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Clinical characteristics of Helicobacter pylori-negative drugnegative peptic ulcer bleeding

World Journal of Gastroenterology 2015年第28期21卷 8636-8643页

作者： Woo Chul Chung Eun Jung Jeon Dae Bum kim Hea Jung Sung Yeon-Ji kim Eun Sun Lim min-ah kim Jung Hwan Oh Department of Internal Medicine St. Paul’s HospitalCollege of Medicine the Catholic University of Korea

AIM:To investigate the clinical characteristics and outcomes of idiopathic Helicobacter pylori(***)-negative and drug-negative]peptic ulcer bleeding(PUB).METHODS:A consecutive series of patients who experienced PUB between 2006 and 2012 was retrospectively analyzed.A total of 232 patients were enrolled in this *** patients were divided into four groups according to the etiologies of PUB:idiopathic,***-associated,drug-induced and combined(***-associated and drug-induced)*** compared the clinical characteristics and outcomes between the *** the silver stain or rapid urease tests were ***-negative,we obtained an additional biopsy specimen by endoscopic re-examination and performed an *** antibody test 6-8 wk after the initial endoscopic *** a diagnosis of idiopathic PUB,a negative result of an *** antibody test was *** all cases,re-bleeding was confirmed by endoscopic *** the risk assessment,the Blatchford and the Rockall scores were calculated for all ***:For PUB,the frequency of *** infection was 59.5%(138/232),whereas the frequency of idiopathic cases was 8.6%(20/232).When idiopathic PUB was compared to ***-associated PUB,the idiopathic PUB group showed a higher rate of rebleeding after initial hemostasis during the hospital stay(30%vs 7.4%,P = 0.02).When idiopathic PUB was compared to drug-induced PUB,the patients in the idiopathic PUB group showed a higher rate of rebleeding after initial hemostasis upon admission(30%vs 2.7%,P < 0.01).When drug-induced PUB was compared to ***-associated PUB,the patients in the drug-induced PUB were older(68.49 ± 14.76 years vs 47.83 ± 15.15 years,P< 0.01) and showed a higher proportion of gastric ulcer(77%vs 49%,P < 0.01).However,the Blatchford and the Rockall scores were not significantly different between the two *** the patients who experienced drug-induced PUB,no significant differences were found with respect

关键词： Peptic ulcer Gastrointestinal bleeding Helicobacter pylori Non-steroidal anti-inflammatorydrug

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The Effects of Sleep Deprivation on the Biophysical Properties of Facial Skin

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Journal of Cosmetics, Dermatological Sciences and Applications 2017年第1期7卷 34-47页

作者： min ah kim Eun Joo kim Byung Young Kang Hae Kwang Lee Skincare Research Institute AMOREPACIFIC R & D Center Yongin Korea

Lack of sleep is a problem in today’s society, and many people are concerned about changes in their outward appearance due to lack of sleep. People generally come up with some noticeable skin attributes as symptoms of sleep deficiency including rough, dull, and dry skin as well as droopy eyelids and dark eye circles. Several previous reports also suggested that poor sleep could affect the skin condition. The purpose of this study was to evaluate the effect of one night of sleep deprivation on various skin biophysical properties. Twenty four healthy females participated in a study of one night of sleep deprivation. Subjects were kept awake for one night in a laboratory with controlled temperature and relative humidity. The skin condition of each subject was evaluated after normal sleep pattern and after one night of sleep deprivation. The measured skin biophysical parameters included transepidermal water loss, facial pore size, and skin tone, hydration, elasticity, desquamation, translucency, and blood flow. The cheek, eye, and lip areas were evaluated. After one night of sleep deprivation, multiple skin biophysical parameters showed changes when compared to the baseline measurements. A significant decrease in skin hydration and impaired barrier function were observed (p minently (p < 0.05). The results demonstrated that the skin features that are recognized as symptoms of sleep deficiency actually showed remarkable differences after a period of sleep deprivation, and some of these features were confirmed in the eye, lip, as well as the cheek areas. This study revealed a significant association between sleep deprivation and skin biophysical properties by scientific measuring.

关键词： Sleep Deprivation Skin Biophysical Property Hydration Skin Barrier

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Identification of Aristolactam Derivatives That Act as Inhibitors of Human Immunodeficiency Virus Type 1 Infection and Replication by Targeting Tat-Mediated Viral Transcription

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Virologica Sinica 2021年第2期36卷 254-263页

作者： Young Hyun Shin Chul min Park Hong Gi kim Dong-Eun kim min Suk Choi Jeong-ah kim Byeong-Sun Choi Cheol-Hee Yoon Division of Viral Disease Research Center for Infectious Disease ResearchKorea National Institute of HealthHeungdeok-guCheongju-siShungbuk 28159Republic of Korea Center for Convergent Research of Emerging Virus Infection Korea Research Institute of Chemical TechnologyYuseong-guDaejeon 34114Republic of Korea

Despite the success of antiretroviral therapy(ART),efforts to develop new classes of antiviral agents have been hampered by the emergence of drug ***-indole-bearing aristolactams are compounds that have been isolated from various plants species and which show several clinically relevant effects,including anti-inflammatory,antiplatelet,and antimycobacterial ***,the effect of these compounds on human immunodeficiency virus type 1(HIV-1)infection has not yet been *** this study,we discovered an aristolactam derivative bearing dibenzo[cd,f]indol-4(5 H)-one that had a potent anti-HIV-1 effect.A structure-activity relationship(SAR)study using nine synthetic derivatives of aristolactam identified the differing effects of residue substitutions on the inhibition of HIV-1 infection and cell *** the compounds tested,1,2,8,9-tetramethoxy-5-(2-(piperidin-1-yl)ethyl)-dibenzo[cd,f]indol-4(5 H)-one(Compound 2)exhibited the most potent activity by inhibiting HIV-1 infection with a half-maximal inhibitory concentration(IC50)of 1.03 lmol/L and a half-maximal cytotoxic concentration(CC50)of 16.91 lmol/L(selectivity index,16.45).The inhibitory effect of the compounds on HIV-1 infection was linked to inhibition of the viral replication ***-of-action studies showed that the aristolactam derivatives did not affect reverse transcription or integration;instead,they specifically inhibited Tat-mediated viral *** together,these findings show that several aristolactam derivatives impaired HIV-1 infection by inhibiting the activity of Tat-mediated viral transcription,and suggest that these derivatives could be antiviral drug candidates.

关键词： Human immunodeficiency virus type 1(HIV-1) Aristolactam Antiviral activity HIV-1 transcription

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Improvement of type 2 diabetes mellitus after gastric cancer surgery:Short-term outcome analysis after gastrectomy

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World Journal of Gastroenterology 2013年第48期19卷 9410-9417页

作者： Ji Yeong An Yoo min kim min ah Yun Byeong Hee Jeon Sung Hoon Noh Department of Surgery Yonsei University College of Medicine Seodaemun-guSeoul 120-752 South Korea Department of Surgery Dong-A University College of Medicine Busan 602-715 South Korea Department of Clinical Care Graduate School of Nursing Yonsei University Seoul 120-752 South Korea

AIM:To evaluate the effect of gastrectomy on diabetes control in patients with type 2 diabetes mellitus and early gastric ***:Data from 64 patients with early gastric cancer and type 2 diabetes mellitus were prospectively *** patients underwent curative gastrectomy(36 subtotal gastrectomy with gastroduodenostomy,16subtotal gastrectomy with gastrojejunostomy,12 total gastrectomy)and their physical and laboratory data were evaluated before and 3,6 and 12 mo after ***:Fasting blood glucose(FBS),HbA1c,insulin,C-peptide,and homeostasis model assessment-estimated insulin resistance were significantly improved 3mo after surgery,regardless of operation type,and the significant improvement in all measured values,except HbA1c,was sustained up to 12 mo *** 3.1%of patients stopped diabetes medication and had HbA1c<6.0%and FBS<126 mg/dL.54.7%of patients decreased their medication,and had reduced FBS or *** multivariate analysis,good diabetic control was not associated with operation type,but was associated with diabetes ***:Diabetes improved in more than 50%of patients during the first year after gastric cancer *** degree of diabetes control was related to diabetes duration.

关键词： Type 2 diabetes mellitus Gastrectomy Gastric cancer Short-term outcome Glucose control

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Manifolding active sites and in situ/operando electrochemical-Raman spectroscopic studies of single-metal nanoparticle-decorated CuO nanorods in furfural biomass valorization to H_(2) and 2-furoic acid

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Journal of Energy Chemistry 2023年第9期84卷 50-61页

作者： Jiwon kim Talshyn Begildayeva Jayaraman Theerthagiri Cheol Joo Moon ahreum min Seung Jun Lee Gyeong-ah kim Myong Yong Choi Department of Chemistry(BK21 FOUR) Research Institute of Natural SciencesGyeongsang National UniversityJinju 52828Republic of Korea Core-Facility Center for Photochemistry&Nanomaterials Gyeongsang National UniversityJinju 52828Republic of Korea Department of IT-Energy Convergence(BK21 FOUR) Korea National University of TransportationChungju 27469Republic of Korea

Here,CuO nanorods fabricated via pulsed laser ablation in liquids were decorated with Ir,Pd,and Ru NPs(loading~7 wt%) through pulsed laser irradiation in the liquids *** resulting NPs-decorated CuO nanorods were characterized spectroscopically and employed as multifunctional electrocatalysts in OER,HER,and the furfural oxidation reactions(FOR).Ir-CuO nanorods afford the lowest overpotential of~345 mV(HER) and 414 mV(OER) at 10 mA cm^(-2),provide the highest 2-furoic acid yield(~10.85 mM) with 64.9% selectivity,and the best Faradaic efficiency~72.7% in 2 h of FOR at 1.58 V(***).In situ electrochemical-Raman analysis of the Ir-CuO detects the formation of the crucial intermediates,such as Cu(Ⅲ)-oxide,Cu(OH)_(2),and Ir_x(OH)_y,on the electrode-electrolyte surface,which act as a promoter for HER and *** Ir-CuO ‖ Ir-CuO in a coupled HER and FOR-electrolyzer operates at~200 mV lower voltage,compared with the conventional electrolyzer and embodies the dual advantage of energy-saving H_(2) and 2-furoic acid production.

关键词： Single-metal nanoparticle-decorated CuO nanorods Pulsed laser ablation and irradiation in liquids Furfural oxidation reaction Hydrogen evolution reaction Energy-saving H_(2)production 2-Furoic acid

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Helmet-based noninvasive ventilation for acute exacerbation of chronic obstructive pulmonary disease: A case report

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World Journal of Clinical Cases 2020年第10期8卷 1939-1943页

作者： Mi Hwa Park min Jeong kim ah Jin kim Man-Jong Lee Jung-Soo kim Division of Pulmonology Department of Internal MedicineInha University HospitalIncheon 22332South Korea Division of Critical Care Medicine Department of Internal MedicineInha University HospitalIncheon 22332South Korea

BACKGROUND Noninvasive ventilation(NIV)reduces intubation rates,mortalities,and lengths of hospital and intensive care unit stays in patients with acute exacerbation of chronic obstructive pulmonary disease(AECOPD).Helmet-based NIV is better tolerated than oronasal mask-based ventilation,and thus,allows NIV to be conducted for prolonged periods at higher pressures with minimal air *** SUMMARY A 73-year-old man with a previous diagnosis of COPD stage 4 was admitted to our medical intensive care unit with chief complaints of cough,sputum,and dyspnea of several days’*** 10 mo,he had been on oxygen at home by day and had used an oronasal mask-based NIV at *** intensive care unit admission,he breathed using respiratory accessory *** and signs of infection were detected,and infiltration was observed in the right lower lung field by chest ***,we diagnosed AECOPD by communityacquired *** admission,respiratory distress steadily deteriorated and invasive mechanical ventilation became ***,the patient refused this option,and thus,we selected helmet-based NIV as a salvage *** 3 d of helmet-based NIV,his consciousness level and hypercapnia recovered to his pre-hospitalization *** Helmet-based NIV could be considered as a salvage treatment when AECOPD patients refuse invasive mechanical ventilation and oronasal mask-based NIV is ineffective.

关键词： Acute exacerbation of chronic obstructive pulmonary disease Noninvasive ventilation Helmet Case report

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Sustainable Furfural Biomass Feedstocks Electrooxidation toward Value-Added Furoic Acid with Energy-Saving H_(2) Fuel Production Using Pt-Decorated Co_(3)O_(4) Nanospheres

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Energy & Environmental Materials 2024年第2期7卷 350-358页

作者： Talshyn Begildayeνa Jayaraman Theerthagiri Seung Jun Lee ahreum min Gyeong-ah kim Siνakumar Manickam Myong Yong Choi Department of Chemistry(BK21 FOUR) Core-Facility Center for Photochemistry&NanomaterialsResearch Institute of Natural SciencesGyeongsang National UniversityJinju 52828South Korea Petroleum and Chemical Engineering Faculty of EngineeringUniversiti Teknologi BruneiJalan Tungku Link GadongBandar Seri Begawan BE1410Brunei Darussalam

Here,furfural oxidation was performed to replace the kinetically sluggish O_(2)evolution reaction(OER).Pt-Co_(3)O_(4)nanospheres were developed via pulsed laser ablation in liquid(PLAL)in a single step for the paired electrocatalysis of an H_(2)evolution reaction(HER)and furfural oxidation reaction(FOR).The FOR afforded a high furfural conversion(44.2%)with a major product of 2-furoic acid after a 2-h electrolysis at 1.55 V versus reversible hydrogen electrode in a 1.0-M KOH/50-mM furfural *** Pt-Co_(3)O_(4)electrode exhibited a small overpotential of 290 mV at 10 mA cm^(-2).As an anode and cathode in an electrolyzer system,the Pt-Co_(3)O_(4)electrocatalyst required only a small applied cell voltage of~1.83 V to deliver 10 mA cm^(-2),compared with that of the pure water electrolyzer(OER||HER,~1.99 V).This study simultaneously realized the integrated production of energy-saving H_(2)fuel at the cathode and 2-furoic acid at the anode.

关键词： biomass conversion electrochemical furfural oxidation overall water splitting Pt-Co_(3)O_(4)electrocatalyst pulsed laser ablation in liquid

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Long-type double-balloon enteroscopy-assisted ERCP using hand-made accessories in Roux-en-Y hepaticojejunostomy(with video)

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Hepatobiliary & Pancreatic Diseases International 2021年第4期20卷 407-408页

作者： min Jae Yang ah Reum kim Jae Chul Hwang Byung Moo Yoo Jin Hong kim Department of Gastroenterology Ajou University School of MedicineSuwonSouth Korea

To the Editor:Short-type balloon enteroscope-assisted endoscopic retrograde cholangiopancreatography(BE-ERCP)is becoming the procedure of choice for biliopancreatic disease treatment in patients with postoperative anatomy^([1,2]).However,it has not yet been available in many *** a long-type balloon enteroscope with a200-cm working length has been widely used for small bowel endoscopy,its use for ERCP was limited by the lack of commercially available extra-long accessories^([3]).

关键词： balloon anatomy ERCP

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Sodium-Coordinated Polymeric Phthalocyanines as Stable High-Capacity Organic Anodes for Sodium-Ion Batteries

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Energy & Environmental Materials 2023年第4期6卷 22-30页

作者： Jeongyeon Lee Yoonbin kim Soyong Park Kang Ho Shin Gun Jang min Jun Hwang Daekyu kim Kyung-ah min Ho Seok Park Byungchan Han Dennis K.P.Ng Lawrence Yoon Suk Lee Department of Applied Biology and Chemical Technology and Research Institute for Smart Energy The Hong Kong Polytechnic UniversityHung HomKowloon Hong Kong SAR China Department of Chemistry The Chinese University of Hong KongShatinNew Territories Hong Kong SAR China Convergence Research Center for Energy and Environmental Sciences Sungkyunkwan UniversitySuwon Korea Department of Chemical and Biomolecular Engineering Yonsei UniversitySeoul Korea School of Chemical Engineering Sungkyunkwan UniversitySuwon Korea

Sodium-ion batteries(SIBs)have attracted considerable interest as an alternative to lithium-ion batteries owing to their similar electrochemical performance and superior long-term cycle *** materials are regarded as promising anode materials for constructing SIBs with high capacity and good ***,utilization of organic materials is rather limited by their low energy density and poor stability at high current *** overcome these limitations,we utilized a novel polymeric disodium phthalocyanines(pNaPc)as SIB anodes to provide stable coordination sites for Na ions as well as to enhance the stability at high current *** varying the linker type during a one-pot cyclization and polymerization process,two pNaPc anodes with O-(O-pNaPc)and S-linkers(S-pNaPc)were prepared,and their structural and electrochemical properties were *** O-pNaPc binds Na ions with a lower binding energy compared with S-pNaPc,which leads to more facile Na-ion coordination/dissociation when engaged as SIB *** use of O-pNaPc significantly improves the redox kinetics and cycle stability and allows the fabrication of a full cell against Na_(3)V_(2)(PO_(4))_(2)F_(3)/C cathode,which demonstrates its practical application with high energy density(288 Wh kg^(-1))and high power density(149 W kg^(-1)).

关键词： coordination chemistry organic anode phthalocyanine polymerization sodium ion battery

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Seroprevalence of Severe Fever with Thrombocytopenia Syndrome Phlebovirus in Domesticated Deer in South Korea

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Virologica Sinica 2019年第5期34卷 501-507页

作者： min-ah Yu Kwang-min Yu Su-Jin Park Young-ll kim Norbert John Robles Young-Jae Si Eun-Ha kim Hyeok-ll Kwon Hye Won Jeong min-Suk Song Seok-Yong kim Young Ki Choi Department of Microbiology College of Medicine and Medical Research InstituteChungbuk National UniversityCheongju 28644Republic of Korea Zoonotic Infectious Diseases Research Center Chungbuk National UniversityCheongju 28644Republic of Korea Department of Internal Medicine College of Medicine and Medical Research InstituteCheongju 28644Republic of Korea Department of Internal Medicine Chungbuk National University HospitalCheongju 28644Republic of Korea

Severe fever with thrombocytopenia syndrome phlebovirus(SFTSV)has a wide host *** only has it been found in humans,but also in many wild and domesticated *** infection of breeding deer on farms is a particularly worrisome public health concern due to the large amount of human contact and the diverse use of deer products,including raw *** investigate the prevalence of breeding domesticated deer,we examined the SFTSV infection rate on deer farms in South Korea from 2015 to *** the 215 collected blood samples,0.9%(2/215)were found to be positive for viral RNA by PCR,and sequence analysis showed the highest homology with the KADGH human *** SFTSVspecific recombinant N and Gn protein-based ELIS As revealed that 14.0%(30/215)and 7.9%(17/215)of collected blood specimens were positive for SFTSV *** results demonstrate that the breeding farm deer are exposed to SFTSV and could be a potential infection source for humans through direct contact or consumption of byproducts.

关键词： Severe fever with thrombocytopenia syndrome phlebovirus(SFTSV) Breeding deer•Seroprevalence South Korea

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