Hyung Jun Kim
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View article: Turbine Performance of Variable Geometry Turbocharger Applied to Small Gasoline Engine Considering Heat Transfer Effect
Turbine Performance of Variable Geometry Turbocharger Applied to Small Gasoline Engine Considering Heat Transfer Effect Open
The performance of the turbine in a variable geometry turbocharger (VGT) may be affected by changes in the vane operating angle and heat transfer loss during operation. However, existing studies have been conducted under the assumption of …
View article: Janus‐Type Photophysics of Rotational Isomers in a Diphenylanthracene Dimer
Janus‐Type Photophysics of Rotational Isomers in a Diphenylanthracene Dimer Open
Organic molecular dimers serve as valuable model systems for manipulating and exploring interchromophore interactions. However, the structural flexibility introduced by linker or chromophore rotation gives rise to conformational isomers wi…
View article: Estimation of Low Flow Using a Regionalization Approach Accounting for Spatial Heterogeneity
Estimation of Low Flow Using a Regionalization Approach Accounting for Spatial Heterogeneity Open
This study applied a regionalization approach that accounted for spatial heterogeneity to estimate low flows in the Nakdong River Basin and compared the performance of global and regional regression models. Low-flow measures were transform…
View article: Purifying the Faith, Acting for Progress: Reinterpreting Muhammadiyah
Purifying the Faith, Acting for Progress: Reinterpreting Muhammadiyah Open
This paper investigates Muhammadiyah, specifically exploring the intricate relationship between purification and social activism and addressing the interpretive challenges inherent in their connection. It posits that ijtihad and progress, …
View article: Mandibular metastasis of papillary thyroid carcinoma: a case report and systematic literature review
Mandibular metastasis of papillary thyroid carcinoma: a case report and systematic literature review Open
In this paper, we systematically review the literature on papillary thyroid carcinoma (PTC) metastasis to the mandible. This is a rare oc-currence, especially in young, asymptomatic patients. We propose appropriate surgical and adjuvant th…
View article: Study on the Washing of CBRN Protective Clothing and Its Penetration Performancea
Study on the Washing of CBRN Protective Clothing and Its Penetration Performancea Open
This study analyzed the penetration performance characteristics of activated carbon-based CBRN protective clothing before and after washing. Experiments were conducted applying various washing conditions, including types of washing machine…
View article: Tau reduction impairs nephrocyte function in Drosophila.
Tau reduction impairs nephrocyte function in Drosophila. Open
Tau, a microtubule-associated protein, is known for its significant involvement in neurodegenerative diseases. While various molecular and immunohistochemical techniques have confirmed the presence of Tau in podocytes, its precise function…
View article: Initial Undershoot in Discrete-Time Input–Output Hammerstein Systems
Initial Undershoot in Discrete-Time Input–Output Hammerstein Systems Open
This paper considers initial undershoot in the step response of discrete-time, input-output Hammerstein (DIH) systems, which have linear unforced dynamics and nonlinear zero dynamics (ZD). Initial undershoot occurs when the step response o…
View article: <i>Aster spathulifolius</i> Maxim. Alleviates Primary Dysmenorrhea in a Mouse Model by Modulating Myometrial Contractions via NF‐κB/COX‐2 Pathway Inhibition
<i>Aster spathulifolius</i> Maxim. Alleviates Primary Dysmenorrhea in a Mouse Model by Modulating Myometrial Contractions via NF‐κB/COX‐2 Pathway Inhibition Open
Primary dysmenorrhea (PD) is characterized by excessive uterine contraction and ischemic vasoconstriction, primarily driven by elevated levels of prostaglandins (PGs; PGF2α) and inflammatory mediators. Nonsteroidal antiinflammatory drugs (…
View article: Characterization of the cellular components of mouse collecting lymphatic vessels reveals that lymphatic muscle cells are the innate pacemaker cells regulating lymphatic contractions
Characterization of the cellular components of mouse collecting lymphatic vessels reveals that lymphatic muscle cells are the innate pacemaker cells regulating lymphatic contractions Open
Collecting lymphatic vessels (cLVs) exhibit spontaneous contractions with a pressure-dependent frequency, but the identity of the lymphatic pacemaker cell is still debated. By analogy to pacemakers in the GI and lower urinary tracts, propo…
View article: 6971 Effects of the Hybrid Closed-loop System in Pediatric-Onset Type 1 Diabetes
6971 Effects of the Hybrid Closed-loop System in Pediatric-Onset Type 1 Diabetes Open
Disclosure: H. Woo: None. J. Yoo: None. S. Shin: None. Y. Lee: None. H. Kim: None. M. Gu: None. J. Kim: None. J. Kim: None. C. Shin: None. Y. Lee: None. Purpose: We evaluated the effectiveness and limitations of the MiniMedTM 770G, a hybri…
View article: Classification and comparison of impacted tooth extraction costs with OECD countries: Running title : Cost of impacted tooth extraction in OECD countries
Classification and comparison of impacted tooth extraction costs with OECD countries: Running title : Cost of impacted tooth extraction in OECD countries Open
Purpose: The purpose of this study is to compare the cost of impacted tooth extraction in Korea and some OECD countries and ultimately use it as basic data for the future revision of the relative value of national health insurance.Material…
View article: High-Dose Rifampicin for 3 Months after Culture Conversion for Drug-Susceptible Pulmonary Tuberculosis
High-Dose Rifampicin for 3 Months after Culture Conversion for Drug-Susceptible Pulmonary Tuberculosis Open
Background: This study aimed to determine whether a shorter high-dose rifampicin regimen is non-inferior to the standard 6-month tuberculosis regimen.Methods: This multicenter, randomized, open-label, non-inferiority trial enrolled partici…
View article: Cell viability measured by cytotoxicity assay as a biomarker of chronic obstructive pulmonary disease exacerbation: a prospective cohort study
Cell viability measured by cytotoxicity assay as a biomarker of chronic obstructive pulmonary disease exacerbation: a prospective cohort study Open
Background and objective Acute severe exacerbation of chronic obstructive pulmonary disease (COPD) is related to high mortality; however, a robust blood biomarker for COPD exacerbation has not been established. Impaired clearance of apopto…
View article: Assessment of traumatic mandibular nerve using MR neurography sequence: a preliminary study
Assessment of traumatic mandibular nerve using MR neurography sequence: a preliminary study Open
Background Iatrogenic mandibular nerve damage resulting from oral surgeries and dental procedures is painful and a formidable challenge for patients and oral surgeons alike, mainly because the absence of objective and quantitative methods …
View article: Synchronous occurrence of oral squamous cell carcinoma and Warthin’s tumor: systematic review and case report
Synchronous occurrence of oral squamous cell carcinoma and Warthin’s tumor: systematic review and case report Open
We systematically reviewed the literature on the co-occurrence of squamous cell carcinoma (SCC) and Warthin's tumor (WT), thought to be quite rare, to help reduce misdiagnosis and improve treatment planning. For this systematic review, we …
View article: Development and Validation of a Machine Learning Model for Early Prediction of Delirium in Intensive Care Units Using Continuous Physiological Data: Retrospective Study (Preprint)
Development and Validation of a Machine Learning Model for Early Prediction of Delirium in Intensive Care Units Using Continuous Physiological Data: Retrospective Study (Preprint) Open
BACKGROUND Delirium in intensive care unit (ICU) patients poses a significant challenge, affecting patient outcomes and health care efficiency. Developing an accurate, real-time prediction model for delirium represents an advancement in c…
View article: Implications of TP-positive CAFs as a possible inducer of bone invasion in the pathogenesis of oral squamous cell carcinoma
Implications of TP-positive CAFs as a possible inducer of bone invasion in the pathogenesis of oral squamous cell carcinoma Open
Objectives Recently, cancer-associated fibroblasts (CAFs) have been suggested as key cellular components of bone invasion in oral squamous cell carcinoma (OSCC). However, the underlying molecular mechanisms, as well as the subtypes related…
View article: Outcome of Atezolizumab Plus Bevacizumab Combination Therapy in High-Risk Patients with Advanced Hepatocellular Carcinoma
Outcome of Atezolizumab Plus Bevacizumab Combination Therapy in High-Risk Patients with Advanced Hepatocellular Carcinoma Open
Real-world data regarding treatment with atezolizumab plus bevacizumab in high-risk patients with advanced HCC are lacking. In this multicenter retrospective cohort study, a total of 215 patients with advanced HCC received atezolizumab plu…