The team successfully grew single-crystalline polar wurtzite NbAlN thin films on GaN substrates, preserving the wurtzite crystal structure and metal polarity. This discovery expands the options for designing carrier density in GaN heterostructures, offering a new family of transition-metal-containing polar nitride semiconductors.
Scientists from Tokyo University of Science developed a new strategy to create glassy plastics that are both stiff and tough. They achieved this by using a combination of a comb-shaped architecture and bulky counterions, resulting in materials that are approximately four times tougher and twice as stiff as conventional glassy polymers.
Researchers discovered a temperature-locking phenomenon in a bulk organic conductor, where Joule heating raises the sample temperature, giving rise to a resistive-switched state. The material exhibits an inverse Ohm's law, showing an unusual behavior where voltage and current are inversely proportional.
Researchers propose a new understanding of moral distress that links ethical awareness with clinician well-being, organizational culture, and patient care. The framework offers a clearer foundation for future research, suggesting that moral distress may sometimes be a sign of strong ethical awareness rather than personal weakness.
Researchers discovered that scandium doping and coating improve the durability and performance of sodium-ion batteries by stabilizing the crystal structure and suppressing side reactions. The study found that doping improves bulk stability while coating enhances surface stability, leading to improved capacity retention and long-term cy...
Researchers have uncovered a key mechanism explaining how allergic inflammation in the skin can progress to a body-wide allergic response. IL-13 acts on dendritic cells, enhancing their ability to present allergens and promoting immune responses that produce antibodies.
A study published in Scientific Reports found that watching comedy videos can help improve recognition of subtle positive facial expressions, particularly when inducing a positive mood. Individual differences in empathy and depressive symptoms also play a role in this improvement.
Researchers developed an inverse-design framework to optimize magnonic crystal design, identifying unconventional lattice structures with large band gaps. The approach enables the exploration of previously unexplored material systems and device dimensions, paving the way for high-speed spin-wave computing and energy-efficient devices
A study published in PLOS One reveals fluctuations in exclusionary nationalism in prewar Japan through changes in foreign place name writing. Notable turning points coincided with key political events, such as the appointment of a pro-international cooperation Foreign Minister and military coups.
Researchers at Tokyo University of Science found that accounting for the time scale of a target system improves ESN hyperparameter settings, leading to better prediction accuracy. The study provides guidelines for designing optimal ESN settings based on the time scale.
Researchers at Tokyo University of Science found that revealing visual elements sequentially and matching each element with the speaker's narration improves attention and learning. Participants in a cumulative presentation format showed higher test scores compared to whole-slide presentations.
Researchers develop annealable ferromagnetic icosahedral quasicrystals with unprecedented structural quality, revealing intrinsic magnetic properties and magnetic criticality. The discovery enables the first systematic investigations of quasiperiodic magnetism and magnetic criticality in QCs.
A new learning-based adaptive tuning method integrates chaotic search with particle swarm optimization to improve stability and solution quality in chaotic search algorithms. The approach consistently achieves better results than conventional methods, providing a practical means of enhancing the performance of chaotic search.
Researchers found that ROS-producing enzymes coordinate cell proliferation, tissue integrity, and differentiation in plants. The study used a liverwort model to examine the role of RBOHs in plant development, revealing their importance in maintaining normal cell shape and tissue organization.
Researchers observed quantum oscillations in YbB12 using ultrasonic measurements, revealing new insight into unusual quantum behavior. The findings suggest that sound waves interact more strongly with quasiparticles in the metallic phase.
Research explores role of short-chain fatty acids in regulating dendritic cell development and differentiation via epigenetic regulation. Study reveals butyrate increases expression of surface molecules, influencing immune-cell trafficking and localization.
A study from Tokyo University of Science found that public preferences for immigrants shift towards high-income individuals when their participation in the welfare system is highlighted. The researchers also discovered a joint interaction between concerns about welfare systems and job security on attitudes toward immigration.
Researchers developed a mathematical formula to estimate microplastic mass and size concentrations from limited data, enabling more efficient surveys. The new approach allows for the estimation of small microplastics often overlooked in field surveys, which can help track pollution sources and trends.
Researchers clarify microscopic origin of charge noise in silicon spin qubits, attributing it to electronic transitions between conduction band and trap states. Higher temperatures improve gate fidelity by reducing switching rates and transition times.
A novel asymmetric alloying method enables the creation of carbon-centered gold(I)-silver(I) chiral bicapped square antiprism polyhedral clusters, exhibiting phosphorescence and distinct chirality-dependent properties. The approach offers a new paradigm for precise alloying and stereocontrol of metal clusters.
Researchers at Tokyo University of Science engineered CYP107J1 enzyme from Bacillus subtilis into a more practical tool for selective oxidation chemistry. The modified enzyme showed 28-fold higher catalytic activity and successfully converted indole into indigo, a commercially important blue dye.
A recent study identified a new type of β-1,2-glucan-binding protein in bacteria, which binds cyclic β-1,2-glucans and has implications for understanding bacterial interactions with these complex molecules. The discovery opens up new avenues for developing biological pesticides to protect crops from pathogens.
A new method using rheo-impedance spectroscopy links slurry shear conditions to battery performance, enabling data-driven optimization and improved manufacturing efficiency. The study found an optimal 'sweet spot' in processing conditions that balances breaking up particle clusters with maintaining electrical pathways.
A team of researchers has developed a deep learning-based method called DeepAFM to analyze noisy atomic force microscopy (AFM) images and infer protein states. The method produces accurate results, even with background noise and scanning distortions.
Researchers have developed a novel method to generate diazo compounds without toxic precursors, enabling efficient synthesis of valuable intermediates for chemical and pharmaceutical applications. The phosphine-mediated Michael addition reaction produces β-heteroatom-substituted diazo esters under mild conditions.
Researchers developed a machine learning approach to analyze Fermi surface images, identifying compositions with significant changes and nodal lines. The method accurately detects outliers, enabling efficient screening of large datasets for desirable electronic properties.
Researchers at Tokyo University of Science demonstrated a method for manipulating metallic chiral nanoparticles using circularly polarized light. By confining light to an evanescent field near the surface of ultra-thin optical fibers, they selectively transported left- and right-handed particles based on their chirality.
Researchers developed a heat-tolerant cutinase enzyme that combines structural rigidity with flexibility, enabling efficient degradation of PET at high temperatures. This discovery provides new insights into designing enzymes for sustainable plastic recycling and addresses the pressing issue of plastic waste.
Researchers developed a computational model that helps identify the origin of complex magnetization reversal in soft magnets, revealing key features such as PC1 and four critical energy barriers. The study offers a general strategy for examining complex energy landscapes in magnetic systems.
By striking a gold nanorod off-center with an electron beam, researchers created rotating circular polarization in light, a property useful for controlling information encoding and transmission. This simple approach could enable new ways to encode, route, and process information using light.
HeapGrasp uses RGB images to analyze object silhouettes and estimate its 3D shape, reducing the need for depth information. The approach achieves high accuracy while minimizing camera movement and execution time.
Researchers developed a laboratory mouse model closely mirroring TCF3::HLF-positive B-ALL and found an inflammatory feedback loop linking leukemia progression and bone destruction. Blocking IL-1β action slowed leukemia growth and reduced bone damage, suggesting new cancer treatments.
Researchers investigated temperature-dependent sex determination in leopard geckos, finding that temperature influences sex development during a specific window of embryonic development. Early genetic changes, including the activation of male and female developmental pathways, occur before physical differences become apparent.
Researchers develop world's first DNA aptamer that binds to neurofilament light chain, a protein released into the blood with neurodegeneration. The aptamer, MN711, shows high affinity and specificity comparable to commercially available antibodies.
Scientists create fluorescent nanoplastics that resemble real-world plastics in morphology, enabling real-time tracking and studying chronic exposure effects. The study reveals that smaller particles retain longer in the body, highlighting the need for further research on health risks due to microplastic ingestion.
A recent study has shed light on the processes that drive mitochondrial uptake and its benefits for cells. Isolated mitochondria were found to be taken up by mesenchymal stromal cells, enhancing proliferation and cytoprotection, and improving energy metabolism.
Researchers analyzed Ryugu asteroid samples to understand magnetic field evolution in early solar system. The study found that 23 of 28 samples exhibited stable NRM components, providing critical information on the spatiotemporal evolution of magnetic fields.
Researchers have developed a printable enzyme ink that simplifies the mass production of enzymatic biofuel cells, paving the way for self-powered wearable sensors. The ink enables the creation of high-performance electrodes with minimal decay, suitable for real-world monitoring applications.
Researchers discovered that pairing familiar plant-derived compounds can suppress inflammatory signals more effectively than using each compound independently. The study found that certain combinations increased the anti-inflammatory effect several hundred-fold compared to single ingredients alone.
Researchers investigated the binding thermodynamics of doxepin geometric isomers to the histamine H1 receptor, revealing differences in enthalpy and entropy contributions. The study highlights the importance of considering conformational constraints in designing ligands with optimized thermodynamic properties.
The study reveals that redefining the concept of electrode-electrolyte interphase layers can improve battery stability and performance. Researchers found that careful control of interphase properties through materials choice, electrolyte formulation, and binder selection can significantly extend battery life.
A new study by Tokyo University of Science found that floods are the biggest drivers of plastic pollution in rivers, increasing microplastic and mesoplastic concentrations by orders of magnitude. The research highlights the need to include high-flow events when assessing plastic emissions.
Researchers discovered that only observing the flow down to a specific scale is enough to reconstruct the full motion of fluid in two-dimensional turbulence, unlike three-dimensional systems. This finding has significant implications for modeling and prediction in atmospheric and ocean circulation.
Researchers have discovered that endophytic bacteria can coexist with plant cells without harming them, triggering the production of previously unattainable compounds. This method has the potential to expand the diversity of obtainable plant-derived compounds for various industries.
Researchers have discovered a new thermoelectric material, MoSi2, that can convert waste heat into electricity with high efficiency. The material's unique electronic structure and axis-dependent conduction polarity enable it to generate transverse thermopower, paving the way for efficient waste heat recovery systems.
Researchers developed a solvent-free method to enhance drug bioavailability by transitioning from solid to gas phase. The sealed heating (SH) method increases drug solubility without using organic solvents.
Researchers develop versatile molecular platform to synthesize multiple functionalized carbon nanohoops, exhibiting high circularly polarized luminescence and other advanced photophysical properties. The breakthrough method enables multi-site functionalization and creation of chiral nanohoops with remarkable optical performance.
Researchers developed bioengineered lymphatic tissue (CeLyT) that restored functional lymph nodes in mice with secondary lymphedema. CeLyTs improved lymphedema symptoms by restoring lymphatic flow, filtration capacity, and immune cell populations.
Researchers at Tokyo University of Science demonstrate matter-wave diffraction in a short-lived electron-positron atom, marking a major advancement in fundamental physics. The findings pave the way for new research using positronium and could enable sensitive tests of gravity.
Studies exploring the role of histamine H3R receptor in the brain found that specific amino acid mutations can increase constitutive activity while compromising stability. The research provides a foundation for a better understanding of brain diseases and the design of safer drugs.