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.
A team of researchers has identified the key stumbling block of a common solid-state hydrogen material, MgH2. The study, published in Journal of Materials Chemistry A, reveals that a 'burst effect' during dehydrogenation leads to sluggish kinetics, hindering commercial application.
Researchers discovered a new situation where vertical perception is compromised - when the body pitches and moves at the same time. In real-world experiments on Hong Kong's Peak Tram, they found that participants misjudged their perceived verticality by up to 10 degrees.
A team of astrophysicists has successfully measured a gamma-ray burst's hidden energy by utilizing light polarization. The total explosion energy was found to be about 3.5 times bigger than previous estimates, shedding new light on the progenitor star's masses and the evolutionary history of the universe.
Researchers have discovered emergent interfacial ferromagnetism in 2D antiferromagnet heterostructures, showing enhanced electric-field tunability. This breakthrough has exciting implications for exploring exotic magnetic phases and engineering novel spintronic devices.
Researchers have successfully detected terahertz waves with a fast response and high sensitivity at room temperature, using a graphene transistor. The breakthrough could have massive ramifications for spectroscopy, imaging, and future wireless technologies like 6G and 7G.
Rosin powder increases friction by over 20%, reducing variation in friction between participants and pitches. A wax-like sticky substance doubles this effect, potentially increasing ball spin rates. The study suggests MLB balls could be made less slippery for improved ball control.
A team from Tohoku University has developed an efficient synthesis of (-)-quinine, a key compound in malaria treatment, enabling further medication development. The new method uses organocatalyst-mediated reactions, reducing the number of steps and chemical waste.
Researchers have developed a scaled-up version of a probabilistic computer using stochastic spintronic devices, suitable for combinatorial optimization and machine learning. The new design combines conventional semiconductor chips with modified spintronic devices, achieving massive improvements in throughput and power consumption.
A new iPMA-type Hexa-technology in Magnetic Tunnel Junctions (MTJ) is showcased for improving ultra-low power consumption in IoT edge-devices and other applications. The 25 nm iPMA-type Hexa-MTJ technology satisfies BEOL design rules for X nm generation CMOS nodes, enabling seamless scaling.
Researchers discovered that spontaneous plasma waves help neutralize ions detaching from magnetic nozzles, reducing divergence of expanding plasma beams. This breakthrough opens a new perspective on instabilities in plasmas, potentially advancing magnetic nozzle radio frequency plasma thrusters.
A team of researchers from Tohoku University successfully demonstrated a tin sulfide (SnS) interface exhibiting large band bending, which is necessary for obtaining a higher open-circuit voltage. This breakthrough could lead to the development of highly efficient thin-film solar cells with environmentally friendly credentials.
A research team at Tohoku University developed a batteryless device that can detect COVID-19 particles in the air using magnetostrictive composite plates. The device operates without batteries and transmits signals wirelessly, making it suitable for integration with IoT technologies.
Researchers at Tohoku University have discovered a new type of energy-band echo associated with the ultrafast dynamics of optically driven quasiparticles in crystalline solids. This discovery enables all-optical momentum-resolved spectroscopy even in strongly correlated systems, revolutionizing quantum technology.
A new bulk copper-based alloy has demonstrated the largest tensile elastic strain at room temperature, exceeding 4.3%, thanks to reversible lattice strain in its BCC single phase structure. This material exhibits a low Young's modulus and high Poisson's ratio, making it highly elastic and strong.
Researchers at Tohoku University used fiber photometry to analyze astrocytes' activity and found an acid response linked to intensified epileptic seizures. This breakthrough may lead to new therapeutic strategies for epilepsy, stroke, trauma-induced brain injury, and memory enhancement in dementia treatment.