Articles tagged with Adhesion
A new design framework for bored piles in weathered sedimentary rocks enables more reliable foundation designs. The study analyzed 20 instrumented load tests, adjusting intact rock strength to account for weathering, revealing clearer differences between siltstone and sandstone.
A modular system designed by Worcester Polytechnic Institute Assistant Professor Jiawei Yang enables the creation of customized hydrogel implants with tailored stiffness and functionality. The system addresses critical challenges in implant design, including adhesion and immune rejection, to improve long-term performance.
Computational studies reveal that the tetrahedral order of water molecules collapses at the contact line during complete wetting, leading to a change in line tension. This discovery provides a new design principle for controlling interfacial mechanics and wetting in inorganic and biological systems.
Researchers at Newcastle University have created a reversible adhesive that can bond materials together like traditional glue but can also be easily separated. This technology allows for the reuse, repurposing, or recycling of dissimilar materials, making it a game-changer for industries such as packaging and automotive parts.
Researchers developed a copolymer hydrogel fiber with reversible humidity-responsive characteristics, achieving high mechanical strength in dry state and rapid transformation into adhesive state upon contact with water. The fiber's unique nano-confined phase-separated structure enables cyclical switching between adhesion and detachment.
Researchers have discovered how Fusobacterium nucleatum binds to human cell receptors CEACAM1 and CEACAM5, which are frequently overexpressed on many types of cancer cells. This binding mechanism is crucial for developing novel antitumor therapies.
Researchers at Pohang University of Science and Technology developed a novel dry adhesive technology using shape memory polymers, allowing for precise micro-LED chip transfer with minimal residue. The technology offers significant advantages over conventional methods, including high adhesion strength and easy release.
Researchers at the Hebrew University of Jerusalem have developed a highly effective dual-layer coating that protects iron from rust with 99.6% efficiency. The breakthrough combines an ultra-thin molecular primer with a durable polymer layer, creating a strong and long-lasting barrier against corrosion.
The study estimates that expanded Medicare coverage for GLP-1RAs would increase access to these treatments and reduce obesity-related comorbidities. However, this would come with substantial costs over a decade, projected at $8 billion, highlighting the need for further price reductions and cost-saving strategies.
A team of researchers from Syracuse University and the University of Louisiana at Lafayette has discovered a new surface texture on sculpin fins that may enhance their grip in harsh environments. This finding could lead to the development of bio-inspired adhesives for robots, medical devices, and other applications.
Researchers developed a self-adaptive core-shell dry adhesive with remarkable performance under non-parallel contact. The 'live core' adapts to macroscopic interfacial angle errors, enabling stress equalization and high adhesion strength.
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.
A multicenter cohort study found that higher adherence to annual lung cancer screening was associated with increased overall and early-stage lung cancer detection rates. However, adherence decreased over time, suggesting it is a critical quality metric for lung cancer screening.
A new study from Tel Aviv University used AI tools to discover that 23.9% of people exercise to improve their appearance, while 18.9% prioritize physical health and 16.9% for mental well-being. The study also identified effective strategies for maintaining physical fitness, including creating exercise habits.
A new study by researchers at UCSF has found that long-acting injectable treatments can be transformative for patients who struggle to take daily HIV pills, resulting in undetectable viral loads and improved health outcomes. The treatment approach could help stop the spread of HIV by keeping more patients from being infectious.
Researchers create microfluidic device to sort tumor cells based on adhesive strength, revealing potential method to predict aggressive cancer behavior. The study's findings offer a promising approach for personalizing treatment plans and identifying high-risk patients.
A recent study in Nature Communications reveals that white blood cells employ a novel mechanism to dislodge bacteria from human tissues using brute force and integrin-based adhesion rings. The research, led by Xuefeng Wang, has significant implications for understanding the role of macrophages in cleaning up environmental pollutants.
Researchers at the University of Surrey have discovered a unique mix of lipids in polar bear fur that drastically reduces ice adhesion, paving the way for safer and more sustainable anti-freezing solutions. The study found that specific lipids, such as cholesterol and diacylglycerols, exhibit low adsorption energies on ice.
A cohort study found that patients without type 2 diabetes had higher discontinuation rates and lower reinitiation rates of GLP-1 receptor agonist therapy. Inequities in access and adherence to effective treatments exacerbate disparities in obesity.
Researchers developed mucoadhesive films combining xyloglucan and green tea extract to treat oral mucositis, a painful inflammation caused by cancer treatment. The films demonstrated high strength and adhesion forces comparable to commercial products, showing promise as a novel treatment for oral mucositis.
A POSTECH research team found that EGF/EGF-like domains interact with GlcNAc-based biopolymers to achieve strong underwater adhesion without oxidation, leading to durable and reversible bonds.
A group of researchers found that cells can move faster with lower force when adhered to soft surfaces with aligned collagen fibers. They developed a theoretical model to explain the physics behind this behavior, which has implications for cancer metastasis and wound healing.
Researchers at POSTECH developed an innovative injectable adhesive hydrogel that regenerates bone using harmless visible light. The hydrogel addresses limitations of existing treatments by simultaneously achieving cross-linking and mineralization without separate bone grafts or adhesives.
A recent study found that nearly two-fifths of women aged 40-49 did not receive biennial mammography screening, highlighting significant gaps in early detection. To optimize breast cancer detection, ensuring equitable adherence to U.S. Preventive Services Task Force recommendations is crucial.
Researchers at Texas A&M University have developed a skin-like material that can mimic human skin textures and elasticity, simulating conditions for bacterial growth. The Ecoflex-based skin replicas can be used to test wearable sensors and improve catheter designs, potentially reducing the risk of catheter-related bloodstream infections.
The American Heart Association has launched a new three-year initiative to standardize HCM systems of care and support better management of the disease. The initiative aims to overcome gaps in care for hypertrophic cardiomyopathy, leading to delayed treatment, increased risk of complications, and preventable death.
A new study published in the Journal of the American Heart Association found that Mexican American women are more likely to miss prescribed doses of stroke prevention medications. The study highlights sex-associated disparities in stroke care, particularly among racial and ethnic minorities.
A University of Arizona Health Sciences study found that peer support intervention improved CPAP adherence and patient satisfaction among 263 sleep apnea patients. The study showed that participants who received peer support used the CPAP machine correctly and consistently, averaging 4.5 hours of use per night, compared to those withou...
Researchers developed an octopus-inspired adhesive with elastic, curved stalk and membrane that adheres to multiple surfaces in wet environments. The adhesive demonstrated strong attachment to complex objects and could be rapidly attached and released.
Researchers at KAUST have developed a new cooling system that extracts water from the air using gravity, eliminating the need for electricity. The system can double the rate of water collection compared to alternative technologies and offers significant energy savings.
Researchers at UBC Okanagan challenge assumptions about the validity and suitability of high-intensity interval training (HIIT) for public health. They argue that evidence-based findings show HIIT is enjoyable and effective for a wide range of populations, despite critics' claims.
Scientists have overturned long-held assumptions in new research that finds water can be a help for adhesion. Water was found to increase adhesion by nearly four times during detachment, contrary to expectations. This breakthrough has profound implications for industries such as biomedical applications and advanced adhesives.
Researchers from NTU Singapore have created a smart, reusable adhesive more than ten times stronger than a gecko's feet adhesion. The adhesive uses shape-memory polymers that can stick and detach easily when needed, making it ideal for robotic grippers and climbing robots.
Researchers developed customized adhesive patches using mussel-derived proteins, exhibiting strong underwater adhesion, biocompatibility, and adjustable degradation time. These patches showed successful treatment in animal models, paving the way for personalized medical applications.
A team of scientists at Newcastle University has created a novel, water-based adhesive system that can bond surfaces in the neutral pH range but can be detached again in strongly acidic or alkaline environments. The new adhesive exhibits high adhesion strength to difficult-to-bond polypropylene surfaces.
The rock-climbing fish's setae structures convert water contact into a sticky gel-like substance, enabling dynamic adhesion. The Climbot robot replicates this mechanism to achieve tight adhesion on moving surfaces.
A team of chemists at Purdue University has created a sustainable adhesive system that uses epoxidized soy oil, malic acid, and tannic acid. The new adhesive is inexpensive, effective, scalable, practical to produce and completely sustainable.
Scientists have developed a technique for applying liquid metal to surfaces that don't easily bond with it, using force-responsive adhesion. The method allows for the creation of electronic 'smart devices' from everyday materials like paper and plastic.
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.
Scientists have discovered a universal method to bond soft materials together using electricity, eliminating the need for traditional adhesives. The new technique, called electroadhesion, uses oppositely charged materials to form strong bonds that can withstand gravity and last for years.
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 Georgia Tech discovered that wingless springtails control their jump, self-right in midair, and land on their feet due to their unique appendages for jumping and adhesion. This unique posture creates aerodynamic torque, effectively self-righting them within 20 milliseconds.
Researchers from McGill University developed a medical adhesive inspired by flatworms that uses suction to absorb blood and promote blood coagulation. The adhesive can be removed without causing re-bleeding, making it a potential replacement for wound sutures or delivering drugs.
Scientists developed a software platform to analyze surfaces, creating digital twins that predict material properties like adhesion and durability. The contact.engineering platform standardizes procedure and facilitates open science, allowing users to share measurements and collaborate.
A University of Houston engineer has developed a sprayable ice-shedding material that is 100 times stronger than any others. The new durable coating material controls interfacial fractures and can accelerate crack formation and growth.
A KAUST-led research team identified two drug treatments that boost the activity of molecules involved in cell adhesion, enhancing the ability of blood-forming stem cells to enter the bloodstream and produce new blood. This breakthrough could lead to improved bone marrow transplant success for leukemia patients.
Scientists develop a new model to predict when a droplet will splash upon hitting a solid surface, considering factors like wettability and roughness. The study could enable advances in agriculture, epidemiology, and printing technology.
A team of researchers from McGill University has discovered a way to control the stickiness of adhesive bandages using ultrasound waves and bubbles. This breakthrough could lead to new advances in medical adhesives, especially in cases where adhesives are difficult to apply.
Researchers have developed a supramolecular adhesive that exhibits outstanding gluing properties across a wide range of temperatures. The new adhesive consists of a protein and crown ether component, which form a tight interlocking structure through molecular interactions, resulting in exceptional adhesion even at low temperatures.
A team of researchers, led by Virginia Tech, has engineered a glove that mimics the arm of an octopus, capable of securely gripping objects underwater. The Octa-glove uses soft, responsive adhesive materials and embedded electronics to grasp objects without squeezing.
Researchers have deciphered the exact bacterial adhesion mechanism using Bartonella henselae, revealing a key role for trimeric autotransporter adhesins and their interaction with fibronectin. Experimental blocking of these processes almost entirely prevents bacterial adhesion.
A narrative review of endoscopic sleeve gastroplasty (ESG) highlights its potential as a minimally invasive weight loss procedure. The review concludes that ESG induces significant weight loss and improves obesity-related conditions, with the technique's success attributed to delayed gastric emptying. Researchers support the use of ESG...
Researchers developed a hot-melt tissue adhesive that can heal operative wounds without causing adhesions. The adhesive, made from biopolymers, transforms into a stable gel at body temperature and eventually decomposes, preventing postoperative complications.
Researchers created a theoretical model to describe the swelling, softening, and elastocapillary adhesion of cooked pasta. The study found that cooking time is directly related to the degree of noodle stickiness.
Scientists at Nanyang Technological University, Singapore, have developed a durable coating that prevents fogging and 'self-cleans' under sunlight exposure. The coating shows excellent adherence to the plastic surface and maintains durability in tests, offering an attractive long-term solution for various applications.
Researchers developed an injectable, adhesive surgical gel that prevents postoperative adhesions and improves wound healing. The gel, dubbed HAD, was tested in rats and rabbits with promising results, showing a significant reduction in inflammation and mortality rates.
The study found that plate wettability had no impact on the performance of anti-icing fluids, contradicting previous research. Smooth hydrophobic coatings were shown to prevent ice accretion and reduce water adhesion.
Researchers have discovered that intestinal bacteria can lead to more severe adhesions after abdominal surgery. The study found that mesothelial cells and EGFR signaling play a crucial role in the formation of these adhesions. The findings suggest that targeting EGFR may be a potential approach to reducing adhesion risk.
Researchers discover ways to generate clean energy from less-profitable farmland, restore habitat for grassland birds and create sustainable polymers. These breakthroughs could help achieve both renewable energy and conservation goals, as well as reduce future plastic waste.
The University of Huddersfield's Institute of Railway Research has won a prestigious prize from the Institution of Mechanical Engineers (IMechE) for its 'Low Adhesion Braking Dynamic Optimisation for Rolling Stock' (LABRADOR) simulation tool. This tool allows for the study of specific brake control features and prediction of train brak...