Researchers have developed a system that can capture the information in speech signals similar to how humans perceive speech. The method uses a matching pursuit algorithm and psychoacoustic principles to produce high-quality resynthesized speech signals with natural accents.
Japanese researchers use supercomputer simulations to determine stable ternary hydrides with room-temperature superconductivity. The study identifies potential candidates, including Y-Mg-H systems, and highlights the importance of hydrogen content in superconducting phenomena.
A team of researchers from Japan Advanced Institute of Science and Technology successfully detects thermally excited magnons in a yttrium iron garnet sample using a diamond-based quantum sensor. This breakthrough enables the detection of thermal magnon currents, opening doors to heat-controlled quantum devices.
Researchers from Japan Advanced Institute of Science and Technology have identified a new crystal structure for hydrogen at low temperatures near 0 K and high pressures. The team used supercomputer simulations and data science to generate several candidate patterns, which were then validated through high-resolution simulations.
Researchers at Japan Advanced Institute of Science and Technology have developed a novel method to fabricate diamond probes with controlled shape and higher sensitivity. These probes enabled the imaging of periodic magnetic domain structures in ferromagnets, showing promise for quantum applications.
Researchers at JAIST have demonstrated a high thermal rectification ratio on suspended asymmetric graphene nanomesh devices at low temperatures. The device shows promise for developing a high-efficiency thermal rectifier based on graphene nanomesh structure.
Researchers at Japan Advanced Institute of Science and Technology develop a novel strategy to quickly separate intact lysosomes with high purity using magnetic-plasmonic hybrid nanoparticles. The technique allows for rapid extraction of lysosomes from cells, reducing the time required compared to existing methods.
Scientists developed a breakthrough fabrication process for microneedle arrays capable of administering protein-based drugs without damaging the skin. The microneedles offer several advantages, including being painless and easy to dispose of.
A study by researchers at JAIST found that adding score-based incentives for quick answers led to higher learning gains, while varying difficulty levels boosted the thrill factor. Gamification strategies improved classroom activity, but exceeded a certain threshold, students felt disengaged.
Researchers at Japan Advanced Institute of Science and Technology developed a graphene sensor that detects electric fields with improved efficiency and reduced size. The mechanism involves the transfer of charges between graphene and traps, allowing for the detection of field polarity and magnitude.
Scientists at Japan Advanced Institute of Science and Technology developed a novel method to create liquid metal nanoparticles using biomolecules and quantum beam radiation. The resulting nanoparticles exhibited unique structural and physicochemical traits, enabling NIR bioimaging and photothermal activation for cancer treatment.
Researchers at Japan Advanced Institute of Science and Technology have developed a promising anode material for lithium-ion batteries that can enable extremely fast charging. The material, made from a bio-based polymer, showed enhanced lithium-ion kinetics and durability, retaining up to 90% of its capacity after 3,000 charge-discharge...
Researchers identified a new crystal structure of hydrogen compounds that shows promise for high-temperature superconductivity. The discovery uses theoretical simulations to find potential candidates among ternary hydrides, which could lead to low-cost superconductive technology.
Researchers at Japan Advanced Institute of Science and Technology create method to estimate five-room acoustic parameters and speech transmission index using a short conversation, with potential applications in monitoring auditoriums during concerts and saving lives through smart speakers
A new computational method allows for highly accurate simulation of hydrogen storage in silicon-carbide nanotubes, which is crucial for achieving the UN's net zero emissions target. The method corrects limitations of conventional predictions by incorporating van der Waals forces.
The Japan Advanced Institute of Science and Technology has developed a 'lab-free, lab-quality' testing method for RNA viruses called RICCA, which can detect low copy numbers of virus RNA directly from saliva without laboratory processing. This method has the potential to decentralize COVID-19 molecular diagnosis in developing countries.
Researchers developed a novel evidence-based material recommender system that predicts high entropy alloy formation without data descriptors, overcomes data bias and poor availability. The method recommends an FeMnCoNi alloy as the most probable HEA and successfully synthesizes it, confirming its validity.
Researchers monitored dislocations in silicene sheets after adding silicon atoms, revealing a sequence of reactions that integrate Si atoms. The study could provide solutions to heal structural defects in similar materials.
Researchers at Japan Advanced Institute of Science and Technology developed a novel method to predict the optimal cation substitutions in lithium-ion batteries using first-principles calculations. The study reveals that nickel can be partially substituted with platinum and palladium to increase battery discharge capacity, while other e...
A team of researchers developed a method combining electron microscopy and Gaussian process regression to measure atomic displacements more accurately, achieving precision of 0.2%. The technique was tested on gold nanostructures, revealing strain distributions varying by shape.
Researchers have developed a novel strategy for tuning the light-emitting properties of covalent organic frameworks (COFs) by introducing small molecular groups into their pore walls. This allows COFs to be fine-tuned to emit light at various distinct frequencies within the RGB spectrum.
The team successfully synthesized Christmas-tree-shaped palladium nanostructures that enhance catalytic activity for AA electro-oxidation. Multiple sharp edges observed in the nanostructures improve electrocatalytic performance.
A team of researchers from Japan discovered that high COOH concentration facilitates internal proton transport while lower concentrations favor interfacial transport. The study may contribute to developing bio-conductive materials for biological devices and eco-friendly fuel cells.
Scientists at JAIST explored the connection between game-playing search tree algorithms and human decision-making, proposing two indicators - PPN and SCN - to analyze potential future states. These findings have applications in AI, optimization problems, and entertainment analysis.
Scientists at Japan Advanced Institute of Science and Technology create novel technique to probe monoatomic chain bonds using transmission electron microscopy and quartz length-extension resonator. They successfully measure the strength of individual Pt bonds and observe the formation and breaking of monoatomic Pt chains in real-time.
Researchers from JAIST have synthesized high-performance BioNylons using itaconic acid and amino acids, which degrade under the pepsin enzyme found in mammal stomachs. These novel materials show improved thermal/mechanical performances compared to conventional nylons.
Researchers at Japan Advanced Institute of Science and Technology have developed a model to understand the brain mechanisms behind video game addiction. They found that games can be designed to promote healthy engagement, while also addressing addictive behavior.
Scientists from Japan Advanced Institute of Science and Technology have successfully developed a new humidity measurement technique for anion conducting polymer thin films. The study revealed high hydroxide ion conductivity of 0.05 S cm^-1, comparable to thick membrane forms.
Researchers create a novel actuator driven by genetically modified biomolecular motors that can be printed using existing 3D techniques. The artificial muscle mimics natural muscle fibers, allowing for contraction and amplification of force from a molecular scale to millimeter one.
A novel auditory perception model simulates human ear dynamics to capture time dynamics of dimensional emotions. Neural networks then extract features that reflect this time dynamics, showing better emotion recognition performance than traditional acoustic-based features.
A new study proposes a deep learning-based model for cross-lingual voice conversion with controllable speaker individuality, improving over previous models' drawbacks. The model applies language embedding and F0 modeling with control over the fundamental frequency contour.
Researchers at Japan Advanced Institute of Science and Technology discover a phenomenon called photoexpansion in hard plastic films, which exhibits convex deformation under UV light due to cis isomerization. The study reveals the unique deformation mechanism of bio-based polycinnamate films, offering potential for precise control of ph...
Scientists develop a quantum annealing framework to solve the long-standing problem of ion diffusion in solids. The approach shows promising results, especially when compared to other computational techniques, and could expand materials science.
Scientists develop a statistical randomness-based framework to optimally classify extremely large datasets. By analyzing the variance of sample sizes, they can identify the total number of attributes needed, providing a promising solution for high-performance computing and machine learning.
Scientists have developed a new method to reduce error in atomic force evaluation, expanding the scope of the quantum Monte Carlo framework. This breakthrough enables accurate prediction of atomic properties in materials, particularly those with unusual electronic and magnetic properties.
Researchers at Japan Advanced Institute of Science and Technology developed a novel binder material that protects graphite anodes from degradation, leading to improved battery performance. The new binder outperforms traditional PVDF in terms of mechanical stability, conductivity, and resistance.
Scientists at JAIST have created a photosynthetic bacteria-based cancer optotheranostics, using NIR light-driven PPSB as an effective theranostic material for deep tumor treatments. The approach offers high tumor specificity, non-pathogenicity, and multifunctional capabilities without genetic manipulations or chemical functionalizations.
Researchers at JAIST and RIKEN identify COOH-PLL as an effective cryoprotectant that prevents cellular damage during freezing. The team uses NMR spectroscopy to characterize the molecule's behavior, enabling the design of new polymeric cryoprotectants.
Researchers from Japan Advanced Institute of Science and Technology create self-repairing polymer to stabilize silicon anode capacity, paving way for more durable Li-ion batteries. The coating prevents SEI formation and enhances stability, allowing for improved performance over 300 cycles.
Researchers from Japan Advanced Institute of Science and Technology have developed a protocol that combines random sampling, high-throughput experimentation, and data science to identify synergistic catalyst combinations. The study identified 51 out of 300 catalysts as effective in the oxidative coupling of methane reaction.
Researchers developed low-cost artificial robotic skin with vision-guided sensing, enabling large-scale tactile sensing technology. The system can process tactile information and determine contact force and geometry.
Researchers from Japan Advanced Institute of Science and Technology have successfully created 2D Si-Ge alloys with adjustable electronic properties. By adjusting the composition of these materials, they can fine-tune their band structure to suit various applications, opening doors for new electronics innovations.
A study by Japan Advanced Institute of Science and Technology reveals that bone-conducted (BC) speech transmission affects perception similarly to air-conducted speech. The team found that RT vibrations support frequencies up to 1 KHz, while EC pressure accentuates frequencies in the 2-3 KHz range.
Scientists investigate the structural stability, electronic states, and transformation of crystal phases of a recently identified polymorph of gallium selenide monolayer. The study reveals that the new phase is metastable, with stability reversing upon applying tensile strain, and large energy barriers for phase transitions.
Researchers confirm flat band behavior in germanium's 2D 'bitriangular' lattice, a structure with potential for exotic states of matter like ferromagnetism and superconductivity. The discovery confirms earlier theoretical predictions and opens up new possibilities for materials design.
Researchers at JAIST have developed a new method to create water-soluble polyimides with high thermoresistance, featuring high transparency and tunable mechanical strength. The biopolyimides were synthesized using bio-based resources and treated with alkaline metal hydroxide to yield water-soluble salts.
Researchers at JAIST and U-Tokyo successfully developed a thermodegradable aromatic polymer with the highest heat resistance of all reported plastics, using cellulosic biomass as feedstock. The plastic exhibits superior thermostability over 740°C and is lightweight, making it suitable for circular economy applications.
Scientists at Japan Advanced Institute of Science and Technology developed a novel approach to quantify the psychological appeal of games. They found that the value of 'gravity in the mind' changed over time, reflecting cultural tendencies and historical trends.
Researchers create an artificial C-to-U conversion system using APOBEC1, allowing for the restoration of mutated genes and potentially treating genetic disorders. The system was tested on blue fluorescent protein (BFP) RNA with a 199T>C mutation, showing high editing efficiency.
Scientists at Japan Advanced Institute of Science and Technology developed a novel chemotherapeutic agent using nanotechnology and genetic engineering. The agent, called photothermogenetics, targets cancer cells with high potential and effectively regulates cancer stemness.