Researchers at Osaka University discovered that neutralizing antibodies and infection-enhancing antibodies are produced after SARS-CoV-2 infection. Infection-enhancing antibodies increase infectivity, which is more common in severe COVID-19 patients.
Researchers discovered a novel molecular mechanism by which HCV interferes with the host's immune system, leading to chronic infection. The study found that HCV core protein is degraded via SPP and MHC class I proteins, impairing proper immune response and allowing infection to become chronic.
Scientists from Osaka University used machine learning methods to enhance signal-to-noise ratio in nanopore data, enabling higher precision measurements. The 'Noise2Noise' technique improved resolution of noisy runs, revealing faint features hidden by random fluctuations.
A quadruped robot platform reproduces neuromuscular dynamics of animals, discovering a reflex circuit generating steady gait in walking cats. The reciprocal excitatory reflex between hip and knee extensors is found to produce leg trajectories and a steady gait pattern.
The study reveals optical response of GaInN/GaN MQWs using terahertz emission spectroscopy, enabling nano-seismology of wide-bandgap quantum devices. The technique allows monitoring of dynamic screening effects and acoustic wave beams in buried structures.
The study reveals that random close packing of spheres exhibits common universal critical properties, despite the diversity of its details. The researchers showed that jammed states are marginally stable and can be described under a unified framework.
Researchers from Osaka University have made a groundbreaking discovery about the behavior of laser pulses in free space. They found that laser pulse intensity can propagate in a straight line, with the forward-propagating velocity being the speed of light and the backward-propagating velocity being subluminal.
Researchers have developed a new multiplexer made from pure silicon for terahertz-range communications, enabling ultra-broadband wireless communications. The device can support aggregate data rates of up to 48 Gbit/s, paving the way for applications in 6G and beyond.
Researchers at Osaka University have developed a nondestructive method to identify threading dislocations in GaN substrates, which could lead to improved quality and yields. The technique uses multiphoton excitation photoluminescence mapping to analyze crystal defects.
Researchers at Osaka University and JOANNEUM RESEARCH developed ultrathin self-powered e-health patches that can monitor a user's pulse and blood pressure. The patches use embedded piezoelectric nanogenerators to harness biomechanical energy, enabling wireless health monitoring without the need for wires or batteries.
Osaka University researchers report a stable and reusable nickel phosphide nanoalloy catalyst that achieves high activity and selectivity in the selective hydrogenation of maltose to maltitol. The catalyst's cooperation with its support enhances performance, allowing for efficient production of this sugar alcohol.
Researchers from Osaka University discovered that subconscious viewing of one's own face can activate the dopamine reward pathway in the brain. This finding provides new insights into how the brain processes self-facial recognition and suggests that the dopamine reward pathway plays a key role in this process.
Osaka University researchers used a photostabilizer to modulate fluorescence blinking in biochemical assays, allowing for the detection of a cancer RNA biomarker at ultralow concentrations. The technique increases fluorescence and eliminates blinking, providing a clear means to diagnose diseases in early stages.
A team from Osaka University and Hokkaido University has developed a quick PCR-based reverse genetics system for analyzing SARS-CoV-2 mutations. This system allows for the examination of biological features of mutations in a matter of two weeks, significantly faster than previous methods that took several months.
Researchers at Osaka University identify HPnc4160 as a key regulator of Helicobacter pylori adaptation to the human stomach. The study found that strains with lower levels of this molecule are more infectious and produce higher levels of CagA, an oncoprotein linked to cancer development.
Researchers at Osaka University identified SLPI as a critical mediator in balancing bone build-up and break-down, mediated by parathyroid hormone. The molecule promotes bone formation and suppresses bone loss, suggesting potential new treatments for osteoporosis.
Osaka University researchers have developed an air-stable and highly active single-crystal cobalt phosphide nanorod catalyst for the reductive amination of carbonyl compounds. The catalyst overcomes limitations of conventional cobalt catalysts, retaining high activity after multiple uses.
A new cellulose nanofiber coating offers enhanced water resistance for flexible electronic devices, allowing them to withstand hundreds of bending cycles and underwater exposure. The coating's unique properties make it an ideal solution for medical devices used in emergency disaster response situations.
Researchers from Osaka University developed a nanocarbon material made from crab shells suitable for use in photosensing and energy storage devices. The material was created through simple pyrolysis of chitin nanofiber paper, demonstrating a sustainable and efficient method for producing renewable electronics.
Researchers discovered that Streptococcus pyogenes can use arginine to survive on the skin surface. This knowledge could lead to new treatment strategies by blocking arginine metabolism in the bacteria.
Researchers at Osaka University developed a numerical method to visualize how signals propagate and radiate in electromagnetic circuits. The simulator considers both conduction and radiation phenomena, enabling the prediction of electromagnetic noise in circuit designing stages. This breakthrough aims to reduce power consumption and pr...
Osaka University researchers use deep learning to improve mobile mixed reality generation, enabling the automatic removal of obstructions and addition of greenery. This technology may revolutionize green architecture and city revitalization by providing real-time visualizations.
Researchers at Osaka University developed tunable microparticles that self-assemble into structures with adjustable properties. The study's findings may lead to the development of smart sensors and self-healing materials. By controlling the proportion of particle types, scientists can modify the shape of the resulting clusters.
A team of researchers from Osaka University used motion capture technology to compare the facial expressions of five android faces with those of humans. They found that mechanical facial movements of robots lacked the complexity of real human reactions, particularly in the upper regions. The study suggests redesigning android faces to ...
A new study from Osaka University reveals that Japan is ready to embrace active patient involvement in research, following the US and UK trends. The Rare and Undiagnosed Diseases Study JAPAN uses online platforms and virtual tools to facilitate collaboration between patients and researchers.
Researchers from Osaka University have developed a sustainable method for synthesizing vicinal diamines, crucial in medications for influenza and colorectal cancer. The process uses molecular iodine as a catalyst, reducing the need for rare and toxic metals.
Scientists at Osaka University fabricated nanopores in silicon dioxide that can prevent particles from entering by applying a voltage. The technology may enable the development of single-particle sensors and next-generation DNA sequencing technology.
Researchers from Osaka University have identified the molecular mechanism underlying bone marrow regeneration after chemotherapy. They found that group 2 innate lymphoid cells produce granulocyte-macrophage colony-stimulating factor to aid in HSPC recovery, and their transfer accelerates hematopoietic recovery.
Osaka University researchers employed machine learning to design new polymers for photovoltaic devices, virtually screening over 200,000 candidate materials. They found promising properties consistent with predictions, leading to potential breakthroughs in functional material discovery.
Researchers from Osaka University and colleagues found that plant root tips converge to a dome shape, similar to arch bridges, due to localized tissue growth. This shape helps evenly distribute mechanical force, enabling roots to efficiently push through soil.
Researchers from Osaka University have discovered that insect neurons promoting egg-laying require a circadian clock gene for day length-dependent responses. This study provides new insights into the importance of biological clocks in regulating seasonal physiological functions like reproduction and temperature tolerance in insects.
Researchers from Osaka University studied single atoms of rutherfordium reacting with common bases, uncovering differences in reactivity due to relativistic chemistry. These findings may lead to new applications and materials development.
A team of scientists at Osaka University has discovered a new protein called QhpG that enables the conversion of amino acid residues on polypeptides into an enzyme cofactor. This finding may lead to the development of novel bioactive peptides and enzymes for bioremediation purposes.
Researchers at Osaka University have fabricated Li-ion battery electrodes using Si swarf/graphite sheet composites, achieving high performance, reduced cost, and environmental friendliness. The Si/GS composite structure improves cyclability up to 901 cycles, making it a promising alternative for electric vehicles.
A team of researchers from Osaka University has identified a novel mechanism by which the protein Smurf2 regulates bone formation through the BMP signaling pathway. The study found that Smurf2 uses ubiquitination to mark messenger proteins for destruction, leading to reduced bone mass and formation rates in mice without Smurf2.
Researchers at Osaka University have developed a stable and reusable nickel phosphide nanoparticle catalyst that exhibits high activity and selectivity in the hydrogenation of glucose to sorbitol. The catalyst produces D-sorbitol with yields over 99%, making it suitable for sustainable, low-cost production in various industries.
Researchers from Osaka University successfully generated functional conjunctival tissue in a dish, enabling the study of conjunctivae and the development of novel drugs for dry eye disease. The newly formed tissue contained goblet cells that produce mucins, mimicking human conjunctival biology.
The study describes a dynamic link between correct protein folding and amyloid fibril formation, highlighting the threshold of supersaturation that must be overcome. Supersaturation is a fundamental concept that advances the field of protein folding and may contribute to therapeutic strategies for neurodegenerative diseases.
Researchers successfully transmit uncompressed 8K video wirelessly using terahertz waves, enabling low latency and low power consumption. The technology is expected to accelerate research and development for the realization of 6G mobile communication standard.
Researchers used terahertz time-domain spectroscopy to evaluate beta-gallium oxide semiconductor material properties. The technique revealed significant findings on the fundamental properties of the material at THz frequencies, providing valuable information for future power device development.
Researchers created nanodiamond sensors that can act as both heat sources and thermometers, allowing for the measurement of thermal conductivity inside living cells. This breakthrough may lead to new diagnostics tools and cancer therapies, as well as a better understanding of metabolic disorders such as obesity.
A new design concept aims to increase laser peak power by compressing pulse duration instead of increasing energy, pushing the record to the Exawatt class. The design uses a two-beam pumped WNOPCPA and carefully optimized phase-matching to avoid pump interference.
An international team from Osaka University has reported a novel hybrid emitter that could revolutionize OLED display design. The SiAz material achieved an external quantum efficiency of 4%, making it the best-performing heavy-atom-free OLED to date.
Researchers from Osaka University developed a new method for analyzing brain tissue with mass spectrometry imaging, enabling the identification of biochemicals at high spatial resolution. This technique may help diagnose brain diseases such as cancer by providing molecular information in high-resolution images.
Researchers at Osaka University discovered that liver cancer cells induce autophagy in nearby stromal cells, leading to the secretion of GDF15, which enhances tumor growth. High levels of GDF15 are associated with a poorer prognosis in HCC patients.
Researchers at Osaka University have developed a novel drug targeting LAT1 to deliver radionuclides into malignant tumors, selectively killing cancer cells. The approach offers high therapeutic effects with few side-effects, revolutionizing radionuclide therapy for pancreatic cancer and other malignancies.
Researchers at Osaka University developed twisted molecular wires that can conduct electricity with reduced resistance. The creation of smaller islands that are closer in energy maximized the conductivity, and temperature measurements confirmed the role of electron hopping.
Cells have a quality control system that ensures the health and function of mitochondria. A new study reveals that cells also transfer mitochondria out in response to stress, leading to the development of Parkinson's disease in humans.
Scientists at Osaka University create test to determine wood pulp quality by analyzing its optical birefringence, leading to clearer grading and utilization of renewable biomass. This innovation uses the intrinsic property of cellulose nanofibers to measure morphology change, enabling precise structure control.
Osaka University researchers fabricated centimeter-scale cross-aligned silver nanowire arrays using high-resolution printing. The arrays exhibit excellent transparency and functionality, making them suitable for various applications such as healthcare and civil engineering.