A joint research team from Tokyo University of Agriculture and Technology and the University of Hawaiʻi at Mānoa has cultivated Japanese rice varieties on Kauaʻi using an upland cultivation method. The results showed that strong solar radiation and warm temperatures boosted yield, quality, and grain appearance.
A research team from Tokyo University of Agriculture and Technology has developed a new type of photodetector that achieves impressive responsivity and detectivity. The device uses highly ordered superlattices to overcome the limitations of traditional quantum dot-based photodetectors.
Researchers discovered yaku'amide B induces CD9 degradation, a cancer stem cell-related protein, in addition to inhibiting ATP synthase, leading to cellular energy depletion and cancer cell suppression. This natural compound has potential as a new therapeutic approach for cancer treatment.
A team of researchers at Tokyo University of Agriculture and Technology has developed a scaling model for transitional pressure development during acceleration. The study combines the incompressible and compressible flow theories to create a unified model that can be applied universally to various floors and liquid types.
Researchers at Tokyo University of Agriculture and Technology developed an explainable AI model to classify videos of splashing and non-splashing drops. The model achieved a success rate of 92% for low-viscosity liquid and 100% for high-viscosity liquid, revealing key differences in droplet behavior during impact stages.
Female high-school students with sub-threshold ADHD and autism traits experience worsened mood swings, irritability, bloating, and fatigue before menstruation. These findings highlight the need for better support systems to address PMDD's impact on school adjustment, performance, and relationships.
Veterinary researchers used 3D organoids to investigate lung cancer in dogs, finding that canine primary lung cancer organoids faithfully mirrored tumor tissues. The study identified correlations between organoid cell viability and specific target molecules, paving the way for personalized treatment approaches.
Researchers developed a method to predict rice yield using smartphone photos, showing 68% accuracy and comparable results to satellite data. The model's simplicity makes it suitable for mobile devices and can be easily transferred to other crops.
Researchers found a high incidence of systemic amyloidosis in Japanese squirrels, characterized by severe glomerular amyloid deposition. The study suggests that fibrinogen Aα-chain is a precursor protein and the amino acid sequence plays a crucial role in maintaining protein stability.
Scientists studied fluid dynamics to understand interfacial tension, a force affecting mixing of liquids. Their numerical simulation revealed a non-monotonic relationship between flow strength and hydrodynamic instability, overturning conventional wisdom.
Researchers have developed a novel DNA-filtering system using α-hemolysin nanopores to reduce contamination in single-molecule DNA extraction. The technique, which uses phospholipids and the PCR clamp method, achieved a 99.98% reduction in DNA contamination.
A research team from Tokyo University of Agriculture and Technology has developed an image-based AI model to predict the deformation of a splashing drop. The trained encoder-decoder successfully generated image sequences that show the deformation of a drop during impact, demonstrating accurate predictions.
A novel biorefinery process has been developed to minimize the usage of external utilities by reusing by-products from biomass production. The process successfully reduced the total process energy and supplied it by itself, as well as utilizing excess solid by-products for building materials and other purposes.
Researchers at Tokyo University of Agriculture and Technology discovered a novel amyloid protein, α-S1 casein, which can cause disease in humans. The study found that overexpression and N-terminal truncation of α-S1-casein led to its formation as an amyloid protein.
Researchers found parotoid gland sizes were significantly smaller in urban toads compared to rural populations, while body mass was not different. Urbanization also caused increased sexual dimorphism in leg length.
Researchers at Tokyo University of Agriculture and Technology developed a new method to generate nano-sized plasma mist, which could be used in transdermal drug delivery systems. The method is safer than traditional electrostatic spray and has the potential to treat internal organs.
Researchers developed a method for detecting cancer miRNA patterns using DNA computing technology, enabling simple and early cancer diagnosis from liquid biopsies. The technology uses nanopore decoding to recognize cancer-specific expression patterns even at extremely low concentrations of miRNA.
Researchers developed live-cell imaging to study chromosome segregation errors and their impact on embryonic development. They found that micronucleus formation during early cleavage division is a potential hallmark of preimplantation embryonic loss in cattle.
A new mathematical model has been developed to reproduce the experimental results of topological change in a partially miscible VF pattern. The researchers successfully incorporated phase separation effects and the Korteweg force into the classical miscible VF model.
A Tokyo University of Agriculture and Technology research team finds that changes in viscoelastic properties affect flow dynamics differently depending on gel elasticity, leading to a reversal of flow effects. This discovery opens new avenues for controlling flow dynamics using chemical reactions.
Researchers at Tokyo University of Agriculture and Technology discovered that double-stranded RNA molecules can activate the immune system response leading to bone deterioration in gum disease. The study found that dsRNA triggers the differentiation of osteoclasts, cells responsible for breaking down bone, leading to increased bone ero...
A recent study found that COVID-19-derived plastic debris is contaminating marine ecosystems, with sea turtles being particularly affected. The research analyzed fecal samples from 76 sea turtles and detected the presence of face masks, which can leach endocrine-disrupting chemicals into the environment.
Scientists have grown rousette bat 'organoids' that reproduce intestines in vitro, providing a new model for studying virus-bat relationships. The organoids were found to be susceptible to certain viruses but not others, offering insights into why bats can host multiple pathogens without getting sick.
Researchers in Japan have designed the first de novo-designed peptides that can form artificial nanopores to identify and enable single molecule-sorting of genetic material in a lipid membrane. The peptides can detect specific molecules, including DNA, and have the potential to mimic natural proteins' ability to detect specific proteins.
A study found that seabirds around the globe consume up to 52% of plastic, leading to accumulation of its chemical components in their bodies. Researchers analyzed oil from preen glands and stomach contents of bird carcasses to determine contaminant burdens.
Researchers at Tokyo University of Agriculture and Technology developed a simple and rapid method to detect amyloid protein in bovine livers using fluorescence fingerprint analysis. This approach allows for quick processing and accurate detection of AA amyloidosis, potentially leading to more efficient diagnostic tools for this disease.
A Japanese collaborative team presents a novel method for tuning hydrodynamic interfacial instability through a thermodynamic parameter controlling liquid–liquid phase separation. They successfully predict pattern changes of a growing interface by applying the maximum entropy production principle.
Researchers found that both Gram-positive and Gram-negative bacteria induce the resorption of alveolar bone, a key component of periodontal tissue. The study suggests that positive and negative bacteria are responsible for periodontitis symptoms.
A new study found that extract made from fermented soybean dish natto inhibits the ability of SARS-CoV-2 to infect cells, while a heat-treated extract showed no effect. Researchers believe this could lead to pharmaceutical design for COVID-19 treatments.
Researchers found that spontaneous transient depolarization decreases reactive oxygen species production by inhibiting sustained matrix pH elevation. The study proposes a model where increased matrix pH facilitates moving more protons from outside the matrix into the matrix, controlling oxidative stress in cells.
Researchers at Tokyo University of Agriculture and Technology developed ultra-short collimating metalens that can manipulate terahertz waves, enhancing directivity by three times. The technology has promising applications for short-range data exchanges and may support emerging 6G wireless communications.
A team of researchers from Tokyo University of Agriculture and Technology has developed a new approach to identifying and tagging specific proteins. They used multivalent gold nanoparticles as a scaffold to attach carbohydrate ligands and electrophiles, which allowed them to highly efficiently and selectively label carbohydrate-binding...
An international team has discovered a persistent pattern formation dynamics in viscous fingering, a phenomenon relevant to oil recovery and spreading of groundwater. The study's findings show that the pattern is different from classical radial and rectilinear forms.
A team of researchers discovered that G-quadruplex (G4)-forming DNA binds myoglobin through a parallel-type G4 structure, increasing its enzymatic activity over 300-fold. The study suggests that DNA may work as a regulator of protein functions in cells.
Researchers successfully tested a reflectionless, highly refractive index metasurface made of micro-sized cut metal wires for use in terahertz waveband applications. The metasurface has a high refractive index and low reflection at 3.0 THz, enabling potential uses in 6G wireless communications and other commercial applications.
Researchers at Tokyo University of Agriculture and Technology modeled dynamic instability in tractor operation, revealing that self-excited oscillations can arise when the tractor pushes against the ground. The model showed that power hop can occur based on draft load, soil, and tire conditions.
Researchers found that Amami tip-nosed frog altered its hind limb length in response to the invasive mongoose, with longer legs potentially aiding escape. The frog's endurance also increased under strong predation pressure from the mongoose, but not its burst movement ability.
Researchers have developed a new biocontrol method to protect rice seeds against the devastating fungal infection bakanae disease, which affects up to half of all rice crops worldwide. The non-pathogenic fungus outcompetes the disease-causing fungus on rice seeds.
Researchers at Tokyo University of Agriculture and Technology developed a new method using easily assembled gold nanoparticles to rapidly understand molecular mechanisms. This approach streamlines the laborious process of identifying target proteins for bioactive small molecules, which can be used in pharmaceutical treatments.
A bio-pesticide made from safflower and cottonseed oils has been found to work against two-spotted spider mites by preventing their embryo from rotating within its eggshell for hatching. This allows the pesticide to spare the mites' natural predators, making it a promising eco-friendly solution for farmers and gardeners.
Researchers from Tokyo University of Agriculture and Technology developed rotational varifocal moiré metalens that can tune focal length along a wider range than previously seen. This breakthrough could lead to ultra-compact imaging systems for future smartphones, virtual reality goggles, drones, or microbots.
Researchers at Tokyo University of Agriculture and Technology developed a new method for recovering heavy oil, achieving 55% recovery compared to 35-33% with alkaline water or regular water. The method uses a viscoelastic material to improve sweep efficiency.
Researchers discovered a topological change in viscous fingering, driven by partially miscible liquids, which was not previously seen. This phenomenon has significant implications for understanding fluid displacement in porous media and processes such as oil recovery and CO2 sequestration.
A team at Tokyo University of Agriculture and Technology has developed a system to produce true holographic three-dimensional images appearing mid-air, viewable from most angles in the room. The proof of concept uses metasurface materials that can manipulate light, allowing for a genuine holographic movie.
Researchers at Tokyo University of Agriculture and Technology have developed a nanopore technique that can detect single-point mutations in circulating tumor DNA (ctDNA) with high accuracy. The method uses statistical analysis to identify the position of genetic mutations, paving the way for earlier and safer tumor detection.
Researchers at Tokyo University of Agriculture and Technology develop a novel collimator using a specially designed metasurface, enabling efficient manipulation of terahertz waves. This breakthrough has significant implications for next-generation wireless communications, security systems, biomedicine, and cultural heritage science.
Research from Tokyo University of Agriculture and Technology found that light pollution can significantly increase the number of insects consumed by invasive cane toads. The study, published in Scientific Reports, used outdoor enclosures with artificial lights to test the impact on the toad's diet.
Researchers discovered a mechanism by which blood vessels' inner liner grows in response to transient increases in blood pressure. This process may lead to therapeutics that cut off tumors or help rebuild damaged vessels. The study's findings have implications for combating tumor growth and disease.
Researchers at Tokyo University of Agriculture and Technology have developed a new cell culture process that can replicate cancer cells from diseased bladder tissue in dogs, allowing for more efficient cancer research. This breakthrough method enables the diagnosis and treatment of cancer without using costly stem cell products or trad...
A ten-year study on Asian black bears reveals diet variations based on age, sex, and seasonally abundant resources. Older bears are more carnivorous, while adult males consume more deer due to larger body mass.