Articles tagged with Hydrogels
Scientists develop peptide hydrogel that stimulates new blood vessel and dental pulp growth in teeth after root canals. The material aims to preserve more of the existing dental pulp and help grow new tissue, making the procedure less invasive.
Researchers at Georgia Institute of Technology developed a molecular matrix that effectively delivers muscle satellite cells to injured muscle tissue, promoting healing and protection from immune reactions. The hydrogel therapy has potential to treat muscular dystrophy patients, including those with Duchene muscular dystrophy.
A composite hydrogel and MXene material offers unparalleled stretchability, self-healing, and strain sensitivity, opening doors to innovative applications such as wearable electronics, biodegradable patches, and biosensing technologies.
Researchers from SUTD and HUJI develop highly stretchable, UV-curable hydrogels suitable for high-resolution 3D printing. These hydrogels enable the fabrication of complex geometries and high-stretchability structures.
Researchers developed a novel gel-like material that effectively dehumidifies ambient air while harnessing the moisture in the air for various applications. The hydrogel can absorb water from surrounding air more than 2.5 times its weight and performs at least eight times better than commercial drying agents.
Researchers use hydrogels to safely remove pressure-sensitive tapes from paper artworks without solvents, preserving the underlying artwork. The technique reveals hidden inscriptions like Michelangelo's 'di mano di Michelangelo' on a 16th-century drawing.
Researchers at the University of Texas at Arlington have developed a highly elastic biodegradable hydrogel for bio-printing of materials that mimic natural human soft tissues. The material can generate multiple types of human soft tissues, including skin, skeletal muscles, blood vessels, and heart muscles.
Scientists at Brigham and Women's Hospital have created a hydrogel that responds to increased disease activity during flares, releasing drugs to alleviate symptoms. The technology has shown promise in preclinical models and could provide a new treatment option for patients with arthritis.
A team of researchers from Texas A&M University has developed an injectable bandage using a gelling agent commonly used in pastries, which can stop bleeding and promote wound healing. The injectable hydrogels are made with kappa-carrageenan and nanosilicates to form a controlled release of therapeutics.
Researchers at the University of Texas at Austin have developed a new technology using combined gel-polymer hybrid materials to produce clean drinking water from any source. The system uses ambient solar energy to power evaporation, reducing energy consumption and increasing water volume.
Engineered 3D morphogen gradients in hydrogels direct human salivary gland stem/progenitor cell differentiation into ductal and acinar cell phenotypes. Growth factor gradients support salivary gland cell motility and can serve as instructive matrices for tissue engineering.
Researchers at Rice University have developed a hydrogel that significantly accelerates wound healing in genetically diabetic rodents, promoting tissue growth and regeneration. The study's findings suggest that the hydrogel's cellular infiltration enhances wound closure rates, providing hope for improved treatment of diabetic ulcers.
Scientists have developed tiny, implantable sensors that can detect various body chemistries without triggering an immune response. The devices are being marketed in Europe and are expected to receive US approval, with potential applications including monitoring oxygen levels in patients with peripheral artery disease.
Researchers discovered that a hydrogel developed by the Rice University lab exhibits significant therapeutic properties, rapidly infiltrating host cells and promoting healing. The hydrogel can be delivered through a syringe and degrades over six weeks, leaving behind healthy tissue.
A Lehigh University professor has received a prestigious NSF CAREER Award to explore the role of human mesenchymal stem cells in remodeling hydrogel materials for wound healing. Her research aims to develop new biomaterials with optimal properties for tissue regeneration and structural integrity.
A new slow-release hydrogel has been developed to aid immunotherapy for cancer, providing a continuous dose of immunotherapy drugs to activate the immune system. The hydrogel, called STINGel, was tested in lab cultures and in vivo trials, showing promise in killing cancer cells and preventing further implantation of cancer cells.
Researchers have developed a new method to chemically bond multiple soft materials without sacrificing their properties. The technique allows for manufacturing of more complex soft machines, including wearable devices and flexible electronics.
Researchers developed an electric eel-inspired device that produced 110 volts from gels filled with varying strengths of salt water, leveraging ion gradients across hydrogels. The team hopes to increase the current and develop a power source for implantable devices utilizing existing human body ionic gradients.
Researchers at Rutgers University have created a 4D-printed shape-shifting smart gel that can morph over time and temperatures change. The gel can provide structural rigidity in organs like the lungs and create new applications in soft robotics, biomedical devices, and scaffolds for cell growth.
Researchers at UNIST created a new type of underwater adhesive that is stronger than natural biological glues used by mussels. The hydrogel-based adhesive exhibits strong adhesion under wet conditions due to reversible interlocking between reconfigurable microhook arrays.
Scientists at the University of Washington have developed a new biomaterial-based delivery system that releases therapeutics in response to specific physiological conditions. The system uses 'logic gates' programmed with Boolean logic to open and release cargo only when certain environmental cues are met.
Researchers developed a molecular printing technique, 3DEAL, to create complex hydrogel environments with controlled chemical composition. This allows for the design of new drug screening platforms and tissue-engineered constructs with spatially controlled gradients or patterns.
Researchers from NTU Singapore and CMU have developed a technique to direct the growth of hydrogel to mimic plant or animal tissue structure and shapes. The team's findings suggest new applications in tissue engineering and soft robotics, where hydrogel is commonly used.
Researchers have developed soft power cells that mimic the electric eel's ability to generate high-voltage electricity while consuming low current. The cells are made of hydrogel and salt and could potentially power implantable or wearable devices without toxicity or frequent recharging.
Scientists at USC have developed a temperature-sensitive gel that can seal eye injuries, allowing for faster treatment and reducing the risk of complications. The reversible seal can be easily removed with cool water, making it a promising solution for treating ocular injuries on the battlefield.
MIT engineers have devised a 3D printing technique that uses live bacteria cells to create interactive structures. The team printed a 'living tattoo' with branches that light up in response to different chemical stimuli, demonstrating the potential for wearable sensors and interactive displays.
A team of ETH researchers created a novel 3D printing platform that utilizes living matter to produce mini biochemical factories with various properties. The platform uses bacteria-containing ink to create objects with specific characteristics, such as biodegradable materials and sensors for toxic substances.
A team of biomedical engineers has developed a photocrosslinkable, thermoreversible type-I collagen bioink for 3D printing of scaffolds. The bioink allows for spatially controlled cross-linking and can be used to print scaffolds with macroscale features, facilitating tissue engineering and regenerative medicine applications.
Researchers created a synthetic material that combines the strengths of Kevlar with polyvinyl alcohol to mimic natural cartilage's properties. The new material boasts the same mechanism as natural cartilage, releasing water under stress and recovering by absorbing it later.
Scientists have successfully created tiny protein-based gelatin-like clumps called hydrogels inside living cells using a novel technique. This breakthrough advances research into the suspected contributions of hydrogels to human diseases, such as neurodegenerative disorders.
Researchers at Penn State create artificial system using DNA-laced hydrogel that releases signaling protein in response to chemical signal. The system, which uses aptamers and double-stranded helical molecules of DNA, can repeat the sequence, releasing proteins until there are no more to release.
Researchers created synthetic hydrogels that allowed human intestinal cells to grow and differentiate in a 3D environment, forming normal tissue structures. The hydrogels can be easily modified to support various cell types, offering a promising approach for treating gut injuries and potentially other organ damage.
Researchers at Scripps Research Institute have developed a method for creating modified DNA-based hydrogels with unique properties. These hydrogels can be dissolved, reformed, and retain their biochemical activity, making them suitable for various applications such as drug delivery and cell growth.
Researchers have developed an alginate hydrogel that can deliver angiogenic growth factors like VEGF and IGF to promote vascularization in ischemic tissues. The system increases blood flow and perfusion, improving muscle strength and tissue regeneration, with promising results in both young mice and aged rabbits.
Researchers at Johns Hopkins University have developed a new method to induce shape-changing in water-based gels using DNA molecules. By employing specific DNA sequences called 'hairpins,' they can cause a hydrogel sample to swell up to 100 times its original volume, and then halt the reaction with another DNA sequence.
Researchers at UBC Okanagan campus have created a new bio-ink made from cold-soluble gelatin, which shows promise for creating artificial organs. The hydrogel is thermally stable at room temperature, making it suitable for use in 3D bio-printing.
Scientists at University of Pittsburgh create vascularized pancreatic islet organoids using human pluripotent stem cells, offering potential treatment for Type I Diabetes. The innovative approach involves implanting blood vessel fragments into the islets before transplantation.
Scientists develop silver nanowire-coated textiles that provide multiple protection capabilities against extreme cold weather. These fabrics can capture sweat and maintain a consistent temperature, improving soldier comfort during missions.
Researchers developed a novel, tough, and triggerable hydrogel material that addresses safety concerns of traditional swallowable drug delivery systems. The new material can withstand gastrointestinal forces and release medication in a controlled manner.
Researchers at MIT have developed a gel-like material that can be coated onto standard plastic or rubber devices, providing a softer and more slippery exterior. The coating can also monitor and treat signs of infection, and could potentially replace common elastomers in medical devices.
A team of architects and chemists from the University of Cambridge has designed super-stretchy and strong fibres almost entirely composed of water. The new method improves upon earlier methods of making synthetic spider silk without high-energy procedures or extensive use of harmful solvents.
Researchers from HKUST created a B12-dependent light-sensing hydrogel by covalently stitching together photoreceptor proteins, enabling rapid gel-sol transition on light exposure. This allows for controlled release of stem cells and proteins with high spatiotemporal precision.
The study used FReI to investigate the folding stability and dynamics of proteins in hydrogels, revealing that hydrogels increase protein stability, speed up folding relaxation, and promote irreversible binding. The findings suggest that proteins may be destabilized when interacting with hydrogels.
A new hydrogel material combined with vascular endothelial growth factor (VEGF) has been shown to enhance the survival rate of transplanted insulin-producing cells in animal models. The technology could potentially treat more patients with type 1 diabetes and reduce the need for multiple donors.
Researchers at UC Riverside developed an inexpensive, biodegradable seaweed-based ant bait that reduced Argentine ant populations by 40-68% after four weeks. The hydrogel baits are highly absorbent and retain water to remain attractive to ants for extended periods.
Researchers develop a bacteria-fighting wound dressing made from the shells of crustaceans, which could prevent up to tens of thousands of infections annually. The dressing combines chitosan, an antibacterial and biodegradable substance extracted from crustacean shells, with hydrogel dressings to create a durable and elastic solution.
Hydrogels, jelly-like materials with water-based properties, require a better understanding of their structure and mechanical properties. Professor Ullal will use super-resolution microscopy techniques to characterize the structure of hydrogels and develop new materials.
A team of researchers at Duke University created a cartilage-mimicking material that can be 3D-printed to match the strength and elasticity of human cartilage, potentially easing damaged knees. The new material is custom-shaped to each patient's anatomy, providing improved shock absorption and reducing pain.
A new hydrogel has been developed that can be injected into a rabbit's eye as a liquid and gel within minutes to replace the clear gel-like substance. The hydrogel exhibits no significant swelling pressures or side effects, suggesting it is safe for potential use in humans.
A specific protein forms gels in response to stress, which helps cells function and grow under challenging conditions. This gel-like structure is not a sign of damage but rather an adaptive response.
Scientists at Hokkaido University have created 'fiber-reinforced soft composites' that combine the flexibility of hydrogels with the strength of glass fibers. These materials are 5 times tougher than carbon steel, making them suitable for various applications such as artificial ligaments and tendons.
Researchers at MIT have developed transparent hydrogel robots that can perform fast, forceful tasks, including catching and releasing a live fish. The robots are nearly invisible underwater due to their similar visual and acoustic properties to water.
Researchers at Columbia University have developed a method to manufacture microscale-sized machines from biomaterials that can safely be implanted in the body. The technique uses hydrogels and stacks them in layers to create devices with three-dimensional, freely moving parts.
EPFL scientists have developed a patent-pending hydrogel that can grow organoids in a standardized and controlled way, overcoming current limitations. The breakthrough provides a fully controllable and tunable environment for growing miniature organs, shedding light on the influence of physical factors on stem cell behavior.
A new microfluidic method enables the encapsulation of individual cells within microgel capsules, reducing the size and increasing the specificity of control. This breakthrough has the potential to boost efficacy of cell-based therapies and tissue engineering by allowing for more precise targeting and survival of encapsulated cells.
A new regenerative scaffold made of collagen hydrogel and collagensponge stimulates periodontal tissue regeneration by retaining fibroblast growth factor-2, promoting cementum, periodontal ligament, and alveolar bone regeneration. The combination improves biodegradability and promotes true regeneration in beagle dogs.
Developed by MIT and Harvard Medical School, the fibers are made from hydrogel material that can stretch and bend like taffy. They can sense signs of disease and could be used to deliver therapeutic pulses of light, enabling long-lasting implantable medical devices.
Researchers have created a hydrogel-elastomer hybrid that can prevent barnacles from sticking to metal hulls, reducing fuel costs for the Navy. The material is soft, slippery, and retains moisture, providing a long-lasting solution to biofouling.
Washington State University researchers create a novel nanomaterial, an aerogel, to reduce the amount of precious metals required in fuel cells. This innovation speeds up production time and makes large-scale production more viable.
Scientists have developed injectable gels that can be injected into the heart to shore up weakened areas and prevent heart failure. The gels, made from hyaluronic acid, provide mechanical support and limit scar tissue formation, preserving the heart's size and blood-pumping ability.