Researchers from Osaka Metropolitan University discovered a novel light-sensing mechanism in reef-building corals, where opsins use chloride ions as counterions to detect visible light. This unique functionality suggests that coral light sensitivity can adjust according to the algae's photosynthetic activity.
Researchers at Osaka Metropolitan University have discovered that delaying fertility drug administration to match follicle maturity period increases ovulated oocytes and normal offspring development. This study contributes to understanding infertility treatments and potential applications for humans and endangered species.
A new large-scale open dataset of Asia's terrestrial ecosystems is now available, providing a long-awaited foundation for understanding the region's role in the global carbon cycle. The JapanFlux2024 dataset combines 683 site-years of eddy covariance data from 83 locations across Japan and neighboring regions.
A team at Osaka Metropolitan University used AI to analyze video footage of calves, detecting consistent temperature changes in their eyes and noses. The method enables non-invasive monitoring and improves the accuracy of body temperature assessments.
Researchers at Osaka Metropolitan University have directly observed the quantum Kelvin-Helmholtz instability, producing eccentric fractional skyrmions. These exotic vortex patterns are governed by quantum mechanics and topology, challenging traditional classifications.
Researchers at Osaka Metropolitan University discovered medaka reproductive behavior begins in dark period around 7 a.m. and peaks at 8 a.m., with overall behavior similar to that observed in the wild, except for a 3-4 hour delay in courtship and reproduction times compared to natural environments.
Researchers at Osaka Metropolitan University found that elevated phosphate levels are associated with poor outcomes in canine respiratory disorders. The study used medical records from 133 dogs and identified heart rate, body temperature, and other factors as significant prognostic indicators.
Research reveals that Faecalibacterium prausnitzii inhibits the growth of Fusobacterium varium, promoting a balance in the gut microbiota. This interaction is likely to occur through direct contact between the bacteria, and may have implications for improving intestinal health.
A study found that users who exchanged daily walking steps for digital train tickets increased their walking by an average of 626.2 steps/day. Those using shopping coupon incentives walked 715.2 steps/day more on average than non-users. The results suggest effective promotion of active travel through well-designed mHealth apps.
Researchers at Osaka Metropolitan University developed a protein aggregation inhibitor called GAI-17, which significantly reduced brain cell death and paralysis in mice with acute strokes. The drug also showed no adverse effects on the heart or cerebrovascular system.
Researchers from Osaka Metropolitan University discovered that excessive ultrasonic power can distort wave patterns, suppressing bubble growth and reducing chemical reaction rates. Their findings provide key insights into the balance between sound waves, fluid motion, and bubble physics.
Researchers developed an in-silico meta-analysis tool to determine optimal laser irradiation conditions for treating nevus of Ota. The study found that picosecond laser treatment demonstrated higher efficacy and equivalent safety compared to nanosecond laser treatment.
A research team at Osaka Metropolitan University has developed an AI model that can detect fatty liver disease from chest X-ray images with an accuracy rate of 0.82-0.83. This breakthrough has the potential to improve early detection and treatment of the disease, which affects one in four people worldwide.
Researchers at Osaka Metropolitan University have identified the REDD2 gene, which is activated by metabolic stress and damages pancreatic β-cells, leading to reduced insulin secretion and the onset of diabetes. Suppressing REDD2 expression protects β-cells from damage, even under stress from overeating, preventing the onset of diabetes.
A team of researchers at Osaka Metropolitan University has successfully generated induced pluripotent stem cells from canine somatic cells and produced high-quality mesenchymal stem cells with high proliferation capacity. The study found that the highest quality MSCs were obtained from urine cells, offering a promising approach for reg...
Researchers at Osaka Metropolitan University discovered a new way to block cancer cell energy production by suppressing de novo fatty acid synthesis with ethyl p-methoxycinnamate. This natural substance inhibits ATP production, leading to increased glycolysis as a possible survival mechanism in tumor cells.
Medaka fish engage in courtship and spawning at midnight to 4 a.m., with peak activity between 2 a.m. and 4 a.m. Researchers conducted continuous observations in an outdoor setting to gain insights into their natural behavior.
Researchers at Osaka Metropolitan University found a mutant protein that helps plants fight mildew, but also accelerates leaf aging and yellowing. The discovery could contribute to crop yield improvement and sustainable agriculture.
Scientists have designed human-made molecules that self-assemble into stacked rings, allowing charge and energy to circulate freely, echoing photosynthesis. This breakthrough could lead to improved energy generation and advanced electronics.
A study by Osaka Metropolitan University reveals six neighborhood-units in Kyoto's southeastern area have a disrupted balance between residences and accommodations, with hotspot locations near transportation hubs. Effective zoning policies are recommended to address overtourism's adverse social effects.
A portable and highly sensitive ethanol sensor has been developed using a copper-based metal–organic framework thin film, enabling precise optical measurements without complex lab equipment. The sensor can visually detect varying ethanol levels, even at low concentrations, and can be integrated with a smartphone app for easy use.
A space-saving version of boccia, called Boccia XR, has been developed as a rehabilitation program for older adults. Participants showed improved moods, vitality, and energy after experiencing both Boccia XR and traditional boccia, with increased muscle activity in the rectus femoris during both types of boccia.
Researchers at Osaka Metropolitan University found that plasma-activated medium reduces synovial sarcoma tumor growth in human cells and mice, with no obvious side effects. The treatment was verified through in vitro and in vivo tests, offering a new potential treatment option for this rare form of cancer.
A study analyzed per capita municipal expenditures and their correlation with population changes in small and medium-sized cities in Japan. The results revealed that prioritizing child welfare expenditures is a key strategy to sustain populations, while city planning expenditures on street maintenance and construction were also effective.
A new method for DNA detection uses heterogeneous probe particles and laser light to accelerate genetic analysis. This PCR-free technique offers greater sensitivity and speed than traditional methods, making it more accessible for medical, environmental, and personal health applications.
A recent meta-analysis found that generative AI's diagnostic accuracy is lower than that of specialist doctors, with an average accuracy of 52.1%. The study suggests that while generative AI has the potential to support non-specialist doctors in diagnostics, further research is needed to improve its capabilities.
Researchers detected widespread contamination of retail chicken meat in Bangladesh with antibiotic-resistant E. albertii, a lesser-known but deadly pathogen. The study highlights the need for improved hygiene measures and stricter regulations to prevent foodborne infections.
Researchers at Osaka Metropolitan University developed an autonomous driving algorithm for robots to navigate raised cultivation beds, utilizing lidar point cloud data. The system enables precise movement and accuracy in both virtual and actual environments, promising to expand tasks beyond harvesting to monitoring and pruning.
Researchers from Osaka Metropolitan University developed an explainable AI model for ship navigation that explains the basis for its decisions and intentions using numerical values. This technology aims to increase trust among maritime workers and contribute to the realization of unmanned ships.
Researchers found that introducing moderate natural light into the bedroom before waking improves wakefulness and reduces sleepiness. The study suggests controlling natural light in the sleep environment may help promote a more comfortable awakening.
A novel selective medium was developed to isolate Escherichia albertii, a previously uncharacterized species. The CT-PS-XR-MacConkey agar selectively differentiated E. albertii from other bacteria, including those in food samples. This finding has significant implications for the identification and study of this pathogen.
A study by Associate Professor Mitsuko Tanaka found that a good group work environment significantly increases motivation among English language learners, regardless of individual factors. The research suggests that educators should prioritize environmental preparation for successful project-based learning outcomes.
An 11-year-old Asian small-clawed otter developed left-sided paralysis after a fall, but improved with treatment for a suspected fibrocartilaginous embolus. Follow-up MRI showed a diminished lesion one year later.
Researchers developed a machine learning-powered fluid simulation model that significantly reduces computation time without compromising accuracy. The new surrogate model maintains the same level of accuracy as traditional particle-based simulations while reducing computation time from approximately 45 minutes to just three minutes.
The Ottoman Empire's recognition of diverse religions was a means to monitor and control non-Muslim populations. Research by Osaka Metropolitan University Associate Professor Masayuki Ueno found that this 'tolerance' was actually a form of control, utilizing public presence of religious diversity to conduct surveillance.
Researchers at Osaka Metropolitan University identified the CcMCA1 gene as a key player in the development of haustoria, structures that allow Cuscuta campestris to feed on host plants. Suppressing this gene expression can reduce the number of haustoria per centimeter, offering potential for controlling invasive plant species.
A study conducted at Osaka Metropolitan University found that the opening of a multifunctional facility called ONIKURU significantly increased residents' daily walking time, especially among female young adults. The results suggest that such architecture-scale interventions can contribute to building health-promoting environments.
The Super-Kamiokande and T2K Collaborations present a joint measurement of neutrino oscillation parameters using atmospheric and beam neutrino data. The analysis finds a 1.9𝜎 exclusion of 𝐶𝑃 conservation and a 1.2𝜎 exclusion of the inverted mass ordering.
Researchers found that ultrafine bubble showers significantly suppressed inflammation in mice with atopic dermatitis caused by external factors. The treatment also improved skin protective barrier proteins. However, no significant effects were seen in mice with atopic dermatitis caused by genetic factors.
Researchers at Osaka Metropolitan University developed an engineered yeast that can produce record-high yields of D-lactic acid from methanol, a key compound used in biodegradable plastics and pharmaceuticals. The optimized yeast strain achieves a 1.5-fold boost in production compared to other methanol-based methods.
The Asia-Pacific region's H. pylori treatment practices show a growing consensus on primary and secondary prevention, but differences in antimicrobial resistance and medical resources persist. Establishing uniform standards for gastric cancer prevention will be crucial to addressing these disparities.
Researchers from Osaka Metropolitan University used a deep learning model to discover new bubble-like structures in the Milky Way galaxy, providing insights into star formation and galaxy evolution. The study also revealed shell-like structures formed by supernova explosions.
A new self-assessment questionnaire has been developed to evaluate the progress of novice nurses during on-the-job training. The Modeling Scale for Novice Nurses assesses four subscales and 21 Likert scale questions to understand the nurses' behavior and growth, enabling senior nurses to provide targeted support.
Historical analysis of bureaucracy suggests that quality nation-building holds more importance than democratic institutions in economic growth. The study found a negative correlation between universal suffrage and the quality of current institutions in nations with low-quality bureaucracies.
Researchers at Osaka Metropolitan University developed new formulas to calculate key quantum informative quantities, including entanglement entropy and mutual information. These simplified expressions offer fresh perspectives into quantum behaviors in materials with different physical characteristics.
A new method of biometric authentication has been developed using hyperspectral imaging and AI to identify individuals through the unique patterns in their blood vessels on the palm of their hand. The technology shows great promise for secure personal identification and could potentially be used as a key to unlock homes.
A study by Dr. Haruka Kato found that households with children during the COVID-19 pandemic prioritized migration destinations with favorable communities and strong community ties. Social interaction-related factors emerged as significant determinants of migration, contrasting with work, environment, and housing determinants.
Scientists have uncovered the molecular structure of Mycoplasma mobile's twin motors that power its gliding ability, using cryo-electron microscopy. The complex structure reveals a new mechanism by which energy from ATP hydrolysis is converted into motility.
Research finds over 25% of Egyptian milk and dairy products contain E. coli, with one strain causing a Japanese school outbreak; experts hope for effective treatment and prevention methods.
Researchers at Osaka Metropolitan University have successfully generated feline embryonic stem cells, a major breakthrough for veterinary regenerative medicine. The high-quality stem cells can differentiate into various cell types and be transplanted to restore internal damage.