Researchers at Pohang University of Science & Technology (POSTECH) have discovered the mechanism behind catalyst transformation, revealing a pathway for improved fuel cell performance. The study found that PBMO catalysts exhibit enhanced stability and conductivity when transforming from perovskite to layered structures.
Researchers directly observed the evolution of coherence energy scale in a strongly correlated material, clarifying the principle behind it. The study used ARPES and first-principle calculation to verify the kink behavior of electronic band structure, linked to Hund's coupling and coherence energy scale.
A team of researchers at POSTECH has successfully developed a high-energy-density cathode material that can stably maintain charge and discharge for over 500 cycles without the expensive and toxic Co metal. This breakthrough enables long-distance electric vehicle travel.
Researchers successfully filmed and restored the 3D structure of nanoparticles that share structural similarities with viruses using X-ray free electron laser (XFEL) and machine learning. This breakthrough enables high accuracy and speed imaging of viruses, opening new avenues for understanding their structures.
A new AI algorithm enabled a fully automated artificial pancreas system to achieve improved glucose control without manual input of meal or exercise information. This breakthrough could lead to more efficient and hassle-free diabetes management.
A research team at POSTECH created a novel type of multiscale-porous anion exchange membrane to concentrate only cationic samples. This breakthrough allows for the easy fabrication of a cation-selective electrokinetic concentrator, streamlining manufacturing processes.
A research team at Pohang University of Science & Technology has developed ultra-high refractive index lenses using visibly transparent amorphous silicon. The new material allows for the control of all visible light colors, enabling more efficient and cost-effective virtual and augmented reality devices.
A research team at Pohang University of Science & Technology has uncovered the mechanism for regulating T cell differentiation via intestinal epithelial cells. This finding highlights the importance of intestinal immune homeostasis and suggests a new role for PD-1 signaling in CD4+ T cell differentiation into intraepithelial lymphocytes.
Researchers at Pohang University of Science & Technology developed a multi-functional separator to trap moisture and impurities in lithium-ion batteries. This breakthrough allows for battery assembly in ambient air, reducing costs and improving performance, with excellent heat resistance and electrochemical stability demonstrated.
A research team at Pohang University of Science & Technology developed a switchable display device using nanostructures that can encrypt full-color images depending on the polarization of light. The device boasts high resolution (approximately 40,000 dpi) and wide viewing angle while being thin.
A POSTECH research team has developed a CMOS-compatible 3D ferroelectric memory with ultralow power consumption and high speed. The new material and structure ensure low power consumption and high speed, achieving speeds several hundred times faster than conventional flash memory.
Researchers at Pohang University of Science & Technology have developed a highly efficient nickel-based catalyst system that produces high-purity hydrogen fuel with reduced overvoltage. The catalyst combines earth-abundant nickel with oxophilic transition metal elements to optimize adsorption abilities.
Researchers at POSTECH developed a new liquid metal ink that can withstand harsh deformation and maintain electrical conductivity, enabling the creation of flexible electronics. The ink was successfully printed on various substrates, displaying negligible resistance changes even when stretched up to 500%.
Researchers developed nanocrystals with a unique surface texture that increases mobility and generates reactive oxygen species lethal to bacteria. The system is effective in killing embedded bacteria resistant to antibiotics and can be easily controlled.
The study confirms that nutrient imbalance in northeast Asian waters is disrupting phytoplankton species and marine ecosystems. Nitrogen pollutant inflow since the 1980s has led to changes in oceanic conditions, particularly near Ieodo Ocean Research Station.
Researchers have developed reconstituted in-vitro human organs called assembloids, which precisely mimic the structure and function of human tissues. The new technology surpasses current organoid technology by modeling complex diseases like cancer and neurological disorders.
A research team at POSTECH has successfully measured and controlled the phase of second-harmonic generation (SHG) in 2D materials, opening new possibilities for nonlinear spectroscopic control methods. The study uses heterobilayer materials to create light with twice the frequency of vibration and controlled phase.
A new magnetic memory device based on spintronics has been developed to enhance the energy efficiency of SOT-MRAM. The device uses ultrathin iron germanium telluride material that switches from a hard magnet to a soft magnet when a small current is applied.
A POSTECH research team identified the mechanism behind neurological diseases such as dementia, autism, and schizophrenia. They found that BDNF regulates AMPA receptors, which are crucial for synaptic function in nerve cells. The study provides clues to treating development or degenerative brain diseases like autism and dementia.
Researchers at POSTECH developed organic spacer molecular additive to improve perovskite solar cells' photoelectric efficiency and stability. The new material reduces internal defects and increases moisture resistance, achieving 21.3% efficiency and maintaining over 80% of initial performance under humid conditions.
Scientists at POSTECH have created a multimodal ion-electronic skin that can measure both temperature and mechanical stimulation simultaneously. This breakthrough could lead to the development of wearable temperature sensors and artificial skin for humanlike robots, potentially restoring the sense of touch in patients with tactile sens...
A research team at Pohang University of Science & Technology developed a technique for predicting the phase and properties of high-entropy alloys using AI. The technique, which uses deep learning, improves the accuracy of phase prediction and provides guidance on key design parameters.
Researchers developed biodegradable esophageal stents using 3D printing to treat radiation esophagitis, promoting tissue regeneration and mitigating inflammatory reactions. This breakthrough could improve patient outcomes and quality of life for those suffering from this condition.
A research team at POSTECH developed a machine learning technique that uses transcriptome information from artificial organoids to predict anti-cancer drug response. This method increases predictive accuracy by selecting only relevant biomarkers, which was previously limited by false signals in conventional machine learning.
A POSTECH research team has developed a faster charging and longer lasting battery material for electric cars. They proved that forming an intermediate phase during charging and discharging can generate high power without losing energy density or reducing particle size, enabling the development of long-lasting Li-ion batteries.
Researchers at POSTECH developed thin-film organic photodiodes with accurate and simple junction engineering, controlling spectral response of wavelengths. This innovation enables the production of color-filter-free optical sensors, a significant advancement in replacing silicon photodiodes.
A joint research team from POSTECH and Korea University has developed a daytime radiative cooling effect that exhibits lower temperatures than its surroundings even during the day. The new material, produced in centimeters, showed a cooling efficiency of up to 6.1°C during strong sunlight.
Researchers from Pohang University of Science & Technology (POSTECH) used artificial intelligence to create novel materials for memory devices. By controlling atomic structures, they discovered a unique ferroelectricity pattern, leading to the synthesis of a new material with unprecedented properties.
A research team at Pohang University of Science & Technology has developed a technology that allows for the rapid harvesting of human bone marrow-derived mesenchymal stem cell sheets using poly(N-isopropylacrylamide) (PNIPAAm) nanotopography. This breakthrough reduces the harvest time from one week to just two days, making it possible ...
A team of researchers at Pohang University of Science & Technology developed a SENSR technology that enables fast and accurate COVID-19 diagnosis using RNA sequence detection. This technology can diagnose infections in just 30 minutes, allowing for faster treatment and reducing stress on healthcare systems.
A joint research team has developed an ultrasensitive sensor that can detect microwaves with high sensitivity, enabling the commercialization of next-generation technologies like quantum computers. The device uses graphene and a Josephson junction to measure microwave photons absorbed per unit time.
Researchers at Pohang University of Science & Technology developed a novel immunotherapy platform called imuGlue, which connects mussel adhesive proteins to antibodies used in immune checkpoint inhibitors.
A POSTECH research team developed a technology to freely change structural colors using IGZO-based color filter, enabling low-power displays and quick color adjustments. The device can transmit vivid colors with extremely low light loss.
Researchers have discovered that innate T cells, responsible for biodefense, share the same developmental pathway despite having distinct functions. This finding has significant implications for immunotherapy using MAIT and gamma-delta T cells to treat various diseases.
Researchers at POSTECH have developed a new type of sandwich catalyst that can efficiently generate hydrogen energy through water electrolysis. The catalyst shows high activity and durability, outperforming conventional materials, with the potential to be applied to cost-effective hydrogen production processes.
A research team developed an AI system that recommends process conditions for plastic injection molding, enabling the creation of various shapes in real-time. The system achieved an average relative error of 0.66% and can be used by non-experts to produce uniform results.
Researchers at POSTECH developed a remote magnetic-sensitive artificial catalyst called MAG-NER, which shows high catalytic efficiency within living cells. The catalyst transforms non-fluorescent reactants into fluorescent products through implanting MAG-NER into living cells and applying alternating magnetic fields.
A new purification technique using molecular affinity interaction has been developed to purify therapeutic proteins with high efficiency and purity. The technique uses synthetic host molecules cucurbit[7]uril and adamantane to secure manufacturability, sterilization, and recyclability of purified materials.
A new species of darkling beetle larvae discovered in East Asia can degrade polystyrene, a material notoriously difficult to decompose. The larvae's unique gut flora contains a simple group of bacterial species that oxidize and change the surface property of polystyrene.
Researchers have discovered a new higher-order topological insulator, WTe2, which exhibits metallic hinge states and is promising for spintronics. The team used Josephson junctions to visualize the supercurrent flow and found evidence of hinge states on the sides of the material.
A team of researchers at POSTECH has developed a new type of semiconductor memory that uses a two-dimensional layered structure material, which can operate stably at low power consumption. The material, CsPb2Br5, showed improved stability and performance compared to traditional materials, with memory characteristics maintained over 140°C.
A research team at POSTECH developed a new catalyst that improves the durability of automotive fuel cells when shut down. The Pt/HxWO3 catalyst promotes hydrogen oxidation and selectively suppresses oxygen reduction reactions, solving the corrosion issue.
Researchers found that nanofiber masks can be reused up to 10 times after spraying ethanol, while melt-blown filters lose efficiency after cleaning. This process inhibits pathogens and maintains air filtration rate.
Researchers at POSTECH developed a variable color filter using metal-hydrogel-metal resonator structure and combined it with solar cells to create a self-powering humidity sensor. The sensor detects changes in surroundings by converting light's energy into electricity, making it suitable for use in IoT technology.
A recent study reveals that volcanic eruptions in the tropics lead to a decrease in global precipitation, primarily through the amplification of El Niño. The research found that the strength of El Niño is directly related to the magnitude of precipitation reduction.
A South Korean research team has developed moldable nanomaterials and a one-step printing technology to produce ultrathin metalens that are 100 times thinner than human hair. The new technology reduces production costs by 1/100, making VR/AR devices more accessible.
Plant breathing reduces Arctic land surface temperature, but rising CO2 accelerates warming by closing stomata and reducing transpiration. This study confirms the physiological forcing effect on Arctic climate system, estimating that 10% of greenhouse effect is caused by plant stomatal closure.
A research team at Pohang University of Science & Technology has developed an integrative cancer therapy using adoptive natural killer cell therapy and chemotherapy. The new method enhances the effectiveness of cell therapy in treating solid cancers by selectively releasing anticancer drugs, reducing side effects.
Researchers at Pohang University of Science & Technology developed smart contact lenses that can detect diabetes and treat diabetic retinopathy by controlling insulin secretion with electrical signals. The lenses verified accurate glucose level detection in tears of diabetic rabbits.
A team of researchers has developed a groundbreaking 'cardiac patch with bioink' to repair heart damage. The patch uses genetically engineered stem cells and 3D bioprinting technology to enhance vascular regeneration and improve myocardiocyte survival. The innovative method has shown promising results in treating myocardial infarction.