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Is a split-dose regimen of 2 L polyethylene glycol plus ascorbic acid tolerable for colonoscopy in an early morning visit to a comprehensive medical check-up?

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World Journal of Gastroenterology 2017年第6期23卷 1030-1037页

作者： Ji Yeon Seo Changhyun Lee eun Hyo Jin Mi Hyun Yun Joo Hyun Lim hae Yeon Kang Jong In Yang Su Jin Chung Sun Young Yang Joo Sung kim Department of Internal Medicine and Healthcare Research Institute Healthcare System Gangnam CenterSeoul National University Hospital Department of Nursing Healthcare System Gangnam CenterSeoul National University Hospital

To evaluate the effectiveness and tolerability of a split-dose 2 L polyethylene glycol (PEG)/ascorbic acid (AA) regimen for healthy examinees who visited for comprehensive medical check-up in the early *** February 2015 to March 2015, examinees of average risk who were scheduled for a colonoscopy in the morning were retrospectively *** 189 examinees were divided into split-dose and non-split-dose groups. The adequacy of bowel preparation for the split-dose group vs the non-split-dose group was 96.8% vs 85.2%, respectively, P < 0.001, and the compliance of the last meal restriction was 74.6% vs 58.2%, respectively, P < 0.001. The sleep disturbance (P < 0.001) was more prevalent in the split-dose group, however the willingness to repeat the same preparation method (P = 0.243) was not different in both groups. The split-dose regimen was the most important factor influencing adequate bowel preparation in multivariate analysis (HR = 10.89, 95%CI: 6.53-18.17, P < 0.001).CONCLUSIONA split-dose regimen of 2 L PEG/AA for an early morning colonoscopy was more effective and showed better compliance for diet restriction without any difference in satisfaction and discomfort. Introducing a split-dose regimen of 2 L PEG/AA to morning colonoscopy examinees is effective and tolerable in a comprehensive medical check-up setting.

关键词： Compliance Early morning colonoscopy Effectiveness Split-dose regimen Tolerability

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Clinical characteristics of asymptomatic Terson syndrome in the patients with aneurysmal subarachnoid hemorrhage

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International Journal of Ophthalmology(English edition) 2020年第2期13卷 292-300页

作者： hae Min Kang Jin Mo Cho So Yeon kim Jeong Hoon Choi Department of Ophthalmology Catholic Kwandong UniversityInternational St.Mary’s HospitalIncheon 22711Republic of Korea Department of Neurosurgery Catholic Kwandong UniversityInternational St.Mary’s HospitalIncheon 22711Republic of Korea Department of Ophthalmology Choikang Eye ClinicSeoul 01110Republic of Korea

●AIM:To investigate clinical characteristics of asymptomatic Terson syndrome and its clinical impact in patients with aneurysmal subarachnoid hemorrhage(SAH).●METHODS:This retrospective,interventional study included 31 patients with aneurysmal SAH,and the medical records were *** addition to baseline characteristics of the study population such as age,sex,and underlying medical history,multi-modal imaging analysis,including fluorescein angiography(FA),spectral domain optical coherence tomography(SD-OCT),were also *** Coma Scale(GCS),Hunt-Hess(HH)grade,and Fisher scale at the time of admission,and functional outcome by using modified Rankin Scale(mRS)at 6 mo were compared.●RESULTS:Of the 31 patients,10 patients(32.3%)were diagnosed with Terson *** the patients with Terson syndrome did not report visual symptoms at the time of ophthalmologic *** showed microvascular changes of retinal capillaries and varying degrees of disc ***-OCT allowed intuitive anatomical localization of multi-layered retinal hemorrhages and assessment of ellipsoid zone *** patients with Terson syndrome showed significantly worse GCS(P=0.047)and HH grade(P=0.025)than those without,except Ficher scale(P=0.385).There was no significant difference in the mRS(P=0.250)at 6 *** baseline factors,the HH grade was the only significant factor associated with Terson syndrome(B=1.079,P=0.016).●CONCLUSION:In our study,32.3%of the patients have Terson syndrome without visual *** baseline HH grade is significantly correlated with Terson syndrome,and there is no significant difference in the functional outcome between the patients with and without Terson *** syndrome may develop without any visual symptoms as shown in our study,and ophthalmologic screening may be recommended to prevent further visual deterioration especially in the patients with poor HH grade at the time of aneurysmal SAH.

关键词： cerebral aneurysm subarachnoid hemorrhage Terson syndrome

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Enhancement of photoresponsive electrical characteristics of multilayer MoS2 transistors using rubrene patches

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Nano Research 2015年第3期8卷 790-800页

作者： eun Hei Cho Won Geun Song Cheol Joon Park Jeongyong kim Sunkook kim Jinsoo Joo Department of Physics Korea University Seou1136-713 R. O. Korea Department of Electronics and Radio Engineering Institute for Laser Engineering Kyung Hee University Yongin Gyeonggi-do 446-70 I R. O. Korea Center for Integrated Nanostructure Physics (CINAP) Institute for Basic Science (IBS) Department of Energy Science Sungkyunkwan University Suwon 440-746 R. O. Korea

Multilayer MoS2 is a promising active material for sensing, energy harvesting, and optoelectronic devices owing to its intriguing tunable electronic band structure. However, its optoelectronic applications have been limited due to its indirect band gap nature. In this study, we fabricated a new type of phototransistor using multilayer MoS2 crystal hybridized with p-type organic semiconducting rubrene patches. Owing to the outstanding photophysical properties of rubrene, the device characteristics such as charge mobility and photoresponsivity were considerably enhanced to an extent depending on the thickness of the rubrene patches. The enhanced photoresponsive conductance was analyzed in terms of the charge results of the nanoscale laser confocal time-resolved PL measurements. transfer doping effect, validated by the microscope photoluminescence （PL） and

关键词： MoS2 rubrene transistor photoresponsivity charge transfer

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Recent aspects of ketogenic diet in neurological disorders

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Acta Epileptologica 2021年第1期3卷 134-140页

作者： Hye eun Kwon Heung Dong kim Department of Pediatrics International St.Mary’s HospitalCatholic Kwandong UniversityCollege of MedicineIncheonSouth Korea Division of Pediatric Neurology Severance Children’s HospitalYonsei University College of Medicine50 Yonsei-roSinchon-dongSeodaemun-guSeoulSouth Korea

The ketogenic diet(KD)is a high-fat,low-carbohydrate diet,in which fat is used as the primary energy source through the production of ketone bodies(KBs)in place of *** KD was formally introduced in 1921 to mimic the biochemical changes associated with fasting and gained recognition as a potent treatment for pediatric epilepsy in the *** clinical and basic scientific knowledge that supports the anti-seizure efficacy,safety,and feasibility of using the KD in patients with epilepsy is ***,the International Ketogenic Diet Study Group’s consensus guidelines provide practical information in 2009 and *** KD is a broad-spectrum therapy for drug resistant epilepsy and is gaining attention as a potential therapy for other neurological *** article will review recent aspects on the use of the KD,including its mechanisms of action,KD alternatives,expanding its use across different age groups and regions,its use as a treatment for other neurologic disorders,and future research subjects.

关键词： epilepsy disorders neurological

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Advanced polymer materials-based electronic skins for tactile and non-contact sensing applications

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InfoMat 2023年第7期5卷 1-42页

作者： Feifei Yin Hongsen Niu eun-Seong kim Young Kee Shin Yang Li Nam-Young kim Department of Electronics Engineering Kwangwoon UniversitySeoulRepublic of Korea Department of Molecular Medicine and Biopharmaceutical Sciences Seoul National UniversitySeoulRepublic of Korea School of Information Science and Engineering University of JinanJinanthe People's Republic of China

Recently,polymer materials have been at the forefront of other materials in building high-performance flexible electronic skin(e-skin)devices due to con-spicuous advantages including excellent mechanical flexibility,good compatibil-ity,and high ***,most research works just paid considerable attention and effort to the design,construction,and possible application of e-skins that reproduce the tactile perception of the human skin sensory *** with tactile sensing devices,e-skins that aim to imitate the non-contact sensing features in the sensory system of human skin tend to avoid undesired issues such as bacteria spreading and mechanical *** further promote the development of e-skins to the human skin sensory system where tactile perception and non-contact sensing complement each other,significant progress and advances have been achieved in the field of polymer materials enabled e-skins for both tactile perception and non-contact sensing *** this review,the latest progress in polymer material-based e-skins with regard to tactile,non-contact sensing capabilities and their practical applications are *** fabrication strategies of polymer materials and their role in building high-performance e-skins for tactile and non-contact sensing are ***,we also review the research works that integrated the polymer-based tactile and non-contact e-skins into robots and prostheses,smart gloves,and VR/AR devices and addressed some representative problems to dem-onstrate their suitability in practical applications in human–machine ***,the current challenges in the construction of high-performance tactile and non-contact e-skins are highlighted and promising properties in this direction,by taking advantage of the polymer materials,are outlined.

关键词： electronic skins human-machine interaction non-contact sensing polymer materials tactile sensing

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Does antiviral therapy reduce complications of cirrhosis?

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World Journal of Gastroenterology 2014年第23期20卷 7306-7311页

作者： Goh eun Chung Jeong-Hoon Lee Yoon Jun kim Department of Internal Medicine Healthcare Research InstituteGangnam Healthcare CenterSeoul National University HospitalSeoul 135-984South Korea Department of Internal Medicine and Liver Research Institute Seoul National College of MedicineSeoul 110-744South Korea

Chronic hepatitis B infection is associated with the development of cirrhosis, hepatocellular carcinoma, and finally liver-related mortality. Each year, approximately, 2%-5% of patients with hepatitis B virus (HBV)-related compensated cirrhosis develop decompensation, with additional clinical manifestations, such as ascites, jaundice, hepatic encephalopathy, and gastrointestinal bleeding. The outcome of decompensated HBV-related cirrhosis is poor, with a 5-year survival of 14%-35% compared to 84% in patients with compensated cirrhosis. Because the risk of disease progression is closely linked to a patient’s serum HBV DNA level, antiviral therapy may suppress viral replication, stabilize liver function and improve survival. This article briefly reviews the role that antiviral therapy plays in cirrhosis complications, particularly, in decompensation and acute-on-chronic liver failure.

关键词： Antiviral therapy Cirrhosis Complication Hepatitis B Decompensation

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Antioxidant and anti-melanogenic activities of ultrasonic extract from Stichopus japonicus

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Asian Pacific Journal of Tropical Biomedicine 2020年第1期10卷 33-41页

作者： Yuling Ding Chanipa Jiratchayamaethasakul Junseong kim eun-A kim Soo-Jin Heo Seung-HongLee Department of Pharmaceutical Engineering Soonchunhyang UniversityAsan 31538Republic of Korea Jeju International Marine Science Center for Research&Education Korea Institute of Ocean Science&Technology(KIOST)Jeju 63349Republic of Korea

Objective:To investigate the antioxidant and anti-melanogenesis activities of an ultrasonic extract of red sea cucumber,Stichopus japonicus,collected from Jeju ***:Antioxidant activity experiments were assessed by an electron spin resonance system and a cellular model of immortalized human keratinocytes(HaCaT)to determine its radical scavenging activity and protective effects against 2,2’-azobis(2-amidinopropane)dihydrochloride(AAPH)-induced oxidative *** activity of the ultrasonic extract of red sea cucumber was also examined using the melanoma cell model B16F10 and mushroom *** the induction byα-melanocytestimulating hormone,the effects of the ultrasonic extract of red sea cucumber on intracellular tyrosinase activity,melanin content and the melanogenic protein expression of microphthalmia-associated transcription factor,tyrosinase,and tyrosinase-related proteins(TRP-1,and TRP-2)were ***:The ultrasonic extract of red sea cucumber significantly scavenged 2,2-diphenyl-1-picrylhydrazyl and alkyl radicals[IC50:(0.924±0.035)and(0.327±0.006)mg/mL,respectively],as well as showed a protective effect against oxidative stress and attenuated generation of intracellular reactive oxygen species on AAPHinduced HaCaT cells,with no cytotoxicity(12.5-400μg/mL).The ultrasonic extract of red sea cucumber also exhibited a tyrosinase inhibitory effect[IC50:(2.750±0.006)mg/mL].Onα-melanocytestimulating hormone-stimulated B16F10 melanoma cells,the ultrasonic extract of red sea cucumber(25-200μg/mL)significantly inhibited not only melanin synthesis and tyrosinase activity,but also protein expressions of microphthalmia-associated transcriptional factor,tyrosinase,TRP-1,and ***:The ultrasonic extract of red sea cucumber shows antioxidant and anti-melanogenic potential and may be a natural candidate for anti-aging as well as a whitening agent in the cosmeceuticals industry.

关键词： Red sea cucumber(Stichopus japonicus) Ultrasonic extract Antioxidant activity Anti-melanogenesis Cosmeceuticals

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Surface-area-tuned, quantum-dot-sensitized heterostructured nanoarchitectures for highly efficient photoelectrodes

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Nano Research 2014年第1期7卷 144-153页

作者： Sangbaek Park Donghoe kim Chan Woo Lee Seong-Deok Seo hae Jin kim Hyun Soo Han Kug Sun Hong Dong-Wan kim Department of Materials Science and Engineering Seoul National University Seou1151-744 Republic of Korea Department of Energy Systems Research and Department of Materials Science and Engineering Ajou University Suwon 443-749 Republic of Korea

Harvesting solar energy to produce clean hydrogen from photoelectrolysis of water presents a valuable opportunity to find alternatives for fossil fuels. Three- dimensional nanoarchitecturing techniques can afford enhanced photoelectrochemical properties by improving geometrical and structural effects. Here, we report quantum-dot sensitized TiO2-Sb：SnO2 heterostructures as a model electrode to enable the optimization of the structural effects through the creation of a highly conductive pathway using a transparent conducting oxide （TCO）, coupled with a high surface area, by introducing branching and low interfacial resistance via an epitaxial relationship. An examination of various morphologies （dot, rod, and lamella shape） of TiO2 reveals that the rod-shaped TiO2-Sb：SnO2 is a more effective structure than the others. A photoelectrode fabricated using optimized CdS--TiO2-Sb：SnO2 produces a photocurrent density of 7.75 mA/cm2 at 0.4 V versus a reversible hydrogen electrode. These results demonstrate that constructing a branched heterostructure based on TCO can realize highperformance photoelectrochemical devices.

关键词： photoelectrochemical hydrogen evolution antimony-doped tinoxide TiO2 quantum dot

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Molecular mechanisms regulating NLRP3 inflammasome activation

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Cellular & Molecular Immunology 2016年第2期13卷 148-159页

作者： eun-Kyeong Jo Jin Kyung kim Dong-Min Shin Chihiro Sasakawa Department of Microbiology Chungnam National University School of Medicine Daejeon 301-747 South Korea Infection Signaling Network Research Center Chungnam National University School of Medicine Daejeon 301-747 South Korea Medical Mycology Research Center Chiba University Chiba 260-8673 Japan Nippon Institute for Biological Science Tokyo 198-0024 Japan

Inflammasomes are multi-protein signaling complexes that trigger the activation of inflammatory caspases and the maturation of interleukin-1β. Among various inflammasome complexes, the NLRP3 inflammasome is best characterized and has been linked with various human autoinflammatory and autoimmune diseases. Thus, the NLRP3 inflammasome may be a promising target for anti-inflammatory therapies. In this review, we summarize the current understanding of the mechanisms by which the NLRP3 inflammasome is activated in the cytosol. We also describe the binding partners of NLRP3 inftammasome complexes activating or inhibiting the inflammasome assembly. Our knowledge of the mechanisms regulating NLRP3 inflammasome signaling and how these influence inflammatory responses offers further insight into potential therapeutic strategies to treat inflammatory diseases associated with dysregulation of the NLRP3 inflammasome,

关键词： inflammasome inflammation interaction mechanism NLRP3

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Boosting electrocatalytic activity with the formation of abundant heterointerfaces and N, S dual-doped carbon nanotube for rechargeable Zn-air battery

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Journal of Energy Chemistry 2023年第9期84卷 140-152页

作者： Rin Na Kyeongseok Min Hyejin kim Yujin Son Sang eun Shim Sung-Hyeon Baeck Department of Chemistry and Chemical Engineering Education and Research Center for Smart Energy Materials and ProcessInha UniversityIncheon 22212Republic of Korea

Herein,a facile synthetic strategy is proposed to fabricate high-performance electrocatalysts for rechargeable Zn-air batteries(ZABs).Heterostructured NiCo/NiCo_(2)S_(4) nanoparticles encapsulated in N-,S-co-doped CNT(NiCo/NiCo_(2)S_(4)@NSCNT) are synthesized via co-precipitation,thermal carbonization,and partial sulfidation *** strongly coupled NiCo/NiCo_(2)S_(4) heterostructure can improve the redox property and charge transfer ***,the CNTs with abundant foreign dopants provide high electrical conductivity and abundant defect sites for both the oxygen evolution reaction(OER) and oxygen reduction reaction(ORR).The prepared NiCo/NiCo_(2)S_(4)@NSCNT electrocatalyst exhibits a low overpotential of 349 mV at a current density of 10 mA cm-2 and a half-wave potential of 0.865 V for the OER and ORR,***,the ZAB assembled using as-prepared NiCo/NiCo_(2)S_(4)@NSCNT can provide superior specific capacity(756.16 mA h g_(Zn)^(-1)],peak power density(155.82 mW cm^(-2)),and long-term cyclability compared to those of the precious metal-based electrocatalyst(Pt/C+RuO_(2)).

关键词： Bifunctional electrocatalyst NiCo alloy Bimetallic sulfide Heterojunction Zinc–air battery

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