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Health behaviors of Korean adults with hepatitis B:Findings of the 2016 Korean National Health and Nutrition Examination Survey

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World Journal of Gastroenterology 2018年第28期24卷 3163-3170页

作者： Yu-Hyeon Yi Yun-Jin Kim Sang-Yeoup lee Byung-Mann Cho Young-Hye Cho jeong-gyu lee Department of Family Medicine Pusan National University School of Medicine Medical Research Institute Pusan National University Hospital Busan Tobacco Control Center Pusan National University Hospital Department of Medical Education Pusan National University School of Medicine Family Medicine Clinic Pusan National University Yangsan Hospital Department of Preventive Medicine and Occupational Medicine Pusan National University School of Medicine

AIM To assess the frequencies of five health-related behaviors(smoking, alcohol consumption, body weight, sleep dura-tion, and physical activity) in Korean adults with chronic hepatitis *** Data were obtained from the 2016 Korean National Health and Nutrition Examination Survey. In total, 5887 subjects(2568 males, 3319 females) over 19 years old were enrolled in this study. Interviews were performed to obtain information on demographic characteristics and medical conditions. A self-administered questionnaire and medical examination were used to assess the smoking history, alcohol use, physical activity, sleep duration, and body weight of the subjects. Chronic hepatitis B was diagnosed based on detection of hepatitis B surface antigen(HBs Ag). The subjects were categorized into HBs Ag positive and negative groups, and a complex sampling analysis was conducted to compare the health behaviors between these *** Among males, the current smoking rate in the HBs Ag positive group was higher than that in the negative group(45.5% vs 38.5%). In the positive group, the rates of monthly and high-risk alcohol use were 70.4% and 17.6% in males and 45.9% and 3.8% in females, respectively. The rate of alcohol use was similar between the two groups [P = 0.455(males) and P = 0.476(females)]. In the HBs Ag positive group, 32.3% and 49.9% of males and 26.5% and 49.6% of females were overweight and physically inactive, respectively. High-risk alcohol consumption and physical inactivity were significantly associated with self-perceived health *** Our data demonstrate that a large proportion of Korean adults with chronic hepatitis B have poor health behaviors. Further studies are needed to confirm our results.

关键词： Health behavior Self-perceived health status Hepatitis Health risk behavior Health status

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Association of chronic viral hepatitis B with insulin resistance

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World Journal of Gastroenterology 2012年第42期18卷 6120-6126页

作者： jeong gyu lee Sangyeoup lee Yun Jin Kim Byung Mann Cho Joo Sung Park Hyung Hoi Kim JaeHun Cheong Dong Wook jeong Yu Hyun lee Young Hye Cho Mi Jin Bae Eun Jung Choi Department of Family Medicine Pusan National University School of MedicineBeomeo-ri Mulgeum-eupYangsan 626-770South Korea Department of Family Medicine Medical Research InstitutePusan National University HospitalBusan 602-739South Korea Medical Education Unit Pusan National University School of MedicineBeomeo-ri Mulgeum-eupYangsan 626-770South Korea Family Medicine Clinic Yangsan Pusan National University HospitalBeomeo-ri Mulgeum-eupYangsan 626-770South Korea Department of Preventive Medicine and Occupational Medicine Pusan National University School of MedicineBeomeo-ri Mulgeum-eupYangsan 626-770South Korea Department of Family Medicine Dong-A University Medical CenterBusan 602-715South Korea Department of Laboratory Medicine Biomedical Informatics UnitPusan National University School of MedicineBeomeo-ri Mulgeum-eupYangsan 626-770South Korea Department of Molecular Biology College of Natural SciencesPusan National UniversityBusan 602-739South Korea

AIM:To investigate the relationship between chronic viral hepatitis B(CVHB) and insulin resistance(IR) in Korean ***:A total of 7880 adults(3851 men,4029 women) who underwent a comprehensive medical examination were enrolled in this *** diagnosed with either diabetes mellitus,or any other disorder that could influence their insulin sensitivity,were ***,metabolic risk factors,hepatitis B surface antigen,hepatitis B surface antibody,hepatitis B core antibody,fasting plasma glucose and insulin were measured for all *** model assessment(HOMA),quantitative insulin check index(QUICKI),and Mf fm index were used for determining insulin *** participant was categorized into a negative,recovery,or CVHB *** compare variables between groups,a t-test and/or one-way analysis of variance were *** correlation coefficients were computed to present the association between insulin resistance and other *** logistic regression analysis was used to assess the independent association between CVHB and ***:The mean age of men and women were 48.9 and 48.6 years,*** in the CVHB group had significantly higher waist circumference [(86.0 ± 7.7 cm vs 87.3 ± 7.8 cm,P = 0.004 in men),(78.3 ± 8.6 cm vs 80.5 ± 8.5 cm,P < 0.001 in women)],cystatin C [(0.96 ± 0.15 mg/dL vs 1.02 ± 0.22 mg/dL,P < 0.001 in men),(0.84 ± 0.15 mg/dL vs 0.90 ± 0.16 mg/dL,P < 0.001 in women)],fasting insulin [(5.47 ± 3.38 U/mL vs 6.12 ± 4.62 U/mL,P < 0.001 in men),(4.57 ± 2.82 U/mL vs 5.06 ± 3.10 U/mL,P < 0.001 in women)] and HOMA index [(1.24 ± 0.86 vs 1.43 ± 1.24,P < 0.001 in men),(1.02 ± 0.76 vs 1.13 ± 0.87,P = 0.033 in women)] compared to control *** HOMA index revealed a positive correlation with body mass index(BMI)(r = 0.378,P < 0.001),waist circumference(r =0.356,P < 0.001),percent body fat(r = 0.296,P < 0.001),systolic blood pressure(r = 0.202,P < 0.001),total cholesterol(r = 0.134,P < 0.00

关键词： Hepatitis B Insulin resistance Diabetes mellitus type 2 Metabolic syndrome

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Serum 25-hydroxyvitamin deficiency in middle-aged a cross-sectional study D levels and testosterone Korean men：

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Asian Journal of Andrology 2015年第2期17卷 324-328,I0012页

作者： Young Jin Tak jeong gyu lee Yun Jin Kim Nam Cheol Park Sang Soo Kim Sangyeoup lee Byung Mann Cho Eun Hee Kong Dong Wook Jung Yu Hyeon Yi Department of Family Medicine Pusan National University School of Medicine Busan Korea Biomedical Research Institute Pusan National University Hospital Busan Korea Department of Urology Pusan National University School of Medicine Busan Korea Department of Internal Medicine Pusan National University School of Medicine Busan Korea Medical Education Unit Pusan National University School of Medicine Yangsan Korea Department of Preventive Medicine and Occupational Medicine Pusan National University School of Medicine Yangsan Korea Department of Family Medicine College of Medicine Kosin University Busan Korea.

Previous studies have demonstrated that male hypogonadism is associated with a low level of vitamin D. However, no reports have investigated the effects of vitamin D on testosterone levels in Korean men. Our aim was to investigate whether testosterone levels are associated with serum vitamin D levels and whether seasonal variation exists. This cross-sectional study analyzed serum 25-hydroxyvitamin D [25（OH）D], total testosterone （TT）, and free testosterone （FT） in 652 Korean men over 40 years of age who had undergone a comprehensive medical examination. The average age of the subjects was 56.7± 7.9 years, and the mean serum 25（OH）D, TT and FT levels were 21.23 ± 7.9 ng m1-1, 4.70 ±1.6 ng m1-1, and 8.12± 3.3 pg m1-1, respectively. In the multiple linear regression model, 25（OH）D showed positive association with TT （β =0.137, P〈 0.001） and FT （p =0.103, P= 0.008）. 25（OH） D and FT showed similar seasonal or monthly variation after adjustment for age. A vitamin D deficiency [25（OH）D 〈 20 ng m1-1] was associated with an increased risk of deficiencies of TT （〈2.30 ng ml-1）（odds ratio [OR]： 2.65; 95% confidence interval [CI]. 1.21-5.78, P = 0.014） and FT （〈6.50 pg ml-1）（OR： 1.44; 95% Ch 1.01-2.06 P = 0.048） after adjusting for age, season, body mass index, body composition, chronic disease, smoking, and alcohol use. In conclusion, we demonstrated a positive correlation between 25（OH）D and testosterone, which showed similar seasonal variation in Korean men.

关键词： 25-hydroxyvitamin D hypogonadism seasons testosterone vitamin D

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Single-cell and spatial omics:exploring hypothalamic heterogeneity

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Neural Regeneration Research 2025年第6期20卷 1525-1540页

作者： Muhammad Junaid Eun jeong lee Su Bin Lim Department of Biochemistry&Molecular Biology Ajou University School of MedicineSuwonSouth Korea Department of Biomedical Sciences Graduate School of Ajou UniversitySuwonSouth Korea Department of Brain Science Ajou University School of MedicineSuwonSouth Korea

Elucidating the complex dynamic cellular organization in the hypothalamus is critical for understanding its role in coordinating fundamental body functions. Over the past decade, single-cell and spatial omics technologies have significantly evolved, overcoming initial technical challenges in capturing and analyzing individual cells. These high-throughput omics technologies now offer a remarkable opportunity to comprehend the complex spatiotemporal patterns of transcriptional diversity and cell-type characteristics across the entire hypothalamus. Current single-cell and single-nucleus RNA sequencing methods comprehensively quantify gene expression by exploring distinct phenotypes across various subregions of the hypothalamus. However, single-cell/single-nucleus RNA sequencing requires isolating the cell/nuclei from the tissue, potentially resulting in the loss of spatial information concerning neuronal networks. Spatial transcriptomics methods, by bypassing the cell dissociation, can elucidate the intricate spatial organization of neural networks through their imaging and sequencing technologies. In this review, we highlight the applicative value of single-cell and spatial transcriptomics in exploring the complex molecular-genetic diversity of hypothalamic cell types, driven by recent high-throughput achievements.

关键词： cellular diversity hypothalamus multi-omics single-cell transcriptomics spatial transcriptomics

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Ru/NiMnB spherical cluster pillar for highly proficient green hydrogen electrocatalyst at high current density

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Journal of Energy Chemistry 2025年第1期100卷 397-408页

作者： Md Ahasan Habib Shusen Lin Mehedi Hasan Joni Sumiya Akter Dristy Rutuja Mandavkar Jae-Hun jeong Jihoon lee Department of Electronic Engineering College of Electronics and Information Kwangwoon University

Advanced OER/HER electrocatalytic alternatives are crucial for the wide adaptation of green hydrogen ***,Ru/NiMnB spherical cluster pillar （SCP）,denoted as Ru/NiMnB,is synthesized using a combination of electro-deposition and hydrothermal *** investigation of Ru doping in the NiMnB matrix revealed significant improvements in electrocatalytic *** Ru/NiMnB SCPs demonstrate superior OER/HER activity with low overpotentials of 150 and 103 mV at 50mA/cm2in 1 M KOH,making them highly competitive with state-of-the-art ***,the Ru/NiMnB SCPs exhibit a low 2-E cell voltage of 2.80 V at ultra-high current density of 2,000 m A/cm2in 1 M KOH,outperforming the standard benchmark electrodes of RuO2||Pt/C,thereby positioning Ru/NiMnB as one of the best bifunctional *** SCPs exhibit exceptional high-current characteristics,stability and corrosion resistance,as evidenced by continuous operation at 1,000 mA/cm2high-current density for over 150 h in 6 M KOH at elevated temperatures under harsh industrial *** a small amount of Ru incorporation significantly enhances the electrocatalytic performances of NiMnB,attributed to increased active sites and improved intrinsic properties such as conductivity,adsorption/desorption capability and reaction ***,Ru/NiMnB SCPs present a promising bi-functional electrode concept for efficient green H2production.

关键词： Advanced electrocatalyst High current Corrosion resistance Industrial requirement

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Unveiling anomalous lattice shrinkage induced by Pi-backbonding in Prussian blue analogues

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Journal of Energy Chemistry 2022年第7期31卷 121-128,I0004页

作者： Ju-Hyeon lee Jin-gyu Bae Hyeon jeong lee Ji Hoon lee School of Materials Science and Engineering Kyungpook National UniversityDaegu 41566Republic of Korea Department of Materials University of OxfordOxford OX13PHUnited Kingdom

Transition-metal(TM)-based Prussian blue and its analogues(TM-PBAs) have attracted considerable attention as cathode materials owing to their versatile ion storage capability with tunable working voltages. TM-PBAs with different crystal structures, morphologies, and TM combinations can exhibit excellent electrochemical properties because of their unique and robust host frameworks with well-defined ionic diffusion channels. Nonetheless, there is still a lack of understanding regarding the performance dependence of TM-PBAs on structural changes during charging/discharging processes. In this study, in situ X-ray diffraction and X-ray absorption fine structure analyses elucidate the TMdependent structural changes in a series of TM-PBAs during the charging and discharging *** the discharging process, the lattice volume of Fe-PBA increased while those of Ni-and Cu-PBAs decreased. This discrepancy is attributed to the extent of size reduction of the cyanometallate complex([Fe(CN)_(6)]) via pi-backbonding from Fe to C due to redox flips of the low-spin Fe^(3+/2+) ion. This study presents a comprehensive understanding of how TM selection affects capacity acquisition and phase transition in TM-PBAs, a promising class of cathode materials.

关键词： Prussian blue analogues X-ray diffraction X-ray absorption fine structure Pi-backdonation Cyanides

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Identification and comparison of the local physicochemical structures of transition metal-based layered double hydroxides for high performance electrochemical oxygen evolution reactions

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Journal of Energy Chemistry 2023年第12期87卷 89-97,I0004页

作者： Min Sung Kim Bipin Lamichhane Ju-Hyeon lee Jin-gyu Bae jeong Yeon Heo Hyeon jeong lee Shyam Kattel Ji Hoon lee School of Materials Science and Engineering Kyungpook National UniversityDaegu 41566Republic of Korea KNU Advanced Material Research Institute Kyungpook National UniversityDaegu 41566Republic of Korea Department of Materials Science and Engineering Ulsan National Institute of Science and TechnologyUlsan 44919Republic of Korea Department of Physics Florida A&M UniversityTallahasseeFlorida 32307United States

Layered double hydroxides(LDHs) have attracted considerable attention as a cost effective alternative to the precious iridium-and ruthenium-based electrocatalysts for an oxygen evolution reaction(OER),a bottleneck of water electrolysis for sustainable hydrogen *** their excellent OER performance,the structural and electronic properties of LDHs,particularly during the OER process,remain to be poorly *** this study,a series of LDH catalysts is investigated through in situ X-ray absorption fine structure analyses and density functional theory(DFT) *** experimental results reveal that the LDH catalyst with equal amounts of Ni and Fe(NF-LDH) exhibits the highest OER activity and catalytic life span when compared with its counterparts having equal amounts of Ni and Co(NC-LDH)and Ni only(Ni-LDH).The NF-LDH shows a markedly enhanced OER kinetics compared to the NC-LDH and the Ni-LDH,as proven by the lower overpotentials of 180,240,and 310 mV,respectively,and the Tafel slopes of 35.1,43.4,and 62.7 mV dec^(-1),*** DFT calculations demonstrate that the lowest overpotential of the NF-LDH is associated with the active sites located at the edge planes of NF-LDH in contrast to those located at the basal planes of Ni-LDH and *** current study pinpoints the active sites on various LDHs and presents strategies for optimizing the OER performance of the LDH catalysts.

关键词： Layered double hydroxides Oxygen evolution reaction In situ X-ray analyses Density functional theory Catalytic active sites

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Classification of Precipitation Types Using Fall Velocity–Diameter Relationships from 2D-Video Distrometer Measurements

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Advances in Atmospheric Sciences 2015年第9期32卷 1277-1290页

作者： jeong-Eun lee Sung-Hwa JUNG Hong-Mok PARK Soohyun KWON Pay-Liam LIN gyu Won lee Department of Astronomy and Atmospheric Sciences Research and Training Team for Future Creative Astrophysicists and CosmologistsKyungpook National University Center for Atmospheric Remote Sensing Kyungpook National University Departmentof Atmospheric Sciences NCUTaipei

Fall velocity–diameter relationships for four different snowflake types（dendrite,plate,needle,and graupel） were investigated in northeastern South Korea,and a new algorithm for classifying hydrometeors is proposed for distrometric measurements based on the new *** ice crystals（approximately 40 000 particles） were measured with a two-dimensional video disdrometer（2DVD） during a winter experiment from 15 January to 9 April *** fall velocity–diameter relationships were derived for the four types of snowflakes based on manual classification by experts using snow photos and 2DVD measurements：the coefficients（exponents） for different snowflake types were 0.82（0.24） for dendrite,0.74（0.35） for plate,1.03（0.71） for needle,and 1.30（0.94） for graupel,*** new relationships established in the present study（PS） were compared with those from two previous *** types were classified with the derived fall velocity–diameter relationships,and the classification algorithm was evaluated using 3 × 3 contingency tables for one rain–snow transition event and three snowfall *** algorithm showed good performance for the transition event：the critical success indices（CSIs） were 0.89,0.61 and 0.71 for snow,wet-snow and rain,*** snow events,the algorithm performance for dendrite and plate（CSIs = 1.0 and 1.0,respectively） was better than for needle and graupel（CSIs = 0.67 and 0.50,respectively）.

关键词： snowflake types wet snow fall velocity–diameter hydrometeor type classification 2DVD

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NLRP3 inflammasome activation and NETosis positively regulate each other and exacerbate proinflammatory responses:implications of NETosis inhibition for acne skin inflammation treatment

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Cellular & Molecular Immunology 2024年第5期21卷 466-478页

作者： Hyo jeong Kim Yun Sang lee Bok-Soon lee Chang-Hak Han Sang gyu Kim Chul-Ho Kim Department of Otolaryngology School of MedicineAjou UniversitySuwonRepublic of Korea Department of Molecular Science and Technology Ajou UniversitySuwonRepublic of Korea

Inflammasomes are multiprotein complexes involved in the host immune response to pathogen ***,inflammasomes participate in many conditions,such as ***,it was shown that NETosis,a type of neutrophil cell death,is induced by bacterial infection and is involved in inflammatory diseases such as delayed wound healing in patients with ***,the relationship between inflammasomes and NETosis in the pathogenesis of inflammatory diseases has not been well *** this study,we determined whether NETosis is induced in ***-induced skin inflammation and whether activation of the nucleotide-binding domain,leucine-rich family,and pyrin domain-containing-3(NLRP3)inflammasome is one of the key factors involved in NETosis induction in a mouse model of acne skin *** found that NETosis was induced in ***-induced skin inflammation in mice and that inhibition of NETosis ameliorated ***-induced skin *** addition,our results demonstrated that inhibiting inflammasome activation could suppress NETosis induction in mouse *** results indicate that inflammasomes and NETosis can interact with each other to induce ***-induced skin inflammation and suggest that targeting NETosis could be a potential treatment for inflammasome-mediated diseases as well as NETosis-related diseases.

关键词： P.acnes NETosis NLRP3 inflammasome Skin inflammation

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STUDY ON DRILLING CHARACTERISTICS AND MECHANICAL PROPERTIES OF CFRP COMPOSITES

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Acta Mechanica Solida Sinica 2008年第4期21卷 364-368页

作者： Seung-Chul lee Seong-Taek jeong Jong-Nam Park Sun-Jin Kim gyu-Jae Cho Department of Mechanical Engineering Chosun UniversityGraduate SchoolGwangjuKorea Small Business Corporation GwangjuKorea Department of Computer Mechanic Chosun College of Science & TechnologyGwangjuKorea Department of Fire Safety Management Seokang CollegyGwangjuKorea Department of Mechanical Engineering Chosun UniversityGwangjuKorea

Stacking plates of CFRP composite materials are increasingly used because of their unique characteristics. However, unlike other materials used in metallurgy they have a disadvantage of uneven quality and anisotropy when combined with other composites. Hence, specimens of CFRP stacking plates are manufactured by changing orientation angles throughout three quasiisotropic plies （0°/45°/90°/-45°）68, （03°/453°/903°/-453°）2s, and （06°/456°/906°/-456°）s and throughout three cross plies （0°/90°/0°/90°）68, （03 °/903 °/03°/903°）2s, and （06 °/906 °/06°/906°）8 In this study 3-point bending tests and transverse bending tests have been carried out in order to find out mechanical characteristics according to orientation angles by stacking in 6 different types along with the change of stacking composition method of a CFRP composite.

关键词： composite materials stacking plates

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