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Hydrangeae Dulcis Folium Attenuates Physical Stress by Supressing ACTH-Induced Cortisol in Zebrafish

Chinese Journal of Integrative Medicine 2020年第2期26卷 130-137页

作者： Junyoung Oh Dong Hyun kim Gi-young kim Eun-Jin Park Jong Hoon Ryu Ji wook Jung Se Jin Park gwang-woo kim Seungheon Lee Department of Marine Life Science College of Ocean ScienceJeju National UniversityJeju(63243)Republic of Korea Departme nt of Medicinal Biotech no logy College of Health SciencesDong-A UniversityBusan(604-714)Republic of Korea Department of Food Bioengineering Jeju National UniversityJeju(63243)Republic of Korea Institute of Convergence BioHealth Dong-A UniversityBusan(604-714)Republic of Korea Department of Oriental Pharmaceutical Science College of PharmacyKyung Hee UniversityHoeki-dongDongdaemoon・KuSeoul(130-701)Republic of Korea Kyung Hee East-West Pharmaceutical Research Institute College of PharmacyKyung Hee UniversityHoeki-dongDongdaemoorvKuSeoul(130-701)Republic of Korea Department of Herbal Medicinal Pharmacology College of Herbal Bio-industryDaegu Haany UniversityYugok-dongGyeongsan(712-715)Republic of Korea School of Natural Resources and Environmental Sciences Kangwon National UniversityChuncheon(24341)Republic of Korea Marine Bio Con verge nee Center Gangneung Science&In dustry Promotion AgencyGangneung(25440)Republic of Korea

Objective:To determine the effects of Hydrangeae Dulcis Folium(EHDF)on physical stress,changes in the whole-body cortisol level and behaviour in zebrafish(Danio rerio).Methods:One hundred and seventy-four fish were randomly divided into 4[adrenocorticotropin hormone(ACTH)challenge test:4 fish per group]or 6 groups(behavioural test:10–12 fish per group,whole-body cortisol:4 fish per group).Net handling stress(NHS)was used to induce physical *** were treated with vehicle or EHDF(5–20 mg/L)for 6 min before they were exposed to *** then,fish were sacrificed for collecting body fluid from whole-body or conducted behavioural tests,including novel tank test and open field test,and were evaluated to observe anxiety-like behaviours and *** addition,to elucidate the mode of action of the anti-stress effects of EHDF,ACTH(0.2 IU/g,i.p.)challenge test was ***:The increased anxiety-like behaviours in novel tank test and open field test under stress were prevented by treatment with EHDF at 5–20 mg/L(P<0.05).Moreover,compared with the unstressed group,which was not treated with NHS,the whole-body cortisol level was significantly increased by treatment with NHS(P<0.05).Compared with the NHS-treated stressed control group,pre-treatment with EHDF at concentrations of 5–20 mg/L for 6 min significantly prevented the NHS-increased whole-body cortisol level(P<0.05).In addition,ACTH challenge test showed that EHDF completely blocked the effects of ACTH on cortisol secretion(P<0.05).Conclusion:EHDF may be a good antistress candidate and its mechanism of action may be related to its positive effects on cortisol release.

关键词： net handling stress zebrafish Hydrangeae Dulcis Folium whole-body cortisol behavioural tests

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Aligned Ion Conduction Pathway of Polyrotaxane‑Based Electrolyte with Dispersed Hydrophobic Chains for Solid‑State Lithium–Oxygen Batteries

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Nano-Micro Letters 2025年第2期17卷 169-186页

作者： Bitgaram kim Myeong‑Chang Sung gwang‑Hee Lee Byoungjoon Hwang Sojung Seo Ji‑Hun Seo Dong‑Wan kim Department of Materials Science and Engineering Korea University145 Anam‑RoSeongbuk‑GuSeoul 02841Republic of Korea School of Civil Environmental and Architectural EngineeringKorea University145 Anam‑RoSeongbuk‑GuSeoul 02841Republic of Korea Materials Science and Chemical Engineering Center Institute for Advanced Engineering(IAE)Yongin 17180Republic of Korea

A critical challenge hindering the practical application of lithium–oxygen batteries(LOBs)is the inevitable problems associated with liquid electrolytes,such as evaporation and safety *** study addresses these problems by proposing a modified polyrotaxane(mPR)-based solid polymer electrolyte(SPE)design that simultaneously mitigates solvent-related problems and improves ***-SPE exhibits high ion conductivity(2.8×10^(−3)S cm^(−1)at 25℃)through aligned ion conduction pathways and provides electrode protection ability through hydrophobic chain *** this mPR-SPE into solid-state LOBs resulted in stable potentials over 300 *** situ Raman spectroscopy reveals the presence of an LiO_(2)intermediate alongside Li_(2)O_(2)during oxygen *** situ X-ray diffraction confirm the ability of the SPE to hinder the permeation of oxygen and moisture,as demonstrated by the air permeability *** present study suggests that maintaining a low residual solvent while achieving high ionic conductivity is crucial for restricting the sub-reactions of solid-state LOBs.

关键词： Solid polymer electrolyte Lithium-oxygen batteries Polyrotaxane ion conductivity Hydrophobic chain

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Chicken soup for teaching and learning ESD

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World Journal of Gastroenterology 2011年第21期17卷 2618-2622页

作者： Eun Young kim Seong woo Jeon gwang Ha kim Division of Gastroenterology Department of Internal MedicineCatholic University of Daegu School of Medicine Division of Gastroenterology Department of Internal MedicineKyungpook National University School of Medicine Department of Internal Medicine Pusan National University School of Medicine and Medical Research InstitutePusan National University Hospital

Endoscopic submucosal dissection(ESD) is becoming a popular procedure for the diagnosis and treatment of superficial mucosal lesions,and has the advantage of en bloc resection which yields a higher complete resection and remission rate compared to endoscopic mucosal resection(EMR).However,the learning process of this advanced endoscopic procedure requires a lengthy training period and considerable experience to be proficient.A well framed training protocol which is safe,effective,easily reproducible and cost-effective is desirable to teach *** addition,the training course may need to be tailored around settings such as ethnicity,culture,workload,and disease *** Asian countries with a large volume of early gastric lesions which need endoscopic treatment,endoscopists would be able to learn ESD expanding their skills from EMR to ESD under the supervision of ***,in Western countries due to the low incidence of superficial gastric tumors,trials have utilized simulator models to improve *** Korea,the Korean Society of Gastrointestinal Endoscopy(KSGE) is playing an important role in training many gastroenterologists who have shown an interest in performing ESD by providing an annual live demonstration and a nationwide tutoring *** purpose of this article is to introduce our ESD tutoring experience,review the published papers related to this topic,and propose several suggestions for future directions in teaching and learning ESD.

关键词： Endoscopic submucosal dissection Learning Teaching

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On the Stability of the Generalized Sine Functional Equations

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Acta Mathematica Sinica,English Series 2009年第1期25卷 29-38页

作者： gwang Hui kim Department of Applied Mathematics Kangnam University

The aim of this paper is to study the stability problem of the generalized sine functional equations as follows：g（x）f（y）=f（x＋y/2）^2-f（x-y/2）^2 f（x）g（y）=f（x＋y/2）^2-f（x-y/2）^2,g（x）g（y）=f（x＋y/2）... 详细信息

关键词： stability superstability sine functional equation cosine functional equation.

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Reduction of chromium ore by recycled silicon cutting sludge waste with carbon addition

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Journal of Iron and Steel Research International 2019年第8期26卷 806-817页

作者： woo-gwang Jung Sakib Tanvir Hossain Fatima Tuz Johra Jong-ho kim Young-chul Chang School of Materials Science and Engineering Kookmin University Seoul 02707 Korea Department of Materials Science and Engineering Graduate School of Kookmin University Seoul 02707 Korea Advanced Metals Research Group Research Institute of Industrial Science and Technology (RIST) Pohang City 37673 Korea Department of Mechatronics Engineering Korea University of Technology and Education Cheonan-si 31253 Korea

A basic study on the feasibility of producing ferrochrome (silicon) alloys using Si sludge waste collected from the silicon ingot cutting process was carried out, and the effects of the addition of carbon components, reaction time, and reaction temperature on the silicothermic reduction of chromium ore by Si sludge were studied. The cordierite (Mg2Al4Si5O18) phase was generated in the slag, and the Fe-Cr(-Si)-C alloy was formed by the silicothermic reduction. Moreover, the addition of carbon powder lowered the reduction initiating temperature, and the reduction ratio based on the oxygen content was evaluated at around 68-88% at 1573 K, which increased with an increase in carbon. However, it was difficult to find a significant difference in the reduction behavior in response to increasing the holding time. The reduced fer-rochrome (Fe-Cr) metal alloy droplets coalesced more intensively with an increase in reduction temperature, and for manufacturing the Fe-Cr alloy, it is estimated that a temperature of 1773 K or higher is required for good separation of the slag and the metal. Furthermore, the metallization ratio was defined, and higher values are evaluated for Fe than for Cr.

关键词： Chromium ore Ferrochrome alloy Silicon sludge waste Silicothermic reduction Reduction ratio Metallization ratio

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Endoscopic submucosal dissection for early gastric cancer:It is time to consider the quality of its outcomes

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World Journal of Gastroenterology 2023年第43期29卷 5800-5803页

作者： gwang Ha kim Internal Medicine Pusan National University School of Medicine and Biomedical Research InstitutePusan National University HospitalBusan 47241South Korea

Endoscopic resection,particularly endoscopic submucosal dissection(ESD),is widely used as a standard treatment modality for early gastric cancer(EGC)when the risk of lymph node metastasis is *** with surgical gastrectomy,ESD is a minimally invasive procedure with additional advantages,such as preservation of the entire stomach and maintenance of the patient’s quality of ***,not all patients achieve curative resection after ESD of *** patients require surgical gastrectomy after ESD to achieve a curative *** surgery after ESD,owing to non-curative resection,places considerable emotional and financial burdens on ***,as the number of endoscopists performing ESD has increased,the rate of non-curative resection after ESD has increased *** order to decrease the non-curative resection rate,as well as determine the ideal rate of non-curative resection after ESD,it is time to consider quality indicators for the outcomes of ESD for EGC.

关键词： Early gastric cancer Endoscopic resection Quality indicator

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Globus pharyngeus:A review of its etiology,diagnosis and treatment

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World Journal of Gastroenterology 2012年第20期18卷 2462-2471页

作者： Bong Eun Lee gwang Ha kim Department of Internal Medi cine Pusan National University School of Medicine and Biomedical Research InstitutePusan National University Hospital Busan 602-739South Korea

Globus is a persistent or intermittent non-painful sensation of a lump or foreign body in the *** is a commonly encountered clinical condition that is usually long-lasting,difficult to treat,and has a tendency to ***,due to the uncertain etiology of globus,it remains difficult to establish standard investigation and treatment strategies for affected patients. As a first step for managing globus,careful history taking and nasolaryngoscopy are *** the benign nature of the condition and the recent notion that gastroesophageal reflux disease is a major cause of globus,empirical therapy with a high dose of proton pump inhibitors is reasonable for patients with typical *** patients are nonresponsive to this therapy, definitive assessments such as endoscopy,multichannel intraluminal impedance/pH monitoring,and ma-nometry should be *** and language therapy,anti-depressants,and cognitive-behavioral therapy can be helpful in patients whose symptoms persist despite negative investigations.

关键词： Diagnosis Gastroesophageal reflux disease Globus Proton pump inhibitor Treatment

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Recent Advances in Patterning Strategies for Full‑Color Perovskite Light‑Emitting Diodes

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Nano-Micro Letters 2024年第3期16卷 99-137页

作者： gwang Heon Lee Kiwook kim Yunho kim Jiwoong Yang Moon Kee Choi Graduate School of Semiconductor Materials and Devices Engineering Center for Future Semiconductor Technology(FUST)Ulsan National Institute of Science and Technology(UNIST)Ulsan 44919Republic of Korea Department of Energy Science and Engineering Daegu Gyeongbuk Institute of Science and Technology(DGIST)Daegu 42988Republic of Korea Energy Science and Engineering Research Center Daegu Gyeongbuk Institute of Science and Technology(DGIST)Daegu 42988Republic of Korea Department of Materials Science and Engineering Ulsan National Institute of Science and Technology(UNIST)Ulsan 44919Republic of Korea Center for Nanoparticle Research Institute for Basic Science(IBS)Seoul 08826Republic of Korea

Metal halide perovskites have emerged as promising light-emitting materials for next-generation displays owing to their remarkable material characteristics including broad color tunability,pure color emission with remarkably narrow bandwidths,high quantum yield,and solution *** recent advances have pushed the luminance efficiency of monochromic perovskite light-emitting diodes(PeLEDs)to their theoretical limits,their current fabrication using the spincoating process poses limitations for fabrication of full-color *** integrate PeLEDs into full-color display panels,it is crucial to pattern red–green–blue(RGB)perovskite pixels,while mitigating issues such as cross-contamination and reductions in luminous ***,we present state-of-the-art patterning technologies for the development of full-color ***,we highlight recent advances in the development of efficient ***,we discuss various patterning techniques of MPHs(i.e.,photolithography,inkjet printing,electron beam lithography and laserassisted lithography,electrohydrodynamic jet printing,thermal evaporation,and transfer printing)for fabrication of RGB pixelated *** patterning techniques can be classified into two distinct approaches:in situ crystallization patterning using perovskite precursors and patterning of colloidal perovskite *** review highlights advancements and limitations in patterning techniques for PeLEDs,paving the way for integrating PeLEDs into full-color panels.

关键词： Perovskite Light-emitting diode Full-color display High-resolution patterning Electroluminescence

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Spatial and spectral measurement of laser-driven protons through radioactivation

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Nuclear Science and Techniques 2023年第12期34卷 30-39页

作者： Yin‑Ren Shou Xue‑Zhi Wu gwang‑Eun Ahn Seung Yeon kim Seong Hoon kim Hwang woon Lee Jin woo Yoon Jae Hee Sung Seong Ku Lee Xue‑Qing Yan Il woo Choi Chang Hee Nam Center for Relativistic Laser Science Institute for Basic ScienceGwangju 61005Republic of Korea School of Physics Peking UniversityBeijing 100871China Advanced Photonics Research Institute Gwangju Institute of Science and TechnologyGwangju 61005Republic of Korea Department of Physics and Photon Science Gwangju Institute of Science and TechnologyGwangju 61005Republic of Korea

The simultaneous measurement of the spatial profile and spectrum of laser-accelerated protons is important for further optimization of the beam qualities and *** report a detailed study regarding the underlying physics and regular procedure of such a measurement through the radioactivation of a stack composed of aluminum,copper,and CR-39 plates as well as radiochromic films(RCFs).After being radioactivated,the copper plates are placed on imaging plates(IPs)to detect the positrons emitted by the reaction products through contact *** spectrum and energy-dependent spatial profile of the protons are then obtained from the IPs and confirmed by the measured ones from the RCFs and CR-39 *** also discuss the detection range,influence of electrons,radiation safety,and spatial resolution of this ***,insights regarding the extension of the current method to online measurements and dynamic proton imaging are also provided.

关键词： Laser-driven proton acceleration Proton-induced nuclear reaction Radioactivation measurement Contact imaging

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Long-term follow up of endoscopic resection for type 3 gastric NET

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World Journal of Gastroenterology 2013年第46期19卷 8703-8708页

作者： Yong Hwan Kwon Seong woo Jeon gwang Ha kim Jin Il kim Il-Kwun Chung Sam Ryong Jee Heung Up kim Geom Seog Seo gwang Ho Baik Kee Don Choi Jeong Seop Moon Department of Internal Medicine Kyungpook National University Hospital Department of Internal Medicine Busan National University School of Medicine Department of Internal Medicine Catholic University of Korea College of Medicine Department of Internal Medicine Soonchunhyang University Department of Internal Medicine Inje University Pusan Paik Hospital Department of Internal Medicine Jeju National University School of Medicine Department of Internal Medicine Digestive Disease Research InstituteWonkwang University College of Medicine Department of Internal Medicine Hallym University College of Medicine Department of Internal Medicine University of Ulsan College of MedicineAsan Medical Center Department of Internal Medicine Inje University Seoul Paik Hospital

AIM:To clarify the short and long-term results and to prove the usefulness of endoscopic resection in type 3gastric neuroendocrine tumors(NETs).METHODS:Of the 119 type 3 gastric NETs diagnosed from January 1996 to September 2011,50 patients treated with endoscopic resection were enrolled in this *** endoscopic resection,endoscopic mucosal resection(EMR)or endoscopic submucosal dissection(ESD)was *** efficacy,complications,and follow-up results were evaluated ***:EMR was performed in 41 cases and ESD in 9 *** complete resection was performed in 40 cases(80.0%)and incomplete resection specimens were observed in 10 cases(7 vs 3 patients in the EMR vs ESD group,P=0.249).Upon analysis of the incomplete resection group,lateral or vertical margin invasion was found in six cases(14.6%)in the EMR group and in one case in the ESD group(11.1%).Lymphovascular invasions were observed in two cases(22.2%)in the ESD group and in one case(2.4%)in the EMR group(P=0.080).During the follow-up period(43.73;13-60 mo),there was no evidence of tumor recurrence in either the pathologically complete resection group or the incomplete resection *** recurrence was reported during *** addition,no mortality was reported in either the complete resection group or the incomplete resection group for the duration of the follow-up ***:Less than 2 cm sized confined submucosal layer type 3 gastric NET with no evidence of lymphovascular invasion,endoscopic treatment could be considered at initial treatment.

关键词： Stomach Neuroendocrine tumor Endo-scopic resection Treatment Carcinoid

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