Researchers used X-ray technology to study human chromosomes in their native state, discovering a fractal structure and a packing mechanism that condenses DNA into one-millionth its size. The findings could have significant implications for understanding genetics and uncovering the structures of other materials, such as viruses.
Researchers at POSTECH develop a new method for arranging quantum dots, resulting in display panels with improved resolution. The technique uses the coffee ring effect to assemble QDs in specific areas, reducing manufacturing costs and increasing brightness.
Researchers developed an AI method to correct speed of sound aberrations in photoacoustic images, resulting in improved image quality and resolution. The technique reduced streak artifacts by up to 5% and increased signal-to-noise ratio by about 25 decibels.
A study using Google Trends and Wikipedia search volume found that public interest in earthquakes is dependent on the income level of the affected country. Earthquakes in developing countries receive less international attention than those in developed countries, with interest often dwindling within a week. However, interest persists f...
Researchers at POSTECH demonstrate experimental demonstration of negative refraction at visible frequency for the first time, achieving high-resolution images beyond diffraction limit. The study uses a vertical hyperbolic metamaterial to exhibit negative refraction in entire visible domain, overcoming limitations of conventional materi...
A new liquid biopsy method developed by researchers at Pohang University of Science & Technology (POSTECH) demonstrates high sensitivity and specificity in detecting tumor DNA in the blood. The technique can detect even one to three specific tumor DNAs, offering a promising approach for early cancer diagnosis.
A research team developed a treatment for myocardial infarction using mussel adhesive proteins, promoting cell proliferation and migration in damaged heart tissue. The MAP-based microneedle bandage alleviated fibrosis and restored the damaged myocardial wall.
Researchers at Pohang University of Science & Technology developed an anticounterfeit technology that stores information in two separate domains: visible light and infrared light. This technology enhances security by using a new material called metasurface, allowing for dual protection with one security card.
A new skin-attachable patch mimics cactus spines to collect sweat efficiently, facilitating continuous monitoring of bioanalytes. The wedge-patterned channel shows high sweat-collecting efficiency and can transport nearly all sweat droplets to the sensing area.
A team of researchers developed an innovative culture system that enables intestinal epithelial cells to form a three-dimensional villi microstructure. The BASIN system reproduces the structure and function of human intestinal epithelial cells simultaneously in multiple cell culture inserts.
Researchers at Pohang University of Science & Technology have demonstrated optical-wave signal amplification and cancellation using optically driven acoustic waves on a silicon chip. This achievement paves the way for new applications in signal processing, sensing, and nanostructures.
Researchers at POSTECH developed a lithium-sulfur battery with high energy density, fast charging, and mechanical flexibility. The team synthesized sulfur-rich hierarchically ordered copolymers in under 30 minutes without surfactants or steric stabilizers.
A research team at POSTECH observes synchronized oscillations of optical intensity and symmetry-breaking transitions at an exceptional point. They also discover energy-difference conservation for the first time in the optical domain using APT symmetry platforms based on nonlinear four-wave-mixing.
A new fluorescent probe, NeutropG, selectively stains healthy neutrophils in blood samples, allowing for accurate quantification. The Metabolism-Oriented Live-cell Distinction (MOLD) method enables the selective identification of active neutrophils without affecting their native functions.
Researchers developed a handheld photoacoustic finder to detect cancer metastasis without radiation exposure. The device uses a solid-state dye laser and transparent ultrasound transducer to locate sentinel lymph nodes or melanoma.
A Korean research team has observed a long-lasting non-equilibrium phase coexistence in supercritical fluids, lasting several hours. The phenomenon is explained by a mass transport model at the phase coexistence interface, where nano-sized clusters facilitate transport.
A research team at POSTECH has developed a stretchable anisotropic conductive film that connects flexible electronic devices. The film enables high-resolution circuits connection, low-temperature processing, and production scalability for deformable devices and displays.
A research team has successfully fabricated single-layer tetracene molecular crystals using two-dimensional inorganic crystals as substrates. The resulting material exhibits extraordinary photostability and Davydov splitting, making it a promising candidate for OLEDs and organic photoelectric energy conversion.
A research team has developed a cell printing technology to produce 3D cancer spheroids with varying diameters and blood vessels. This enables the reproduction of cancer metastasis properties, paving the way for personalized cancer treatments.
A team of researchers has created a bioink that can reduce toxicity and improve cell survival, enabling the fabrication of clinically relevant human-scale organs. The development paves the way for regenerative medicine applications.
A new hydrogel platform has been developed to alleviate inflammation in rheumatoid arthritis by selectively removing nitric oxide. The hydrogel, when injected into the affected area, collects and eliminates excessive NO, reducing inflammation and alleviating symptoms.
Researchers developed a novel block copolymer electrolyte that controls structure through electrostatic interactions, enhancing ionic conductivity. The new nanostructure enables significant enhancement in conductivity compared to typical two-dimensional structures, paving the way for safer all-solid-state batteries.
Researchers at POSTECH developed a 'core@shell' nanocrystal technology that harnesses interfacial synergy for efficient catalysis. The innovative approach produces high-energy conversion rates and enables remote operation of catalysts, opening doors to various applications in sustainable energy and biotechnology.
A POSTECH research team developed a water-driven self-operating soft actuator that exceeds the strength and speed of conventional soft actuators. The actuator is inspired by the mutable collagenous tissue of sea cucumbers, which can change shape in response to water uptake.
A research team at POSTECH has developed a biocompatible nanomotor that mimics life's autonomous motility using glucose as fuel. The nanomotors exhibit directional propulsion, overcoming Brownian motion, and show potential for intracellular targeted drug delivery and precise cell manipulation.
A POSTECH research team has developed an encrypted hologram printing platform that works in both natural light and laser light using the metasurface technology. The device can produce a holographic color image retaining specific polarization, setting it apart from previously reported holograms.
A joint research team from POSTECH and KIMS developed a faster and more accurate microstructure imaging technique using deep learning. The technique enhanced the resolution of existing microstructure images up to 4, 8, or 16 times, reducing imaging time by up to 256x compared to conventional SEM systems.
Researchers create fluorescence-based nanoparticle tracking analysis system for characterizing size and protein expression of individual extracellular vesicles. The system enables analysis of specific proteins in EVs at individual particle levels, providing insights into various life processes.
A Korean research team has identified the origin of bifurcated current sheets in the Earth's magnetosphere through theoretical analysis and simulations. The study reveals that these sheets naturally bifurcate during equilibration, resolving a long-standing mystery.
Researchers developed a transparent radiative cooler that transmits visible light while reflecting near-infrared light, radiating heat in the atmospheric window. The material lowered interior temperatures by up to 14.4°C and exterior temperatures by 10.1°C in outdoor experiments.
Researchers have developed a non-invasive method to diagnose thyroid cancer using photoacoustic and ultrasound image technology combined with artificial intelligence. The technique accurately classifies malignant nodules with high sensitivity and specificity, reducing unnecessary biopsies and medical costs.
Researchers at Pohang University of Science & Technology (POSTECH) have synthesized two new thermally stable zeolites with improved catalytic activity. PST-32 and PST-2 exhibit higher activity than zeolite Y in producing ethylene and propylene, key raw materials for chemical products.
A research team from POSTECH and ImmunoBiome Inc. discovered a yeast-derived polysaccharide mixture that selectively suppresses inflammatory T-cells and induces regulatory T-cells with anti-inflammatory function. The study found that MGCP, the novel polysaccharide, effectively inhibits inflammatory diseases without major side effects.
Researchers at Pohang University of Science & Technology developed halide perovskite-based memory with fast switching speed, overcoming slow speed limitations. The new technology uses lead-free materials and offers a step towards practical applications.
A research team at POSTECH has created a multivalent, adjuvant-free vaccine against various strains of avian influenza. The vaccine uses green vaccine technology to produce bacteria-like particles that elicit strong immune responses in mice and chickens.
Researchers at Pohang University of Science & Technology developed a new method for regenerating damaged conjunctiva using mussel adhesive protein, achieving stable tissue adhesion and biodegradation. The technique replaces traditional sutures in ocular surface reconstruction.
A joint research team from POSTECH and KIMS developed a deep learning-based refocusing method to detect and improve SEM images without human oversight. The technology demonstrated improved image quality on blind settings, moving closer to commercializing AI-based material analysis equipment.
Researchers from POSTECH and KNU analyze Dopa and lysine, revealing their roles in surface adhesion and cohesion. The study confirms negative synergy between Dopa and lysine, offering promise for designing new adhesive materials.
A research team identified the structure of hetero-oligomers causing Alzheimer's and Parkinson's diseases to overlap. The study reveals that these aggregates have more degrees of freedom, allowing peptides to be loosely packed on their surface.
Researchers at Pohang University of Science & Technology (POSTECH) have developed a revolutionary LiDAR device the size of a finger using nanophotonics-based technology. The device can be used in autonomous vehicles, intelligent robots, drones, and augmented reality platforms.
A research team has developed an in vitro diseased skin model that displays the pathophysiological hallmarks of type 2 diabetes using 3D cell printing technology. The model exhibits slow re-epithelialization, insulin resistance, and pro-inflammatory response, similar to diabetic skin.
A new treatment method for cerebral aneurysms uses a biocompatible embolization material that fills the aneurysm at high rates and maintains structural stability. The innovative material exhibits excellent biocompatibility and can safely prevent rupture, reducing financial burden and risks associated with current coil embolization.
Researchers at POSTECH developed an ultra-compact wearable gas sensor that detects toxic gases and displays a holographic alarm. The sensor uses metasurface technology to provide immediate visual notification without relying on external mechanical or electronic devices.
A novel adhesive patch platform has been developed by a research team at Pohang University of Science & Technology (POSTECH) to efficiently deliver blood vessel-forming growth factors using mussel adhesive protein. The platform demonstrated effective neovascularization in rat models for myocardial infarction and excisional wounds.
Researchers at POSTECH have designed a metasurface that can control acoustic and elastic waves, achieving underwater stealth capability untraceable by SONAR. The technology also enables drastic alteration of wave propagation through curved plates, such as vibrations.
Researchers successfully produced an artificial lung model with a three-layer structure of about 10 micrometers thickness using inkjet bioprinting. The model replicated the physiological response to viral infectivity and antiviral response, enabling mass production and quality control for disease models.
A Korean research team has developed an innovative treatment method for vesico-vaginal fistulas using a mussel adhesive protein-based bioadhesive. The new method shows promise in sealing fistulas quickly and effectively, with improved outcomes compared to conventional suture methods.
Researchers developed an AI model that predicts crystal structures of multi-element alloys without requiring massive data. The method showed high accuracy in predicting structural phase and can save calculation cost by up to 1,000 times compared to previous methods.
Researchers created a quadruple fusion optical and ultrasound imaging system, integrating four modalities: ultrasound, photoacoustic, optical coherence tomography, and fluorescence imaging. The system uses a transparent ultrasound transducer to produce high-quality images without limitations.
Researchers at POSTECH have developed an on-demand drug delivery system that utilizes organic photovoltaic cells and upconversion nanoparticles to convert near-infrared light into visible light, allowing for controlled drug release in medical devices.