A study published in Nature Geoscience elucidates the discrepancy between Martian and Earth-based organic matter. Researchers found that photodissociation of carbon dioxide in the atmosphere leads to organic matter with depleted carbon-13 content, pointing to an atmospheric process as the main source.
A new approach uses neural networks to automatically determine polynomial coefficients for digital pre-distortion (DPD) in RF-PAs, reducing hardware complexity and power efficiency. This method can correct non-linearities and support emerging standards without extensive real-time processing.
Researchers developed nanodots with single ferroelectric and ferromagnetic domains using multiferroic material BFCO, enabling energy-efficient writing and reading operations. The smaller nanodot showed a single-domain structure, while the larger one exhibited multi-domain vortex structures, demonstrating strong magnetoelectric coupling.
A team of researchers created a single negatively charged lead-vacancy center in diamond, which emits photons with specific frequencies not influenced by the crystal's vibrational energy. This characteristic makes the PbV center a promising building block for large-scale quantum networks.
Researchers developed Au-BiFeO3 nanocrystals with improved photocatalytic activity, achieving 98% methylene blue degradation efficiency. The nanoparticles' unique localized surface plasmon resonance and electron transfer mechanisms enhance their recyclability and stability.
Researchers have developed PaCS-Toolkit to facilitate accessible parallel cascade selection MD (PaCS-MD) simulations. The software package automates the simulation process via a single configuration file, allowing users to explore different conformations and investigate molecular interactions more efficiently.
Researchers at Tokyo Institute of Technology developed a new strategy to synthesize 3D π-extended carbohelicenes, overcoming molecular distortions and achieving CPL brightness of up to 513 M–1 cm–1. The study provides a solid groundwork for further research and development of high-performance carbohelicenes.
A study found that agastric fish lack specific genes required for gastric functions, such as slc26a9, kcne2, cldn18a, and vsig1. These findings suggest a genotypic convergence where gene losses correlate with stomach loss in various fish lineages.
A new defect-ordered layered halide perovskite was discovered, shedding light on how order can emerge through defects in hybrid organic–inorganic compounds. The compound's optical bandgap increased with the concentration of ordered defects in the lattice, presenting a new strategy for tuning perovskite properties.
A novel machine learning model has been developed to characterize material surfaces, accurately predicting key electronic properties. The model, which employs artificial neural networks and transfer learning, shows great promise for exploring new materials with superior properties.
Bismuth-containing Sillén oxyhalides exhibit exceptional oxide ion conductivity at lower temperatures, paving the way for more efficient solid oxide fuel cells. The materials' high conductivity and stability were achieved through triple fluorite-like layers with interstitial oxygen sites.
Researchers developed a Kerr-enhanced optical spring to boost the sensitivity of next-generation gravitational wave detectors. The new design successfully amplifies signals without increasing intracavity power, opening up new avenues for unraveling the universe's mysteries.
Researchers developed a novel hydrogen injection method using palladium to address contact issues of buried oxide thin film transistors. This method reduces contact resistance by two orders of magnitude and increases charge carrier mobility, enabling the application of amorphous oxide semiconductors in next-generation storage devices.
A team of researchers from Tokyo Institute of Technology identified the molecular mechanisms involved in synaptic communication using Drosophila. They found that Side-IV/Beat-IIb immunoglobulin superfamily protein molecules play a crucial role in inducing synapse formation and regulating preferential signaling among neuron pairs.
Researchers detect weak fluctuations in superconductivity and reveal a quantum critical point where quantum fluctuations are strongest. The discovery sheds light on the origin of an anomalous metallic state in magnetic fields.
A novel mixed light field technique was developed to achieve immersive augmented reality experiences in bright environments, preserving natural shadows and contrast. The approach utilizes ray-controlled lighting and a binary search algorithm to remove ambient lighting from PM targets.
Scientists developed a novel solvatochromic probe to study lipid membrane fluidity and its correlation with cellular functions. The new dye offers exceptional stability, low toxicity, and fluorescent properties, allowing real-time visualization of lipid membrane order during complex processes.
Scientists at Tokyo Institute of Technology discovered a method to generate three types of structural isomers in 3D-COFs, increasing their diversity and potential applications. The creation of these isomers allows for tunable properties such as density and pore size.
Researchers developed innovative Au@Cu7S4 yolk@shell nanocrystals capable of producing hydrogen when exposed to both visible and NIR light, achieving a peak quantum yield of 9.4% in the visible range and 7.3% in the NIR range for hydrogen production.
Researchers from Tokyo Institute of Technology developed an ultraviolet laser-processing technique for fabricating complex microstructures, enabling the creation of biohybrid actuators capable of complex, flexible movements. The method involves forming curved microgrooves on a substrate and aligning muscle cells in an anisotropic manne...
Researchers at Tokyo Institute of Technology developed a 300 GHz-band transmitter that solves issues with high-frequency electromagnetic waves and offers high data rates of up to 108 Gb/s. The proposed solution features a phased-array design, low power consumption, and area efficiency.
Scientists from Tokyo Tech propose two design techniques to minimize unwanted signals known as fractional spurs, which degrade phase noise in output of the PLL. The first technique uses a cascaded-fractional divider and achieves a -62.1dBc fractional spur, while the second technique employs a pseudo-differential DTC, resulting in an in...
Researchers develop electrochemical method to release hydrogen stored in hydrogen boride sheets, achieving high Faradaic efficiency. The process is expected to contribute to the development of safe and lightweight hydrogen carriers with low energy consumption.
Researchers have identified a CO-rich atmosphere on exoplanets that could support life. The study reveals a 'gap' in atmospheric conditions where CO levels are higher than expected, indicating potential habitability.
Researchers have identified two distinct brain regions involved in regulating salt and water intake, which can help prevent excessive consumption. The parabrachial nucleus plays a crucial role in feedback mechanisms that reduce thirst and salt appetite after ingesting water or salt.
A self-powered movable seawall system harnesses microtidal energy to generate electricity, protecting ports against tsunamis and providing emergency power. The system is feasible in 20 Japanese ports along the western coast, facing the Nankai Trough, which is prone to megathrust earthquakes and tsunamis.
A team from Tokyo Institute of Technology has developed a method to remotely monitor nuclear reactors using antineutrinos. The approach, published in the Journal of Nuclear Science and Technology, could help prevent the manufacturing of materials for nuclear weapons.
Researchers developed inverse-perovskite-based thermoelectric materials with low lattice thermal conductivity and high power factor, promising eco-friendly alternatives to toxic heavy element-based materials. The materials exhibit high energy conversion efficiency, comparable to toxic elements in the same temperature range.
Scientists have engineered a non-magnetic material called tantalum silicide to achieve efficient spin Hall effect at high temperatures through Berry phase monopole engineering. This breakthrough could lead to the development of ultrafast, low-power and high-temperature spintronic devices.
A team of researchers, led by Associate Professor Hiroyuki Fujioka from Tokyo Institute of Technology, investigated the feasibility of bound tetraneutron emission in thermal neutron-induced fission of Uranium-235. They found that the instrumental neutron activation method can be applied to address open questions in nuclear physics.
Researchers analyzed Aqp10s in eight bony vertebrate species to understand the evolutionary timeline of diminished boric acid and urea transportation. The study found that Aqp10.2 in ray-finned fishes restricts urea and boric acid passage, suggesting a loss of solute transport through evolution.
Researchers from Tokyo Institute of Technology developed a detailed understanding of microfluidic post-array devices, which are used to create monodisperse emulsions with controlled droplet size. The team found that effective capillary number and specific geometric parameters play crucial roles in droplet formation.
The study reveals a diverse landscape of software as a medical device (SaMD) with notable progress in artificial intelligence/machine learning-based devices, accounting for 22% of all FDA-approved SaMDs. Established companies focus on incremental innovations, while new entrants and start-ups drive disruptive innovation.
Scientists at Tokyo Tech developed self-folding polymers to create smaller, safer gadolinium-based contrast agents for cancer diagnosis and neutron capture radiotherapy. These nanosized complexes show enhanced tumor accumulation and penetration, reducing toxicity while increasing MRI performance.
A new study reveals a nonenzymatic chemical network that could have produced pentoses on early Earth, providing clues about primitive biochemistry. The proposed pathway relies on chemical transformations reminiscent of the pentose phosphate pathway, bringing us closer to understanding the emergence of life.
A team of researchers developed a hexagonal BaTiO3−xNy oxynitride catalyst with basicity comparable to that of superbases. The substitution of nitride ions and oxygen vacancies into face-sharing Ti2O9 dimer sites increases the electron density, resulting in a highly basic catalyst.
Researchers at Tokyo Institute of Technology have discovered a new strategy to enhance the conductivity and stability of perovskite-type proton conductors, overcoming the 'Norby gap' issue. Donor doping into materials with disordered intrinsic oxygen vacancies enables high proton conduction at intermediate and low temperatures.
Researchers at Tokyo Institute of Technology have discovered a new type of perovskite oxide with remarkable dual-ion conductivity, promising to revolutionize the development of solid-oxide fuel cells and proton ceramic fuel cells. The material's unique ion migration mechanisms, involving the formation of dimers and efficient proton mig...
Researchers developed an innovative bioengineering approach using genetically modified bacteria to incorporate protein cages around protein crystals. This method efficiently produces highly customized protein complexes for specialized applications. The resulting crystals have a core-shell structure with a cubic PhC core covered in five...
The study found that Ryugu and CIs share a common genetic heritage, but the asteroid's Cr isotopes exhibit anomalies that could be caused by water-driven processes. These anomalies are thought to have arisen from the physicochemical fractionation of presolar nanoparticles and secondary minerals.
A recent study published in the Journal of Cell Biology has made significant progress in understanding autophagy and lipid recycling. Researchers used yeast as a model organism to identify key players in the process, including Atg15, Pep4, and Prb1, and demonstrated that Pep4 and Prb1 activate Atg15 to break down phospholipid bilayers.
Researchers develop device capturing airborne droplets and aerosols while allowing light and sound transmission. The innovation offers a sustainable solution to preventing airborne infection without disrupting economic activities or daily face-to-face interactions.
Researchers from Tokyo Institute of Technology have successfully tested quantum annealing on a D-Wave 2000Q quantum computer for optimizing continuous-variable functions. The study found that QA can significantly outperform state-of-the-art classical algorithms, especially when the energy barrier is high.
Researchers developed a new catalyst using bismuth selenide, a topological insulator, to synthesize organoureas at room temperature with almost 100% yield. The catalyst's unique properties allow for stable surface states and recyclability.
Researchers from Tokyo Tech have developed an organic light-emitting diode (OLED) with a remarkable ultralow turn-on voltage of 1.47V for blue emission. The device uses upconversion mechanism to reduce applied voltage, enabling efficient blue OLED production.
Scientists have created a new class of solid-state phase change materials using sugar alcohols, which can store-and-release heat more efficiently. By confining these compounds in covalent organic framework crystals, the researchers were able to suppress supercooling and retrieve thermal energy at higher temperatures.
A new type of flexible neural electrode has been developed, which can accurately match the mechanical properties of brain tissue. The electrode was tested in epilepsy rat models, demonstrating accurate measurement of neural responses and stimulation of specific brain regions.
Researchers at Tokyo Institute of Technology have developed a new design strategy for creating mechanoresponsive materials with high thermal tolerance. The study identified two key factors that determine the thermal stability of these materials: radical-stabilization energy and Hammett constants.
Researchers at Tokyo Institute of Technology have discovered a new strategy to stabilize the α-phase of α-FAPbI3, a promising solar cell material. By introducing pseudo-halide ions like thiocyanate into its structure, the team has successfully stabilized the α-phase, reducing its transition temperature and increasing its energy band gap.
Researchers have observed the decay of two neutron-rich isotopes, oxygen-28 and oxygen-27, providing new insights into nuclear structure. The study's findings suggest that these isotopes do not exhibit a closed shell structure, challenging current theories and offering opportunities for further investigation.