Articles tagged with Hydrogels
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Researchers have developed a breakthrough light-responsive Janus dural patch using photocurable hyaluronic acid, providing strong wet adhesion and preventing unwanted tissue adhesion. The patch seals wounds within five seconds with minimal swelling and high biocompatibility.
Researchers created an ultrathin hydrogel electrode that can track vital signals without interruption, overcoming previous dehydration, freezing, and mechanical fragility issues. The new material forms a flexible layer that can withstand extreme temperatures and retain water content over time.
A novel optical microneedle device developed by researchers can quantify glucose levels in ultra-trace samples with high precision, offering a potential solution for blood-sampling-free clinical testing. The device features a functional hydrogel at its tip that reversibly binds to glucose, enabling accurate analysis without consuming t...
Researchers at PolyU have developed an acid-resistant, ultra-stable mucus-inspired hydrogel that significantly improves gastrointestinal wound healing in animals and outperforms a clinically approved mucosal protectant. The hydrogel's potential for commercialization is high due to its low cost, ease of production, and established safet...
A new composite hydrogel containing Li-Ca-Si bioceramics particles and gelatin methacryloyl matrix has shown promise in treating dental pulp infections by facilitating innervation and odontogenic differentiation. The hydrogel promoted Schwann cell regeneration, cytocompatibility for dental pulp stem cells, and proliferation of DPSCs.
A superhydrated zwitterionic hydrogel with dedicated water channels has been developed for nonfouling solar desalination. The hydrogel rejects ions, proteins, bacteria, and algae while allowing water to flow at a rate of 2.35 kg m-2 h-1 under sunlight.
A research team at Nankai University has developed soft, stretchable 'power patches' that can be printed in various shapes and worn on the body to harvest low-grade heat. The patches generate a steady voltage when exposed to a temperature difference, making them suitable for wearable thermocells.
Researchers developed a novel bioelectronic material that transforms from a rigid film to a soft, tissue-like interface upon hydration, enabling seamless integration with living tissues. The device, called THIN, has been shown to record biological signals with high fidelity and stability in animal experiments.
Christina Tringides' CHAMELEON project aims to develop soft, sensor-laden brain implants that can monitor and treat glioblastoma with greater precision. Her lab creates hydrogel-based arrays with conductive electrodes to track neural signals in real-time.
Extracellular vesicles can mediate communication between cells and tissues, influencing processes like immune signaling and cancer progression. Researchers have developed a practical, scalable EV-isolation platform that operates without preprocessing steps or specialized equipment.
Scientists at Max Planck Institute develop a novel lab-on-a-chip system using intelligent hydrogel structures to simulate spatially and temporally controlled mechanical perturbations of biological polymer networks. The system applies precise pressure forces to cellular microenvironments, enabling research into biomechanical interaction...
MIT engineers developed artificial tendons made from hydrogel to connect lab-grown muscles with robotic skeletons. The tendons improved the robot's motion and force output by three times, enabling faster and more efficient biohybrid robots.
Researchers developed a novel hydrogel that leverages radiative and evaporative cooling to efficiently manage heat in harsh outdoor environments. The breakthrough design offers enhanced fire safety and water autonomy, promising significant advancements in thermal management.
Researchers developed a composite hydrogel that integrates antibacterial, immunomodulatory, and regenerative functions to promote faster wound closure. The hydrogel demonstrated over 98% antibacterial efficacy and improved fibroblast and endothelial cell growth.
A team of researchers developed an octopus-inspired, hydraulically actuated hydrogel gripper that achieves damage-free adhesion for complex underwater manipulation. The innovative design offers a transformative blueprint for next-generation soft robotic grippers.
Researchers developed an ultra-sensitive hydrogel for human-machine interaction, achieving high-accuracy collaboration in remote surgical operations and virtual reality. The AirCell Hydrogel boasts a smooth surface and porous interior structure, allowing it to detect various human motions with exceptional accuracy.
Researchers developed an all-flexible, self-cleaning smart window that fine-tunes solar gain in real time and protects against environmental contaminants. The device's multifunctionality could accelerate green building development and address climate change concerns.
Researchers create peptide hydrogel that controls drug release, improving treatment adherence and efficacy for conditions like tuberculosis and diabetes. The SABER platform uses reversible chemical bonds to slow down drug release, offering a promising solution for precise delivery.
A new hydrogel sensor has been developed to enable long-term, high-fidelity EEG recording and attention assessment. The PGEH patch uses machine learning-powered attention decoding and reusable skin adhesion, making it a potential game-changer for wearable neuromonitoring.
Researchers developed an acid-resistant hydrogel called ultrastable mucus-inspired hydrogel (UMIH) that improved gastrointestinal wound healing in animal models and outperformed a clinically approved mucosal protectant. UMIH showed 15 times stronger adhesive abilities and remained stable for 7 days in acidic conditions.
Researchers developed a new origami-inspired folding strategy for reversible actuation of hydrogel pores, integrating facet-driven folding into polygonal pores to enable programmable and predictable actuation. This strategy retained 90% of its original shape after repeated swelling-shrinking cycles, demonstrating excellent reliability.
Researchers have developed a hydrogel electrolyte that regulates the coordination environment of water molecules, enabling high-stability and flexibility in zinc-based devices. This breakthrough can lead to advanced energy storage solutions for extreme environments.
Researchers developed a novel 3D printing technique called IPS 3DP to create personalized implants with specific mechanobiological properties. The method enables the creation of structurally complex hydrogels with hierarchical microstructures and strain-stiffening behavior, paving the way for advanced biomedical applications.
Researchers have created a wearable system that combines drug delivery, electrical stimulation, and continuous monitoring to treat diabetic foot ulcers. The microneedle platform anchors securely into the skin and adjusts therapy in real-time to prevent severe tissue damage.
Researchers have developed a smart hydrogel surface that can instantly recognize whether it's in contact with oil or water and switch its behavior to separate the two. The surface achieves a record-breaking separation speed of 17,750 liters per square meter per hour, three to five times faster than most current membranes.
Researchers have developed a self-powered microneedle patch that can monitor biomarkers without drawing blood or relying on external devices. The patch uses dermal interstitial fluid (ISF) as a cleaner sample, which contains similar biomarkers to blood and doesn't require processing before testing.
Researchers developed an alginate-based microrobot that can be tracked using Magnetic Particle Imaging (MPI) and performs real-time localization, selective thermal therapy, and cell delivery. The robot is powered by a single magnetic actuation system independent of conventional medical imaging devices.
A novel hydrogel has been developed to accelerate wound healing in infected wounds by regulating the skin microbiota. The hydrogel, PSG15, inhibited bacterial growth and promoted tissue regeneration, enhancing angiogenesis and collagen deposition.
A new hydrogel patch with dual-sided design offers adjustable, revocable adhesion and anti-adhesive functions for enhanced tissue repair. It reduces inflammation, promotes healing, and allows repositioning during surgical procedures.
Researchers developed a multifunctional hydrogel reinforced with ANFs and MXene, achieving outstanding EMI shielding and wearable sensing performance. The innovative design balances electrical conductivity and effective absorption, addressing long-standing challenges in flexible electronics.
A new study maps the internal behavior of soft materials when deformed, revealing localized fracture events and heterogeneous flows. The findings challenge long-standing assumptions and provide valuable insights for improving manufacturing techniques.
Researchers have developed an innovative ASPIRE cooler that leverages a dual-alignment structure within a hygroscopic hydrogel to achieve high-power passive daytime cooling. The study reveals the potential for this technology to enable sustainable cooling solutions for various applications.
The review highlights the potential of hydrogel electrolytes to create rechargeable zinc-ion batteries that can withstand extreme temperatures, mechanical deformations, and environmental damages. Hydrogel electrolyte technology paves the way for next-generation energy storage devices.
Researchers have developed innovative composite nanotechnology that removes excess nutrients from wastewater, converting them into agricultural fertilizers. The technology reduces ammonia and phosphate concentrations by up to 60% and 91%, respectively, effectively preventing harmful algal blooms and associated toxins.
Scientists replace toxic additives in hydrogels with D-sorbitol, a safe sugar alternative found in chewing gum, to create bioelectronic devices that are soft, safe, and integrated with natural tissue. The new material has increased biocompatibility and improved electronic performance.
Researchers developed a smart hydrogel system that supports the growth of human salivary cells in three-dimensional spheroids. The system enables the formation of large, viable spheroids with high expression of key salivary proteins and demonstrates functional activity.
Researchers from Yokohama National University have developed a method to fabricate complex oriented tissues with multiple directionality using 3D printing. This technique utilizes flow to orient collagen fibers and cells, allowing for the creation of fine, micro-oriented structures in both horizontal and vertical directions.
Researchers at McGill University have developed a new way to create hydrogels using ultrasound, eliminating the need for toxic chemical initiators. The breakthrough offers a faster, cleaner and more sustainable approach to hydrogel fabrication.
A new microscopy method, LICONN, developed by ISTA scientists and Google Research, can reconstruct mammalian brain tissue with all synaptic connections between neurons. This technique uses standard light microscopes and hydrogel to achieve high resolution and opens up possibilities for visualizing complex molecular machinery.
Researchers have developed ionic hydrogel self-powered sensors with sustainable energy supply, converting various external stimuli into electrical signals. The sensors offer unique advantages in structural and performance design due to their excellent flexibility and ease of preparation.
Researchers at MIT have developed a new method to fabricate stretchable ceramics, glass, and metals using a double-network design. This material can stretch over four times its size without breaking, making it suitable for tear-resistant textiles and flexible semiconductors.
Researchers at Zhejiang University developed a novel 3D-printed hydrogel that can easily switch its Young's modulus from kPa to GPa through on-demand crystallization. The hydrogel exhibits a hardness of 86.5 Shore D and a Young's modulus of 1.2 GPa, surpassing current 3D-printed hydrogels.
Researchers at Swiss Federal Laboratories for Materials Science and Technology (EMPA) have developed an artificial skin model using a non-swelling hydrogel made from cold-water fish gelatin. The hydrogel can be 3D printed and contains cells, emulating the layered structure of human skin.
Jiawei Yang creates bioadhesives with two layers, a transparent solid hydrogel layer and a clear liquid adhesive layer, to provide fast, strong, stable, and deep adhesion in the body. The new bioadhesives have potential applications in treating Parkinson's disease, heart failure, and healing damaged cartilage.
Researchers developed an injectable hydrogel containing fish swim bladder components to repair damaged heart tissue, showing enhanced cardiac cell adhesion and stretching. The treatment also promoted new blood vessel formation and reduced inflammation in a rat model of ischemic heart failure.
Researchers from TU Graz and Vellore Institute of Technology have developed a 3D-printed skin imitation with living cells to test nanoparticles from cosmetics. The skin imitation mimics human skin's three-layer tissue structure and biomechanics, made possible by hydrogel formulations printed together with living cells.
Aging individuals experience bone loss despite physical activity, highlighting the importance of MSCs in regulating bone mechanoresponse. The new 3D bone marrow analog reveals that trabecular volume affects MSC response to mechanical signals, with higher strains associated with older densities and increased F-actin production
A team of engineers has created a new hydrogel that rapidly switches between soft and hard states, making it ideal for real-time applications such as impact-resistant wearables or soft robots. The 'instant armor' hydrogel achieves this with a high-entropy design that allows rapid recovery in just 28 seconds.
Researchers developed a 3D-printed hydrogel from cow meniscus tissue, customized to individual patient needs, offering a more precise solution for meniscus repairs. The treatment aims to outperform current methods, which often result in poor healing.
Researchers identified a Y chromosome-linked gene, UTY, as a key driver of valve calcification in males. In females, fibrotic tissue formation stiffens the valve, leading to different disease progression. The study highlights the importance of sex-based mechanisms in heart valve disease
MIT engineers have developed a way to grow artificial muscles that twitch and flex in multiple coordinated directions. This breakthrough allows for the creation of soft, wiggly robots with enhanced flexibility and range of motion.
Binghamton University researchers have created a hydrogel electrode that includes conductive carbon nanotubes to monitor nerve activity in spinal cord neurons and leg muscles in mice. The technology solves the problem of rigid materials causing damage during movement, allowing for long-term functionality and single-cell signal detection.
A new hydrogel material combines toughness, electrical conductivity, and environmental sustainability, offering a promising solution for flexible electronics. The hydrogel exhibits exceptional mechanical properties and antibacterial properties, making it suitable for applications in strain sensors and supercapacitors.
A team of researchers from Aalto University developed a hydrogel with a unique structure that combines high stiffness with flexibility and self-healing capabilities. The material uses exceptionally large and ultra-thin specific clay nanosheets, allowing it to self-heal via entanglement.
Researchers have developed ExPOSE, a method that allows for the visualization of plant cells with greater resolution, enabling studies on protein and RNA location, and cellular response. The technique uses protoplasts to overcome cell wall challenges, paving the way for a powerful new toolkit in plant biology.
A Chinese research team has created a single-step femtosecond laser 4D printing technology that enables rapid and precise micro-scale deformation of smart hydrogels. The innovation mimics the hierarchical structure of butterfly wings, promising applications in flexible electronics and minimally invasive medicine.
The study introduces a new way to apply cellulose nanocrystals, resulting in high-strength, reconfigurable, and mechanochromic hydrogels with improved mechanical properties and dynamic color-changing abilities. These materials have potential uses in sustainable bioplastics, flexible electronic substrates, and smart photonic devices.
Researchers developed a self-healing hydrogel that can resist cracking and damage quickly. By incorporating sacrificial segments, the material forms new networks to reinforce itself.
Researchers at Institute for Chemical Reaction Design and Discovery developed a rapid self-strengthening technology using weak azo bonds in double network hydrogels. This enables the material to rapidly form new polymer networks, increasing its strength upon deformation.
Researchers at the University of Texas at Austin have developed a molecularly functionalized biomass hydrogels system that can pull drinkable water out of thin air. The system uses a two-step molecular engineering process to convert various natural products into sorbents, which can then be heated to release clean water.