Sang Ki Lee
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View article: Asymmetric Ion Transport in Tunnel‐Type Cobalt Vanadate for High‐Performance Mn <sup>2+</sup> /H <sup>+</sup> Hybrid Aqueous Batteries
Asymmetric Ion Transport in Tunnel‐Type Cobalt Vanadate for High‐Performance Mn <sup>2+</sup> /H <sup>+</sup> Hybrid Aqueous Batteries Open
Aqueous manganese batteries are attractive owing to the deeper Mn/Mn 2 ⁺ redox potential (–1.19 V vs SHE) compared with Zn, yet their development has been hindered by sluggish Mn 2 ⁺ diffusion and parasitic interfacial reactions. Here, the…
View article: Effects of detraining on cardiovascular risk factors in older adults: A systematic review and meta-analysis
Effects of detraining on cardiovascular risk factors in older adults: A systematic review and meta-analysis Open
Detraining has significant and detrimental effects on cardiovascular risk factors in older adults, with risks increasing as the duration of detraining extends.
View article: High‐Performance Mn‐Based Hybrid Aqueous Batteries Enabled by Interlayer‐Expanded Magnesium Vanadium Bronze Cathode
High‐Performance Mn‐Based Hybrid Aqueous Batteries Enabled by Interlayer‐Expanded Magnesium Vanadium Bronze Cathode Open
Manganese‐based ion batteries exhibit a relatively low redox potential (−1.19 V vs SHE) along with high theoretical capacity and excellent capacity retention characteristics, making them promising for next‐generation batteries. In this stu…
View article: Next‐Generation Electrode Materials for Safe and Sustainable Manganese‐Based Aqueous Batteries
Next‐Generation Electrode Materials for Safe and Sustainable Manganese‐Based Aqueous Batteries Open
Lithium‐ion batteriesface growing limitations for large‐scale energy storage due to high cost, resource constraints, and safety concerns. In response, aqueous battery systems have emerged as compelling alternatives, offering intrinsic safe…
View article: Development of Seismic Fragility Curve for Railway Tunnel Crossing Fracture Zone
Development of Seismic Fragility Curve for Railway Tunnel Crossing Fracture Zone Open
This study investigates the seismic fragility of railway tunnels intersecting fractured geological zones using a nonlinear numerical approach. A series of dynamic analyses was performed on tunnel models subjected to multiple ground motions…
View article: Enhanced Structural Transformation Enabled by Low‐Crystalline Vanadium Oxides in Aqueous Zinc‐Ion Batteries
Enhanced Structural Transformation Enabled by Low‐Crystalline Vanadium Oxides in Aqueous Zinc‐Ion Batteries Open
Aqueous batteries are gaining attention owing to their high safety and cost‐effectiveness. Among these, Zn‐based aqueous batteries excel because of Zn's low redox potential (−0.76 V vs. SHE), its abundance, and eco‐friendliness. However, d…
View article: Correction: Towards practical all-solid-state batteries: structural engineering innovations for sulfide-based solid electrolytes (<i>Energy Mater</i> 2025; 10.20517/energymater.2024.219)
Correction: Towards practical all-solid-state batteries: structural engineering innovations for sulfide-based solid electrolytes (<i>Energy Mater</i> 2025; 10.20517/energymater.2024.219) Open
View article: Position statement: Evidence-Based Exercise Guidelines for Sarcopenia in Older Adults: Insights from the Korean Working Group on Sarcopenia
Position statement: Evidence-Based Exercise Guidelines for Sarcopenia in Older Adults: Insights from the Korean Working Group on Sarcopenia Open
Background: Sarcopenia is a geriatric muscle disease characterized by the loss of muscle mass, strength, and physical function. To better reflect the unique characteristics of sarcopenia in Korean older adults, the Korean Working Group on …
View article: Rhombohedral Zinc Hexacyanoferrate as a High‐Voltage Cathode Material for Aqueous Mn‐ion Batteries
Rhombohedral Zinc Hexacyanoferrate as a High‐Voltage Cathode Material for Aqueous Mn‐ion Batteries Open
Aqueous metal batteries have emerged as a promising alternative to lithium‐ion batteries, offering enhanced safety through the use of aqueous electrolytes. Manganese‐ion battery systems remain underexplored despite the low manganese redox …
View article: Nonaqueous Electrolyte Rechargeable Manganese Batteries with Potassium Manganese Hexacyanoferrate Cathodes
Nonaqueous Electrolyte Rechargeable Manganese Batteries with Potassium Manganese Hexacyanoferrate Cathodes Open
Manganese batteries garnered significant attention as sustainable and cost‐effective alternatives to lithium‐ion batteries. For the first time, manganese batteries are demonstrated using a manganese hexacyanoferrate cathode and organic ele…
View article: The Charge Storage Mechanism and Durable Operation in Olivine–Lithium–Iron–Phosphate for Mn‐based Hybrid Batteries
The Charge Storage Mechanism and Durable Operation in Olivine–Lithium–Iron–Phosphate for Mn‐based Hybrid Batteries Open
Aqueous batteries have garnered considerable attention because of their cost‐effectiveness, sufficient capacity, and non‐flammable water‐based electrolytes. Among these, manganese batteries are particularly attractive owing to their stabil…
View article: Towards practical all-solid-state batteries: structural engineering innovations for sulfide-based solid electrolytes
Towards practical all-solid-state batteries: structural engineering innovations for sulfide-based solid electrolytes Open
Sulfide-based solid electrolytes have emerged as pivotal components for the advancement of next-generation all-solid-state batteries, owing to the battery safety and higher energy density. This paper reviews the recent material innovations…
View article: On-Site Microfluidic Assay for the Detection of Multiple Drugs in Urine
On-Site Microfluidic Assay for the Detection of Multiple Drugs in Urine Open
View article: Effect of choline alfoscerate in older adult patients with dementia: an observational study from the claims data of national health insurance
Effect of choline alfoscerate in older adult patients with dementia: an observational study from the claims data of national health insurance Open
Further analyses are needed to confirm the early-stage and long-term effectiveness of choline alfoscerate in specific populations, which will help in considering its reimbursement.
View article: Analysis of University Students Liberal Arts Curriculum Perception and Needs
Analysis of University Students Liberal Arts Curriculum Perception and Needs Open
This purpose of this study is to analyze the perceptions and needs of students at University C regarding ‘liberal arts education’ and to draw implications for the reorganization and operation of the liberal arts curriculum. To this end, a …
View article: Aerobic exercise attenuates high-fat diet-induced glycometabolism abnormalities in skeletal muscle of rats via EGR-1/PTP1B signaling pathway
Aerobic exercise attenuates high-fat diet-induced glycometabolism abnormalities in skeletal muscle of rats via EGR-1/PTP1B signaling pathway Open
Objective Defects in glycogen anabolism led to the development of insulin resistance (IR). Aerobic exercise ameliorates IR by augmenting insulin signaling, yet, the precise mechanism behind this improvement remains unclear. This study expl…
View article: Effect of Endurance Exercise Training on Gut Microbiota and ER Stress
Effect of Endurance Exercise Training on Gut Microbiota and ER Stress Open
Regular exercise as part of one’s lifestyle is well-recognized for its beneficial effect on several diseases such as cardiovascular disease and obesity; however, many questions remain unanswered regarding the effects of exercise on the gut…
View article: Current Trends of Exercise Programs for Improving Cognitive Function in Older Adults
Current Trends of Exercise Programs for Improving Cognitive Function in Older Adults Open
PURPOSE: Limited studies have analyzed exercise protocols for cognitive improvement in older adults. Therefore, we closely examined the composition, content, and operation methods of these exercise programs to identify current trends.METHO…
View article: Exercise attenuates high-fat diet-induced PVAT dysfunction through improved inflammatory response and BMP4-regulated adipose tissue browning
Exercise attenuates high-fat diet-induced PVAT dysfunction through improved inflammatory response and BMP4-regulated adipose tissue browning Open
Background Perivascular adipose tissue (PVAT) dysfunction impairs vascular homeostasis. Impaired inflammation and bone morphogenetic protein-4 (BMP4) signaling are involved in thoracic PVAT dysfunction by regulating adipokine secretion and…
View article: Sesamin Ameliorates Lipotoxicity and Lipid Accumulation Through the Activation of the Estrogen Receptor Alpha Signaling Pathway
Sesamin Ameliorates Lipotoxicity and Lipid Accumulation Through the Activation of the Estrogen Receptor Alpha Signaling Pathway Open
View article: Research On Development of Usability Evaluation Contents and Weight of Importance for the Fire Detector Product
Research On Development of Usability Evaluation Contents and Weight of Importance for the Fire Detector Product Open
View article: Mycobacterium avium Complex Infection-Related Immune Reconstitution Inflammatory Syndrome Mimicking Lymphoma in an HIV-Infected Patient
Mycobacterium avium Complex Infection-Related Immune Reconstitution Inflammatory Syndrome Mimicking Lymphoma in an HIV-Infected Patient Open
View article: <i>Mycobacterium avium</i> Complex Infection-Related Immune Reconstitution Inflammatory Syndrome Mimicking Lymphoma in an Human Immunodeficiency Virus-Infected Patient
<i>Mycobacterium avium</i> Complex Infection-Related Immune Reconstitution Inflammatory Syndrome Mimicking Lymphoma in an Human Immunodeficiency Virus-Infected Patient Open
In acquired immunodeficiency syndrome (AIDS) patients, immune reconstitution inflammatory syndrome (IRIS) due to Mycobacterium avium complex (MAC) infection is one of the most difficult IRIS types to manage. We report an unusual cas…
View article: The Significance of Measurement Conditions When Examining the Effects of Wearing High Heel Shoes On Balance and Ankle Strength
The Significance of Measurement Conditions When Examining the Effects of Wearing High Heel Shoes On Balance and Ankle Strength Open
Aim: Previous studies have reported that the wearing of high heels can improve balance and ankle strength, however, those studies used an apparatus in which subjects were tested while wearing flat shoes. This study aims to examine whether …
View article: A Customer Touch Point Management System for Effective Service Communication
A Customer Touch Point Management System for Effective Service Communication Open
Objectives Customer touch point management system (CTPMS) is a service communication management tool used by an insurance company (“the Company”) in Korea. This system was originally introduced to improve the quality of service communicati…
View article: P66Shc-Induced MicroRNA-34a Causes Diabetic Endothelial Dysfunction by Downregulating Sirtuin1
P66Shc-Induced MicroRNA-34a Causes Diabetic Endothelial Dysfunction by Downregulating Sirtuin1 Open
Objective— Diabetes mellitus causes vascular endothelial dysfunction and alters vascular microRNA expression. We investigated whether endothelial microRNA-34a (miR-34a) leads to diabetic vascular dysfunction by targeting endothelial sirtui…
View article: Resistance exercise training increase activation of AKT-eNOS and Ref-1 expression by FOXO-1 activation in aorta of F344 rats
Resistance exercise training increase activation of AKT-eNOS and Ref-1 expression by FOXO-1 activation in aorta of F344 rats Open
Purpose This study investigated the effects of resistance exercise on the Akt-eNOS, the activation of antioxidant protein and FOXO1 in the aorta of F344 rats. Methods Male 7 week-old F344 rats were randomly divided into 2 groups: a climbin…
View article: Sensory electrical stimulation for suppression of postural tremor in patients with essential tremor
Sensory electrical stimulation for suppression of postural tremor in patients with essential tremor Open
Essential tremor is an involuntary trembling of body limbs in people without tremor-related disease. In previous study, suppression of tremor by sensory electrical stimulation was confirmed on the index finger. This study investigates the …