Articles tagged with Adhesives
Scientists developed an injectable biomaterial with improved adhesion, stretchability, and toughness, making it ideal for surgical wound sealing. The material showed superior adhesive strength, stability, and biocompatibility in physiological conditions.
Researchers at Pusan National University have created a portable molecular sensor that detects biogenic amines released from spoiled food using polydiacetylene-based beads. The sensor, which changes color to red upon binding with BAs, can be used for rapid visual detection of spoiled food during storage and distribution.
Scientists have developed a conductive polymer coating called HOS-PFM that can significantly enhance the performance of lithium-ion batteries in electric vehicles. The coating ensures battery stability and high charge/discharge rates while extending battery life by up to 15 years.
Scientists at Rice University have developed a new technique using the 'flash Joule' method to transform plastic waste into high-value carbon nanotubes and hybrid nanomaterials. This process is more energy-efficient and environmentally friendly than traditional methods, making it a promising solution for recycling plastic waste.
Researchers at the University of São Paulo developed a portable, flexible copper sensor that can detect heavy metals like lead and cadmium in sweat. The device is made from ordinary materials and is simple to produce, making it accessible for non-specialists and technicians.
Caulobacter crescentus uses a toxin-antitoxin system to regulate programmed cell death in response to oxygen limitation, releasing DNA that promotes sibling dispersion. This mechanism helps maintain biofilm balance and prevents overcrowding.
Researchers developed a new device, MAGENTA, that prevents and supports muscle atrophy recovery. The device stimulates muscles to stretch and contract, triggering key molecular pathways for growth. It has potential applications in treating various diseases such as ALS and MS.
A genome-wide association study identified three significant loci for frozen shoulder, including WNT7B, associated with a nearly sixfold increase in the odds of developing the condition. The findings may provide new insights into the development and treatment of adhesive capsulitis.
Researchers from McGill University developed a medical adhesive inspired by flatworms that uses suction to absorb blood and promote blood coagulation. The adhesive can be removed without causing re-bleeding, making it a potential replacement for wound sutures or delivering drugs.
A new biomaterial has been developed to prevent bleeding complications after vascular surgeries, adhering to both human tissue and grafts, reinforcing suture lines, and withstanding high vascular pressures. The material outperforms existing products in terms of safety and efficacy, paving the way for clinical translation.
A team of researchers from McGill University has discovered a way to control the stickiness of adhesive bandages using ultrasound waves and bubbles. This breakthrough could lead to new advances in medical adhesives, especially in cases where adhesives are difficult to apply.
A University of Arizona-led study uses bacteria to understand how natural patterns form through mechanical interactions. The findings suggest that just four different adhesive molecules are sufficient to create any possible tiling pattern, with implications for understanding complex multicellular life and creating biodegradable materials.
The new ultrasound sticker uses a stretchy adhesive layer and rigid array of transducers to produce higher resolution images over a longer duration. It has potential applications in clinical diagnosis and could be made into wearable imaging products that patients can take home or buy at a pharmacy.
Researchers have developed a supramolecular adhesive that exhibits outstanding gluing properties across a wide range of temperatures. The new adhesive consists of a protein and crown ether component, which form a tight interlocking structure through molecular interactions, resulting in exceptional adhesion even at low temperatures.
A team of researchers, led by Virginia Tech, has engineered a glove that mimics the arm of an octopus, capable of securely gripping objects underwater. The Octa-glove uses soft, responsive adhesive materials and embedded electronics to grasp objects without squeezing.
Scientists from Shibaura Institute of Technology developed a simple method to produce polyethylenimine-based network polymers by dissolving triaziridine compounds in water. The resulting porous polymers exhibit versatile properties, including tailored morphological and mechanical characteristics.
Researchers at TU Wien found that silicate nanoparticles can strengthen porous rock by forming colloidal crystals, which create new connections between mineral surfaces. The size of the particles is crucial for optimal strength gain, with smaller particles creating more binding sites.
Researchers observe a significant increase in electrical conductivity when mica is thinned down to few molecular layers, exhibiting semiconductor-like behavior. The findings suggest that thin mica flakes have the potential to be used in two-dimensional electronic devices with exceptional stability and durability.
Researchers developed a hot-melt tissue adhesive that can heal operative wounds without causing adhesions. The adhesive, made from biopolymers, transforms into a stable gel at body temperature and eventually decomposes, preventing postoperative complications.
Researchers developed a strong, water-resistant wood glue using glucose and citric acid for plywood. The adhesive meets China's standard requirement and is more energy-efficient than traditional adhesives.
Using a novel method to arrange molecules, Northwestern University researchers have created a material that performs even better than the glue they were trying to mimic. The protein-like polymer can be used as an adhesive in biomedical contexts, such as wound healing or repair.
The Rice team created an easily manufactured adhesive silicone harness that improves the fit of light surgical masks, making them comparable to N95 and KN95 masks in terms of aerosol droplet stopping. The revised design includes a wider harness along the nose slope for better sealing.
Researchers create a sticky patch that can seal large tears and punctures in the colon, stomach, and intestines of animal models without causing inflammation or sticking to surrounding tissues. The patch is designed to be biocompatible, flexible, and holds for over a month.
Researchers developed an injectable, adhesive surgical gel that prevents postoperative adhesions and improves wound healing. The gel, dubbed HAD, was tested in rats and rabbits with promising results, showing a significant reduction in inflammation and mortality rates.
Researchers at Stanford University have created a robotic hand with a gecko-inspired grip that can handle both delicate and heavy objects. The 'farmHand' gripper uses gecko-adhesive pads and has a unique finger design to enable both dexterity and strength.
Researchers at Stockholm University developed a resource-efficient method to produce lignin-based materials that can be thermally reprocessed and used as substitutes for thermosetting resins and adhesives. The new material exhibits tunable mechanical properties and can be tailored from hard and brittle to soft and tough.
Scientists from UCLA develop a do-it-yourself radiative cooler using household materials, achieving moderate to large temperature drops. The design's reproducibility and low cost make it an attractive standard for research settings.
Scientists at Washington University in St. Louis have created a biocompatible adhesive hydrogel that can stick to various surfaces underwater, with properties similar to natural mussel foot protein and spider silk. This breakthrough has potential applications in tissue repair, particularly for tendon-bone repair.
Researchers at McGill University have discovered how blue mussels fabricate underwater adhesives in just 2-3 minutes. The adhesive is created by mixing metal ions with fluid proteins, and its unique properties make it ideal for use in wet environments such as surgical or dental treatments.
SUTD researchers develop sensor that assigns dirt score to areas based on visual and tactile analysis, allowing for more efficient exploration of complex spaces. The sensor is integrated with a smart algorithm that directs the robot to focus on areas with high dirt probability.
A team of scientists at McGill University has invented a smart device for personalized skin care inspired by the male diving beetle. The device collects and monitors body fluids while sticking to the skin's surface, paving the way for more accurate diagnostics and treatment for skin diseases like acne.
Researchers from Terasaki Institute for Biomedical Innovation develop methods to enhance mechanical properties of hydrogels, including toughness, stretchiness, and adhesive strength. By introducing dopamine and alkaline conditions, they create gel-like materials with improved biocompatibility and regenerative capabilities.
A new adhesive, inspired by barnacles' sticky substance, can form a tight seal within seconds of application on wet surfaces, including blood-covered tissues. This bio-inspired tissue glue shows promise in rapidly controlling bleeding and may offer a more effective treatment for traumatic injuries.
Researchers identified two proteins, HMW1 and HMW2, that stimulate protective immunity against diverse NTHi strains. Immunization with these proteins provides protection against bacterial colonization by other strains, highlighting the vaccine potential for a nontypeable Haemophilus influenzae vaccine.
A new study in Frontiers in Mechanical Engineering found that the hairs on spider legs exhibit unique adhesive properties, with each hair showing different strengths and weaknesses on various surfaces. The researchers believe this diversity may be key to how spiders can climb diverse surfaces.
Researchers at Pohang University of Science & Technology developed a new method for regenerating damaged conjunctiva using mussel adhesive protein, achieving stable tissue adhesion and biodegradation. The technique replaces traditional sutures in ocular surface reconstruction.
Researchers at Tufts University created a strong adhesive by mimicking the molecular bonding tricks used by sea creatures. The glue achieves 2.4 MPa of strength when resisting shear forces, outperforming most existing commercial adhesives.
Purdue University chemists are developing new adhesives inspired by shellfish to replace toxic and permanent options. The goal is to create stronger, more sustainable adhesives for various applications, including medical and household uses.
Researchers from POSTECH and KNU analyze Dopa and lysine, revealing their roles in surface adhesion and cohesion. The study confirms negative synergy between Dopa and lysine, offering promise for designing new adhesive materials.
A novel adhesive patch platform has been developed by a research team at Pohang University of Science & Technology (POSTECH) to efficiently deliver blood vessel-forming growth factors using mussel adhesive protein. The platform demonstrated effective neovascularization in rat models for myocardial infarction and excisional wounds.
A Korean research team has developed an innovative treatment method for vesico-vaginal fistulas using a mussel adhesive protein-based bioadhesive. The new method shows promise in sealing fistulas quickly and effectively, with improved outcomes compared to conventional suture methods.
Researchers have developed a device that can deliver electrical signals to and from plants, enabling the creation of plant-based technological systems. The device can detect and transmit electrical signals to monitor crop health and stimulate plants to perform tasks, such as closing leaves or picking up objects.
A University of Delaware professor is developing new, resilient adhesives for concrete structures by mimicking mussel adhesion. The goal is to improve the durability of concrete in harsh environments and support sustainable growth, enabling prefabricated construction and additive manufacturing.
A study of COVID-19 face mask use in public places in China found that most people used masks but had compromised protection due to poor fit. Sealing the upper edge of the face mask with an adhesive tape strip substantially improved its airtightness.
Scientists at the University of Chicago have developed a gel material that strengthens when exposed to vibration, increasing its strength by 66 times. The material selectively strengthens itself in specific areas where it is stressed to a higher degree.
Engineers at MIT designed a bioadhesive patch inspired by origami that can seal internal wounds and tissues. The patch, made from three layers, resists contamination and biodegrades over time.
Scientists discover nearly 300 novel microbial species near a deep-sea volcano, revealing new insights into their extreme environment. Researchers also develop self-healing elastomers with unprecedented adhesion strength, and create a flood mapping tool to visualize water spread for any scenario and terrain.
Researchers at Dartmouth College have discovered a class of molecular materials that can be used to make temporary adhesives that don't require force for removal. These non-permanent glues offer expanded design strategies for bonding surfaces together and can lead to new manufacturing techniques and pharmaceutical design.
A five-year study by University of British Columbia Okanagan researchers found that recycled concrete performs as well as conventional concrete, with comparable strength and durability. The innovative material can be a 100% substitute for non-structural applications and may eventually replace traditional construction methods.
Researchers at NIMS and Hokkaido University successfully created a reusable adhesive structure inspired by insect footpads, capable of repeated attachment and detachment. The structure's strength and ease of use vary depending on direction of pull, with potential applications in industrial robots and outdoor equipment.
Researchers at MIT developed a double-sided adhesive that can quickly and firmly stick to wet surfaces like biological tissues. The new design allows for detachability without tissue damage by applying a liquid solution, making it easier for surgeons to close internal wounds.
Researchers design a disposable, double-sided film that attaches to the underside of a smartwatch, detecting biomarker molecules in sweat to monitor body chemistry. The system can track glucose and lactate levels, providing real-time insights into metabolic health.
A new adhesive method allows conductive polymer gels to adhere to a wide variety of surfaces, including glass and gold, even when exposed to moisture. This breakthrough enables the development of more durable and reliable biomedical sensors and implants.
Purdue University researchers have developed a new adhesive system that uses sacrificial bonds to make materials more resistant to stress and cracking. The technique, inspired by nature's adhesives in sea creatures, may be applied to various industries such as electronics, vehicles, and construction.
Researchers at Michigan Technological University have created an underwater smart glue prototype that can be activated and deactivated using electricity. The team, led by Bruce Lee, used electrical current to turn off the adhesion of a catechol-containing material, achieving this in just seven seconds.
Researchers at Aalto University have developed an eco-friendly adhesive using plant-derived cellulose nanocrystals and water, demonstrating exceptional strength and performance. The new glue outperforms commercial products in terms of sustainability and cost-effectiveness, making it a promising solution for various industries.
Researchers created a potential new adhesive using poly(vinyl alcohol) to improve the adhesion of wearable sensors. The modified compound, 4C3-PVA, was found to be hydrophobic but have less tensile strength compared to other versions.
Researchers at POSTECH have discovered the key to strong underwater mussel adhesion, finding that Dopa and Lysine molecules work together in a synergistic effect. Their study used molecular biology techniques to analyze adhesive proteins in mussels and confirmed two molecules with strong adhesion even in underwater conditions.
Researchers have created kirigami structures that can support 14,000 times their own weight without adhesives or fasteners. The tilted triangle design is strongest when flaps are undamaged and untapped, and its unique geometry allows for horizontal compression within the center of the design.
Researchers at the University of Toronto have developed a super-stretchy, transparent and self-powering sensor that records complex human sensations. The 'artificial ionic skin' can measure strain, humidity and temperature changes, generating controlled ion movements that can be measured as electrical signals.