Osaka University researchers created light bullets with controllable velocities, opening up opportunities for free-space communication, bio-imaging, and particle acceleration. By deforming pulse-fronts, they can achieve variable velocities during a single propagation path.
Researchers at Osaka University have created thin films of neodymium nickel oxide with an electrical resistance that can change dramatically by controlling the distribution of hydrogen ions. This breakthrough could lead to novel switches and potentially entirely new kinds of computer circuits.
Osaka University researchers developed a technique to study liver cancer genes in lab mice, identifying a serum biomarker for effective treatment. The study found that FGF19-driven HCC is susceptible to lenvatinib treatment and a specific protein, ST6GAL1, can be used as a biomarker.
A study published in Science Advances found that complex animal colorations can evolve through a simple mechanism: pattern blending by hybridization. This hypothesis is supported by an analysis of over 18,000 fish species, revealing strong associations between intricate maze-like patterns and simple spot patterns.
Researchers developed a nanopowder made of sodium titanate nanofibers that can efficiently capture Co2+ ions, increasing surface area for improved removal efficiency. The seaweed-like morphology enhances the filter's ability to remove hazardous heavy metals and radionuclides from water.
Researchers from Osaka University have developed a technique to visualize small-molecule drugs in cells using gold nanoparticles and surface-enhanced Raman scattering (SERS) microscopy. This approach allows for real-time observation of the dynamics of small molecules inside target cells, providing valuable insights for drug discovery.
A research team at Osaka University has discovered a new enzyme that helps make valuable bioactive saponins, including glycyrrhizin, a potent natural sweetener with antiviral properties. The enzyme discovery opens novel routes for producing these high-value products commercially.
Researchers at Osaka University have created a label-free method for identifying respiratory viruses based on changes in electrical current through silicon nanopores. This new system uses machine learning to achieve highly accurate virus classification, with potential applications for COVID-19 and influenza diagnosis.
Researchers at Osaka University found that Polβ prevents DNA breaks in brain cells of the hippocampus during early postnatal development, supporting cognitive development. The study also reveals a link between DNA demethylation and increased double-stranded breaks, which can lead to altered gene expression and impaired memory formation.
Researchers from Osaka University have successfully polished a single-crystal diamond wafer to near-atomic smoothness using plasma-assisted polishing, which could enable the material's use in high-performance power devices and heat sinks. The technique avoids damaging the crystal structure and preserves its chemical properties.
Scientists create nanoscale silicon resonators for logic gates of light pulses, potentially leading to faster and all-optical computer switches. This breakthrough could bridge the gap between electronic and optical signals in computing.
Osaka University researchers developed an innovative AI-assisted video camera system that improves the detection of specific target behaviors in seabirds. The new system, combined with machine learning techniques, increased detection accuracy by up to 15-fold and reduced runtime limitations.
Researchers at Osaka University developed a unique imaging technique using terahertz light to visualize early-stage breast cancer less than 0.5 mm. The technique boasts an accuracy of approximately 1000 times higher than conventional methods and shows promise for quantitative determination of cancer malignancy.
A study published in IEEE Transactions on Power Electronics detects the earliest stages of failure in silicon carbide power electronics through real-time acoustic monitoring. The researchers found that increasing acoustic emission signals correspond to progressive damage to aluminum ribbons, allowing for early warning of device failure.
A new study by Tomohiro Kurosaki at Osaka University reveals that Bach2 expression and reduced mTORC1 activity are necessary for activated B cells to become memory B cells, a type of white blood cell that sticks around for years and provides rapid responses to re-infection. This understanding can help develop efficient vaccines.
Osaka University researchers have developed a method to enhance the structural integrity of 3D-printed hydrogels containing cells using silk nanofibers. The fibers improve the mechanical properties of the bioink, allowing for more realistic organ printing and reducing cell damage.
Scientists at Osaka University have discovered a novel mechanism, microtube implosion, which generates megatesla-order magnetic fields. This breakthrough is three orders of magnitude higher than what has been achieved in a laboratory, with potential applications in materials science, quantum electrodynamics, and astrophysics.
A team of researchers from Osaka University has identified the crucial role of lipids, lysosomes, and autophagy in preventing kidney injury. By understanding how calcium, lipids, and lysosomal degradation interact, scientists can develop new treatments for kidney damage caused by crystal-induced injuries.
A new study found that reduced transportation of RNA by protein TDP-43 disrupts neuron function, leading to stunted axon extension in both ALS and FTLD. The discovery provides a potential target for new treatments.
A research team at Osaka University developed an ultra-small actuator with unparalleled sensitivity, fast on/off response, and nanometer-scale precision. The actuator uses a phase transition in vanadium oxide crystals to achieve high accuracy and speed, revolutionizing micro-robotics and advanced technologies.
Researchers at Osaka University used powerful lasers to recreate relativistic magnetic reconnection, a process responsible for X-ray emissions from black holes. This study may help explain the mysterious X-rays emitted by some celestial bodies.
A study published in PNAS identified an overlap between cytokine release syndrome and COVID-19, finding that IL-6 signaling blockade can alleviate symptoms of both conditions. By treating severe COVID-19 patients with a human monoclonal antibody-based drug called Actemra, PAI-1 levels rapidly declined and disease symptoms were alleviated.
Researchers at Osaka University have developed polymer materials that combine self-healing with strength and recyclability. The materials were produced using planetary ball-milling, a method that efficiently mixed host and guest polymers, resulting in tough, self-healable, and recyclable supramolecular materials.
A new study by Osaka University researchers reveals that an abnormality of the C9orf72 gene leads to toxic protein production and hinders the cell's ability to destroy defective RNA. This creates a vicious cycle that accelerates disease progression in FTLD/ALS, opening up avenues for potential therapy options.
The HEARTROID platform will assist the TTDD lab in validating device performance with pulsatile and anatomically precise 3D printed models, accelerating surgical device development. The partnership aims to create novel medical devices that enhance native biological functions.
A study published in Nature Communications found that reversing age-related changes in fat cells may help prevent the development of lifestyle diseases such as diabetes and fatty liver. The research team discovered that inhibiting autophagy in adipocytes can restore function and prevent metabolic disorders.
Researchers at Osaka University have discovered a new method to easily add lanthanide cubanes into an existing metallo-supramolecular framework. The team found that by soaking a crystal in a cubane-containing solution, the molecules become intercalated via a single-crystal-to-single-crystal transformation.
A study published in Annals of the Rheumatic Diseases identified a genetic variant associated with an increased risk of interstitial lung disease among Japanese rheumatoid arthritis patients. The variant, located in the RPA3 gene, is linked to fibrosis and triggers complications in RA patients.
Researchers discovered that low-concentration salt crystals can precipitate at nanoscales due to local density fluctuation, accelerating amyloid-β peptide aggregation. This process could provide a permanent solution for Alzheimer's disease treatment.
A new pathological grading system evaluates the therapeutic effect of neoadjuvant chemotherapy for metastatic lymph nodes in esophageal cancer patients. The system predicts recurrence and prognosis more accurately than conventional methods.
Researchers developed a novel three-dimensional imaging system that uses near-infrared light to diagnose cervical cancer faster and non-invasively than conventional methods. The system analyzes tissue biopsies in real-time without histopathological preparation, improving diagnosis accuracy and turnaround time.
A study by Osaka University researchers found that an asteroid of 100 km in diameter was disrupted 800 million years ago and caused a massive meteoroid impact, releasing approximately 30-60 times more material than the Chicxulub impact. This finding suggests that sporadic meteorite bombardment may have affected Earth's environment.
A study published in Neurology found that training with a brain-computer-interface can significantly reduce phantom-limb pain in amputees. After just three days of training, patients experienced a 30% reduction in pain intensity, and the effect lasted up to five days after training was complete.
Researchers from Osaka University found that adiponectin, a fat cell hormone, improves the efficacy of mesenchymal stem cell-based treatment for heart failure. The study showed that increasing adiponectin levels strengthens cardiac function following MSC therapy.
Scientists from Osaka University have reduced X-ray free-electron laser beam diameter to 6 nanometers, enabling precise imaging of single virus particles and ultrafast chemical processes. This advancement improves the accuracy of measurements closer to the atomic level than previously possible.
Studies from Osaka University revealed that Tet2 and Tet3 proteins play a crucial role in regulating B cell activity and preventing autoimmunity. By knocking out these proteins, researchers found increased serum levels of autoantibodies and organ damage in mice, highlighting the importance of epigenetic control in immune function.
A Japanese task force aims to identify genetic factors contributing to COVID-19 severity and develop an effective mucosal vaccine. By analyzing patient samples, the team hopes to uncover unique genetic susceptibilities associated with Japanese populations.
Researchers developed a vaccine targeting aged immune cells, which accumulated in fat tissues of obese individuals and caused chronic inflammation. Vaccination improved glucose metabolism, insulin resistance, and overall organ function in obese mice by removing senescent T cells.
Researchers developed a novel dietary silicon-based antioxidant agent that suppressed the development and progression of kidney failure and Parkinson's disease in rodents. The agent enabled the continuous production of an OH-eliminating molecule, significantly lowering oxidative stress and inflammation.
Researchers at Osaka University have developed a system that can virtually remove buildings, trees, or moving objects from real-time landscape simulations using deep learning and video game graphics engines. This technology may become standard for urban planning in busy areas with many distractions present, allowing for the visualizati...
Researchers at Osaka University have synthesized an easy-to-handle nano-cobalt phosphide catalyst that achieves efficient hydrogenation of nitriles to primary amines. The catalyst combines efficiency, cost-effectiveness, ease of handling, and reusability, offering numerous advantages in terms of cost and safety.
Researchers identify NELL2, a testicular protein that travels through the epididymis to mature sperm and enable fertilization. The discovery sheds light on male infertility and offers new avenues for diagnostic and therapeutic research.
A straightforward fabrication method has been introduced by researchers from Osaka University to improve the gas sensing performance of common ceramic coatings. The new method involves depositing a thin, porous titanium dioxide film onto a surface using spin coating, resulting in a significant increase in detection speed and accuracy.
A study published in PNAS reveals that collagen maturation controls the availability of PEDF, a secreted protein involved in multiple biological functions. Researchers found that PEDF selectively destroys developing vessels by binding to newly synthesized collagen.
Scientists at Osaka University have successfully demonstrated a quantum random walk using trapped ions, which may lead to new quantum simulations of biological systems. The technique relies on precise control of individual ions and can help resolve open questions in chemistry and biology.
A natural amino acid called arginine has been identified as a potential new treatment for polyglutamine diseases. The study found that arginine improved neurological symptoms in mice with polyQ diseases before and after symptom onset, suggesting its therapeutic potential.
Graphite exhibits stronger interplanar bond strength than previously believed, with an elastic constant of nearly 50 GPa, due to a short-range correlation effect selectively strengthening the potential energy surface. This discovery was made using a new ultrasonic measurement technique on defect-free monocrystalline graphite.
Osaka University researchers have developed a new method to create nanocellulose films with multiple axes of alignment using liquid-phase 3D-patterning. This technology has the potential to lead to affordable and energy-efficient optical materials, including smartphone displays.
Osaka University researchers have generated immortalized human eccrine sweat gland myoepithelial cells (iEM cells), which can be cultured for over ten generations. This achievement has the potential to develop next-generation antiperspirants and promote research on sweat dysfunction and regeneration.
DNA repair mechanisms choose between pathways to limit harmful chromosomal combinations that may be predisposed to cancer and genetic diseases. The study found Rad52-dependent single-strand annealing leads to gross chromosomal rearrangements at centromeres, while Rad51 promotes conservative non-crossover recombination.