Articles tagged with Hydrogels
A KAIST research team developed a hydrogel-based flexible brain-machine interface that can detect neural signals for up to six months. The device minimizes foreign body responses by mimicking the properties of surrounding tissues when exposed to body fluids.
A team of researchers has developed micro-actuators that use internal changes as a trigger for signal-based movement, paving the way for new applications in soft robotics, microscale sensing, and bioengineering. The devices, powered by chemical reactions, can be programmed to perform different modes of mechanical work.
Researchers at NYU Tandon School of Engineering developed stimuli-responsive coiled-coil fibrous hydrogels that can be triggered by temperature, pH, or light. These smart biomaterials have potential for tissue engineering, drug delivery, and wound healing applications.
Researchers developed a bio-inspired hydrogel to prevent post-operative adhesions in the heart, with promising results in rats and pigs. The hydrogel creates a protective barrier while allowing for movement and is designed to be easily removable and dissolveable.
Researchers at the University of Tokyo have developed a novel crystal that allows hydrogels to rapidly recover from mechanical stress, making them suitable for medical applications. This breakthrough could lead to more effective treatments for sports injuries and joint pain.
Fibroblasts, the cells responsible for extracellular matrices, become diseased in fibrosis. Researchers create 3D hydrogels that mimic living tissue to study fibrosis progression and epigenetic responses.
Researchers at Texas A&M University have developed a new class of hydrogels that can be controlled by light, enabling precise drug delivery and regenerative medicine treatments. The hydrogels are responsive to near-infrared (NIR) light, which has a higher penetration depth than other light sources, allowing for more effective therapy.
North Carolina State University researchers have created a new type of 3D-printable gel called homocomposite hydrogel, composed of alginates found in seaweed. The gel has remarkable strength and flexibility, making it suitable for biomedical applications such as growing cells and wound dressings.
Researchers at Chalmers University of Technology have developed a new hydrogel material that prevents infections in wounds, effective against all types of bacteria, including antibiotic-resistant ones. The material uses antimicrobial peptides and is promising for combating global health threats.
A new treatment method for cerebral aneurysms uses a biocompatible embolization material that fills the aneurysm at high rates and maintains structural stability. The innovative material exhibits excellent biocompatibility and can safely prevent rupture, reducing financial burden and risks associated with current coil embolization.
Scientists have developed a novel artificial color-changing material that can detect seafood freshness by changing color in response to amine vapors released by microbes as fish spoils. The material has the potential to be used in various applications, including stretchable electronics and dynamic camouflaging robots.
The Politecnico di Torino team creates hydrogels with complex architectures and self-healing properties using 3D printing activated by light. This breakthrough enables the production of highly complex devices with unique features, paving the way for innovative applications in regenerative medicine and soft-robotics.
A new hydrogel-based material has been developed that mimics the structure of a lobster's underbelly, exhibiting remarkable fatigue-resistance and stretch properties. The material's angled architecture is thought to hinder crack propagation, allowing it to withstand repeated stretches and strains without tearing.
Researchers at KTH Royal Institute of Technology developed a sustainable technique for producing hydrogel composites to remove pollutants from water. The hydrogels, made from plant cellulose and graphene oxide-like carbon dots, can effectively remove heavy metals, dyes, and other contaminants.
Researchers developed a nanostructured fluid that slowly releases cleaning agents to remove over-paintings on street art without damaging the underlying layer. The technique, which uses low-toxicity solvents and biodegradable surfactants, has been tested successfully on laboratory mockups and real pieces of street art.
Scientists have developed novel multi-stimuli-responsive drug delivery systems using hydrogels that can release drugs in response to temperature, pH, and reducing conditions. The hydrogels can control the amount of drug loaded onto them, ensuring effective delivery to target tumor sites.
Researchers develop a new bioprinting process using ultrashort peptides, overcoming challenges in cell survival and creating complex scaffolds that facilitate long-term cell growth. The technology enables the creation of tissue models for high-throughput drug screening and diagnosis.
Researchers at MIT have developed a technique for imaging biological samples with accuracy of 10 nanometers using an ordinary light microscope. The new hydrogel-based approach improves upon previous versions, enabling high-resolution images without expensive equipment.
A soft robotic dragonfly, called DraBot, uses microarchitectures and self-healing hydrogels to detect changes in pH, temperature, and oil levels. This proof-of-concept demonstration could lead to the development of autonomous environmental sentinels for monitoring environmental disruptions.
Researchers developed an antibacterial gel bandage using durian husk, which works even at freezing temperatures and contains natural antimicrobial compounds derived from yeast. The organic gel is non-toxic, biodegradable, and has a smaller environmental footprint than conventional synthetic bandages.
An interdisciplinary research team at Kiel University has produced a highly conductive hydrogel that retains its elasticity, suitable for medical implants. The innovative production method uses graphene to achieve high electrical conductivity while maintaining the original mechanical properties.
A unique Ag-hydrogel composite offers high electrical conductivity while maintaining soft compliance and deformability. The composite has applications in wearable electronics, brain sensors, and treating muscular disorders, such as Parkinson's disease.
A team from Terasaki Institute for Biomedical Innovation developed soft pressure sensors using OECTs and ionic hydrogels, enabling high sensitivity and low power consumption. This advancement facilitates long-term monitoring of patients with real-time data collection.
Researchers develop a less invasive way to deliver stem cell and exosome therapeutics to the heart by injecting hydrogels containing these therapeutics into the pericardial cavity, showing promising results in preclinical studies
Researchers at the University of Illinois Chicago have developed new 4D hydrogels that can change shape in response to external trigger signals. These materials may help create tissues with more realistic architecture by simulating forces that drive movement during development, leading to improved tissue engineering outcomes.
Researchers at Northwestern University developed a theoretical model to design soft materials that demonstrate autonomous oscillating properties, mimicking biological functions. The work could advance the design of responsive materials for therapeutics and robot-like soft materials.
Researchers have developed an injectable hydrogel that could help repair and prevent further damage to the heart muscle after a heart attack. The study found that timely injection of the hydrogel resulted in less fibrosis and an increase in new blood vessels, preserving cardiomyocytes and supporting functional recovery.
Researchers developed novel hydrogel-based 4D materials that can change shape in response to physiological stimuli, supporting high cell densities and mimicking natural tissue development. These materials have potential for bioengineering blood vessels, organs, and studying biological processes involved in early development.
Researchers create synthetic biomaterials mimicking tendon structure and strength through freeze-casting and salting-out processes. The new hydrogels show promise for temporary wound closure, long-term tissue replacement, and wearable medical device coatings.
Researchers develop hydrogel dressings that can promote wound healing, absorb excess fluid, and prevent infection. These biodegradable dressings are better suited for irregular and deep wounds than traditional bandages.
Researchers at Princeton University developed a platform to visualize hydrogels' hidden workings in soils, revealing that the amount of water stored is controlled by a balance between swelling force and soil pressure. This study provides guidelines for designing hydrogels that can optimally absorb water depending on soil conditions.
A team of scientists has developed a novel hydrogel formula based on PEGda and HMPP for 3D direct laser writing (DLW) with low threshold power using a green laser. The new formula enables the fabrication of precise microstructures with high resolution and mechanical stability, suitable for biomedical engineering applications such as wo...
Scientists at the University of Washington develop a technique to modify biological polymers with protein-based biochemical messages, triggering cell behavior. The approach uses near-infrared lasers to attach proteins to scaffolds made from collagen or fibrin, creating intricate patterns that control cell growth and signaling.
Researchers developed a bio-inspired hydrogel fiber with a spiral structure inspired by lotus fibers. The fiber exhibits high strength, toughness and excellent biocompatibility, making it suitable for surgical sutures.
Functional hydrogel coatings have various functions, including sensing, actuation, drug delivery, and conductivity for neural electrodes. Research directions include optimizing coating methods for mass production, long-term stability, and testing adhesion.
Researchers have created a new composite hydrogel with tantalum particles that can effectively seal off damaged blood vessels, providing rapid and stable bleeding control. The gel exhibits shear-thinning capabilities, allowing for easy deployment using standard catheters.
Researchers at Texas A&M University have designed a hydrogel membrane with fine-toothed molecular combs that can prevent leakage of small molecules while allowing glucose to freely diffuse in and out. The membrane, made from poly(N-isopropylacrylamide), could be used to form biosensors for monitoring sugar levels in diabetics.
Researchers developed a potential new treatment for glaucoma using a natural, biodegradable hydrogel that opens an alternate pathway for excess fluid to leave the eye. The treatment could provide an efficient alternative to current treatments without daily drops or surgery.
TPU scientists have developed an eco-friendly hydrogel for agriculture that retains moisture and fertilizers in soil, degrading into non-toxic products. The new formulation uses natural components like whey protein and alginic acid, reducing the need for freshwater conservation and minimizing fertilizer's harmful effects on the soil.
Researchers have created a durable e-skin using hydrogel and MXene materials, enabling real-time sensing of temperature, touch, and pressure. The material can withstand up to 28 times its original size without losing functionality.
Researchers have created a bioactive plant-based nanocellulose hydrogel to support organoid growth for biomedical applications. The gel is cheaper than current gold standard options, cost-effective and animal-free.
Researchers have developed a contact lens that uses tiny channels to collect tears and measure biomarkers like sodium ions and glucose molecules. The lens can detect changes in tear pH and flow rates, offering a potential solution for preventing dry eye disease and monitoring diabetic patients.
Researchers designed a catapult-like hydrogel that can store and release elastic energy, achieving high contractile force and ultrahigh work density. The material overcomes mechanical weakness in traditional hydrogels, enabling controllable multistable deformation and programmable elasticity.
A team of scientists from the University of Leeds has developed a new hydrogel to act as an alternative to saliva without additional lipid content. The formulation can also replicate lubricating properties in food products, providing a potential solution for dry mouth therapy and non-obesogenic nutritional technologies.
Researchers at MIT developed a two-layered material that provides extended cooling using evaporation, inspired by camel fur. The system can keep perishable goods fresh for up to eight days and has potential applications in food packaging and pharmaceutical storage.
Scientists have developed a bilayer passive cooling technology inspired by camel fur, which can keep objects cool for an extended period of time without electricity. The technology demonstrates that the design keeps products cool five times longer than conventional single-layer approaches.
A team of researchers at the University of Pennsylvania School of Medicine has demonstrated a new method to rebuild complex body tissues using a magnetic field and hydrogels. This technique allows for the creation of engineered tissues with natural tissue-like properties, including a cellular gradient.
Researchers at Terasaki Institute create wearable pressure-sensitive devices using a gelatin-based hydrogel that offers superior elastic properties and skin compatibility. The device enables real-time monitoring of vital signs with high sensitivity and consistency.
Researchers designed hydrogels with self-renewing, lipid-based boundary layers, reducing friction by a near 100-fold. The approach maintains lubricity after drying and rehydration, opening potential applications in tissue engineering and biosensor development.
Researchers have created a stretchable conductive hydrogel that can help restore lost tissue in damaged nerves. The material, containing polyaniline and polyacrylamide, allows nerve cells to enter and adhere, helping to improve nerve conduction and recovery.
Researchers developed a polymer-nanoparticle hydrogel that allows sustained release of vaccine components, increasing potency and duration of immune responses in mice. The hydrogel boosts antibody production with a 1,000-fold higher affinity for antigens.
Scientists discovered that type-1 innate lymphoid cells (ILC1) promote tissue repair in the gut, but when dysregulated can contribute to IBD co-morbidities such as cancer and fibrosis. This finding has important implications for treating patients with inflammatory bowel diseases.
Researchers at UIC develop a unique method for precisely controlling the deposition of hydrogel to coax bone marrow stem cells into specialized cells. This technique allows for more accurate interactions between cells and their surroundings, potentially leading to breakthroughs in regenerative therapeutics.
Researchers develop a hydrogel-based delivery system that releases an anti-rejection drug slowly over time, providing enhanced protection for transplanted hearts. The system, called MTH, was shown to improve graft survival rates and reduce immune response.
Researchers have designed new hydrogels that can mimic the environment of lymph nodes, where T-cells proliferate and multiply. The hydrogels are made from polyethylene glycol and heparin, allowing them to anchor cytokines and promote cell migration and proliferation.
Scientists at Tokyo University of Science have created a novel alkaline hydrogel suitable for wound healing via a method requiring no special equipment. The gel forms in minutes and has high water content, making it ideal for wound dressing and promoting the growth of new cells.
QUT researchers develop a novel molecular coupling tool using green light and pH triggers, enabling catalyst-free chemical reactions. The tool has potential applications in drug delivery and 3D cell culture platforms, with the ability to control photoreactivity using varying pH levels.
Researchers propose a fast and catalyst-free cross-linking strategy for constructing mechanically strengthened and biofunctional hydrogels. The new method uses o-phthalaldehyde (OPA) and N-nucleophiles to form stable linkages, reducing toxicity issues associated with traditional methods.
Researchers developed a smart eyewear that tracks eye movement and cardiac data, providing accurate measurements in everyday environments. The device uses washable hydrogel electrodes and pulse sensors, offering comfort and durability, with potential applications in health monitoring, virtual reality, and advertising analysis.
Researchers from Rice University and Baylor College of Medicine have shown that shielding stem cells with a novel biomaterial can significantly enhance the healing process in rodents after heart attacks. The study demonstrated that shielded stem cells resulted in 2.5 times greater heart function recovery compared to non-shielded cells ...