Scientists from Tokyo Institute of Technology have discovered a new method to manipulate quantum vibrations in solids using polarized light pulses. The research demonstrates the importance of polarization in controlling these vibrations, which could lead to breakthroughs in quantum control and material properties.
Researchers from Tokyo Institute of Technology demonstrate that lead-vacancy centers in diamond exhibit dihedral symmetry and large ground state splitting, essential properties for quantum networks. The high-pressure high-temperature treatment recovers damaged crystal lattice, leading to long spin coherence time at higher temperatures.
A recent study reveals the physical properties responsible for Ca2RuO4's negative thermal expansion (NTE), a phenomenon where materials shrink when heated. The research proposes a new route to designing unconventional NTE materials, which could lead to the creation of composites showing no overall thermal expansion.
Researchers from Tokyo Tech and the European Space Agency introduce a novel one-dimensional switching matrix that achieves reduced layers and improved signal uniformity. The new solution enables low-cost, cost-effective implementation of multibeam antennas for next-generation wireless systems.
A new catalyst developed by Tokyo Tech researchers can generate hydrogen gas from ammonia at lower operating temperatures than existing methods. The calcium imide-supported Ni-catalyst produces good ammonia conversion and offers a promising solution for the production of clean hydrogen fuel.
Researchers at Tokyo Institute of Technology developed a tunable neural network framework that achieves high accuracy and efficiency for sparse CNNs. The new architecture employs a Cartesian-product MAC array and pipelined activation aligners to enable dense computing of sparse convolution, resulting in better resource utilization.
Scientists have successfully visualized the molecular motion of a highly unstable compound, 10-mesityl-1,8-bis(trifluoromethyl)-9-phosphaanthracene, using novel spectroscopic techniques. The study revealed unprecedented molecular motions and structure information, shedding light on its radical reactivity and potential applications.
Researchers at Tokyo Institute of Technology have developed a high-yield synthesis pathway through reduction of rhodium complexes, enabling the addition of electron-deficient boron groups to arenes. This new strategy uses a cyclopentadienyl-rhodium-based catalyst and produces arylboronates with high yields and cleaner conditions.
A team of researchers from Tokyo Institute of Technology developed a novel imaging method using metal-atom tracers in HAADF-STEM to determine the conformational structures of complex polynuclear coordination compounds. The technique achieves accurate visualization of highly branched molecules, filling a gap in structural analysis.
Researchers have successfully characterized a new form of toxic Aβ42 fibrils in Alzheimer's disease using sensitivity-enhanced solid-state NMR spectroscopy. The study paves the way for novel therapeutic strategies targeting these aggregates that drive AD progression.
Scientists at Tokyo Institute of Technology developed a computational method to predict the cell-membrane permeability of cyclic peptides, exhibiting promising accuracy. The protocol has potential to aid in designing and discovering cyclic peptide drugs with high cell-membrane permeability.
Researchers develop a de novo peptide Y15 that readily forms secondary structures to enable bottom-up synthesis of functional protein assemblies in live cells. The peptide enables the formation of fibrous structures and clusters in test tubes and live cells, facilitating protein assembly and reconstitution of natural complexes.
Researchers have developed a novel synthesis method using peptides to create green gold nanoparticles, which can target and destroy cancer cells using near-infrared light. The findings provide an easy and eco-friendly protocol for Au nanoparticle synthesis, opening doors to non-toxic nanoparticle therapeutic agents.
Researchers at Tokyo Institute of Technology have created a simple and additive-free method to synthesize water-stable amphiphilic molecules. The new catalyst- and reagent-free approach uses the Staudinger reaction to form stable azaylide-based amphiphiles that can self-assemble into micelles in water.
Researchers create polymers infused with stress-sensitive molecular units that respond to external forces by switching on fluorescence. The team demonstrates reversible and irreversible polymer deformations using rotaxane-based mechanophores.
Scientists at Tokyo Institute of Technology and NEC Corporation have developed a novel 28-GHz phased-array transceiver that supports efficient and reliable 5G communications. The proposed transceiver features fast beam switching and leakage cancellation mechanism, leading to improved MIMO efficiency and lower latency.
Researchers at Tokyo Tech developed a flexible device capable of rapidly increasing temperature of target tissues without tissue burning. The device overcomes limitations of existing heat-generating devices and opens up possibilities for wide clinical scenarios including minimally invasive endoscopic surgery.
Scientists from Japan and China create new materials by combining high entropy alloys with van der Waals materials, exhibiting superconductivity, magnetic ordering, and strong corrosion resistance. The discovery opens up a wide range of practical applications, including the design of heterogeneous catalysts.
Researchers at Tokyo Institute of Technology have developed a wirelessly powered relay network for 5G systems, addressing the challenges of flexible deployment. The proposed design is both economical and energy-efficient, leveraging high-capacity millimeter-wave frequencies to enhance 5G connectivity.
A team of researchers from Tokyo Institute of Technology and RIKEN, Japan, conducted a meta-synthesis to understand human perception and interaction with computer voices. They found that users prefer human-like voices, particularly those with high pitches and empathetic tones, and that the inclusion of vocal fillers improves interactions.
Researchers at Tokyo Institute of Technology develop a 3D functional interposer containing an embedded capacitor, saving up to 50% package area and reducing wiring resistance. This compact design enables less noise and power consumption, paving the way for new semiconductor package structures with greater miniaturization.
Researchers at Tokyo Institute of Technology have developed a new strategy to produce nanogap oxygen gas sensors with fast response times and low operating temperatures. The study presents a promising approach to create scalable gas-sensing platforms for various applications.
Researchers developed a novel immunosensor called BRET Q-body, which works on the bioluminescence resonance energy transfer principle. The sensor detects antigens by inducing fluorescence through an enzyme-luminescent substrate reaction, allowing for simple and accurate immunoassay tests.
A new robot-assisted broadband photo-monitoring platform has been developed using physically enriched carbon nanotube thin films to act as uncooled imager sheets. This device enables stereoscopic sensing of curved objects and detects minuscule defects, revolutionizing industrial inspection.
Researchers at Tokyo Tech have developed a straightforward strategy to produce organic thin films with controllable shapes and thickness distributions. The novel approach combines bipolar electrochemistry with electrolytic micelle disruption, resulting in inexpensive and customizable thin films.
A new study by a joint Japan/US-based team has developed a machine learning technique that assesses complex organic mixtures using mass spectrometry to reliably classify them as biological or abiological. This approach may help detect extraterrestrial life with a different evolutionary history than Earth-life.
Simple chemical compounds, like hydroxy acids, spontaneously link together to form structures reminiscent of modern cells when dried from solution. These structures may have helped scaffold the emergence of biological cellularity.
Researchers at Tokyo Institute of Technology and Kyushu University have successfully synthesized a new semiconductor material that can absorb visible light, reducing its band gap from 4eV to 2eV. The material has potential applications in solar cells, photocatalysis, and pigments.
Researchers analyzed ice core data from Greenland to understand the relationship between sulfur dioxide emissions and sulfate aerosols. They found that sulfate levels have declined more slowly than sulfur dioxide emissions, especially in wintertime, due to a reaction that partially mitigates reductions.
Scientists experimentally verify exotic surface conduction states in topological semimetals, materials that conduct on the surface but insulate inside. A new study reveals a coupled pair of electronic Weyl orbits under a magnetic field, opening doors to controlling these phenomena via external fields and interface engineering.
Researchers analyzed Lake Victoria cichlid genomes to identify genes contributing to adaptive radiation and species-specific adaptations. The study found evidence of selective sweep events and preexisting genetic variation underlying these processes.
Scientists at Tokyo Institute of Technology developed a new strategy for producing organotin compounds by photoexciting stannyl anions. This approach increases selectivity and reactivity, enabling the efficient synthesis of bioactive products, novel drugs, and functional materials.
Scientists at Tokyo Institute of Technology use genetic engineering to produce protein assemblies from protein crystals. They successfully synthesized bundled protein filaments with precise arrangement and control.
Researchers at Tokyo Institute of Technology discover that hydrostatic pressure can dynamically control the conformations of artificial molecules called foldamers, which mimic proteins. This finding opens doors to future development of pressure-sensitive materials and has implications for understanding biological processes.
Researchers discover that autophagy preferentially degrades specific mRNA species, including housekeeping mRNAs, and those required for regulatory protein synthesis. This selective degradation process is linked to translation-dependent processes and plays a crucial role in gene regulation.
Researchers developed a method to grow crystals with reversible phase transitions between 2D and 3D structures, leading to significant changes in electronic conductivity. The alloy's properties can be controlled by temperature, enabling potential applications in novel semiconductor technologies.
A novel cancer diagnosis technique using circularly polarized LEDs can detect precancerous lesions and early cancer, providing valuable information for treatment decisions. The method uses spin-LEDs to emit circularly polarized light, which interacts with healthy and unhealthy cells differently.
Researchers found two distinct magnetic phase transitions in PbFeO3, including a continuous spin reorientation at 418K and a weak ferromagnetic transition at 600K, which could enable the development of faster and more efficient spintronic devices.
A multinational team discovered at least two inactive and three active conformations of the human adenosine A2A receptor, dependent on ligands and G protein interactions. The study sheds new light on GPCR activation and signaling, offering opportunities for drug discovery.
A team of researchers at Tokyo Institute of Technology has identified a critical protein segment responsible for activating the MRN complex, a key player in DNA repair. The discovery reveals a conserved function across species, with implications for genetic disorders and gene editing applications.
Researchers at Tokyo Institute of Technology have found a promising alternative to expensive electrocatalysts used in hydrogen production. Calcium iron oxide (CaFe2O4) has shown exceptional oxygen evolution reaction performance and durability, offering a cost-effective solution for water splitting.
Researchers at Tokyo Institute of Technology have developed a new material called cerium molybdate with high antiviral activity against SARS-CoV-2. The material exhibits improved antiviral properties compared to earlier works, and its potential applications include coatings for surfaces and everyday items.
A team of researchers at Tokyo Tech has designed a flexible and free-standing terahertz sensor array that can image irregularly shaped objects. The camera patch sheet can be easily cut into smaller sensors for better coverage, showcasing its potential in industrial applications such as quality control operations.
Researchers at Tokyo Institute of Technology create novel enterocyte-like cells that closely resemble actual enterocytes, expressing efflux transporter proteins and CYP3A4. These cells can be used as an in vitro model of the small intestine for evaluating intestinal absorption of drugs in humans.
Researchers have designed a novel CMOS-based transceiver that operates at the 300 GHz band, enabling future beyond-5G applications. The design addresses the limitations of amplification and circuit complexity, achieving maximum data rates of 26 Gbaud for transmission and 18 Gbaud for reception.
Researchers use a scanning tunneling microscope to study DNA hybridization, monitoring changes in electronic properties of single molecules. They discovered plateaus in current traces indicating the formation of double-stranded DNA, providing new insights into chemical reactions and potential applications for DNA-based diagnoses.
Researchers developed segmented polyurethane polymers with hard and soft functional segments containing a 'mechanophore' molecule that splits into radicals under mechanical stress. This triggers cross-linking between polymers, enhancing their strength and enabling intuitive damage detection.
Scientists have synthesized a biomolecule that resembles a natural anisotropic dual-stimuli-responsive channel, allowing for the creation of advanced biosensors and drug alternatives. The channel, called VF, can be activated by two specific stimuli dependent on its biased orientation within the membrane.
Researchers at Tokyo Institute of Technology produced and characterized novel organic molecules with a long helical structure, revealing special interactions between coils that can exhibit interesting optical and chemical properties. The longer compounds also displayed face-to-face stabilizing interactions between different helical lay...
Scientists have discovered Ba7Nb4MoO20-based materials with high oxygen-ion conductivity, shedding light on the underlying mechanisms. These findings pave the way for developing low-cost and scalable renewable energy technologies, such as fuel cells, which could store and produce clean fuel.