Articles tagged with Biomechanics
A multidisciplinary team will integrate existing data to develop a computational framework predicting how vaginal tissue changes in response to hormones. The project aims to identify relationships between hormone dynamics and tissue microstructure and mechanics, ultimately improving women's health outcomes.
The new technique overcomes hardware barriers to provide highly accessible and affordable 4D imaging for diagnosing and monitoring complex eye diseases like glaucoma. It captures true 3D and 4D volumetric data, overcoming limitations of conventional 2D imaging.
Researchers have developed a laser-powered technology that accelerates antibody-antigen interactions to detect tiny amounts of a colorectal cancer biomarker within minutes. This technology has the potential to improve cancer diagnosis by increasing detection sensitivity and speed.
Hot peppers grown in biochar and animal manure-amended soil exhibit higher heavy metal concentrations, particularly Zn and Cu. Bioaccumulation factors for certain metals exceed 1, indicating potential for remediation.
A new diagnostic method using labelled white blood cells has been developed to diagnose and monitor necrotizing external otitis, a rare disease of the skull base. The method, known as 99m Tc-HMPAO labelled autologous leukocyte scintigraphy, shows high sensitivity and specificity in detecting the disease and its recurrence.
The study found that faster receive-to-pass transitions were linked to avoiding rapid foot approaches, maintaining upright body posture, and limiting ball rebound. This research provides a new biomechanical perspective on the soccer 'first touch' and may help translate coaching concepts into measurable movement characteristics.
Cobalt-based electrocatalysts have shown high efficiency in reducing nitrate to ammonia, with some achieving 100% Faradaic efficiency. Researchers have discovered alloying cobalt with other metals and engineering crystal structures can fine-tune the reaction pathway to favor ammonia production.
Researchers have developed a novel AlphaFold-based method that introduces a repulsive force between predicted structures, allowing for the sampling of multiple conformational states. This enables the prediction of diverse protein conformations rapidly and accurately, with potential applications in drug design and protein engineering.
Pharmaceutical contamination in soil and air has severe ecological impacts, affecting animal, plant, and microbial communities. The review highlights the need for interdisciplinary research to understand the dynamics of pharmaceuticals in soil and their long-term implications for ecosystem health.
A novel AI model has been developed that can recognize yoga poses with high accuracy, paving the way for more effective digital coaching tools and movement-monitoring applications. The model achieved accuracy levels of over 93% during testing, significantly outperforming previous models.
Researchers found that parents who ran with a stroller were less likely to sustain an overuse injury during the first three years after becoming a parent. For every 1,000 miles run, stroller runners saw a 55% lower injury rate compared to those who ran without a stroller.
Vertically resisted plyometric training ranked highest among 10 training modalities for improving change-of-direction speed in trained individuals. The analysis found that this type of training optimizes reactive strength and muscle's ability to switch from eccentric to concentric contraction.
A study led by IBEC researchers reveals that cells reorganize their internal scaffolding in response to sustained stretching, forming supracellular networks and 'uncaging' their nuclei. This process is facilitated by interactions between keratin and actin filaments.
The University of North Florida has been awarded a grant to provide immersive research education focused on pediatric rehabilitation and assistive technology. Students will participate in a 12-week program with coursework, guest speakers, mentored projects, and hands-on exposure to data science and clinical populations.
Researchers studied six royal mummies from the Middle Kingdom and found evidence of strong muscle attachments and healed fractures, indicating the princesses were skilled archers. The study provides insight into the daily lives of these royal women, revealing they faced hardships despite their high status.
A recent study found that nearly 9 in 10 pregnant participants struggled to place their seatbelts correctly, despite instruction and guidance. The researchers highlighted the need for updated restraint system designs to accommodate changing female anatomy during pregnancy.
Researchers developed an ultrasensitive electrochemical biosensor to detect early-stage liver fibrosis using only a small amount of blood, providing a non-invasive diagnosis method. The sensor achieved high sensitivity and accuracy, distinguishing between healthy individuals and patients with 95.24% sensitivity and 100% specificity.
A new video game, 'Run FoVE your life,' simulates high-intensity movement dynamics and energetics of cheetah chases, incorporating real movement data from human athletes in chase-tag games. The game aims to further understanding of fatigue and movement decision-making in life-or-death encounters.
Researchers identified five novel variants within the LOXHD1 gene that contribute to non-syndromic hearing loss in Chinese patients. Early intervention and cochlear implants showed promising results, highlighting the importance of genomic sequencing and personalized interventions.
Researchers analyzed high-speed camera footage of skilled soccer players performing the scissors feint, revealing distinct movement characteristics that differ from less-skilled players. These include active distance regulation, strategic modulation of relative speed and efficient feint execution.
Researchers at RCSI University of Medicine and Health Sciences have developed an artificial model of the mitral heart valve that faithfully mimics its complex mechanical behavior. The study could help researchers better understand valve disease and develop new treatment approaches.
As we age, the body adopts a safety-first walking style that sacrifices efficiency for stability, leading to slower speeds and increased fatigue. Researchers identified subtle changes in ankle and surrounding muscles controlling each step.
Researchers discovered that plant stomata orientation is influenced by both cell shape and mechanical stress. In Arabidopsis thaliana, stomatal divisions tend to align with the long axis of the cell but can be altered by mechanical stress, particularly on the adaxial side where growth rates differ.
Research finds that feeding on non-native plants during larval stage influences adult wing coloration and reproductive behavior in Fischer's Blue butterflies. Native plant hosts appear more yellowish and have lower ultraviolet reflectance, attracting more mates.
Osaka Metropolitan University researchers developed a light-driven method to rapidly collect microscopic targets, outperforming traditional techniques. The technique concentrates bacteria between 1000-10,000 times faster than existing approaches, paving the way for early disease detection and analysis of nanoparticles.
Researchers at Kyushu University identified a molecular mechanism behind keel formation, revealing that a developmental
Researchers subjected fruit flies to extreme gravitational forces and found they adapted and recovered, showing resilience in movement and energy use. The study suggests the brain makes energy trade-offs based on gravity levels, with moderate increases pushing for more movement and higher energy demands.
Researchers at Kyushu University developed a new mathematical model that simulates oxygen transport by red blood cells through tiny blood vessels and their delivery to surrounding tissues. The findings show that RBCs can naturally adjust the amount of oxygen released based on local requirements.
A team of researchers from The University of Osaka used supercomputer simulations to study how vortices generated by dolphin kicks power fast swimming. They found that large, powerful vortices created by the movement of the dolphin's tail are responsible for most of the propulsion, while smaller ones contribute little to forward motion.
Research shows that nine weeks of Nordic hamstring exercise training increases eccentric knee flexor strength and allows participants to control the exercise through a greater range of motion. The study found that muscle fibers can stretch to longer lengths during exercise without overstretching, reducing injury risk.
A new study reveals that sunbirds employ tongue suction to slurp nectar, a novel mechanism in vertebrates. This finding highlights the power of convergent evolution, where different species adapt to similar ecological challenges in distinct ways.
Researchers at Osaka Metropolitan University discovered that dragonfly visual protein detects red light similarly to mammals. This finding has potential applications in medical fields relying on red light-sensing, such as optogenetics.
Researchers at MIT have developed an ultrasound wristband that precisely tracks hand movements, allowing users to control a robotic hand or manipulate virtual objects. The device produces high-quality images of the wrist's muscles and tendons, which are then translated into specific hand positions, enabling precise movement control.
Researchers discovered a freshwater alga that captures far-red light for photosynthesis by rearranging ordinary chlorophyll. This unique strategy allows the alga to thrive in shaded forests and murky waters, making it resilient in tough environments. The findings have practical implications for sustainable bioenergy production and may ...
Utah engineers have created a wearable, portable hip exoskeleton that reduces the energy needed to walk by nearly 20% in individuals with hemiparesis after a stroke. The device helps compensate for reduced ankle propulsion and provides real-time motor assistance, improving mobility and quality of life.
Researchers found that participants initially overestimated the awkwardness of their gait but improved as they practiced using the prosthetic device. Despite significant performance gains, participants remained inaccurate in assessing their own body movement, focusing on torso position rather than prosthetic behavior.
A research team developed an AI-based optical diagnostic platform that can distinguish between nasal secretion and cerebrospinal fluid (CSF) leaking within minutes. The platform achieved an exceptionally high diagnostic accuracy of 90.8% in identifying CSF leakage, overcoming the challenge of visually indistinguishable fluids.
Researchers at USC's Kanso Bioinspired Motion Lab discovered that sea stars' tube feet respond independently to changing loads, enabling local control strategy. This decentralized approach can optimize robot locomotion and adapt to environmental changes.
Researchers used advanced microscopy and computational modeling to discover why herpesvirus infection changes nuclear structures and biomechanical forces. The study found that DNA viruses infect cells and take over the host cell nucleus, leading to dramatic structural modifications and a softening of the nucleus.
Researchers identified two fundamental coordination patterns in underwater dolphin kick, accounting for over 99% of movement across performance levels. Faster swimmers exhibited greater shoulder extension and increased lower trunk movement, enabling reduced water resistance and improved propulsion.
A new theory of proprioception challenges traditional understanding by incorporating frontier bionic evidence. The proposed framework reconceptualizes proprioception as a dynamic augmentable interface, enabling functional movement and potentially improving rehabilitation outcomes in sports injuries and neurological diseases. Researcher...
Researchers discovered that certain bacteria wrap their rotating flagella around their cell bodies to form a screw thread, allowing them to propel forward through narrow passages. This mechanism enables bacteria to navigate complex environments and even infect host insects.
A Korea University study successfully mimics heart mechanics in organoids using three-dimensional magnetic torque, enhancing cardiac differentiation, maturation, and vascularization. This breakthrough could improve drug safety testing by providing more accurate human-relevant models for cardiotoxicity screening.
A recent study using Drosophila as a model organism reveals the involvement of linear ubiquitination in T-tubule biogenesis. The findings highlight LUBEL's role in triggering Amph-mediated T-tubule formation, which promotes membrane tubulation and curvature through self-ubiquitination and positive feedback loops.
A study of 198 male rugby players found that injuries caused by indirect contact had a high incidence and burden, while tackle direction was associated with injury severity. The insights gained can guide targeted prevention programs for knee injuries in rugby.
A study published in eLife reveals how kangaroos increase their hopping speeds without incurring an associated energetic cost. By adjusting their posture, kangaroos reduce tendon stress and energy storage, allowing them to maintain the same amount of net work at the ankle, regardless of speed.
Researchers used CRISPR technologies to discover previously unannotated DNA stretches in the 'dark genome', which control cell response to mechanical properties of their environment. This work could lead to new therapeutic targets for illnesses involving changes to tissue mechanics, including fibrosis and cancer.
Researchers used computer simulations to understand how protein dynamin forms small vesicles within cells. Dynamin loosens at a certain stage to generate the force needed to narrow the surrounding membrane tube, providing insights for artificial nano-device design.
Researchers discovered that SIRT3 deficiency intensifies eustachian tube dysfunction in mice, leading to thicker mucus, weakened cilia, and impaired tube opening. SIRT3 plays a protective role in maintaining mucociliary transport capacity and pressure-regulation mechanisms.
Researchers introduce a new method to measure middle ear transfer function more accurately, eliminating inner ear impedance effects and capturing complex stapes motion. This approach provides a reliable framework for future middle ear implant research and improves the understanding of human hearing mechanisms.
Researchers used engineering simulations to test the anatomy of a 250-million-year-old mammal and found that it likely had an eardrum large enough to hear airborne sound effectively. The study's findings challenge previous hypotheses on how early mammals heard, providing new insights into their evolution.
Researchers at UT San Antonio have discovered the molecular mechanisms generating electrical oscillations in microtubules, a frequency similar to that observed during brain activity. This discovery could lead to therapies preventing or reversing memory loss and improving neuroplasticity.
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...
Researchers found that children's paintings share similarities with Pollock's work, featuring smaller fine-scale patterns and simpler trajectories. Adults' paintings, on the other hand, had higher paint densities and more complex fractal patterns.
A new study has discovered that cancer cells use different strategies to move through tight tissue gaps, with fibrosarcoma cells being more flexible and deformable. This flexibility allows them to squeeze through narrow gaps more efficiently, but does not affect the direction of their movement.
The University of Oxford has launched the Nature's Intelligence Studio, a programme that translates principles from biological systems into technologies supporting sustainable innovation. The studio aims to align conservation and industrial decarbonisation through bio-inspired solutions.
Researchers discovered that woodpeckers brace their head, neck, abdomen, and tail muscles to hold their bodies rigid while pounding on wood. The birds synchronize their breathing with each impact, like ace tennis stars grunting noisily to stabilize core muscles.
Researchers find that malaria parasites use a chemical reaction powered by hydrogen peroxide decomposition to make their iron crystals spin. This motion may be crucial for the parasite's survival, helping it to eliminate excess toxic chemicals and efficiently store essential heme.
Researchers used computational engineering techniques to simulate weight and gravitational stress on sauropod femurs. They found that two South American genera, Uberabatitan and Neuquensaurus, could generally remain standing for extended periods, allowing them to feed on high branches and defend against predators. The simulations sugge...
Researchers studied snake strikes using high-speed cameras, revealing distinct biting styles among viper, elapid and colubrid species. Viper fangs embed quickly, while elapids bite repeatedly, with colubrids sweeping their jaws to deliver maximum venom.