Researchers at Tohoku University found that the geomagnetic field plays a crucial role in protecting the Earth's lower atmosphere from harmful effects of electron precipitation. The study reveals that the mirror force caused by the magnetic field deflects relativistic electrons upwards, reducing their impact on the ionosphere.
Researchers at Tohoku University have developed a new cipher system called SCARF, which enhances computer security by protecting against cache side-channel attacks. The innovative system offers exceptional performance and can complete randomization with only half the latency of existing techniques.
A collaborative research team created an experimental platform to control the atomic-level structure of high-entropy alloy surfaces and test their catalytic properties. Their study found that the surfaces performed better in oxygen reduction reactions compared to other materials, indicating a 'pseudo-core-shell-like structure' contribu...
Dual-atom catalysts (DACs) face challenges in converting carbon dioxide into multicarbon products due to C-C coupling difficulties. Researchers at Tohoku University uncovered the causes of this failure through advanced theoretical calculations.
Scientists from Tohoku University propose a new hypothesis explaining the emergence of endemic species on the Miyako Islands. A land area between Okinawa and Miyako existed as a transit site for biological migration, suggesting that the island chain's unique species evolved after being uplifted 400,000 years ago.
Researchers discovered lactate's role in helping neural stem cells develop into specialized neurons. Lactate sends signals to cells, modifying and strengthening neuronal functions. The study provides insight into lactate signaling in the nervous system, with potential applications for preventing or controlling cognitive diseases.
Research suggests that larger cosmic dust aggregates are less likely to stick together after collisions. This limits the growth of planetary building blocks, complicating the process of planet formation. Simulations reveal that size is a critical factor in determining sticking probability, with larger aggregates more prone to bouncing.
A survey of 1,000 Japanese respondents found that people's attitudes towards lethal wildlife management (LWM) were more species-specific than previously thought. Largemouth basses, crows, and wild boars were deemed most acceptable for LWM, while carp, parrots, and monkeys were considered the least acceptable. The study also revealed no...
Researchers at Tohoku University have developed a promising new material, niobium telluride (NbTe4), for phase change memory technology. The material exhibits an ultra-low melting point of approximately 447°C and high thermal stability, making it ideal for applications in the automotive industry.
Scientists have discovered that older subduction zones store more water than younger ones. This discovery has significant implications for our understanding of tectonic settings and mass recycling.
Scientists verify that amorphous materials can host unique topological properties, applicable to sensing technology and IoT development. They successfully demonstrated the anomalous Hall effect and Nernst effect in iron-tin amorphous thin films.
Researchers have discovered the reaction pathway of urea molecules after ionization, providing insight into the formation of life on Earth. The study uses X-ray spectroscopy to investigate chemical reactions in liquids at the femtosecond level, enabling scientists to observe molecular processes in real time.
Researchers have identified and fabricated a new electrocatalyst using theoretical predictions, significantly improving the oxygen evolution reaction. The discovery uses cerium-doped cobalt oxide to achieve an overpotential of only 261 mV at 10 mA cm−2, outperforming individual cobalt oxide.
A new energy-generating device harnesses vibrations to produce electricity, providing an efficient means for self-powered sensors. The device maintains high performance even after being bent over 100,000 times, outperforming other similar materials in terms of energy output density.
A research group from Tohoku University has made a breakthrough in developing a palladium-based metamagnetic shape memory alloy that exhibits low energy loss, even at low temperatures. The new alloy significantly reduces energy loss compared to existing materials, making it suitable for applications such as magnetic sensors and actuators.
A new material with enormous magnetoresistance has been discovered, enabling the development of more efficient non-volatile magnetoresistive memory (MRAM) devices. The material, a cobalt-manganese alloy with metastable body-centered cubic crystal structure, exhibits high magnetoresistance ratios at room temperature and near-zero kelvin.
Researchers have investigated the impact of eddies on the Indonesian Throughflow, a vital current that transports warm waters between the Pacific and Indian Oceans. The study found large flow fluctuations in certain areas, leading to significant changes in seawater temperature and circulation patterns.
Researchers introduced a next-generation model membrane electrode with ordered array of hollow giant carbon nanotubes, unlocking new possibilities for energy storage and electrochemical studies. The conformally carbon-coated layer exhibits vertically aligned gCNTs with nanopores ranging from 10 to 200 nm in diameter.
Scientists at Tohoku University discovered a novel approach to enhance the efficacy of immune checkpoint blockade and minimize associated side effects. Targeting tumor-positive lymph nodes with ICIs generates a robust anti-tumor response against local and systemic metastases.
Researchers at Tohoku University have developed a technique to micro/nanofabricate silicon nitride thin devices using a femtosecond laser. The method enables precise machining and contaminant removal, opening doors for non-destructive cleaning of high-purity graphene. By applying this method to an ultra-thin atomic layer of graphene, t...
A team at Tohoku University has created a prototype calcium metal rechargeable battery that can handle 500 cycles of charging and discharging. The breakthrough employs a copper sulfide-based cathode and hydride-type electrolyte, demonstrating high stability and performance.
Researchers developed a neural device that detects specific neurotransmitters in the brain, enabling new brain research methods for prevention and treatment of diseases. The device combines multifunctional fibers and DNA molecular probes, providing high sensitivity and selectivity.
Researchers developed a new surface coating technology that significantly increases electron emission in materials, improving production of high-efficiency electron sources. This breakthrough is expected to enhance performances in electron microscopes and synchrotron radiation facilities.
Scientists at Tohoku University found that boric acid catalyzes polypeptide synthesis under neutral and acidic conditions, producing up to 39 monomer-long glycine polypeptides. This discovery challenges previous studies suggesting neutral conditions hinder peptide synthesis.
Researchers at Tohoku University have developed a zinc-air battery with an open circuit voltage of over 2V, overcoming the major bottleneck for metal-air batteries. By arranging acidic/alkaline electrolytes in tandem, they were able to generate a higher voltage and improve output power density.
Scientists discovered that electrical signals in Laccaria bicolor mushrooms increased after rainfall, demonstrating signal transport among closely spaced mushrooms. The post-rain electric potential showed directionality and strengthened connectivity between spatially close fungi.
Researchers investigated Hardy nonlocality using quantum computers, discovering increased success probability as the number of particles grows. This challenges classical theories and has implications for quantum mechanics and communications.
A research group from Tohoku University successfully develops a dealloying bonding technology that forms a strong mechanical bond between iron and magnesium. This breakthrough enables the creation of new lightweight materials with reduced environmental impact, potentially transforming the transportation industry.
Researchers at Tohoku University developed a method for creating molecular robots using artificial multicellular-like bodies made of phospholipids and synthetic surfactants. The technique allows for the assembly of micron-sized compartments that can combine to form heterogeneous structures with multiple functionalities.
Researchers found that a neuropeptide called GLWamide regulates feeding in jellyfish, while myoinhibitory peptide (MIP) does the same in fruit flies. The discovery highlights the deep evolutionary origins of a conserved satiety signal.
Researchers found that embracing early, less severe preventative measures can slow disease spread and lessen economic impact. Physics-based analysis revealed that small but steady countermeasures are more effective than strict measures in limiting health damage and economic loss.
Scientists at Tohoku University identified regulatory mechanisms in plants that utilize nitrogenous fertilizers, suggesting potential ways to generate crops with reduced fertilizer needs. The study focused on thale cress and aims to apply its findings to major crop plants like rice and cereals.
The study used LED imaging to visualize droplet spreading during dental procedures and found that extra-oral and intra-oral suction devices reduced droplet and aerosol spread by 97.8% and 92.1%, respectively. Understanding the dynamics of aerosols and droplets is crucial for preventing infectious diseases like COVID-19.
A team of researchers at Tohoku University has uncovered the biological mechanisms of ferroptosis, a type of cell death triggered by iron and lipid peroxidation. The study reveals that lipid peroxides accumulate at the plasma membrane, leading to increased tension and permeability to cations.
Researchers at Tohoku University discovered that the KAI2-ligand hormone initiates and terminates asexual reproduction in liverwort plants based on environmental factors. The team found that gemma formation starts from the inner region of the gemma cup and moves out to the periphery.
Researchers at Tohoku University used cryo-electron microscopy to determine the high-resolution 3D structure of human SPCA1a, a protein pump involved in calcium and manganese ion transport. The study provided insights into how the protein works and how mutations can cause Hailey-Hailey disease and other neurodegenerative disorders.
A research team has made critical achievements in antiferromagnetic spintronics, revealing emerging frontier distinguished by coherent spin dynamics. Key findings include spin generation and transport, electrically driven spin rotation, and ultrafast spintronic effects.
Researchers have discovered how TKI cancer drugs cause inflammation, linking it to mitochondrial dysfunction and the NLRP3 inflammasome. The study found that all tested TKIs share a common off-target activity against mitochondrial SFKs.
A team of dermatologists developed an AI model to detect complications from bacterial or viral infections in atopic dermatitis patients. The model distinguishes between eczema and skin lesions caused by blood cancer, improving patient management and health outcomes.
Scientists have demonstrated a breakthrough in manipulating magnetic materials without using magnetic fields, paving the way for ultra-fast and energy-efficient memories. The researchers achieved sub-picosecond magnetization reversal in rare-earth-free spintronic structures, expanding the bandwidth of common devices.
A Tohoku University study found that soft gingiva is more likely to cause inflammation, hindering the development of collagen fibers. This discovery has implications for the development of advanced biomaterials and microdevices to control local inflammation.
A team of researchers at Tohoku University has developed an artificial intelligence-driven contact control system to minimize friction between moving parts in machinery, aiming to reduce wear and tear and extend lifespan.
Researchers at Tohoku University found that astrocytes exhibit a stronger acid response during REM sleep in epileptic mice, which may drive specific information processing and generating plasticity. This discovery could lead to the development of a biomarker for epilepsy severity and potentially inform therapeutic strategies.
Researchers at Tohoku University analyzed samples from Japan's Hayabusa2 spacecraft and identified what they believe may be the oldest solids from the solar system. The grains were likely transported outward from the inner regions of the early solar system to their current location in the outer reaches.
Researchers at Tohoku University developed a novel one-pot reaction to form amide bonds with high yields and minimal equipment requirements. The DMAPO/Boc2O-mediated system produces amides from less reactive nitrogen-containing heterocyclic compounds and carboxylic acids.
Researchers at Tohoku University developed flexible polymer-based actuatable fibers with integrated shape-memory alloy wires and biochemical sensing composite materials. The technology enables high-precision operations, closed-loop control, and diagnostic capabilities for soft robotic fields and minimally invasive surgical tools.
A team of international researchers has developed a novel Co-N-C catalyst for electrochemical hydrogen peroxide synthesis. Their work offers a promising solution to produce H2O2 efficiently and sustainably. The study demonstrates the power of theory-guided research in accelerating the discovery of efficient electrocatalysts.
Researchers at Tohoku University developed a new acoustic waveguide based on topology to minimize energy consumption in electronic devices. The team created a topological waveguide that minimizes energy loss and allows for unique wave manipulation.
Researchers at Tohoku University developed a microelectronic fiber that can analyze electrolytes and metabolites in sweat, enabling wearable bioelectronics for monitoring biochemical signatures. The breakthrough smart fabric has the potential to provide greater versatility in functions, larger sensing areas, and greater comfort.
Researchers discovered that correlated rattling atomic chains can suppress thermal conductivity in thermoelectric materials, a mechanism that can aid in producing high-performance materials. The study provides new guidelines for engineering improved thermoelectric materials with lower thermal conductivity.