A research group has successfully developed an adsorbent material that can selectively recover rare earth elements from hot spring water, a process expected to contribute to a metal resource-circulating society. The method uses environmentally friendly and inexpensive materials, such as baker's yeast and trimetaphosphate.
Researchers developed an antisymmetrized quasicluster model to represent both cluster and shell structures in a single framework. The model applied to carbon and oxygen revealed significantly different density distributions compared to traditional assumptions.
Researchers at Osaka Metropolitan University analyzed the collection of leptons to demonstrate that the lepton flavor mixings are large in the random mass matrix model. The study found that the measure of the matrix should obey the Gaussian distribution, which supports the experimental results for the seesaw model.
Researchers from Osaka Metropolitan University have developed a system that converts waste acetone and low CO2 concentrations into biodegradable plastic using artificial photosynthesis. The study successfully synthesized 3-hydroxybutyrate with over 60% efficiency after 24 hours.
Researchers found that preserving the meniscus with sutures is more effective in protecting cartilage from future damage in younger patients. Meniscectomies, which remove more than half of the meniscus, were more likely to progress cartilage degeneration.
Scientists developed a novel artificial metalloenzyme using a 2-his-1-carboxylate motif, which exhibited high stereoselectivity in Michael addition reactions. The study provides insight into the reaction mechanisms of metalloenzymes and could lead to the creation of efficient biocatalysts.
Researchers at Osaka Metropolitan University discovered that whale shark rhodopsin can detect blue light, a common wavelength in the deep-sea environment. The unique adaptation allows the whale shark to thrive in low-temperature and low-light conditions, but also makes it less thermally stable.
Researchers at Osaka Metropolitan University have discovered that CD9-positive exosomes derived from cancer-associated fibroblasts can inhibit the growth of malignant melanoma cells. This finding holds promise for developing new treatments for skin cancer.
Scientists found that oxocarbon-based dyes have intermediate electronic configurations between closed-shell and open-shell forms. The study reveals that longer wavelengths of near-infrared light absorption increase the contribution of open-shell forms in the dye.
A study by Osaka Metropolitan University found that users of heated tobacco products had a higher rate of COVID-19 infections and severe cases requiring hospitalization or oxygen. Researchers analyzed data from 30,130 participants and discovered a significant association between heated tobacco product use and increased risk of SARS-CoV...
A research team at Osaka Metropolitan University has developed a technique to directly observe changes in the electronic state of light-emitting electrochemical cells (LECs) during electroluminescence. This breakthrough enables improvements in luminous efficiency, paving the way for more efficient and reliable OLEDs and LECs.
A research team at Osaka Metropolitan University has developed a selective and sensitive method for detecting reactive polysulfides in vegetables. The study found high levels of reactive polysulfides in leek genus vegetables like onions and garlic, as well as cruciferous vegetables like broccoli and cabbage.
A new technology uses light-induced convection to enhance the permeability of cell membranes, allowing for efficient and selective delivery of biofunctional molecules to targeted cells. This results in lower concentrations of drugs needed for testing and potentially reduced costs and faster drug discovery.
Researchers at Osaka Metropolitan University used AI to create a detailed map of star birthplaces in the Milky Way Galaxy. The team identified 140,000 molecular clouds and estimated their distance, size, and mass with high accuracy.
A study by Osaka Metropolitan University found that more than half of COVID patients suffer from long-term symptoms, including fatigue, taste and smell abnormalities, and sleep disturbances. The research also revealed that young people, vaccinated individuals, and those previously infected can still experience these residual aftereffects.
Researchers have developed nanofluidic devices to study single molecule chemical reactions in solution. These devices provide a test tube-like environment to confine individual molecules and enable high temporal resolution for investigating fast single molecule reactions. By integrating various fields using nanofluidics, scientists can...
Researchers at Osaka Metropolitan University have identified new antioxidants in meat, including beef, chicken, and pork, which show high antioxidant activity. These discoveries were made using a highly sensitive detection method, enabling the quantification of these compounds in living organisms.
Researchers found serial dependence bias in tasks that require guessing coin values, indicating its impact on higher-order cognitive processing. The study suggests this bias can be minimized by presenting information in an environment that reduces human error.
A research group led by Osaka Metropolitan University has proven that 3C-SiC exhibits high thermal conductivity, equivalent to the theoretical level. The crystal purity and quality of the material were found to be key factors in unlocking its high thermal conductivity.
A study by Osaka Metropolitan University found that fish recognize themselves in photographs based on their faces, not bodies. The cleaner fish attacked photos with unfamiliar faces but not their own, indicating a higher sense of self awareness.
Researchers at Osaka Metropolitan University developed a new method to evaluate X-ray microbeam diameter using mathematical analysis, outperforming conventional methods. The uniform evaluation method is expected to be widely adopted as an international standard.
A team of researchers has proposed a novel method for multi-label classification that enables continual learning from big data. The approach combines clustering and Bayesian methods to achieve high classification performance and adaptability in the face of new data.
A research team at Osaka Metropolitan University successfully synthesized fumaric acid from CO2 using sunlight, paving the way for a renewable energy-powered alternative to traditional plastics. The findings could help reduce greenhouse gas emissions and promote sustainable production of biodegradable plastics.
Researchers at Osaka Metropolitan University successfully measured spin transport in a molecular film, achieving a spin diffusion length of 62 nanometers. This breakthrough paves the way for the development of smaller, faster, and energy-efficient electronics.
Researchers found that knee extension velocity, not quadriceps strength, is a strong predictor of walking performance in elderly patients after total knee arthroplasty. This study suggests that training to enhance knee extension velocity could be effective in recovering gait function.
Researchers used a wearable device to track autonomic nervous system activity in IBS patients and healthy subjects. The study found that IBS patients' sympathetic nervous systems were activated before defecation and persisted after, leading to greater abdominal pain and lower quality of life.
Scientists have revealed the regulatory mechanisms of enzyme production in a filamentous fungus that allows for efficient degradation of plant biomass. The discovery identifies Uge5 as a novel regulatory factor regulating carbohydrate-hydrolyzing enzymes.
Osaka Metropolitan University scientists discovered that visual food cues influence eating behavior even when participants are unaware of them. Neural activity in the brain's frontal lobe differs depending on whether images are presented consciously or unconsciously, suggesting a role for unconscious processes in controlling eating beh...
Researchers developed a new method using Bayesian estimation to reduce X-ray fluorescence analysis time from 7 seconds to 3 seconds per measurement point, saving up to 11 hours for large-scale elemental distributions.
A gene called CRTC1 suppresses obesity when functioning in specific neurons, but its deletion leads to overeating and weight gain. Researchers created mice with a modified version of the gene to study its effects on obesity and diabetes.
Osaka Metropolitan University scientists have developed a novel protein detection method that allows for ultra-fast and highly sensitive detection of proteins, enabling early disease diagnoses. The method uses light-induced acceleration of antigen-antibody reaction to detect attogram-level proteins within 3 minutes.
Researchers at Osaka Metropolitan University found that closed-eye perception of brightness is remarkably stronger than previously reported, with values up to 10 times higher. The color of the light also affects perception, with red being perceived as brighter and blue as darker.
Researchers studied the photosynthetic antenna of Codium fragile, a marine algae, to understand how it efficiently utilizes weak blue-green light. The study revealed that siphonaxanthin and chlorophyll b play key roles in absorbing green and blue-green light, respectively.
Scientists have found that photochemical reactions in molecular crystals propagate from the edges to their centers, unlike previously assumed classical kinetics. This discovery has significant implications for understanding fundamental science and developing new functional materials.
Researchers at Osaka Metropolitan University have successfully created the smallest mobile lifeform, a synthetic bacterium named syn3, capable of swimming. By introducing seven proteins, they were able to reconstitute a minimal motility system based on Spiroplasma swimming, revealing that only two proteins were necessary for movement.
A new quantum algorithm allows for the direct calculation of energy derivatives, a crucial step in molecular geometry optimization, using only one query on a quantum computer. This breakthrough enables the computation of energy derivatives with respect to nuclear coordinates in a single calculation.
Researchers at Osaka Metropolitan University developed a compact vibration energy harvester that amplifies electric power generated from human walking motion by about 90 times. The device can generate electricity from non-stationary vibrations, including walking motion, to power small wearable devices.
Scientists at Osaka Metropolitan University developed a new system to control the behavior of nematode worms using two different light-sensitive proteins called opsins. The researchers found that exposing the worms to white light triggered avoidance behavior, while UV light stopped movement and green light restarted it.
A study by Osaka Metropolitan University found that Japanese university students are hesitant to provide social support without explicit request. In contrast, American students are more willing to offer assistance when they recognize someone is in need. The research aims to encourage Japanese people to provide help when it's needed.
A study by Osaka Metropolitan University found that teaching fall prevention using home floor plans reduced falls in older hospital patients by 97% compared to a control group. The intervention group had no falls within two months of discharge, while the control group experienced 7.7% falls.
Researchers at Osaka Metropolitan University have discovered a unique phase transition in crystals that combines crystalline and amorphous characteristics. This finding has significant implications for developing hybrid materials with improved properties for use in extreme environments, such as outer space.
A survey by Osaka Metropolitan University found that disaster emergency wells complemented the Kumamoto city government's emergency water supply, speeding up water delivery and improving access. However, some welfare facilities did not use emergency wells despite being nearby, highlighting the importance of publicizing their locations.
A research group at Osaka Metropolitan University developed a nanovaccine that delivers cancer antigens to dendritic cells, inducing strong cellular immunity. The new system, using positively charged cationic lipids, increases cytokine production by approximately 100 times compared to previous designs.
A long-term study in Southeast Asian seasonally dry tropical forests found that El Niño-induced drought increased seedling mortality. Despite being more drought-tolerant than rainforests, SDTFs experienced higher mortality rates under severe and prolonged drought conditions.
A review article by Osaka Metropolitan University researcher Professor Noritoshi Kawate explores the use of INSL3 as a hormone indicating gonadal functions in domestic animals. The study reveals that INSL3 secretions in bulls and male goats are stimulated by luteinizing hormone, making it a reliable fertility indicator.
Researchers at Osaka Metropolitan University used Mössbauer spectroscopy to study monoclinic pyroxenes, a type of calcium-rich mineral. They found that the tensor determining iron ion intensity ratios is independent of iron content but dependent on calcium content.
Researchers identified barriers to optimal nutrition for para-athletes, highlighting the importance of understanding their concerns and struggles. A diet rich in vegetables was deemed ideal for improving athletic performance, but para-athletes often hesitate due to weight gain and lifestyle-related diseases.
A long-term International Space Station experiment measured the effect of space radiation on mouse embryonic stem cells, contributing to assessing safety and risks for human space flights. The study's findings show that actual biological effects of space radiation are in close agreement with earlier predictions.
Researchers found that controlling human mobility in specific areas according to infection levels can effectively reduce COVID-19 transmission. The studies suggested that walkable cities and mask use may play a role in reducing new infections.
Researchers have developed an intermetallic palladium-zinc alloy with high corrosion resistance and improved catalytic activity. The alloy's unique structure creates a protective skeletal shell around the zinc atoms, preventing leaching and increasing its durability as an electrocatalyst for ethanol oxidation reactions.