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University of Tokyo


Fundamental discoveries for future nanotools: Chemists distinguish multiple weak forces

Chemists at the University of Tokyo have made groundbreaking discoveries about how molecules bind together, using a tiny cube structure to study dispersion forces. The team has found that polarizable atoms can create stronger dispersion forces, leading to increased stability in complex structures and potential applications in drug design.

SourceUniversity of Tokyo·JournalCommunications Chemistry·DateDec 12, 2019

Researchers add order to polymer gels

Researchers have created a new polymer gel with an ordered structure, allowing for potential uses in chemical filters, sensors, and drug release. This breakthrough could lead to advancements in various fields by providing a more consistent material.

SourceUniversity of Tokyo·JournalScience Advances·DateDec 6, 2019

Japanese anime and zoos boost public interest in conservation of real-life animal characters

A new national analysis in Japan highlights the potential of entertainment-conservation partnerships to increase public interest in wildlife. The research found that animated shows with animal characters can boost donations to zoo conservation programs, with Kemono Friends being a notable example of its positive impact on public interest.

SourceUniversity of Tokyo·JournalThe Science of The Total Environment·DateNov 26, 2019

The tera from outer space

Researchers discovered the most energetic gamma-ray burst ever recorded, emitting 1 tera-electron-volt of energy. This breakthrough confirms theoretical predictions and opens new avenues for understanding these powerful cosmic events.

SourceUniversity of Tokyo·JournalNature·DateNov 20, 2019

How to build a chloroplast

A team of researchers from Japan and the UK has identified a crucial communication route in developing chloroplasts, the energy factories of plant cells. The newly characterized protein GUN1 regulates tetrapyrrole biosynthesis, controlling the cell's production of heme.

SourceUniversity of Tokyo·JournalProceedings of the National Academy of Sciences·DateNov 15, 2019

By popular demand

Researchers developed an algorithm to recommend tags for social media posts, resulting in a 20% boost in popularity. The system takes into account user popularity and content emotional impressions to suggest effective tags.

Light work for superconductors

Using laser pulses, researchers successfully induced superconductivity in an iron-based compound at a temperature of minus 258 degrees Celsius. This breakthrough could lead to more power-efficient devices and infrastructure if it can be scaled up to room-temperature applications.

SourceUniversity of Tokyo·JournalCommunications Physics·DateSep 25, 2019

New hunt for dark matter

Researchers propose using gravitational-wave observatories to detect axions, which could be a type of dark matter. Axions are predicted to modulate light polarization and can be detected with existing laser-based experiments, offering a cost-effective solution to the hunt for dark matter.

SourceUniversity of Tokyo·JournalPhysical Review Letters·DateSep 17, 2019

Blink and you'll miss it

Scientists have successfully observed and controlled fast-paced chemical reactions using light, which could lead to new optical nanotechnology. The method uses ultrafast techniques to visualize the reaction, offering insights into molecular interactions and potential applications in materials design.

SourceUniversity of Tokyo·JournalNature Communications·DateSep 13, 2019

Spin devices get a paint job

Physicists have developed a novel method to create high-performance spintronic devices using organic molecules, which can be easily configured for different functions. The new fabrication method uses layers of molecules that can be painted or printed onto metals, offering a promising alternative to traditional materials.

SourceUniversity of Tokyo·JournalNano Letters·DateSep 12, 2019

Earthquake symmetry

A recent study analyzed 100,000 localized seismic events to search for patterns in the data. Researchers found that earthquakes of differing magnitudes share more similarities than previously thought, suggesting predictable characteristics may aid forecasting.

SourceUniversity of Tokyo·JournalNature·DateSep 4, 2019

Chemistry in motion

For the first time, researchers have visualized chemical processes in unprecedented detail using molecular electron microscopy. This breakthrough allows for the observation of discrete stages in chemical reactions, which could aid in the development of methods to synthesize chemicals with greater control and precision.

SourceUniversity of Tokyo·JournalNature Communications·DateAug 23, 2019

Researchers can finally modify plant mitochondrial DNA

Researchers have successfully edited plant mitochondrial DNA for the first time, paving the way to address the current lack of mitochondrial genetic diversity in crops. This technique, called mitoTALENs, uses a single protein to locate and delete specific genes, potentially adding much-needed diversity to the food supply.

SourceUniversity of Tokyo·JournalNature Plants·DateJul 8, 2019

Thunderbolt of lightning, gamma rays exciting

Scientists at the University of Tokyo have discovered a connection between lightning strikes and gamma-ray phenomena in thunderclouds. Weak gamma-ray glows may precede lightning bolts, offering new insights into the mechanism underlying lightning discharge. The research aims to improve predictive models for lightning strikes, potential...

SourceUniversity of Tokyo·JournalCommunications Physics·DateJun 25, 2019

Photovoltaic nanotubes

Researchers discovered a novel nanotube material that generates electricity through the photovoltaic effect, outperforming existing materials by an order of magnitude. This breakthrough could lead to more efficient solar panels and advanced optical sensors for applications in astronomy and self-driving cars.

SourceUniversity of Tokyo·JournalNature·DateJun 19, 2019

Small currents for big gains in spintronics

Scientists at the University of Tokyo developed an efficient magnetization reversal component using gallium manganese arsenide, reducing current densities by one to two orders of magnitude compared to previous methods. This breakthrough aims to advance spintronics, a promising technology for low-power logic and memory devices.

SourceUniversity of Tokyo·JournalNature Communications·DateJun 13, 2019

Mathematics of plant leaves

A new mathematical model, EDC2, explains the peculiar 'orixate' leaf arrangement pattern of a Japanese plant, suggesting that older leaves have stronger inhibitory signals. The findings support the accuracy of the formula and shed light on the genetic and cellular machinery behind plant development.

SourceUniversity of Tokyo·JournalPLOS Computational Biology·DateJun 6, 2019

Self-repairing batteries

Researchers at the University of Tokyo have created a material that can significantly extend battery life and increase capacity. The oxygen redox-layered oxide (Na2RuO3) material, when used in lithium-ion batteries, enables self-repair due to its stronger coulombic attraction force, reducing degradation from charge and discharge cycles.

SourceUniversity of Tokyo·JournalNature Communications·DateMay 16, 2019

Our history in the stars

Researchers mapped aluminum monoxide around a distant young star, clarifying details about our solar system's formation. The findings suggest that AlO gas rapidly condenses into solid grains, similar to calcium and aluminum-rich inclusions found in asteroids.

SourceUniversity of Tokyo·JournalThe Astrophysical Journal Letters·DateMay 10, 2019

New nanomedicine slips through the cracks

Researchers have created a new nanomachine that can deliver specific drugs to parts of the body with tight access barriers, such as pancreatic cancer and brain tumors. The Y-shaped block catiomer is less than one-fifth the size of previous nanoparticles, allowing it to pass through smaller gaps.

SourceUniversity of Tokyo·JournalNature Communications·DateApr 24, 2019

Cleaner, cheaper ammonia

Researchers at UTokyo develop a new process to produce ammonia more efficiently and sustainably than the current Haber-Bosch method. The Samarium-Water Ammonia Production (SWAP) process reduces energy consumption, raw material costs, and environmental impact.

SourceUniversity of Tokyo·JournalNature·DateApr 24, 2019

Just add heat to open this tiny box

Scientists have created nanocubes that can form stable cubes at specific temperatures, then scramble back into individual components when heated or cooled. This self-assembly ability mimics life's chemical processes, enabling the creation of complex systems.

SourceUniversity of Tokyo·JournalNature Communications·DateMar 29, 2019

Simplified synthesis

A novel iron catalyst has been discovered to simplify and streamline organic chemical synthesis, reducing costs and waste. This breakthrough could have huge implications for industries such as pharmaceuticals and petrochemicals.

SourceUniversity of Tokyo·JournalNature Catalysis·DateMar 27, 2019

Hayabusa2 probes asteroid for secrets

The Hayabusa2 mission provides valuable insights into the composition and history of asteroid Ryugu, helping researchers understand the presence or absence of essential materials for life. The study reveals that Ryugu is a dry asteroid, which challenges current models of the early solar system.

SourceUniversity of Tokyo·JournalScience·DateMar 19, 2019

Sensing shakes

Researchers at the University of Tokyo have developed a new way to sense earthquakes using gravitational signals, which can detect seismic waves ahead of time. The method has been proven reliable with 7-sigma accuracy and could lead to improved early warning systems that save lives.

Nanoparticles help realize 'spintronic' devices

Researchers have demonstrated a new way to perform functions essential to future computation at speeds trillions of times faster than current commercial devices. The team created a nanoscale spintronic semiconductor device that can partially switch between specific magnetic states in under a picosecond.

SourceUniversity of Tokyo·JournalApplied Physics Letters·DateMar 5, 2019

Spin devices rev up

Researchers from University of Tokyo discover magnetic spin Hall effect in non-collinear antiferromagnet Mn3Sn, enabling efficient spin current transfer. This could lead to high-speed and high-capacity devices with improved power efficiency.

SourceUniversity of Tokyo·JournalNature·DateMar 5, 2019

Walking with Pokémon

Researchers found that playing Pokémon GO increased step counts among middle-aged and elderly adults, suggesting a positive impact on physical activity. The study's findings could inform urban planners and game designers to encourage more people to engage in regular exercise.

SourceUniversity of Tokyo·JournalJournal of Medical Internet Research·DateFeb 5, 2019

Heat waves, food insecurity due to climate change may weaken immune systems

Research in mice at the University of Tokyo found that heat waves can reduce the body's immune response to flu. However, providing supplemental nutrition before and after infection can help restore normal immune function. The study suggests that food insecurity may weaken the immune system, making people more susceptible to illness.

SourceUniversity of Tokyo·JournalProceedings of the National Academy of Sciences·DateFeb 4, 2019

Plants can smell, now researchers know how

Researchers at the University of Tokyo have discovered how plants detect odor molecules by binding to transcriptional co-repressors, changing gene expression. This understanding may lead to new ways of influencing plant behavior, such as altering crop quality or deterring pests.

SourceUniversity of Tokyo·JournalJournal of Biological Chemistry·DateJan 23, 2019