A research team at Pohang University of Science & Technology (POSTECH) has developed a new type of polymer ionic conductor that can be stretched and crumpled by water. This innovation enables the creation of stretchable thermometers that can measure body temperature with simple contacts, such as wearing clothes or shaking hands.
A new technology has been developed to collect and convert static electricity into usable energy, which can be used to power devices such as sensors and calculators. The researchers successfully increased the amount of energy generated by a 'triboelectric nanogenerator' using a nanoimprinting process and poling technique, achieving a c...
Researchers at Pohang University of Science & Technology developed a multifunctional meta-hologram that can create different hologram images depending on the direction of light incident on the device. The new meta-hologram demonstrated diffraction efficiency higher than 60% and high-quality images were observed.
Researchers at POSTECH have discovered the key to strong underwater mussel adhesion, finding that Dopa and Lysine molecules work together in a synergistic effect. Their study used molecular biology techniques to analyze adhesive proteins in mussels and confirmed two molecules with strong adhesion even in underwater conditions.
The team created a cucurbituril-based host-guest complex that polymerized into a linear chain and then associated into a hollow microtubule via van der Waals interactions. This breakthrough mimics the formation mechanism of natural microtubules, essential for cellular functions.
Researchers developed a smart photonic contact lens that measures glucose concentration in conjunctival blood vessels, enabling diabetic diagnosis. The device also shows promise for treating diabetic retinopathy by reducing angiogenesis and verifying clinical feasibility.
A recent study published in Science Advances finds that global warming is the primary cause of extensive wildfires in Siberia. The research reveals that climate conditions, such as changes in atmospheric pressure and temperature, play a crucial role in fire spread.
A new photoacoustic microscopy system developed by researchers at Pohang University of Science & Technology (POSTECH) can image blood vessels with high resolution and speed. This system enables real-time monitoring of blood flow, which is significant for diagnosing and treating stroke and cardiovascular diseases.
Researchers from POSTECH have successfully developed a flexible battery with thin and three-dimensional organic electrode, increasing energy density by four times. The new technology uses a three-dimensional copper collector to lower the weight of a battery by 10 times more than conventional copper collectors.
Researchers developed a photoacoustic (PA) thermometry system for HIFU treatment guidance, enabling real-time monitoring of temperature increase at tumors during treatment. The system allows for simultaneous ultrasound imaging, PA imaging, and PA thermometry, enhancing the accuracy and safety of HIFU treatments.
A new imaging technology assesses conjunctival goblet cells with high definition and contrast, overcoming limitations of existing methods. This non-invasive approach enables precise diagnosis of dry eye syndromes and evaluation of treatment effects, paving the way for precision medicine.
The study reveals that electrochemical reactions between water and oxygen can control the physical properties of graphene and other two-dimensional materials. This discovery has significant implications for developing flexible displays, high-speed transistors, and next-generation batteries.
Researchers from POSTECH successfully developed a photodiode with increased absorption of the near-infrared light by using the hourglass principle. The new device has been shown to have 29% increased near-infrared photoreseponse and less than 1% error rate in heart-rate measurement.
Researchers at Pohang University of Science & Technology discovered a mechanism by which microbiota signals are transmitted to the entire body, controlling hematopoiesis in the bone marrow. This process involves CX3CR1+ mononuclear cells recognizing microbiota signals and releasing cytokines that stimulate the immune system.
A research team led by Prof. Rho developed a simultaneous inverse design of metamaterials using deep learning, allowing for arbitrary photonic structure designs and significant reduction in design time.
Researchers developed a method to predict disease-associated variant (DAV) impacts using evolutionary coupling analysis. This approach identifies DAVs at less-conserved sites that current methods miss, enabling discovery of new biomarkers and therapeutic targets.
Researchers at Pohang University of Science & Technology developed a skin-attachable vibration sensor for accurate voice recognition. The sensor can quantify voice pressure and recognize speech without ambient noise or sound distortion.
A new microorganism, Vibrio sp. dhg, has been successfully developed to rapidly metabolize alginic acid in algae and genetic engineering techniques optimized for this new microorganism based on omics analysis.
A team of researchers has developed a nano-sized hydrogel that can scavenge nitric oxide and effectively treat rheumatoid arthritis. The hydrogel was shown to be more effective than current therapeutic drugs in suppressing the onset of the disease, with minimal side effects.
Researchers at Pohang University of Science & Technology developed an artificial cornea using 3D printing technology, replicating the human corneal structure. The cornea is made from decellularized corneal stroma and stem cells, offering transparency similar to the human cornea.
Researchers at Pohang University of Science & Technology developed an innovative Antenna-on-Display (AoD) technology that embeds antennas within super-resolution displays. This technology eliminates the trade-off between ergonomics, esthetics, and technology in 5G smartphones, enabling the deployment of new concepts for 5G devices.
A team of researchers at POSTECH has developed a fluorescent probe called BacGo that can detect Gram-positive bacteria precisely and promptly. The probe is more sensitive than the traditional Gram staining method, which has several limitations, including slow detection and limited selectivity against Gram-positive bacteria.
Researchers at Pohang University of Science and Technology have found a way to predict El Niño conditions up to 17 months in advance. Changes in Atlantic Ocean sea surface temperatures can trigger La Niña, which affects global weather patterns.
Researchers at Pohang University of Science & Technology have discovered the role of matrix protein Pif80 in nacre formation, a biomineral with exceptional fracture resistance. The study sheds light on the biomimetic materials that can be created using nacre properties.
Research by Jin-Soo Kim and Professor Jong-Seong Kug found that warmer Arctic temperatures trigger cooler winters and springs in North America, weakening vegetation growth and lowering carbon uptake capacity. This can lead to greater damages to ecosystems due to cold and dry spells.
Researchers developed a cost-effective method to produce biomimetic structural colors, overcoming previous limitations and enabling large-scale and flexible fabrication. The technique uses quasi-ordered scattering and can be fine-tuned by controlling synthesis conditions.
Chulhong Kim, a POSTECH Associate Professor, has received the IEEE-EMBS Early Career Achievement Award for his contributions to biomedical imaging. His lab developed world-first photoacoustic gastro-intestinal tract imaging using organic agents.
Researchers at Pohang University of Science & Technology have developed a scalable fabrication process for large-scale hyperlens devices using nanoimprint lithography. This breakthrough enables the creation of sub-diffraction features down to 160 nm, paving the way for practical super-resolution imaging in various fields.
Researchers from Pohang University of Science and Technology have discovered solitary perturbations (SP) structures that correlate with pedestal collapse in magnetized toroidal plasma. This finding provides new insights into the mechanisms behind reliable nuclear fusion.
Researchers from Pohang University of Science & Technology have discovered the critical role of RNA quality control mechanism NMD in longevity of C. elegans. Decreased NMD activity and downregulated yars-2 gene contribute to long lifespan, suggesting its potential in combating age-related diseases.
Researchers at Pohang University of Science and Technology have developed an environmentally friendly method to apply a superhydrophobic layer using commercially available salt particles, polydimethylsiloxane, and water. This coating exhibits ultrahydrophobic characteristics similar to the 'lotus effect', allowing for applications in a...
Researchers at Pohang University of Science & Technology have developed a low-crystalline conducting polymer that shows high-field effect mobility, enabling faster charge transport without compromising mechanical properties. This breakthrough opens up new possibilities for soft electronics and wearables.
Researchers have made significant breakthroughs in perovskite solar cells by developing a hydrophobic conducting polymer that improves efficiency and stability without additives. The new cells retain high performance over two months in humid conditions, paving the way for commercialization.
Researchers identified human fingerprint on Indo-Pacific warm pool growth using climate model simulations and fingerprinting technique. Human-induced greenhouse gas increase is the dominant cause of IPWP warming and expansion, with a small contribution from natural climate variability.
POSTECH researchers developed an organic nanofiber-based artificial synapse that emulates both important functions and energy consumption of biological synapses. The device enables high memory density and low energy consumption, potentially leading to advancements in AI computing and neuromorphic electronics.
POSTECH researchers found sensory neurons modulate aging hormone activity through food smells and tastes, shortening lifespan. Insulin-6 produced by sensory neurons alters FOXO protein action, leading to reduced aging effects.
Researchers developed a new n-type semiconducting polymer with superior electron mobility and oxidative stability, boosting charge transport in polymer semiconductors. The modified polymer formed a superstructure composed of polymer backbone crystals and side-chain crystals, resulting in high semicrystalline order.
Lab-on-a-chip devices require precise fluid manipulation to operate various functions. Researchers have developed a control algorithm that improves accuracy and stability of flow regulation without requiring tuning process.
Researchers identified SH2 domains as lipid-binding modules for cell signaling. The interaction is evolutionarily conserved and plays a crucial role in controlling intracellular signal transmission.
Researchers at Pohang University of Science & Technology have observed high coercive field and activation energy in ferroelectric polarization switching of orthorhombic GaFeO3 on cubic and hexagonal substrates. This finding explains the discrepancy between measured and predicted remanent polarization values.
Researchers at Pohang University of Science & Technology developed a miniaturized solid oxide fuel cell that can power drones for more than an hour. The fuel cell's high power density and durability make it suitable for portable electronic devices, including smartphones and laptops.
A team led by Prof. Tae-Woo Lee at POSTECH has fabricated highly-efficient solution-processed fluorescence organic light-emitting diodes (OLEDs) using pure-organic thermally-activated delayed-fluorescence (TADF) emitters. This breakthrough reduces the need for precious metals, lowering production costs.
POSTECH researchers have developed a rapid printing technology for high-density and scalable memristor arrays composed of cross-bar-shaped metal nanowires. This technology enables the fabrication of microminiature memristors with excellent electrical performance and reproducible resistive switching behavior.
Researchers created a mechanically durable hydrogel using an elastic silk-like protein called aneroin, which has improved mechanical properties compared to collagen and silkworm silk. The aneroin hydrogel provided an adequate environment for cell growth, proliferating mammalian cells with healthy morphology.
Researchers at POSTECH developed a virtual K-pop dance teacher using precise 3D body joint tracking, allowing for accurate evaluation of dance movements. The system can track 15 human joints and monitor similarity to professional dancer movements, providing a score-based monitoring method.
Korean scientists developed a light-activated, mussel protein-based bioadhesive that closes wounds quickly and heals without inflammation or scars. Animal studies proved its superiority to existing options, making it an ideal tissue bonding material for various medical applications.
Researchers at POSTECH develop a method to form PANI nanosheets on deep frozen ice, resulting in high electronic current flows and conductivity. The process is environmentally friendly, inexpensive, and can produce large areas of nanosheets in minutes.
A new study found that certain pollutants penetrate further into the feto-maternal system, causing harm to fetuses. The research analyzed pollutant levels in cord blood and maternal tissues, revealing heavy metals like mercury and lead easily pass through the placental barrier.
A recent study by POSTECH researchers suggests that phytoplankton may amplify Arctic warming under greenhouse conditions, contrary to previous assumptions. The growth of phytoplankton is triggered by the melting of sea ice, leading to a positive feedback loop that warms the ocean surface and amplifies climate change.