Articles tagged with Hydrogels
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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.
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.
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 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 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.
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.
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...
McGill researchers are developing a new technique using 3D printing and hydrogels to create biomedical devices that conform to the human body. This emerging technology, called soft ionotronics, has the potential to improve wearable and implantable devices, such as strain sensors for neuromuscular rehabilitation.
Researchers from GIST have developed graphene-based conductive hydrogels that are injectable, degradable, and highly compatible with biological systems. The novel electrodes outperform traditional metal electrodes in signal transmission and stability, offering promising solutions for long-term medical monitoring and treatment.
A team of researchers from the University of Oklahoma and Yale University has developed a super-resolution imaging platform technology to visualize nanoparticles within cells. The technique, called expansion microscopy, enables 3-D imaging with resolutions as low as 10 nanometers, allowing for safer and more efficient nanomedicines.
A sustainable, insoluble, and chiral photonic cellulose nanocrystal patch enables calcium ion (Ca2+) sensing in sweat. The researchers developed a simple method to fabricate CNC-based hydrogels, which exhibit freeze resistance, strong adhesion, good biocompatibility, and high sensitivity to Ca2+.
The Texas Heart Institute and The University of Texas at Austin receive a four-year, $2.37 million NIH grant to develop injectable hydrogel electrodes for preventing and managing ventricular arrhythmias. Researchers have already demonstrated the feasibility of pacing the heart using the hydrogel in a porcine model.
A research team from HKU has developed a new type of electroconductive hydrogels with outstanding mechanical strength and manufacturability, enabling various bioelectronic devices. The material shows high electrical conductivity and mechanical strength, making it suitable for applications such as neural prosthetics and cardiac patches.
A team of researchers has created a touch-responsive fabric armband that can be used as a keyboard or sketchpad. The device uses a pressure-sensitive hydrogel sandwiched between layers of knit silk to interpret user input, allowing for real-time writing and gaming on computers.
Scientists have identified a novel mechanism of gel formation in synthetic polymers, which leads to the creation of worm-like structures. This breakthrough has significant implications for biofabrication and could lead to the development of new medical implants, contact lenses, and other applications.
A new type of floatable photocatalytic platform composed of hydrogel nanocomposites efficiently proceeds hydrogen evolution reaction. The platform exhibits clear advantages over conventional systems, including efficient solar energy conversion and easy gas diffusion.
The study developed conductive hydrogels with high sensing performance, excellent stretchability, and tensile strength, thanks to the use of cationic cellulose nanofiber-dispersed liquid metal. The hydrogels demonstrated a very high sensing sensitivity and good repeatability and durability.
Researchers developed tendon-mimetic hydrogels with outstanding mechanical properties, including excellent Young's modulus and strength, by mixing aramid nanofibers with polyvinyl alcohol. These hydrogels show promising capabilities for tissue repair and implantable medical devices.
Researchers discovered a hydrogel material that maintains its ability to absorb moisture despite rising temperatures, contradicting intuition. The material, polyethylene glycol (PEG), doubles its water absorption between 25-50 degrees Celsius, making it suitable for passive cooling and water harvesting applications.
Scientists discovered a way to regulate the mechanical strength and recoverability of peptide hydrogels by manipulating incubation temperature and time. By controlling droplet formation, they created fibril networks with optimal properties for various applications.
Researchers at RIKEN have created a composite material that can channel mechanical energy in one direction but not the other, allowing for efficient use of random vibrations. This property is essential for various biological functions and has potential applications in electronics, photonics, magnetism, and sound.
Scientists discover carbonated water's impact on low-methoxy pectin hydrogel formation and properties. The study shows that CO2 from carbonated water increases mechanical strength and gelation rate of hydrogels.
Scientists at RIKEN have developed a new technique for creating complex 3D organoids using a cube-like structure made of hydrogels. This innovation enables researchers to control the environment around cells, allowing for the creation of tissues with faithful reproduction of asymmetric genetic expression. The technology has the potenti...
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.
Researchers used a biomimetic model to study wound healing in burn and laceration wounds. Fibroblasts were found to clear away damaged tissue before depositing new material, but this process was slower in burn wounds due to more tissue damage. Therapies that promote wound clearance could accelerate healing.