Articles tagged with Biomaterials
A new vaccine patch made of dissolvable material has been shown to be effective in protecting against flu infection, with an immune reaction equal to or stronger than traditional needle-delivered vaccines. The patch is easy to use without medical personnel, making it ideal for developing countries.
Researchers at the University of Illinois developed a novel single-step process to create three-dimensional (3D) texturing of graphene, increasing surface area. The 3D texturing enables expanded capabilities for electronics and biomaterials, including battery and supercapacitor applications.
The book explores the potential of 3D printing with biomaterials to minimize our carbon footprint and create sustainable products. A remarkable example is the printing of an entire town house from bio-based plastics, which reduces the material's carbon footprint by more than 60%.
Researchers have created DNA-coated nanoparticles that can hold together 3D-printed materials, forming gel-like substances suitable for human cell growth. This breakthrough could lead to the development of scaffolds for growing tissues and organs.
In a breakthrough study, researchers at Georgia Institute of Technology have developed a technique to activate biomaterials containing peptide signaling molecules using ultraviolet light. By designing molecular 'hats' that shield the peptides from recognition by cells, they can deliver drugs or particles with their signal in the 'off' ...
A special themed issue of the Journal of Dental Research covers recent developments in novel dental biomaterials and technologies, aiming to improve oral health outcomes. The issue highlights significant advances in materials engineering and their clinical applications.
Researchers leverage magnetically heated nanoparticles to overcome heat transfer limitations in cryopreservation, enabling rapid thawing of large biomaterials. The technology offers tunable heating rates and can accommodate unloaded sections up to several millimeters in dimension.
A team led by Arun Sharma has developed a system to protect against inflammatory reactions that can hinder tissue growth and function. Using self-assembling peptide amphiphiles, they demonstrated superior bladder function in a urinary bladder augmentation model.
Northwestern University professor Guillermo Ameer's team created a biodegradable, antioxidant biomaterial that reduces scarring and heals diabetic ulcers. The material is made from citric acid and vitamin C, and has potential applications in tissue engineering, medical device coating, and regenerative medicine.
Researchers at the University of Toronto have developed a tool that allows for cost-efficient, three-dimensional microgels to study cells in a naturalistic manner. The digital microfluidics platform enables flexible incorporation of different cell types and shapes, with potential applications in personalized medicine.
A research team at the University of California, San Diego has discovered how calcium phosphate-based materials encourage stem cells to differentiate into bone-forming cells. The findings could lead to the development of new biomaterials that can be used to treat bone defects and diseases.
Researchers have discovered cellulose nanocrystals with remarkable mechanical properties, including stiffness comparable to steel. These tiny structures, abundant in nature, offer a potential green alternative to carbon nanotubes for reinforcing materials.
Researchers have developed a new biomaterial that can deliver reparative cells to the nucleus pulposus, or jelly-like cushion found between spinal discs. The gel mix holds cells in place upon injection and provides environmental cues to promote their persistence and biosynthesis.
Researchers discovered that low levels of a toxic protein may cause more harm than high levels in neurodegenerative diseases such as Alzheimer's. Short protein threads formed at low levels can lead to disease progression, whereas longer filaments are thought to be protective.
Researchers developed a biomaterial that successfully engrafted insulin-producing cells into diabetic mice, reversing symptoms in just 10 days. The material promotes blood vessel formation and allows cells to survive and function within the body.
Researchers have developed a new solid form of bioactive plasma-based biomaterials that can promote healing at sites of tissue injury. These materials, known as PBMs, are easier to work with, inexpensive to produce, and safe to use.
A diagnostic 'cocktail' containing a single drop of blood, a dribble of water, and a dose of DNA powder with gold particles can mean rapid diagnosis and treatment of the world's leading diseases. The technology uses nanoparticles to target and illuminate cancer cells and tumours.
University of Toronto researchers dominated eight prize categories in this year's Natural Sciences and Engineering Research Council of Canada (NSERC) awards. A total of nine U of T researchers won honours, including Stephen Cook receiving the Gerhard Herzberg Canada Gold Medal for Science and Engineering.
The REBORNE project aims to develop new biomaterials that stimulate bone tissue formation with the use of mesenchymal stem cells. Clinical trials will be conducted in France, Spain, Germany, and Italy to evaluate the safety and efficacy of this treatment for delayed union fractures.
University of Toronto researchers have developed a device that can create three-dimensional, functional tissues through a precise and controlled process. The technology uses biomaterials to form a 'mosaic hydrogel' sheet, onto which cells are seeded in specific placements, mimicking natural cell placement in living tissues.
Ryan Gilbert, assistant professor at Rensselaer Polytechnic Institute, receives a $500,000 NSF CAREER Award to create novel biomaterials that can reduce astrocyte reactivity and aid nerve regeneration after spinal cord injuries. The project aims to deliver therapies directly to the injury site to promote axon growth.
Researchers at Georgia Tech and Emory University will develop biomaterials to capture molecules from embryonic stem cells for enhanced tissue regeneration in adults. The goal is to harness regenerative power of stem cells without tumor formation or immune system compatibility issues.
Professor Ali Khademhosseini, a leading expert in biomedical microdevices and biomaterials, will join the University of Texas at Austin's Department of Biomedical Engineering as a Donald D. Harrington Fellow. He aims to develop tissue-engineered organs and control cell behavior using novel, modular approaches.
New research provides evidence for the significant differences between new and old red blood cells used for transfusions. The study found that older red blood cells have undergone 'significant changes and damage', compromising their cell membrane integrity, making them not useful for transfusions.
Researchers at Cornell University have developed dermal templates made of type 1 collagen that promote vascular growth and encourage healthy skin to invade wounded areas. The templates are designed to improve healing outcomes and reduce the need for invasive surgeries.
Researchers at the University of Bristol are developing biologically-engineered synthetic liquid polymers to create a permanent solution for cartilage defects. The injectable gel can form three-dimensional scaffolds that encourage healthy cell growth and tissue repair.
Engineered proteins mimic titin, a key muscle protein, to create a tough yet extensible scaffold for muscle regeneration. The biodegradable biomaterial could aid in the healing process by allowing new tissue to grow across injuries.
UBC researchers have developed a new biomaterial that closely mimics the elasticity of muscle, showcasing high resilience at low strain and toughness at high strain. The material's mechanical properties can be fine-tuned to develop biomaterials with diverse useful properties.
Clemson University researchers have received a $195,000 grant to study breast cancer reconstruction using engineered tissue with anti-cancer properties. The project aims to improve reconstructive surgery performed on breast tissue following a lumpectomy by combining healthy cells with a degradable biomaterial.
Researchers at the University of Oregon have identified a new biomaterial in crab claws that is extremely fracture-resistant and could be used to develop stronger tiny tools and machines. The material, which is rich in bromine, was found to be 1.5 times harder than acrylic glass.
Researchers developed a novel 3-D screening method for analyzing cell-material interactions, cutting initial search times in half. The technique enables rapid assessment of biomaterials' biocompatibility and properties, with applications in tissue and organ repair.
A Rutgers-led team has been awarded $42.5 million to create an Institute of Regenerative Medicine, focusing on regenerative medicine and biomaterials science to treat severe blast trauma. The institute aims to develop new therapies for the repair of battlefield injuries and serve civilian trauma patients.
The Rutgers Center for Military Biomaterials Research has developed a spray-on dressing called GelSpray Liquid Bandage, which received FDA clearance for marketing. The dressing is designed to conform to wound geometry and adhere to intact skin while resisting abrasion.
Rutgers University's New Jersey Center for Biomaterials has developed a groundbreaking biomaterial that is being tested in clinical trials for a new coronary stent. The material, designed to be strong, biodegradable, and radio-opaque, addresses the long-standing challenge of creating clinically useful fully degradable coronary stents.
Researchers developed a method for layering biomaterials to create strong, porous units that can aid in bone reconstruction. The new approach mimics natural bone structure, combining the benefits of macroporous calcium phosphate cements with fiber-reinforced materials.
Researchers call for a rethink in biomaterials to create more reactive medical implants that engage with biological processes. The new approach aims to improve implant functionality, longevity and healing outcomes by working in harmony with the body.
Sukhishvili will support national biomedical research efforts with her expertise in biomaterials and biointerfaces. She will review grant applications, make recommendations, and contribute to the quality of peer review at the NIH.
Dr. Grayson Marshall is being honored with the Wilmer Souder Award for his significant contributions to dental materials research. His work on SEM and AFM studies has greatly advanced our understanding of bonding mechanisms and natural interfaces with biomaterials.
Researchers investigate chitosan, a natural and safe biomaterial found in crab and prawn exoskeletons, as a potential chelator to reduce radiation dose. Chitosan's ability to bind and remove radionuclides like cobalt, strontium, and radium is being tested in laboratory rats.
Dr. Ferracane is recognized for his pioneering work on dental composites, behavior of mercury in amalgam, and Fourier transform infrared techniques. He is also an esteemed teacher and has made significant contributions to the dental materials community through his research, teaching, and service.
The International Association for Dental Research (IADR) presented several awards and fellowships to recognize outstanding contributions in dental research. The IADR Honorary Membership was bestowed upon Robert V. Blanden, while the E.W. Borrow Memorial Award went to Poul Erik Petersen. Fellowships were also awarded to Janet D.C. Kan, ...
Researchers at University of Toronto have developed a new therapy using functional electrical stimulation to improve walking skills in patients with spinal cord injuries. After 12-18 weeks of treatment, the patients showed significant improvement and some were even able to stop using leg braces.
Georgia Tech researchers reveal that biomaterial surface chemistry influences cell behavior by altering adhesion proteins. This discovery can lead to the development of novel, rationally-designed biomaterials that control interactions between cells and materials.
A new study from Georgia Tech and Emory University suggests that the body's response to a combination device may be different and potentially detrimental when multiple components are involved. This can lead to an enhanced immune response, making it more difficult for the device to integrate smoothly into the patient.
Kohn's bioresorbable polymer was successfully licensed and incorporated into REVA Medical's stent devices. The collaboration resulted in rapid development and early pre-clinical study success.
A new technique developed by researchers at the University of Toronto has shown promise in guiding nerve cells to repair spinal damage. By using a series of fibrous rods with peptides, the team aims to stimulate cell adhesion and migration, bridging gaps between severed spine ends.
By applying combinatorial techniques, scientists can test thousands of polymeric materials in a single experiment, reducing the time and effort required to develop new materials. This technology has the potential to revolutionize fields such as biomedical and electronic engineering.
Dr. Fleming's research focuses on dental biomaterials and alternatives to amalgam alloys, demonstrating his commitment to developing clinicians as researchers in dental materials science. The IADR Young Investigator Award recognizes his scientific and mentoring skills, making him a strong role model for young researchers.
The Research in Prosthodontics/Implants Award was established to recognize outstanding research accomplishments in the field of prosthodontics. Nishimura's award acknowledges his contributions to four key areas: cell differentiation, tissue engineering, wound healing, and human genome bio-informatics.
Researchers found that there exists a critical nanometer size where mineral particles in biocomposites become insensitive to flaws, maintaining strength equivalent to a perfect crystal despite inherent defects. This phenomenon suggests that the engineering concept of stress concentration at flaws is no longer valid for nanoscale design.
Researchers at the University of Washington have developed a coating process that attracts and binds specific proteins to biomaterial surfaces, promoting affinity for natural healing. The technique, which uses keyhole-like indentations and sugar molecules, has shown strong affinity for proteins in laboratory experiments.