Articles tagged with Adhesives
Scientists have developed a synthetic version of the self-healing sticky substance used by mussels to anchor themselves to rocks. The new material exhibits both strength and reversibility through metal bonds, allowing it to repair tears within minutes.
Researchers have created a new soy-based glue that can replace traditional wood adhesives, eliminating the release of formaldehyde vapors. The adhesive, made from soy flour and a special additive, performs as well as conventional adhesives but is environmentally friendly.
A Purdue University-led research team has uncovered the chemical components of oyster adhesive, which could aid in boosting dwindling oyster populations and creating non-toxic materials to prevent marine fouling. The findings also have implications for dentistry and construction.
A Stanford mechanical engineer created a robot that can climb smooth surfaces like glass using the sticky property of a gecko's foot. The robot uses a material with tiny hairs to create directional adhesion, allowing it to stick and unstick from surfaces easily.
Scientists have developed a new, eco-friendly adhesive made from soy flour and water-resistant additive that performs as well as traditional petroleum-based adhesives without releasing harmful formaldehyde vapors. The sustainable glue could lead to a resurgence of protein-based adhesives in the wood industry.
Researchers at Purdue University and the University of South Carolina have discovered a unique adhesive material in oysters that differs from other marine organisms. The cement, composed largely of chalky calcium carbonate, plays a crucial role in forming massive reef complexes.
David A. Dillard has received the 2010 Award for Excellence in Adhesion Science from the Adhesion Society, credited with exceptional insight and research on bonded systems. His work focuses on developing test methods, analysis procedures, and durability studies for adhesive joints under various environmental conditions.
Researchers discovered that caddisfly larvae's underwater silk adhesive is sticky and has potential to be used as a medical bioadhesive in surgery. The silk, known as 'rock rollers,' may be useful for sticking wet tissues together, similar to using a wet Band-Aid.
A Cornell University team invented a palm-sized device that uses water surface tension as an adhesive bond, allowing it to stick and unstick to surfaces. The device has potential applications in shoes, gloves, and Post-it-like notes.
Researchers have identified two new glycoproteins in spider web glue that can be used to develop a new generation of biobased adhesives. These proteins are produced from opposite strands of the same DNA sequence, making them a promising material for large-scale production and various applications.
Researchers discovered that sucker-footed bats of Madagascar use wet adhesion to attach themselves to surfaces, ruling out suction as the primary method. The finding helps scientists understand how these small creatures live in the wild and sheds light on the evolutionary relationship between two similar bat species.
Researchers have identified five common indoor plants that can effectively remove harmful VOCs from the air, reducing stress and symptoms of ill health. These plants, including purple waffle plant, English ivy, and Asparagus fern, have been shown to improve air quality and overall well-being.
Researchers at Kansas State University are developing bio-based adhesives made from soybean, corn, sorghum and biomass fuels to replace environmentally hazardous materials. These adhesives could improve the economics of sustainable fuels and reduce air pollution.
Scientists copy natural glue secreted by sandcastle worm to create new medical adhesive for repairing shattered bones. The synthetic glue is based on complex coacervates, ideal but unused method for making injectable adhesives.
Researchers have identified two new glycoproteins in spider web glue, which can be produced through opposite strands of the same DNA sequence. This discovery paves the way for large-scale production of biobased glues for various applications.
Researchers have copied the sandcastle worm's natural glue to create a synthetic adhesive for repairing bones, which could revolutionize fracture treatment. The new adhesive is biocompatible and twice as strong as the natural glue it mimics.
Researchers develop nanotechnology process to prevent bonding failure in composite resin fillings. By feeding minerals back into the collagen network, they aim to create a delivery system that can repair cavities on their own.
A new study analyzes interactions on the Moon among electrostatic adhesive forces, sun's rays angle and lunar gravity to conclude stickiness changes with sun elevation. Forces compelling dust to cling to surfaces weaken as sun moves higher in sky, allowing lunar gravity to pull off.
Researchers have developed new medical adhesives using marine mussel glue and inkjet technology that are non-toxic, biodegradable and precise, promising improved wound repair and reduced scarring in surgeries. The adhesives could replace traditional sutures, reducing complications and improving patient outcomes.
Scientists at Harvard University have discovered a way to synthesize and control the formation of nanobristles into helical clusters. The finding has potential use in energy, information storage, photonics, adhesion, capture and release systems, as well as particle mixing and transport.
Scientists have reproduced the protein responsible for mussel adhesion in a synthetic material, showing that adhesion is independent of link number. The findings could lead to manufacturing polymers with binding sites for different materials.
Researchers from Georgia Tech, University of Dayton, and others develop a stronger, more practical dry adhesive inspired by gecko feet. The new material creates directionally-varied adhesive force, with a gripping ability nearly three times that of real geckos.
The new adhesive sheds dirt particles with each use, unlike traditional sticky tapes that attract dust. After 30 simulated steps, the adhesive recovered one-third of its original adhesion strength, showing promise for future robot development.
Researchers Dagmar Voigt and Stanislav Gorb from the Max-Planck Institute for Metals Research discovered that mirid bugs' non-stick surface disrupts the adhesive properties of Roridula gorgonias' glue. The team found that the mirid bug's greasy coating prevents the glue from adhering to its surface, allowing it to evade capture.
A team of scientists discovered that mirid bugs possess a 30 times thicker coating than blowflies, which disrupts the glue's adhesive powers, allowing them to escape. The unique greasy layer prevents the glue from forming discrete blobs, instead running like a fluid over the surface.
A team of researchers from MIT and CNRS studied the phenomenon of triangular tears in adhesives like tape and plastic sheets. They found that these tears arise from interactions between three properties: elasticity, adhesive energy, and fracture energy. The study has potential industrial applications in microtechnologies.
Researchers at MIT have created a waterproof adhesive bandage inspired by geckos, which may soon be used to patch up surgical wounds or internal injuries. The bandage has a unique nanoscale landscape that allows it to stick in wet environments and is biodegradable.
Researchers developed a new synthetic adhesive that mimics gecko toe hairs, allowing for directional adhesion on smooth surfaces. The adhesive is made from hard plastic microfibers that become stronger with use and can detach without residue.
Researchers at UC Berkeley developed an adhesive that masters the gecko's grip-and-release trait, with a strong hold that gets stronger with use. The material uses tiny plastic fibers to establish traction, making it suitable for climbing equipment and medical devices.
A University of Calgary biologist has made a groundbreaking discovery about geckos' ability to stick to surfaces using their unique toe pads. By studying the microscopic level of setae structures on gecko feet, researchers found that friction plays a crucial role in geckos' adhesion system.
The project aims to create 'smart, self-assembling nano-biomaterials' that can control bacterial adhesion on synthetic surfaces. Successful development of these materials will enable the creation of more resistant biomedical implants.
The study identified specific parts of PfEMP1 that are likely to bond more strongly with receptors in blood vessels, producing a stronger adhesive effect. These protein parts are common in parasites causing severe malaria, and their identification could lead to the development of a vaccine to prevent the disease.
Researchers have designed a hybrid material that combines the dry adhesive properties of geckos with the underwater adhesive properties of mussels, producing a synthetic material that adheres well under both wet and dry conditions. The geckel nanoadhesive showed improved adherence compared to previous gecko-based synthetic adhesives.
Researchers have developed a synthetic adhesive, called 'geckel,' that exhibits strong yet reversible adhesion in both air and water. The material combines the adhesive properties of geckos with those of mussels, showing improved wet adhesion 15-fold over uncoated pillar arrays.
Scientists developed a flexible patch that can stick and unstick repeatedly like a gecko foot, featuring carbon nanotube hairs for improved properties. The material has potential applications in robotics, electronic devices, and outer space.
Researchers have developed a new method to create an adhesive that can withstand extremely high temperatures, with bonds growing stronger when heated. The 'nanoglue' has potential applications in computer chip manufacturing, energy production, and other industries where traditional adhesives fail.
A new automated system installs raised pavement markers (RPMs) along lane stripes while in motion, reducing risk to workers and drivers. The system is less labor-intensive, faster, and safer than manual placement, using less fuel and causing less wear on equipment.
Researchers at Max Planck Institute for Metals Research develop adhesive material mimicking beetle feet's microhairs for improved adhesion. The material exhibits excellent performance, lasting hundreds of applications and showing benefits such as no visible marks or need for cleaning.
Researchers use computer simulations to study the effect of adhesive patch size and density on cell adhesion. They found that protrusion height is the most critical factor, with small increases leading to faster adhesion rates.
Researchers at Oregon State University have developed stronger and less expensive wood-plastic composites that can use inexpensive plastics found in old carpet fibers. These new products have the potential to capture 20% of the decking market by 2010, reducing waste disposal concerns.
A Northwestern University team sheds light on mussel adhesive strategies, focusing on the amino acid DOPA, which forms strong noncovalent and covalent interactions with surfaces. This discovery could lead to development of medical implant coatings.
Researchers found that a single bacterial cell can withstand stress equivalent to five tons per square inch due to its adhesive properties. Hypothetically, the glue could be mass-produced for use in surgical adhesives, presenting a promising biodegradable alternative.
Researchers from Max Planck Institute for Metals Research and University of Hohenheim investigate the effect of two-layered crystalline wax on insect attachment. The upper layer contaminates insects' feet, while the lower layer reduces contact area between feet and substrate, resulting in slippery zone that traps insects.
Geckos' hairy feet exhibit an extreme adhesive ability due to a 'dry' system that uses water. The researchers found that increased air humidity strengthens the capillary forces between spatulae and substrates, enabling geckos to stick better on wet ceilings.
Researchers at Cornell University have developed a beetle-inspired switch that uses surface tension to create bonds, opening up possibilities for powerful adhesive bonding in arrays. The switch can be scaled down to the size of a micron and operates using water and electricity.
A new adhesive inspired by mussel protein has been developed, offering superior strength and water resistance. The adhesive is made from natural resources such as soy flour and lignin and does not use formaldehyde or other toxic chemicals.
Conductive adhesives offer an alternative to tin-lead solder, but overcoming low current density and corrosion challenges remained. Researchers at Georgia Tech used self-assembled monolayers and a three-part anti-corrosion strategy to increase current density, paving the way for high-performance conductive adhesives.
Researchers have identified a new protein structure in E. coli that helps understand how the bacteria attach to human kidney cells and secrete an adhesive protein. The discovery could lead to new treatments for urinary tract infections and other related diseases.
A new workholding technology uses light-activated adhesive to hold and release workpieces, offering an alternative to mechanical clamping. The technology has a yield strength of over 5500 pounds per square inch and can be used with a wide variety of workpieces.
A team of researchers has developed a new technique to directly measure protein binding forces, clarifying the role of membrane-anchored protein NCAM in cell adhesion. Their study reveals that NCAM forms two adhesive configurations, which are validated by experimental results and contribute to spatially distinct bonds.
Purdue University scientists have discovered that mussels use iron to create their natural adhesive, which could have applications in medicine and industry. The discovery, led by Jonathan Wilker, has the potential to develop new surgical adhesives, rustproof coatings and antifouling paints.
A researcher is developing photochemistry techniques that could help produce gasoline more efficiently and create new sensors for detecting pollutants. His work also has the potential to enhance the quality of microcircuitry and improve the aerospace and automobile industries.
Myxococcus xanthus bacteria evolved the ability to swarm socially on soft agar without filamentous appendages (pili), relying on an enhanced adhesive matrix composed of fibrils. This cooperative behavior depends on individual cells contributing to a public commons, enabling efficient swarming and cooperation.
Engineers are using chemical force microscopy to produce detailed information about adhesion between single-walled carbon nanotubes and molecules of candidate polymers. The researchers aim to find the strongest interaction, which will give them the best composite material for lightweight applications.
Allara and Nuzzo developed a model that allows researchers to study how molecules arrange themselves on surfaces, packing tightly and responding to their environment. This discovery has been used to advance various fields, including the development of artificial hearts, lubricated surfaces, and complex plastics.
A team of biologists and engineers has discovered that the gecko's adhesive power depends on weak van der Waals forces and geometry, not surface chemistry. They fabricated prototype synthetic foot-hair tips that stick like real geckos' feet, opening doors to manufacturing biologically inspired adhesives with widespread applications.
Researchers discover that metals like iron are essential for the synthesis of a biological matrix in ocean mussels. This finding could lead to the development of powerful adhesives and antifouling coatings.
Researchers at Virginia Tech are developing a more reliable and durable wood adhesive, polymeric isocyanate, to enhance the strength and stiffness of wood composites. The new adhesive reduces undesirable swelling caused by moisture and eliminates formaldehyde emissions.
Virginia Tech researchers are attaching DNA base pairs to polymer chain ends to create new materials with improved association, leading to stronger and reversible adhesives. The study explores how base pairs influence polymer structure, properties, and flow, paving the way for unique structures and applications.
Researchers study composite materials made from small trees, finding they can be as strong or even stronger than solid wood due to uniform properties and improved durability. The team investigates molecular adhesion and chemistry under simulated conditions to enhance durability.