Articles tagged with Hydrogels
Researchers discover a microscopic phenomenon that enables hydrogels to swell and contract quickly, improving the flexibility of soft robots. This breakthrough could lead to faster and more agile robots with applications in healthcare, manufacturing, and search and rescue operations.
A team of scientists at the University of Ottawa has developed a novel peptide-based hydrogel that can be used for on-the-spot repair to damaged organs and tissues. The material shows great potential for closing skin wounds, delivering therapeutics to damaged heart muscle, and reshaping and healing injured corneas.
Researchers at Rice University have developed a novel fabrication process to create aligned peptide nanofiber hydrogels, which can guide cell growth in a desired direction. The study revealed that cells need to be able to 'pull' on the peptide nanofibers to recognize alignment, and excessive rigidity can prevent this.
Researchers at NJIT are developing a hydrogel therapy that prevents viruses like SARS-CoV-2 from attaching to and entering cells. The peptides in the gel form a 'molecular mask' that muffles the virus's action, providing a potential first line of defense against biological threats.
Researchers at IISc developed a novel hydrogel that can remove 95% of polyvinyl chloride and 93% of polypropylene microplastics from water. The hydrogel uses UV light irradiation and has a durable structure, making it suitable for repeated use.
Synthetic platelets made of hydrogel nanoparticles mimic the size and shape of human platelets, promoting clotting and healing. The innovative device has shown promising results in animal models and is being developed for clinical use to treat various medical conditions.
Researchers created a hydrogel that kills bacteria naturally, promotes cell growth and heals wounds more effectively than traditional gels. The gel is infused with amino acid polylysine and platelet-rich blood plasma to create properties well-suited for wound care.
A team of scientists from Pohang University of Science & Technology developed an artificial vitreous body based on alginate to treat retinal detachment. The hydrogel maintains vision post-surgery and regulates fluid dynamics within the eye, preventing recurrence and air bubble formation.
Researchers at EPFL's EMSI lab discovered a positive correlation between crack complexity and material toughness, revealing that more energy is required to advance complex cracks than simple ones. This finding could improve materials testing and development for safe and cost-effective composite materials.
Researchers at Brigham and Women's Hospital developed a sprayable adhesive hydrogel product to address GI wound management limitations. The material promotes rapid wound healing, provides tissue protection, and minimizes complications under harsh conditions.
A team of international scientists has developed an effective treatment for preventing infection in chronic wounds that does not involve antibiotics. The new method involves the plasma activation of hydrogel dressings, producing a unique mix of chemical oxidants that are effective in decontaminating and aiding healing.
Scientists create a hydrogel system that can remember its shape, allowing them to control cell adhesion behavior. The elastic modulus of the hydrogel is adjusted by compressing it into different thicknesses at high temperatures.
Researchers have developed an injectable hydrogel that mitigates damage to the right ventricle of the heart in children with hypoplastic left heart syndrome. The treatment, made from cardiac extracellular matrix, improves heart function and slows tissue scarring, potentially increasing patient survival time.
Researchers from IOCB Prague and Ghent University have developed 3D-printable gelatin-based materials that can be easily monitored using X-rays or CT scans. This improvement enables the tracking of implant biodegradation and mechanical failures, allowing for tailored clinical requirements.
Neural stem cells developed into nerve cells when adhering to hydrogels with high positive charge, while those on lower positively charged gels became glial cells. The ability to influence differentiation could aid in nerve and glial cell regeneration and treatment of diseases like multiple sclerosis.
Researchers create a simple method to instantly bond layers made of the same or different types of hydrogels using a thin film of chitosan. The new approach has potential to broadly advance new biomaterials solutions for multiple unmet clinical needs, including regenerative medicine and surgical care.
A team of scientists has developed a new treatment for chronic wounds that uses ionized gas plasma to decontaminate and heal wounds. The technology shows promise in treating diabetic foot ulcers, internal wounds, and potentially cancerous tumours.
A rapid diagnosis protocol using a luminescent paper-based platform has been developed to detect the presence of antibiotic-resistant bacteria. The approach uses a supramolecular hydrogel matrix containing terbium cholate that emits green fluorescence when UV light is shined on it.
Researchers have created a hydrogel that can be used to heal damaged heart tissue and improve cancer treatments. The gel is made from cellulose nanocrystals derived from wood pulp and has a nanofibrous architecture that replicates the properties of human tissues.
Researchers at Chalmers University of Technology have developed a new, sustainable architectural material by 3D printing nanocellulose and algae. The material's use could significantly reduce energy consumption in construction, aligning with the European Green Deal's goals.
Scientists develop a new class of hydrogels that can concentrate proteins within cells, mimicking natural sequestering phenomena. The hydrogels, designed using computers, exhibit similar mechanical properties both inside and outside of cells.
Researchers at University of Texas at Austin developed a portable and affordable water filtration system that can catch up to 100% of particles larger than 10 nanometers. The device uses low-cost, sustainable materials and is easy to use, making it an attractive solution for improving freshwater availability in remote regions.
Researchers introduce trehalose into hydrogels to form hydrogen bond interactions, improving dehydration resistance, lubrication performance, mechanical properties, and manufacturing accuracy. This discovery proposes a new design principle for high-precision manufacturing of hydrogel materials.
Researchers harness hydrogels to create dynamic photonic devices capable of substantial, tunable optical alterations. These advancements have the potential to transform our interaction with photonic devices, affecting technologies from everyday to specialized scientific equipment.
Researchers at the University of Bath and University of Surrey have developed a method to introduce degradable bonds into thermoset polymers, making them more easily recyclable. The study found that gels with breakable bonds retained their properties better when reformed after degradation.
Researchers from Tokyo University of Science developed a novel, low-cost hydrogel using seaweed extract that prevents wound expansion and promotes healing. The hydrogel demonstrates significantly lower adhesion and swelling compared to conventional hydrogels, making it an excellent alternative for treating skin wounds.
Researchers have developed a promising new solar-powered technology to harvest water from air, capable of increasing daily water supply needs in dryland areas. The system uses a super hygroscopic gel to absorb and retain large amounts of water, with the potential for large-scale practical applications.
Scientists have developed a drug-eluting hydrogel that provides sustained, pH-dependent drug co-delivery and promotes anti-tumor immune responses, reducing tumor cell proliferation and growth. The treatment shows promise in treating hepatocellular carcinoma, with enhanced efficacy compared to traditional methods.
Researchers discover chemical injection strengthens sandy soil through increased cohesion and internal friction angle, with no long-term strength loss. The treatment also enhances water-sealing capacity, mitigating flood risks and improving infrastructure durability.
A new hydrogel drug delivery system has been developed that can transform daily injections of diabetes and weight control drugs into once every four months. The system has shown promising potential in laboratory tests and could improve management of Type 2 diabetes, patient drug compliance, and long-term health outcomes.
A novel aqueous lubricant technology has been developed at the University of Leeds, providing a longer-lasting solution for people with dry mouth conditions. The substance, composed of microgel and hydrogel, binds strongly to the surface of the mouth, reducing desorption and offering up to five times more effective relief.
Researchers from Incheon National University create gelatin patches that generate molecular oxygen to accelerate wound healing. The new hydrogels demonstrate improved coagulation, blood closure, and neovascularization in both in vitro and in vivo experiments.
Researchers from the Institute for Basic Science developed a novel approach to healing muscle injury using conductive hydrogels and robot-assisted rehabilitation. The injectable tissue prosthesis enhances gait in rodent models without nerve stimulation, while improving long-term muscle tissue regeneration.
Researchers developed a low-cost anti-inflammatory hydrogel containing annexin A1 that accelerated complete skin wound healing in mice with induced type 1 diabetes. The hydrogel modulated the wound microenvironment and favored tissue regeneration, reducing inflammation and improving blood vessel formation.
Scientists at UNSW Sydney have created a new material that can mimic human tissue, fight bacteria, and heal itself. The hydrogel material is made from simple peptides and has implications for biomedical research, medicine, and manufacturing technology.
Scientists at the University of Nebraska-Lincoln have developed a system that can adjust the size, shape, and refractive index of microscopic lenses in real-time. The design uses hydrogels and polydimethylsiloxane to create a dynamic platform for soft robotics and liquid optics applications.
Researchers from NUS have developed a novel magnetic gel that heals diabetic wounds by activating dormant skin cells and repairing damaged blood vessels. The treatment has shown promising results, healing wounds up to three times faster than conventional approaches.
Using a small bird's nest-making process, researchers developed a nontoxic method for making cellulose gels that can be used in applications such as tunable drug delivery. The process also works with bamboo and other lignin-containing plant fibers.
Researchers from Osaka University have developed a bioprinting technique that enables the creation of complex soft tissue structures with high fidelity. The method uses a printing support to facilitate gelation of a bioink, resulting in cell viability and viability for up to two weeks.
A team of Chinese researchers has developed a bio-inspired approach to improve the performance of flexible sodium-ion batteries. By methylating the structural polymer in the hydrogel electrolyte, they significantly increase the salt stability, leading to better battery capacity and cycling performance. The modified hydrogel can absorb ...
A University of Virginia team has developed a new analytical tool using hydrogels to cultivate vascular sprouting from mouse lung tissue, providing new insight into idiopathic pulmonary fibrosis. The research aims to understand the biomechanical and biochemical cues to blood vessels in the lungs during disease progression.
A team developed a double-layer polysaccharide hydrogel that enhances the bioavailability, intestinal colonization, and effectiveness of probiotics. The hydrogel successfully encapsulates and delivers probiotics in a targeted manner within the body.
A Brown University team developed a hydrogel-based delivery system that balances tumor acidity and increases doxorubicin's effectiveness against cancer cells. Initial lab tests show promising results, paving the way for pre-clinical trials.
The new fabrication approach allows for the creation of a stretchable dipole antenna that can be used in wearable medical devices, separating mobile devices via flexible antennas to form a wireless body-area network. The resonant frequency of the antenna can be tuned by varying applied strain.
Researchers at the University of Texas at Austin have developed a molecularly engineered hydrogel that can create clean water from hot air, using solar energy. The device produces up to 7 kilograms of water per kilogram of gel materials, with potential applications for drought-stricken areas and countries lacking access to clean water.
Researchers at UNIST developed a microfluidic system to process blood into artificial tissue scaffolds for vascular regeneration. Autologous blood-based implants demonstrated superior wound closure rates, increased epidermis thickness, and enhanced collagen deposition in rodent skin wounds.
Researchers developed a novel approach called 'countercation engineering' to impart thermoresponsiveness to graphene-oxide nanosheets. The method involves synthesizing GO nanosheets with specific countercations, resulting in inherent thermoresponsive behavior without the need for thermoresponsive polymers.
Researchers at Johns Hopkins University have developed nanoscale tattoos that can stick to live cells, allowing for the first time to monitor and control individual cell health in real-time. This technology bridges the gap between living cells and conventional sensors, enabling early disease diagnosis and treatment.
Researchers explore techniques to enhance mechanical and electrical performance of hydrogel sensors, enabling harsh environment resistance, human skin compatibility, and intelligent data processing. Hydrogels' toughness and conductive capabilities make them suitable for wearable electronics applications.
Researchers at Harvard developed a fiber-infused ink that allows 3D-printed heart muscle cells to align and contract like human heart cells, enabling the creation of functional heart ventricles. The innovation can be used to build life-like heart tissues with thicker muscle walls, paving the way for regenerative therapeutics.
The Bioaction project leverages bacteria as allies in promoting tissue regeneration, offering a paradigm shift in addressing infections. By developing functional bio-hydrogels, the project aims to accelerate healing and stimulate bone growth, reducing reliance on extended antibiotic therapies.
The study, published in Advanced Functional Materials, reveals a novel light-activated material that can be used to effectively reshape and thicken damaged corneal tissue, promoting healing and recovery for patients with keratoconus. The technology has tremendous potential to impact millions of people suffering from corneal diseases.
A novel hydrogel has been developed to induce endometrial regeneration and elucidate its mechanism, offering new hope for patients struggling with infertility. The gel, made from uterus-derived decellularized extracellular matrix, successfully regenerated the endometrium in mice, creating a favorable environment for embryo implantation.
A research team at the Wyss Institute engineered a 3D model of extracellular matrix to study the impact of tissue mechanics on T cells. They found that viscoelasticity played a crucial role in shaping T cell traits and functions, enabling the creation of functionally distinct T cell populations for adoptive therapies.
Researchers at UBC develop biodegradable gel that mimics articular cartilage properties, allowing for faster and more efficient cartilage regeneration. The gel's ability to resist compression and recover its shape after compression makes it a promising material for joint injury repair.
Researchers at MIT have created a metal-free, Jell-O-like material that can conduct electricity similarly to conventional metals. The material is made into a printable ink, which the researchers patterned into flexible, rubbery electrodes.
Researchers at MIT have developed a superabsorbent material that can soak up record amounts of moisture from the air, even in dry conditions. The material is made by infusing hydrogel with lithium chloride and has shown to absorb and retain unprecedented amounts of water vapor.
Researchers achieve 3D printing within mini-organs growing in hydrogels, allowing for precise control over shape, activity, and tissue growth. This breakthrough enables the creation of realistic models of organs and disease, with potential applications in cancer research and treatment.
Researchers created a new type of wound dressing material using advanced polymers, enabling customized dressings with fine-tuned surface adhesion. The material has potential applications in burn treatment and drug delivery for cancer patients, providing constant medication release outside the clinic setting.
Researchers at NC State University have developed a novel method for creating CO2 capture filters using 3D printing. The filters, made from a hydrogel material infused with the enzyme carbonic anhydrase, captured 24% of CO2 in a gas mixture and retained 52% of its performance after over 1,000 hours. This technology has potential applic...