Researchers at Tohoku University identified two new types of microRNA that improved hyperglycemia in a mouse model of diabetes. These miRNAs were shown to promote insulin-producing cell proliferation and regeneration, offering potential for therapeutic beta-cell regenerative therapies.
Researchers at Tohoku University found that a mutant strain of fruit fly lacks the scribbler gene, rendering them unable to copulate. This impairment parallels the neural control of copulation in humans, where BMP signaling and serotonin regulation are crucial for sexual activity.
Researchers at Tohoku University developed a Processing Speed Training Game (PSTG) that significantly improved processing speed and inhibition among healthy older adults. Regular playing of PSTG also reduced depressive moods compared to a Knowledge Quiz Training Game (KQTG).
Researchers developed an artificial neural network using spintronic devices, demonstrating associative memory operation with learning ability, similar to human brain. The technology enables fast-processing capabilities and ultralow-power consumption, opening new horizons in AI technology.
Researchers found that vitamin B3 nicotinamide can relieve preeclampsia symptoms, improve blood vessel damage, and even stimulate fetal growth in affected mothers. The treatment has shown promise as a potential alternative to delivery for pregnant women with the deadly disease.
Researchers simulate 2D glass using supercomputers, revealing it can exhibit enhanced thermal vibration motion leading to infinite softening. This finding has potential applications in energy-saving societies.
Researchers found that young paternal fathers produced offspring with impaired vocal communication, while older fathers resulted in hyperlocomotion. The study provides insight into the potential mechanisms underlying the rise of these disorders.
A team at Tohoku University found that when a cluster of neon atoms is exposed to intense extreme ultraviolet light, it initiates a cascading process that produces many low-energy electrons. This mechanism could have implications for future radiation therapy.
A study by Tohoku University found that air pollutants cause hypersensitivity to itch, leading to skin inflammation and allergic diseases like asthma. The research team discovered that AhR, a transcription factor activated by air pollutants, causes itchy sensations through the expression of neurotrophic factor artemin.
Researchers at Tohoku University found that visual attention has multiple functions and stages, including early visual processing and selective extraction of information. The study proposes a model of spatial attention that can predict different attention effects for various visual processes, which is useful for complex tasks like driv...
Researchers at Tohoku University have discovered a potential link between Alzheimer's disease and insulin signaling dysfunction. The study suggests that memantine, an Alzheimer's treatment, can improve cognitive function by inhibiting the ATP-sensitive potassium channel (Kir6.2 channel), leading to better memory retention in patients.
Astronomers have detected a 'hot molecular core,' a cocoon of molecules surrounding a newborn massive star, for the first time outside our Galaxy. This discovery reveals significantly different chemical compositions compared to similar objects in our own Galaxy, suggesting potential difficulties in producing large organic species.
Research at Tohoku University reveals genetic variants affecting enzymatic activities in healthy individuals, suggesting that moderate and rare variants contribute to metabolic differences and disease susceptibility. The study identifies five associations between metabolites and gene variants, including four related to metabolic diseases.
Researchers at Tohoku University have developed a new technique for compressing Galois field arithmetic operations, resulting in the world's most efficient AES cryptographic processing circuit. This breakthrough enables the use of encryption technology in IoT devices with tight energy constraints, enhancing safety and security.
A new analytical tool for detecting double-stranded RNA (dsRNA) has been developed, exhibiting sequence-selective fluorescence upon binding. This probe offers a significant improvement over conventional methods by allowing single-base pair resolution and preferential binding to dsRNA over dsDNA.
Researchers at Tohoku University have discovered that gold can be magnetized by applying heat. The non-equilibrium anomalous Hall effect (nAHE) was observed in the gold film due to the heat flow, indicating the evolution of magnetization. This discovery has potential applications in thermoelectric devices and spintronics.
Researchers at Tohoku University discovered a new shape memory alloy with superelastic effect, raising potential for various industries. The alloy exhibits shape recovery upon heating, making it suitable for self-deployable space habitat frames and damping devices.
A new hypothesis proposes that soot ejected by the Chicxulub asteroid impact caused global cooling, drought, and limited photosynthesis in oceans. This rapid climate change is believed to have led to the mass extinction of dinosaurs and ammonites.
Researchers used X-ray free electron laser to study the effect of radiosensitizers on tumor cells. They found that energetic ions formed by ionization cause damage, leading to increased radiation sensitivity.
Researchers at Tohoku University have developed a new-structure nonvolatile magnetic memory device that achieves sub-nanosecond operation with minimal current consumption. The device overcomes limitations of existing nonvolatile memories and is expected to enable the creation of high-performance microcontroller units for IoT applications.
Researchers at Tohoku University have synthesized wafer-scale and high-yield suspended graphene nanoribbons using a bottom-up approach, enabling the integration of over 1 million ribbons with high yield.
Researchers developed a novel robot microscope system to track freely moving small animals and manipulate their brain activity. The system, called OSaCaBeN, uses projection mapping to reveal functional diversification of dopamine-releasing nerve cells in the nematode C. elegans.
Researchers at Tohoku University have discovered the origin and mechanism of ferromagnetism in Mn-doped GaAs, accelerating spintronic element development. The study reveals that doped Mn atoms extract electrons from As atoms, causing ferromagnetism.
Researchers from Tohoku University have developed a technology to stack magnetic tunnel junctions directly on vertical interconnect access, reducing the chip area of STT-MRAM and increasing memory bit yield. This breakthrough will significantly lower manufacturing costs, making STT-MRAM competitive with DRAM.
Scientists at Tohoku University found that discharge plasma increases calcium ion influx through TRP channels, triggering cell activities like gene transfection and wound healing. This breakthrough may contribute to developing more efficient plasma medicine treatments.
The researchers developed a new method to increase the aggressive intensity of cavitation without increasing power. By controlling pressure at the bubble collapse region, they were able to enhance cavitation efficiency by a factor of about 100.
Researchers measured precise binding energy of a 10ΛBe hypernucleus, finding small charge symmetry breaking for heavier hypernuclei. The study extends knowledge of the nuclear force to the baryonic force and has significant implications for hypernuclear studies.
A groundbreaking concept proposes using electron spins in semiconductors for information processing, enabling quantum computing and reducing energy consumption. The research team achieved long-distance spin transport in a semiconductor quantum well, controlling spin precession speed with an external gate voltage.
The team discovered a new plasma wave phenomenon leading to the development of a negative ion source for fusion plasma heating. The newly developed plasma source utilizes a helicon wave to produce high-temperature electrons, which are then neutralized and injected into the magnetically-confined plasma core.
A new-structure magnetic memory device utilizing spin-orbit-torque-induced magnetization switching has been successfully developed by Tohoku University researchers. The device boasts ultrafast magnetization reversal timescales and potential benefits for power-efficient integrated circuits.
Researchers at Tohoku University developed a new pretreatment method using sodium percarbonate and hydrodynamic cavitation to improve sugar formation in biomass. The method outperformed existing ultrasonic systems in producing fermentable sugars.
Researchers successfully control ultrafast electron motion using FERMI's light, achieving a time resolution of 3 attoseconds. This breakthrough enables the study of fast chemical reactions on the scale of attoseconds, shedding new light on processes like photosynthesis and combustion.
Insect taste organs on their legs help guide feeding behavior, with specific neurons processing information differently in the brain and influencing movement towards food or away from it.
Researchers at Tohoku University discovered a new physics of antiferromagnets, where an applied current induces magnetization switching in neighboring ferromagnets. The findings enable the development of ultralow-power integrated circuits and neuromorphic computing devices with fast and reliable control.
Electrons with 'no mass' in graphene become superconducting at 4 K, paving the way for ultrahigh-speed nano devices. The superconductivity is driven by electron transfer from calcium atoms to graphene sheets.
A new study reveals that prelinguistic infants (5-7 months) exhibit brain activity in response to color categories, indicating an innate ability to categorize colors. This finding suggests that color perception is independent of language and can develop independently of linguistic acquisition.
Researchers at Tohoku University found that omega-6 and omega-3 fatty acids play a crucial role in brain development. A balanced diet rich in fish can help prevent premature aging of fetal neural stem cells and improve brain function in children.
Researchers at Tohoku University successfully demonstrated electronic connection between graphene nanoribbons by molecular assembly, showing that GNR electronic properties are directly extended through the interconnected structures. This breakthrough enables the development of high-performance, low-power-consumption electronics based o...
A study by Tohoku University researchers has clarified how external driving forces, such as magnetic fields and electric currents, affect magnetic structures. The findings suggest that the actions of these forces on the structure are fundamentally different.
Researchers have developed a non-destructive inspection method using terahertz waves to visualize PC steel wires hidden inside concrete and steel bridges. This technology is particularly useful for extradosed bridges where the wires are covered in resin jackets, reducing the risk of corrosion during inspections.
A team at Tohoku University developed sNOOOpy, a genetically encoded FRET-based indicator that senses nitrate and nitrite levels. The sensor can monitor intracellular levels in real-time and has potential applications in various organisms and research fields.
Hitachi and Tohoku University's Advanced Institute for Materials Research have developed a basic technology to reduce internal resistance in all-solid-state lithium-ion batteries, allowing them to operate at temperatures up to 150°C. This breakthrough enables the thermally durable battery to be used in various applications, such as lar...
Researchers from Tohoku University created a modified DNA sequence that increases sucrose levels in tomatoes without limiting growth. The technology also affects amino acid metabolism, resulting in higher levels of several key compounds.
Scientists successfully produced a high-quality FeNi magnet using natural meteorite material in just ten days, significantly reducing the production time from billions of years. This breakthrough resolves issues related to rare-earth supply and paves the way for industrial superiority in future magnets.
Scientists create ultra-thin FeSe films using electrochemical etching, increasing superconducting transition temperature from bulk form to 40K. This method enables exploration of nontrivial physical phenomena in 2D materials, previously difficult to address.
Researchers at Tohoku University developed a new idea to improve proton mobility in rare-earth doped BaZrO3 perovskite-type proton conductors. By creating pairs of oxygen vacancies and rare-earth elements, the team found that this inhibits proton trapping, leading to higher proton concentration around Zr
Scientists have successfully controlled a phase transformation from layered SrNbO3.4 to perovskite SrNbO3 at the atomic scale using focused electron beams, paving the way for precise control of phase transformations in materials design and nanodevice fabrication.
A research group at Tohoku University has developed a comprehensive reference panel of genetic variants from 1,070 Japanese individuals through deep whole-genome sequencing. This analysis detected signatures of purifying selection on regulatory elements and coding regions, as well as structural variants that may contribute to complex h...
A recent study has found that the human visual cortex contains neurons that selectively respond to intermediate colors, not just red, green, yellow, and blue. This discovery challenges existing color encoding models and may provide clues for designing more precise multi-primary-color displays.
A research group has designed the first ever SNP array optimized for the Japanese population, covering the whole-genome region from which SNPs possessed by Japanese people can be obtained with high accuracy. The Japonica Array offers improved genotype imputation accuracy, accelerating personalized healthcare and medicine research.