Korea Institute of Science and Technology

Composition-Driven Structural Regulation of Fe-Co Aerogels for High-Current-Density Hydrogen Evolution

Cost-effective alkaline water electrolysis requires non-precious-metal electrocatalysts that sustain the hydrogen evolution reaction (HER) at high current densities while maintaining favorable interfacial kinetics and an accessible electrode structure. Here, Co incorporation was...

Promoting arm movement practice with a novel wheelchair armrest early after stroke: a randomized controlled trial

Abstract Background Chronic upper extremity (UE) impairment is common after stroke. This study aimed to evaluate both the feasibility and preliminary clinical effects of Boost, a novel wheelchair-mounted rehabilitation device designed to assist individuals in UE motor recovery du...

Nonlinear Electro‐Optic Visible Photonic Circuits for Solid‐State Quantum Defects

Integrated visible photonic engines for solid-state quantum defects provide a foundation for scalable quantum networks. While miniaturization is advancing, active manipulation remains limited by the difficulty of achieving simultaneous milliwatt-scale visible light generation and...

PrOMet: Accurate and Robust Metal‐Binding Site and Type Prediction

ABSTRACT Metal binding to proteins is crucial for many biological functions, yet the prediction of metal‐binding sites and metal types remains underexplored compared to other biomolecular interactions. Despite advances in deep learning, computational methods have achieved limited...

Explainable Deep Learning Reveals Future Changes in East Asian Extreme Winter Predictability

Deep learning-based approaches have emerged as powerful tools for seasonal prediction, yet their skill remains limited for extreme anomalies, and warming climates may alter predictability sources. Here we present a convolutional neural network (CNN)-based framework to assess how...

Unveiling the Structural Advantages in PTFE‐Based Dry‐Processed Electrodes for Sulfide‐Based All‐Solid‐State Batteries via 3D Microstructure‐Resolved Analysis

ABSTRACT All‐solid‐state batteries (ASSBs) employing sulfide‐based solid electrolytes (SEs) are promising candidates for next‐generation lithium‐ion batteries owing to their high energy density and safety. Their electrochemical performance is strongly influenced by the electrode...

Robust Chemometric Machine Learning Framework for Screening-Stage Triage in Antidoping Urine Analysis

Abstract Initial testing procedure (ITP) screening in antidoping requires rapid interpretation of high-throughput data under analytically complex and operationally demanding decision conditions. We developed a robustness-validated chemometric machine-learning framework─an integra...

Evolutionary dynamics of plant cell wall-degrading enzymes reflects feeding ecology in weevils

Abstract Many herbivorous beetles depend on plant cell wall-degrading enzymes (PCWDEs) to access the nutritious plant cell content. However, the evolution of PCWDEs in weevils, the most diverse lineage of herbivores, remains poorly understood. Using transcriptomic and genomic ana...

Coupling Atomic Confinement With CO 2 Pressure for Selective and Stable CO 2 Electroreduction

ABSTRACT Electrochemical reduction of CO 2 (CO 2 RR) offers a promising route to convert waste carbon into valuable chemical feedstocks while mitigating greenhouse emissions. However, achieving high activity and selectivity in CO 2 RR remains challenging due to the low solubility...

Composition Engineering of Mn-Based Disordered Rocksalt for Understanding Electrode Degradation Behavior

Cation-disordered rocksalt (DRX) cathodes have emerged as promising candidates owing to their high theoretical capacity and use of earth-abundant transition metals (TMs), such as Mn, Ti, and Fe. Li+ transport occurs through a three-dimensional percolation network of 0-TM diffusio...

Layer-by-Layer Electrode Design Integrating a Macroporous Carbon-Nanotube Skeleton for an Anion-Exchange Membrane Water Electrolyzer

Abstract Three-dimensional porous electrodes (anodes and cathodes) using only non-noble-metal electrocatalysts are important for enhancing the performance of anion-exchange membrane water electrolysis (AEMWE), contributing to reduced green-hydrogen production costs. This study de...

Revealing the Role of Ion Transport Properties through Ion-Exchange Membranes for Aqueous Zinc-Ion Battery

Abstract The separator material is a critical component that governs the cycling performance of aqueous zinc-ion batteries (AZIBs); however, how its ion transport properties dictate specific electrochemical behaviors remains poorly understood. Here, we investigated the relationsh...

Machine learning–driven decoding of maternal immune signatures in repeated pregnancy loss

Repeated pregnancy loss (RPL) is a multifactorial condition in which the underlying immunological mechanisms, particularly the disruption of maternal-fetal tolerance, remain incompletely understood. Although immune tolerance is critical for pregnancy success, the specific immune...

G-screen: scalable protein-aware virtual screening through flexible ligand alignment

Virtual screening has long been a central computational tool for rational ligand discovery, enabling the systematic prioritization of candidate molecules from large chemical libraries. Although docking and related approaches that explicitly account for protein–ligand interactions...

Ferritin Complex Vaccine against Influenza A Using Screened Immunogenic Sequences from Fv-Antibody Library

Abstract A ferritin-based influenza A vaccine was developed. The immunogenic sequences of the nucleoprotein (NP) were screened using an autodisplayed Fv-antibody library, and the paratopes with a high-affinity binding affinity were analyzed through docking simulations. The result...

Dopant-Level Cobalt as an Electronic Promoter Stabilizes NiOOH for the Efficient Electrochemical Oxidation of 5-Hydroxymethylfurfural (HMF) to 2,5-Furandicarboxylic Acid (FDCA)

Abstract The electrochemical oxidation of 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA) is a promising route to biobased polymers using Ni-based hydroxide anodes. Although Co incorporation enhances performance, its mechanistic role in HMF oxidation remains un...

Multifunctional Matrix‐Activated Electrodes Enabling Efficient Proton Transport and Durable Low‐Pt Operation for High‐Temperature Proton Exchange Membrane Fuel Cells

ABSTRACT Phosphoric acid (PA)‐related challenges, including PA loss, redistribution, and flooding, critically limit the performance and long‐term durability of high‐temperature proton exchange membrane fuel cells (HT‐PEMFCs) based on PA‐doped membrane electrode assemblies. Althou...

Sprayable MXene Hydrogels With Composition‐Driven Interfacial Stabilization and on‐Skin Gelation for Conformal Postsurgical Photothermal Therapy

ABSTRACT Oxidative degradation of Ti 3 C 2 T x MXene in aqueous and biological environments remains a persistent obstacle to its long‐term use in biomedical applications, yet the role of the surrounding polymer matrix in governing this process has received little systematic atten...

Stabilizing High-Voltage Operation in O3-Type Na-Layered Cathodes by Suppressing Distortion-Driven Fe Migration

Abstract Fe-based O3-type Na-layered oxides such as Na[Ni1/3Fe1/3Mn1/3]O2 are attractive cathodes based on earth-abundant elements, yet their high-voltage operation is limited by voltage decay and capacity fading. Here, we identify a distortion−migration cascade initiated by Fe3+...

Directionally Aligned, Defect-Suppressed Non-oxidatively Exfoliated Graphene Flakes for High EMI Shielding Performance

Abstract In this study, we report the development of high-performance electromagnetic interference (EMI) shielding composites incorporating directionally aligned non-oxidatively exfoliated graphene flakes (NOGF) within a polydimethylsiloxane (PDMS) matrix. The NOGF was synthesize...