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Institute of Science Tokyo


Layered hydrogen silicane for safe, lightweight, and energy-efficient hydrogen carrier

Researchers have discovered a new solid-state hydrogen carrier called layered hydrogen silicane (L-HSi) that can release hydrogen under ambient temperature and pressure. L-HSi exhibits high gravimetric hydrogen capacity and is stable, making it a promising alternative to conventional hydrogen storage systems.

SourceInstitute of Science Tokyo·JournalAdvanced Optical Materials·TypeExperimental study·DateJan 19, 2026

Discovery of a new superfluid phase in non-Hermitian quantum systems

Researchers at Institute of Science Tokyo have discovered a stable superfluid that inherently hosts singularities known as exceptional points. The study reveals how dissipation can stabilize this unique superfluid phase, which features a finite order parameter and emerges deep inside a strongly interacting phase.

SourceInstitute of Science Tokyo·JournalPhysical Review Letters·TypeComputational simulation/modeling·DateJan 12, 2026

Ultrathin ferroelectric capacitors for next-generation memory devices

Researchers from Japan successfully downscaled a total ferroelectric memory capacitor stack to just 30 nm, maintaining high remanent polarization and paving the way for compact and efficient on-chip memory. This breakthrough demonstrates compatibility with semiconductor devices and paves the way for future technologies.

SourceInstitute of Science Tokyo·JournalAdvanced Electronic Materials·TypeExperimental study·DateJan 5, 2026

Novel composite copper oxides with strong and stable antiviral activity

Composite copper oxides La₂CuO₄ and Y₂Cu₂O₅ demonstrate exceptionally high antiviral activity against non-enveloped viruses, outperforming individual constituent oxides. The oxides' cation-rich surfaces enhance electrostatic adsorption of viruses, leading to protein inactivation and viral neutralization.

SourceInstitute of Science Tokyo·JournalACS Applied Materials & Interfaces·TypeExperimental study·DateDec 19, 2025

‘Tubuloids’ offer a realistic platform for modeling chronic kidney disease

Researchers from Institute of Science Tokyo developed 'tubuloids' to capture the slow progression of chronic kidney disease (CKD), replicating key features such as DNA damage, cellular senescence, inflammation, and fibrosis. This realistic platform provides a new way to develop and test treatments for millions globally.

SourceInstitute of Science Tokyo·JournalAdvanced Healthcare Materials·TypeExperimental study·DateDec 16, 2025

Engineering magnetism and thermal expansion in BiFeO3 for next-generation memory devices

Scientists successfully introduce ferromagnetism into bismuth ferrite at room temperature through dual-cation substitution, enabling potential use in low-power memory devices. Negative thermal expansion is also observed, which could help solve problems caused by thermal expansion in electronic components.

SourceInstitute of Science Tokyo·JournalJournal of the American Chemical Society·TypeExperimental study·DateDec 11, 2025

Uncovering the dynamics of sugar–protein interactions

Researchers developed a novel magnetic biosensing technique using polydopamine-coated magnetoliposomes to monitor lectin-glycan binding. The technique provides insight into the dynamics of sugar-protein interactions and holds promise for medical diagnostics, glycoscience research, and drug discovery.

SourceInstitute of Science Tokyo·JournalACS Applied Materials & Interfaces·TypeExperimental study·DateDec 9, 2025

Chemistry meets biology: controlling artificial cell membranes through catalysis

Scientists at Institute of Science Tokyo have developed an artificial metalloenzyme-based platform that enables dynamic control of artificial membranes, mimicking the behavior of natural biological membranes. The researchers successfully induced phase-separated domain disappearance and membrane division in artificial membranes using a ...

SourceInstitute of Science Tokyo·JournalJournal of the American Chemical Society·TypeExperimental study·DateDec 1, 2025

Lighting and acoustics matter for better work environments in ICUs

A study conducted in a Japanese ICU found that healthcare workers experience reduced satisfaction and concentration due to poor lighting and excessive noise. The findings suggest that designing ICUs with improved natural light and mitigating noise can enhance worker satisfaction, productivity, and quality of patient care.

SourceInstitute of Science Tokyo·JournalIntensive and Critical Care Nursing·TypeObservational study·DateNov 17, 2025

Stable and versatile optical wireless power transmission for sustainable IoT

Scientists at Institute of Science Tokyo developed an automatic and adaptive LED-based optical wireless power transmission system that can efficiently power multiple devices without interruption. The system overcomes limitations of traditional OWPT systems by adapting to varying lighting conditions and ensuring stable power delivery.

SourceInstitute of Science Tokyo·JournalOptics Express·TypeExperimental study·DateNov 14, 2025

Aquaporin gene duplication followed by mutation in European eels restores broad solute permeability

Researchers at Institute of Science Tokyo found that European eels have restored aquaporin proteins with broad solute permeability through a recent gene duplication event. The study revealed that the genes Aqp10.2b2 and b3 acquired functional diversification, enabling them to transport urea and boric acid similar to Aqp10.1.

SourceInstitute of Science Tokyo·JournalGenome Biology and Evolution·TypeExperimental study·DateNov 13, 2025

Unlocking key insights into gene expression using a novel mouse model

Researchers developed a novel mouse model to visualize RNA Polymerase II during elongation, shedding light on gene expression dynamics. The study revealed dynamic patterns of gene transcription activity in various tissues and developmental states, with implications for understanding development, differentiation, and disease mechanisms.

SourceInstitute of Science Tokyo·JournalJournal of Molecular Biology·TypeExperimental study·DateNov 11, 2025

Photoinduced non-reciprocal interactions in magnetic metals

A team of researchers proposes a theoretical framework to induce non-reciprocal interactions in solid-state systems using light. By applying dissipation-engineering scheme, they predict a non-equilibrium phase transition called non-reciprocal phase transition, leading to a spontaneous and continuous rotation of magnetization.

SourceInstitute of Science Tokyo·JournalNature Communications·TypeComputational simulation/modeling·DateNov 4, 2025

Deep blue organic light-emitting diode breakthrough operates at just 1.5 V

Researchers developed a deep blue organic light-emitting diode (OLED) capable of producing sharp blue emission meeting BT.2020 standards with just a single 1.5 V battery. The device operates by introducing a new molecular dopant that prevents charge trapping, a problem that previously hampered the performance of low-voltage OLEDs.

SourceInstitute of Science Tokyo·JournalAdvanced Optical Materials·TypeExperimental study·DateOct 14, 2025

Spinel-type sulfide semiconductors to operate the next-generation LEDs and solar cells For solar-cell absorbers and green-LED sources

A new spinel-type sulfide semiconductor, (Zn,Mg)Sc2S4, has been developed by researchers at Science Tokyo. The material can be chemically tuned to switch between n-type and p-type conduction, making it suitable for pn homojunction devices in next-generation LEDs and solar cells.

SourceInstitute of Science Tokyo·JournalJournal of the American Chemical Society·TypeExperimental study·DateOct 3, 2025