestic dryers produce far more microfibers than washing, but using fabric conditioners and lint filters with smaller pore size can significantly reduce their release. The study suggests improving dryer design or switching to heat-pump condenser dryers as the best long-term solution.
A team of researchers led by Prof. Federico Rosei is developing high-power active optical fibers doped with erbium and ytterbium for ultra-fast satellite communications. The goal is to convert heat dissipated by the fibers into electrical energy, enabling near real-time Earth observation imaging.
Researchers at UBC Okanagan have adapted a plastination technique to strengthen bamboo and reduce its degradation rate, making it more environmentally friendly. The innovation has the potential to significantly reduce non-degradable waste in industries such as construction and packaging.
Researchers at MIT have developed a way to create lightweight fibers out of petroleum residue, offering advantages over traditional carbon fiber materials. The new process uses heavy waste material left over from refining, reducing production costs and enabling the creation of load-bearing applications.
A new fabric developed by MIT engineers can detect subtle heartbeat features and the direction of sudden sounds, enabling real-time monitoring of vital signs. The fabric works like a microphone, converting sound vibrations into electrical signals.
Wind turbine blades made from glass fibre-reinforced polymer can serve up to 25 years before ending up in landfills. Lithuanian researchers have proposed a method to break down these composites, extracting usable materials like phenol and fibre for reuse.
A team of scientists led by Samuel Dunning has developed an original technique to predict and guide the ordered creation of strong, yet flexible, diamond nanothreads. The innovation allows for easier synthesis of the material, which has potential applications in space elevators, ultra-strong fabrics, and other fields.
Research simulations show cloth masks filter out only 10% of airborne particles, making them ineffective against airborne viral transmission. The study recommends using N95s or FFP2s for mask protection instead.
Scientists at Tel Aviv University have created two-dimensional polymer microfiber networks that exhibit shape memory properties. These networks can be controlled by temperature-induced changes, allowing for morphing materials with microscale resolutions.
Researchers at GIST have developed a new approach for designing fiber reinforced composites, which can simultaneously optimize the macrostructure and microscale fiber densities. This method, based on multiscale topology optimization, enables the creation of functionally graded composites with improved strength-to-weight ratios, benefit...
A new study by Tel Aviv University researchers found that microplastics absorb and concentrate toxic organic substances, increasing their toxicity by a factor of 10. This may lead to severe impact on human health due to contaminated food and drink.
Researchers have produced double-sided spider silk fibers that can attract nerve cells and stimulate their growth. The fibers were created using a biotechnological approach and modified with different proteins to make one side more attractive to cells, while the other side could be used to attach factors or substances.
Researchers developed a multifunctional microfiber probe for real-time monitoring of cellular molecules and changes in cell morphology. The nanowire probe enabled sensitive detection of refractive index distribution in single living cells during apoptosis.
A pilot study reveals that a single dryer can discharge up to 120 million microfibers annually, exceeding washing machine releases. Microfibers from natural and synthetic fabrics are released through friction in the dryer, posing environmental concerns.
Researchers have created a rechargeable lithium-ion battery in an ultra-long fiber that can be woven into fabrics, enabling self-contained wearable electronic devices. The 140-meter long fiber battery demonstrates the potential for practical applications in various fields, including communications, sensing, and computational devices.
The study of four Baroque-era paintings reveals that flax fibres from fabrics a few hundred years old have undergone more degradation than those from thousand-year-old Egyptian mortuary linens. The researchers used various high-resolution optical analysis methods to analyse the fibre structure without degrading the samples.
Researchers developed a healable carbon fiber composite that can be repeatedly healed with heat, reversing fatigue damage. This material provides a way to break it down and recycle when it reaches the end of its life, offering a sustainable alternative to traditional thermosets.
Researchers at the University of Tsukuba have developed a strong, flexible conductive fiber using bagworm silk and synthetic polymers. The composite fibers exhibit promising properties for wearable electronic devices, tissue engineering, and microelectronics.
A team of researchers from Japan has developed a platform using nanofibers to capture and control the migration of brain tumor cells, including glioblastoma multiforme. The study found that varying fiber densities can slow or speed up cell movement, leading to the creation of 'cell traps' that can restrict tumor cell growth.
A 13-year-long study finds that fiber-reinforced polymer (FRP) coatings can sustain concrete structures for extended periods. The study tested FRP and glass fiber reinforced polymer (GFRP) systems under various environmental conditions, revealing significant impact on bond behavior.
Researchers have measured the transverse electrical resistivity of a single carbon fiber using the van der Pauw method, revealing directional-dependent properties. This discovery paves the way for developing lightning strike protection technologies for aerospace and other industries.
Researchers investigated glass fiber-reinforced epoxy-based flat laminates with pultrusion, a fast and versatile composite manufacturing process. The study found significant promise for structural applications of these 'shape memory' composites in various industries.
Researchers found that nanofibers coalesce irreversibly during water aerosol exposure, reducing effective fiber length for capturing aerosols. This study aims to improve design and use of face masks made with nanofibers, highlighting the need for frequent replacement in cold environments.
Researchers at Washington University in St. Louis have developed a method to produce synthetic muscle protein using microbes, which can be spun into fibers with exceptional toughness and strength. The resulting material has potential biomedical applications, such as sutures and tissue engineering.
Researchers from Skoltech and KU Leuven used machine learning to reconstruct 3D micro-CT images of fibrous materials, overcoming the difficulties faced by humans in analyzing these complex materials. The team employed GANs to fill a gap in available inpainting tools, enabling precise material analysis and simulation.
Researchers at Skoltech developed a mathematical model for thermoplastic composite materials, reducing conservatism in strength calculations. The model allows for virtual testing of structures, minimizing manufacturing costs while ensuring safety and quality requirements.
A new recipe combining chickpea flour and psyllium has resulted in a more nutritious and acceptable gluten-free bread. The product contains high amounts of fiber, proteins, vitamins, and minerals, and has been rated highly by consumers in qualitative surveys.
A team of researchers at Washington University in St. Louis has developed artificially designed, amyloid-silk hybrid protein produced in engineered bacteria that surpasses the strength and toughness of natural spider silks, as well as steel and Kevlar.
Researchers from NICT demonstrated a world record 319 Tb/s long-haul transmission of wideband S, C and L-bands signal using 552 PDM-16QAM channels in a 4-core optical fiber. The system enabled transmission distance over 3,001 km with both erbium and thulium doped-fiber amplifiers and distributed Raman amplification.
Researchers at the University of Houston have developed a small, flexible, and cost-effective acrylonitrile modular reactor that can produce feedstock near geographically distributed carbon fiber plants. This technology aims to improve access to affordable feedstock for carbon fiber producers by reducing energy costs.
Researchers from SUTD developed Automated Fibre Embedding (AFE) to produce complex fibre and silicone composite structures for soft robotics. The AFE approach enables high precision fabrication without manual user intervention.
Aalto University researchers discovered that wood-based pulp fibers are well-suited for making acoustic materials. These natural fibers have positive environmental impacts compared to traditional acoustic materials, absorbing significant amounts of carbon dioxide from the atmosphere and producing more energy-efficient products.
A new design method for optimizing fiber orientation and thickness simultaneously reduces the weight of carbon fiber reinforced plastics by more than 5% while maintaining its strength. The approach, developed by researchers at Tokyo University of Science, enables higher load transfer efficiency compared to traditional methods.
A recent study from Georgia Institute of Technology found that the type of material and number of fabric layers used in homemade masks significantly affect Covid-19 exposure risk. The best-performing materials for masks were blackout drapery and sterilization wrap, which provide an overall filtration efficiency of about 50% for submicr...
Researchers at Nanyang Technological University, Singapore (NTU Singapore) have designed a smart device that harnesses sunlight to illuminate underground spaces. The device uses an acrylic ball and plastic optical fibre to focus sunlight onto a cable, which is then transported to underground locations to provide light.
The new battery has an energy density of 24 Wh/kg, ten times higher than previous prototypes, and a stiffness of 25 GPa. This breakthrough paves the way for 'massless' energy storage in vehicles and consumer electronics.
A new recycling method for carbon fibre composites has been developed by researchers from the University of Sydney, maintaining 90% of their original strength. The process uses a two-phase approach, including pyrolysis and oxidation, to preserve the functionality of carbon fibres.
Researchers have developed a new type of photonic crystal fiber with a hybrid Kagome-tubular lattice structure, achieving ultralow loss and single-mode operation. The fiber's cladding design significantly reduces confinement loss and ensures robust single-mode performance.