Researchers at The University of Osaka developed a light-responsive adhesive that can selectively detach from an illuminated surface without residue. The adhesive can be reused after heating, demonstrating reversible interfacial switching
Biodegradable plastics can be made tougher and more break down at a controlled rate by adjusting the size of movable molecular crosslinks. This study uses a biodegradable polymer called polycaprolactone and upcycles an industrial by-product into a supramolecular material.
A nationwide study of over 100,000 children found certain fertility treatments, including ovulation induction, IUI, and IVF, are associated with an increased risk of Kawasaki disease before age 5. The study's findings highlight the need for further investigation into the mechanisms underlying Kawasaki disease.
A multiplexed quantum photonic interface has been demonstrated for neutral-atom quantum computers, enabling parallel photon delivery and detection from a neutral-atom array. The technology supports the scale-up to approximately 100 parallel channels and represents an important step toward networked quantum computers.
Researchers from the University of Osaka found that a protein associated with amyloidogenic light chain disease forms amyloid in areas of constrained geometry when subjected to shear stress. This study, published in FEBS Journal, suggests that mechanical pressure and chemical inhibitors may help dissolve amyloids.
Researchers at the University of Osaka developed novel chiral hole-transport materials that improve perovskite solar cells with strong chirality-induced spin selectivity. The materials showed spin polarization reaching about 60% and a power conversion efficiency of 20.64% in cells treated with the homochiral material.
A new MOF-coated catalyst creates a local reaction environment, concentrating CO2 near copper single-atom reaction sites and enhancing CO conversion. The catalyst produces CO at approximately five times the rate of pristine BaTiO3 under ultrasonic vibration.
Researchers at the University of Osaka found that pertussis-associated DNA in wastewater increased before reported cases, indicating a new early warning system for pertussis outbreaks. Wastewater surveillance has the advantage of capturing broader community-level trends, including mild or asymptomatic infections.
Researchers from the University of Osaka have developed a prediction framework that rapidly evaluates promising quantum materials without sacrificing accuracy. The framework enables the evaluation of optical losses using simplified theoretical expressions, making searches much more tractable.
A new navigation system for cyborg insects combines AI-based real-time terrain recognition with the cockroach's natural climbing ability, enabling faster and more efficient navigation. This approach allows the insects to traverse obstacles, climb walls, and cross holes with reduced detours and steering stimulation.
A team from the University of Osaka has created a new family of chiral semiconducting polymers that can generate highly spin-polarized electric currents. The polymers' unique molecular structure enhances the material's ability to selectively transmit electrons with a particular spin orientation, paving the way for future energy-efficie...
Researchers from the University of Osaka have found a rare type of immune cell that expands in supercentenarians, potentially helping protect against cancer and other age-related threats. The cells, known as CD4 CTLs, have been shown to be highly active and may help the body cope with persistent threats that increase with age.
Researchers from the University of Osaka developed an analytical tool called acoustic tweezers to investigate the mechanical properties of biopolymer condensates. The study found that changes in the natural movement of a droplet in solution can provide information on the stiffness of the droplet and the state of the molecules inside.
A team in Japan has created a propellor-shaped lipid mimic molecule that forms stable 'islands' in a 'sea' of lipid, achieving phase separation and high thermal stability. This new design principle can be used to engineer domains in artificial membrane materials for various applications.
Extracellular vesicles from liver cells can elicit a 'lipid counterstorm' that counters the effects of cytokine storms in mice. The treatment shows promise for treating inflammatory conditions such as sepsis, coagulopathy and colitis.
Scientists from the University of Osaka created an autonomous solid-state nanopore that can sense molecules, generate electrical signals, and retain memories of recent events. The device continuously changes its structure through chemical reactions, creating a dynamic sensing environment that responds to molecules passing through it.
Researchers found that Bofutsushosan reduced fibrosis in fat tissue and liver of mice with obesity, and identified herbal components with anti-fibrotic activity. The study suggests that Bofutsushosan may have benefits beyond weight control, providing a scientific basis for studying Kampo medicines.
A new mathematical approach using optics helps computers solve larger, more complex optimization problems by reducing computational demands. The framework can be applied to various real-world challenges, including facility placement and data clustering, with potential benefits for a carbon-neutral future.
Scientists at the University of Osaka have created a new technique to build blood supply systems for artificial tissues. They successfully fabricated tubular hydrogel structures with controlled lumen sizes and complex geometries, paving the way for creating vascular models that can investigate the development of fully synthetic tissues.
Researchers from the University of Osaka have found a way for cells to quickly reactivate gene expression after being stressed by heat. They discovered that the CLK1 protein is regulated by phosphorylation and dephosphorylation, which controls its localization to nuclear stress bodies.
A research team used a simple physical model to connect sublattice melting with cooperative and spatially heterogeneous ion transport, revealing a fundamental mechanism behind superionic conduction. The findings offer a unified explanation for this phenomenon, which could guide the design of next-generation solid-state batteries.
Scientists from the University of Osaka have created a technique that captures cell-by-cell diversity within tissues with unprecedented precision and stability. This method has the potential to provide new insights into disease research and treatment by analyzing changes in cell chemistry.
Researchers at the University of Osaka have developed a safe and sustainable sequential process for preparing Davis reagents using sunlight and molecular oxygen. The method produces meta-chloroperbenzoic acid (mCPBA) only as needed, greatly reducing risks associated with storing or handling bulk peracids.
Researchers from the University of Osaka found that antagonistic ties play a crucial role in shaping social maps in the brain, which are also reflected in patterns of brain activity. This study sheds light on how our brains organize complex relationships and rivalries.
Researchers at The University of Osaka used AI to evaluate characterization frameworks for molecular order in liquid water. They found that machine learning models can accurately capture key structural information, shedding light on the relationship between structural fluctuations and thermodynamic states of water.
A team from the University of Osaka has created a high-throughput platform to engineer versatile biosensors that can track lipid molecules in living cells. This method, called Cell surface Liposome Binding (CLiB) assay, uses yeast cells and fluorescence readouts to test protein variants' binding to lipids.
Scientists have discovered a new method to enable oxidative addition of aryl halides at group 13 elements using visible light. This breakthrough could lead to sustainable catalytic processes reducing the need for rare and expensive transition metals.
Researchers from the University of Osaka found that adding a sentence about limited donor compatibility increased donors' willingness to progress through pre-donation testing. This simple message resulted in a 7.3% increase in donor completion rates, offsetting nearly half of projected donor declines.
Scientists at The University of Osaka have created a multipath synergistic strategy to toughen elastomers by sequentially activating three energy dissipation pathways. This approach enhances the material's toughness while maintaining its elasticity, making it suitable for various applications such as tires, gloves, and adhesives.
Scientists from the University of Osaka have identified a previously unknown molecular mechanism linking mitochondrial morphology to innate immune activation. Abnormally long mitochondria can trigger the release of mitochondrial RNA into the cytosol, activating RNA-sensing proteins and leading to anti-tumor immunity.
A recent study in Japan found that direct survey questions can make negative attitudes toward the mass media appear stronger than they actually are. The study compared direct questioning with indirect questioning using a list experiment and found a significant gap of 15.4 percentage points in agreement rates.
Researchers from The University of Osaka have developed a method to reconstruct ancestral rhodopsins that can be produced and experimentally tested in bacteria. This innovation utilizes an insertions-deletions aware sequence reconstruction approach, enabling scientists to study the evolution of functional proteins.
Scientists at the University of Osaka developed a theoretical framework to explain the anomalously large magnetic susceptibility of organic radical fluids. They found that dynamic magnetic interactions during molecular collisions enhance the magnetic susceptibility, explaining the phenomenon beyond conventional theories.
A team of researchers from The University of Osaka has developed a new approach for depth reconstruction from defocus, estimating distances by analyzing blur in an image. Their method combines a coded-aperture camera with diffusion-model-based AI to accurately estimate depth and produce high-quality images.
Kirigami researchers create twisty structures for flexible robotic components and soft actuators, exploiting geometrical design to enable rotation under stretching. The unique mechanical properties of these kirigami materials offer new potential applications in robotics and engineering.
Scientists at The University of Osaka have successfully fabricated protein networks in living cells using a focused laser beam. The approach allows for non-invasive control over network formation and exhibits dynamic motions similar to those observed in living cells.
Researchers from The University of Osaka found that treatment with five mRNAs effectively promoted cardiac repair and extended survival in mice with heart failure. The study showed that simultaneous administration of five therapeutic mRNAs reduced heart tissue damage and improved heart function.
Researchers from The University of Osaka created a cobalt-based honeycomb structure that exhibits strong magnetic interactions and ferromagnetic-like behavior. This breakthrough may lead to lower-cost quantum computing materials using relatively cheap and widely available cobalt.
Researchers developed an Insect Synergy Circuit that integrates body movement and internal physiological information to guide insect navigation. The system achieved high accuracy in classifying environmental conditions, enabling gentle control over the insect's movements.
Researchers from The University of Osaka identified a unique genetic pattern in carcinoma cuniculatum, a rare type of oral cancer with slower growth and lower risk of spread. This discovery may lead to improved diagnosis and targeted treatment for this challenging-to-diagnose condition.
The study reveals that rats have a larger deep layer in their brains due to the prolonged expression of Wnt signaling genes, resulting in extended deep layer neuron production. This finding suggests that 'heterochrony' in neurogenesis is responsible for the interspecific diversity in the neuronal composition of the mammalian cortex.
Researchers from The University of Osaka discovered that only a small proportion of CD8 T cells undergo sustained clonal expansion in multiple myeloma immunotherapy, leading to the strongest anti-tumor response. Early immune activity could help predict which cells will become effective cancer fighters.
Researchers at The University of Osaka developed a strategy to make nanoparticle aggregates thermoplastic by introducing ions at interfaces. This allows for the creation of high-strength and low-expansion materials suitable for various applications. The study paves the way for diverse systems, including graphene oxide and cellulose nan...
Researchers at The University of Osaka create GaN surfaces with atomic-scale precision, demonstrating exceptional reproducibility and record-low stress scatter in mechanical testing. This breakthrough provides a new criterion for nanoscale mechanical testing that goes beyond conventional roughness-based evaluation.
A University of Osaka-led team developed a wastewater-based epidemiology approach to estimate influenza incidence, predicting community outbreaks about one week earlier than publicly available data. The method also enables separate estimation of influenza A and B trends, supporting more detailed monitoring of seasonal outbreaks.
Researchers from The University of Osaka have discovered a two-factor system that controls stem cell differentiation, involving the stabilization of the CoREST corepressor complex at gene promoters. This process prevents stem cells from drifting towards differentiation and maintaining their pluripotency.
The study demonstrates a significant improvement in red light emission from Eu-doped gallium nitride grown on a semipolar crystal plane. The approach selectively promotes the formation of highly efficient luminescent centers, resulting in brighter and more stable red LEDs for next-generation micro-LED displays.
High-speed particles bounce higher on wet walls due to a morphological transition in the post-collision liquid film, which shifts from a bridge to a dome shape. This phenomenon is crucial for predicting high-speed particle collisions and designing safer equipment.
A team of researchers at The University of Osaka has created a wireless EEG transmission system that can operate without external power sources. The system harnesses energy from the temperature difference between the human body and surrounding air, allowing it to function reliably even in hot summer conditions.
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.