Pukyong National University

Data-driven enhancement of ocean surface forcing for accurate floating debris transport modelling in the East/Japan Sea

Abstract. Floating debris transport in marginal seas is controlled by a combination of geostrophic currents, wind-driven currents, wave-induced drift, and direct wind forcing, but the relative importance of these processes remains difficult to quantify without in-situ trajectory...

Hydrodynamic Implications of Levee Breach Width Variation on Turbulence Structures and Discharge Efficiency

Abstract This study investigates the effects of levee breach width on flow and turbulence structures, as well as on the discharge coefficient, under river-type flow conditions using the open-source computational fluid dynamics (CFD) software OpenFOAM. A three-dimensional (3D) Rey...

Coffee brewing trajectories from recipe-level records: a conservation-constrained framework for filter coffee

Abstract Filter coffee recipes specify brewing operations and selected beverage outcomes but do not resolve the extraction trajectory within the coffee bed. Here, we develop a reduced-order, conservation-constrained framework that reconstructs conditional water and dissolved-soli...

Field-Deployable Paper-Based Detection of Vibrio vulnificus via Mechanically Automated Sequential RPA/CRISPR-Cas12a

Vibrio vulnificus (V. vulnificus) is a highly virulent marine pathogen that causes severe infections, including sepsis and necrotizing fasciitis, with high fatality rates in susceptible individuals. Rapid and sensitive on-site detection is therefore essential, yet existing method...

Unipolar Barrier Near‐Infrared 2D Photodetectors for 3D Image Sensors

ABSTRACT Photodetectors sensitive to the near‐infrared (NIR) range are of great importance for applications in machine vision, autonomous driving, and three‐dimensional (3D) imaging under low‐light or adverse weather conditions. Recently, two‐dimensional (2D) semiconductors have...

Optimization of Poly-γ-Glutamic Acid Production by Moderate Electric Field-Assisted Fermentation in a Haematococcus pluvialis-Based Medium

Moderate electric field (MEF) fermentation was investigated as a nonthermal stress strategy to enhance the formation of extracellular polymeric substances (EPS; mucilage) by Bacillus subtilis HA in a Haematococcus-based medium. Response surface methodology (RSM), combined with a...

Traversingthe Regioselectivity of IntermolecularPericyclic Aryne Reactions: Total Syntheses of Laetevirenol A andIsoampelopsin D

Abstract Resveratrol-derived natural products feature a diverse group of stilbenoids, characterized by extensive structural variation and pharmacological potential. Herein, we document our innovation in the synthesis of laetevirenol A, a biologically captivating resveratrol dimer...

GLA-DesnowNet: A Lightweight Hybrid CNN–Transformer Architecture for Image Snow Removal

Single-image snow removal remains a challenging, ill-posed inverse problem in computer vision due to the highly variable appearance of snow degradation. Existing CNN-based methods are limited by local receptive fields and cannot model globally distributed snow patterns, while Tra...

On approximate solutions for linear fractional optimization problems on Euclidean Jordan algebras

This research delves into the study approximate optimality conditions for approximate solutions to a linear fractional optimization problem over symmetric cone defined on a Euclidean Jordan algebras. Without the presence of constraint qualifications, it provides approximate optim...

Sensitivity of Arctic mixed-phase cloud simulations to ice microphysical modifications in the WDM6 scheme of WRF (v4.3.1)

Abstract. Arctic mixed-phase clouds (MPCs) remain challenging to represent in atmospheric models, with bulk microphysics schemes typically biased toward either excessive glaciation or inadequate ice formation. This study evaluates the behavior of the Weather Research and Forecast...

The relationship between physical exercise and social media addiction among Chinese university students: a random intercept cross-lagged panel model analysis

In the digital era, Social Media Addiction has emerged as a prominent issue affecting the mental health of university students. Despite evidence linking physical exercise to lower Social Media Addiction, it remains unknown whether within-person changes in physical exercise actual...

Phenotypic and Genomic Characterization of Vibrio rotiferianus Isolated From Starry Flounder ( Platichthys stellatus ) in the Republic of Korea

Vibrio rotiferianus is a bacterial species associated with mortality in various marine organisms. This bacterium has previously been isolated from olive flounder (Paralichthys olivaceus) farms in the Republic of Korea. However, studies on pathogens associated with starry flounder...

A Dynamically Weighted Framework for Adaptive Reference-Based Super-Resolution

Abstract. Satellite remote sensing is inherently constrained by a trade-off between spatial and temporal resolution. As a result, high-temporal-frequency sensors such as Geostationary Ocean Color Imager-II provide operationally valuable observations but at coarse spatial resoluti...