Sang Hee Lee
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View article: Simulation of Engine Power Requirement and Fuel Consumption in a Self-Propelled Crop Collector
Simulation of Engine Power Requirement and Fuel Consumption in a Self-Propelled Crop Collector Open
This study attempted to develop and validate a data-driven simulation model that integrates field-measured data to assess the power requirement and fuel consumption characteristics of a self-propelled collector. The collector is a hydrosta…
View article: Analysis of Risk Factor Changes for Myopia in Korean Adolescents Before and After the COVID-19 Pandemic
Analysis of Risk Factor Changes for Myopia in Korean Adolescents Before and After the COVID-19 Pandemic Open
Background and Objectives: To analyze changes in risk factors for refractive errors among Korean adolescents before and after the COVID-19 pandemic and examine the impact of lifestyle modifications on myopia development, Methods: this cros…
View article: Recent Advances in Optoelectronic Synaptic Devices for Neuromorphic Computing
Recent Advances in Optoelectronic Synaptic Devices for Neuromorphic Computing Open
We explore recent advancements in optoelectronic synaptic devices across four key aspects: mechanisms, materials, synaptic properties, and applications. First, we discuss fundamental working principles, including oxygen vacancy ionization,…
View article: Justicia procumbens ameliorates aortic aging via ferroptosis regulation in senescent mice and vascular smooth muscle cells
Justicia procumbens ameliorates aortic aging via ferroptosis regulation in senescent mice and vascular smooth muscle cells Open
Vascular aging involves structural remodeling, oxidative stress, lipid peroxidation, and phenotypic switching of vascular smooth muscle cells (VSMCs), all contributing to age-related cardiovascular diseases. Ferroptosis, a regulated iron-d…
View article: Beneficial effect of consuming milk containing only A2 beta-casein on gut microbiota: A single-center, randomized, double-blind, cross-over study
Beneficial effect of consuming milk containing only A2 beta-casein on gut microbiota: A single-center, randomized, double-blind, cross-over study Open
Cow milk contains essential nutrients, with β-casein existing in A1 and A2 forms. Studies suggest that A2 milk (containing only A2 β-casein) may offer gastrointestinal (GI) benefits compared to A1/A2 milk (containing both forms). This stud…
View article: Image analysis using smartphones: relationship between leaf color and fresh weight of lettuce under different nutritional treatments
Image analysis using smartphones: relationship between leaf color and fresh weight of lettuce under different nutritional treatments Open
Image analysis can be useful for assessing crop health and predicting yield. Instead of expensive equipment, smartphones are considered an accessible and low-cost alternative. The objectives of this study were to evaluate whether fresh wei…
View article: Correction: Lee et al. Prioritization of Critical Factors for Surveillance of the Dissemination of Antibiotic Resistance in Pseudomonas aeruginosa: A Systematic Review. Int. J. Mol. Sci. 2023, 24, 15209
Correction: Lee et al. Prioritization of Critical Factors for Surveillance of the Dissemination of Antibiotic Resistance in Pseudomonas aeruginosa: A Systematic Review. Int. J. Mol. Sci. 2023, 24, 15209 Open
The journal’s Editorial Office and Editorial Board are jointly issuing a resolution and removal of the Journal Notice linked to this article [...]
View article: Structural comparison of substrate-binding pockets of serine β-lactamases in classes A, C, and D
Structural comparison of substrate-binding pockets of serine β-lactamases in classes A, C, and D Open
β-lactams have been the most successful antibiotics, but the rise of multi-drug resistant (MDR) bacteria threatens their effectiveness. Serine β-lactamases (SBLs), among the most common causes of resistance, are classified as A, C, and D, …
View article: Complete genome sequence of an <i>Escherichia coli</i> ST7366 strain harboring an extended-spectrum β-lactamase gene isolated from sewage water in Pakistan
Complete genome sequence of an <i>Escherichia coli</i> ST7366 strain harboring an extended-spectrum β-lactamase gene isolated from sewage water in Pakistan Open
We announce the complete genome of Escherichia coli strain PEC1003 belonging to ST7366, isolated from sewage water in Pakistan. This strain harbored a plasmid carrying various antibiotic resistance genes, including extended-spectrum β-lact…
View article: Perspectives on Metallo-β-Lactamase Inhibitors: Challenges and Implications of Metallo-β-Lactamase Variants
Perspectives on Metallo-β-Lactamase Inhibitors: Challenges and Implications of Metallo-β-Lactamase Variants Open
The Article Abstract is not available.
View article: Complete genome sequence of a high-risk <i>Escherichia coli</i> ST10 isolated from avian feces in Pakistan
Complete genome sequence of a high-risk <i>Escherichia coli</i> ST10 isolated from avian feces in Pakistan Open
We present the complete genome sequence of Escherichia coli strain PEC1009 isolated from avian feces in Pakistan. The strain belongs to sequence type (ST) 10, a high-risk clone. The strain possesses two plasmids, and various plasmid-borne …
View article: Structural insights into alterations in the substrate spectrum of serine-β-lactamase OXA-10 from <i>Pseudomonas aeruginosa</i> by single amino acid substitutions
Structural insights into alterations in the substrate spectrum of serine-β-lactamase OXA-10 from <i>Pseudomonas aeruginosa</i> by single amino acid substitutions Open
The extensive use of β-lactam antibiotics has led to significant resistance, primarily due to hydrolysis by β-lactamases. OXA class D β-lactamases can hydrolyze a wide range of β-lactam antibiotics, rendering many treatments ineffective. W…
View article: Comparative Genomic Analyses of <i>E. coli</i> ST2178 Strains Originated from Wild Birds in Pakistan
Comparative Genomic Analyses of <i>E. coli</i> ST2178 Strains Originated from Wild Birds in Pakistan Open
The emergence and spread of multidrug-resistance (MDR) pathogenic Escherichia coli due to horizontal gene transfer of antibiotic resistance genes (ARGs) and virulence factors (VFs) is a global health concern, particularly in developing cou…
View article: High-quality chromosome-level genome assembly of Nicotiana benthamiana
High-quality chromosome-level genome assembly of Nicotiana benthamiana Open
Nicotiana benthamiana is a fundamental model organism in plant research. Recent advancements in genomic sequencing have revealed significant intraspecific genetic variations. This study addresses the pressing need for a precise genome sequ…
View article: Elucidation of critical chemical moieties of metallo-β-lactamase inhibitors and prioritisation of target metallo-β-lactamases
Elucidation of critical chemical moieties of metallo-β-lactamase inhibitors and prioritisation of target metallo-β-lactamases Open
The urgent demand for effective countermeasures against metallo-β-lactamases (MBLs) necessitates development of novel metallo-β-lactamase inhibitors (MBLIs). This study is dedicated to identifying critical chemical moieties within previous…
View article: Appropriate Working Period and Storage Characteristics Based on Residual Leaf Length of Onion (Allium cepa L.) Harvested with a Blower-type Stem Cutter
Appropriate Working Period and Storage Characteristics Based on Residual Leaf Length of Onion (Allium cepa L.) Harvested with a Blower-type Stem Cutter Open
This study was conducted to determine the optimal working conditions when a recently developed blower-type onion stem cutter is utilized for cutting onion leaves at harvest time. The June 20 leaf cutting treatment group had the highest lea…
View article: Prioritization of Critical Factors for Surveillance of the Dissemination of Antibiotic Resistance in Pseudomonas aeruginosa: A Systematic Review
Prioritization of Critical Factors for Surveillance of the Dissemination of Antibiotic Resistance in Pseudomonas aeruginosa: A Systematic Review Open
Pseudomonas aeruginosa is the primary opportunistic human pathogen responsible for a range of acute and chronic infections; it poses a significant threat to immunocompromised patients and is the leading cause of morbidity and mortality for…
View article: A Study on the Onion Stem Cutting Prototype Attached to a Tractor
A Study on the Onion Stem Cutting Prototype Attached to a Tractor Open
최근 국내 농촌인력의 고령화와 인구감소로 인하여 인력 수급의 어려움 등으로 농촌 노동력 부족현상이 심화되어 농작물 생산에 어려움이 가중되고 있다. 본 연구에서는 양파 재배농가의 노동력 부족문제를 해결하기 위해 양파 수확작업에 필수적인 줄기절단기를 개발하여 농용트랙터에 줄기절단장치를 부착하였으며, 줄기절단시험을 실시하였다. 엔진의 회전수 증가에 따라 PTO 회전수의 편차는 다소 있으나 엔진회전수 증가에 따라 PTO 회전수는 증…
View article: Development of Potato Mass Estimation System Based on Deep Learning
Development of Potato Mass Estimation System Based on Deep Learning Open
Potato is one of the world’s four major food crops as an important resource cultivated in about 150 countries. As precision agriculture has recently attracted increasing attention for its role in improving productivity, interest in yield m…
View article: Structural Insights for β-Lactam Antibiotics
Structural Insights for β-Lactam Antibiotics Open
Antibiotic resistance has emerged as a global threat to modern healthcare systems and has nullified many commonly used antibiotics. β-Lactam antibiotics are among the most successful and occupy approximately two-thirds of the prescription …
View article: Dual activity of PNGM-1 pinpoints the evolutionary origin of subclass B3 metallo-<i>β</i>-lactamases: a molecular and evolutionary study
Dual activity of PNGM-1 pinpoints the evolutionary origin of subclass B3 metallo-<i>β</i>-lactamases: a molecular and evolutionary study Open
Resistance to β-lactams is one of the most serious problems associated with Gram-negative infections. β-Lactamases are able to hydrolyze β-lactams such as cephalosporins and/or carbapenems. Evolutionary origin of metallo-β-lactamases (MBLs…
View article: A Case Exhibiting Late, Postoperative, Toric Intraocular Lens Rotation
A Case Exhibiting Late, Postoperative, Toric Intraocular Lens Rotation Open
Purpose: We present a case of spontaneous toric intraocular lens (IOL) rotation in the late postoperative period (after 10 months).Case summary: A 44-year-old male underwent phacoemulsification and placement of an IOL (AcrySof IQ Toric, Al…
View article: Transmission of antibiotic resistance genes through mobile genetic elements in Acinetobacter baumannii and gene-transfer prevention
Transmission of antibiotic resistance genes through mobile genetic elements in Acinetobacter baumannii and gene-transfer prevention Open
Antibiotic resistance is a major global public health concern. Acinetobacter baumannii is a nosocomial pathogen that has emerged as a global threat because of its high levels of resistance to many antibiotics, particularly those considered…