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Polymyxin B hemoperfusion as a feasible therapy after source control in abdominal septic shock

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World Journal of Gastrointestinal Surgery 2019年第12期11卷 422-432页

作者： Jin joo Kim young Jun Park Ki Yoon Moon Jin Hyeong Park Yong Ki Jeong eun young Kim Division of Trauma and Surgical Critical Care Department of Surgery Seoul St. Mary’s Hospital College of Medicine The Catholic University of Korea

BACKGROUND Polymyxin B hemoperfusion(PMX-HP)has been used as a treatment for intraabdominal septic shock by absorbing and removing endotoxins of gram-negative *** To investigate the clinical efficacy of PMX-HP in patients with gram-negative septic shock who underwent abdominal *** From January 2012 to December 2018,patients who had septic shock secondary to peritonitis were *** were classified into PMX-HP treated and control groups based on postopreative intervention using *** clinical outcomes were compared using 1:1 propensity score matching methods to balance the overall distribution between the two *** After propensity score matching,40 patients were analyzed(20 patients in the PMX group and 20 patients in the control group).The scores of total Sequential Organ Failure Assessment(SOFA)score,renal SOFA and coagulation SOFA were significantly improved in the PMX group but not in the control group.(from 11.2±5.8 to 4.7±3.5 in PMX group vs 10.0±4.0 to 8.7±7.3 in control group,P=0.047 from 2.6±1.0 to 0.7±1.0 in PMX group vs 2.6±1.5 to 2.8±1.6 in control group,P=0.000,from 1.6±1.5 to 1.3±1.3 in PMX group vs 1.2±1.2 to 2.8±1.8 in control group,P=0.014,respectively).Further,the length of intensive care unit(ICU)stay was significantly shorter in PMX ***,no statistically significant difference was found in ICU mortality(50%in PMX group vs 50%in control group).CONCLUSION PMX-HP is a feasible adjunct treatment for peritonitis in ICU patients with peritonitis for improved organ impairment and to stabilize *** would be helpful to enhance clinical outcomes especially in patients with complete elimination of the source of gram-negative bacilli infection by surgical procedure accompanied with conventional treatment of sepsis.

关键词： Intraabdominal septic shock Panperitonitis Polymyxin B hemoperfusion Sepsis Toraymyxin

Advancements in hemostatic strategies for managing upper gastrointestinal bleeding: A comprehensive review

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World Journal of Gastroenterology 2024年第15期30卷 2087-2090页

作者： Ah young Lee joo young Cho Division of Gastroenterology Department of Internal MedicineCha Gangnam Medical CenterCha University College of MedicineSeoul 06135Korea

Upper gastrointestinal(GI)hemorrhage presents a substantial clinical *** management typically involves resuscitation and endoscopy within 24 h,although the benefit of very early endoscopy(<12 h)for high-risk patients is *** goals include stopping acute bleeding,preventing rebleeding,and using a multimodal approach encompassing endoscopic,pharmacological,angiographic,and surgical *** agents such as vasopressin,prostaglandins,and proton pump inhibitors are effective,but the increase in antithrombotic use has increased GI bleeding *** hemostasis,particularly for nonvariceal bleeding,employs techniques such as electrocoagu-lation and heater probes,with concerns over tissue injury from monopolar *** methods such as Hemospray and Endoclot show promise in creating mechanical tamponades but have ***,the first-line therapy includes thermal probes and hemoclips,with over-the-scope clips emerging for larger ulcer *** gold probe,combining bipolar electrocoagulation and injection,offers targeted coagulation but has faced device-related *** advancements involve combining techniques and improving endoscopic imaging,with studies exploring combined approaches showing *** research is crucial for developing standardized and effective hemorrhage management strategies.

关键词： Upper gastrointestinal bleeding Hemostasis Endoscopy Probe Spray Clip

Development of 3D bicontinuous metal-intermetallic composites through subsequent alloying process after liquid metal dealloying

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Journal of Magnesium and Alloys 2023年第11期11卷 4274-4281页

作者： Jee eun Jang Jihye Seong Soo-Hyun joo Sung Hyuk Park School of Materials Science and Engineering Kyungpook National UniversityDaegu 41566Republic of Korea Department of Materials Science and Engineering Dankook UniversityCheonan 31116Republic of Korea

This study presents a novel process for the fabrication of metal-intermetallic composites with a 3D bicontinuous structure, achieved through a combination of liquid metal dealloying(LMD) and subsequent alloying. Initially, porous Ti structures are produced using the LMD process, followed by immersion in a molten Mg-3Al(wt%) metal. Due to the higher thermodynamic miscibility of Al with Ti compared to Mg, the concentration of Al in the Ti matrix increases as the immersion time increases. This results in a sequential phase transition within the Ti matrix: α-Ti → Ti_(3)Al → Ti Al. The phase transition considerably affects the hardness and strength of the composite material,with the Mg-Ti_(3)Al-Ti Al composite exhibiting a maximum hardness nearly twice as high as that of the conventional Mg-Ti composite. This innovative process holds potential for the development of various bicontinuous metal-intermetallic composites.

关键词： Liquid metal dealloying Subsequent alloying Metal–intermetallic composite 3D bicontinuous structure Hardness

Histopathology and TB-PCR kit analysis in differentiating the diagnosis of intestinal tuberculosis and Crohn’s disease

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World Journal of Gastroenterology 2010年第20期16卷 2496-2503页

作者： joon Mee Kim Hyung Kil Kim Lucia Kim Suk Jin Choi In Suh Park Jee young Han young Chae Chu Kye Sook Kwon eun joo Kim Department of Pathology College of Medicine Inha University7-206 Shin-heung-Dong 3 GaJoong-GuIncheon 400-711South Korea Gastroenterology College of Medicine Inha University7-206 Shinheung-Dong 3 GaJoong-GuIncheon 400-711South Korea Department of Nano and Bio Research Daegu Gyeongbuk Institute of Science and TechnologyDeocksan-dong 110Daegu 700-742South Korea

AIM: To compare the histopathologic features of intestinal tuberculosis (ITB) and Crohn’s disease (CD) and to identify whether polymerase chain reaction for Mycobacterium tuberculosis (TB-PCR) would be helpful for differential diagnosis between ITB and ***: We selected 97 patients with established diagnoses (55 cases of ITB and 42 cases of CD) who underwent colonoscopic *** features of ITB and CD were reviewed,and eight pathologic parameters were *** cases of acid fast bacilli culture-positive specimens and 10 normal colonic tissue specimens were evaluated as the positive and negative control of the TB-PCR test,*** assays were done using two commercial kits: kit detected IS6110 and MPB64,and kit detected IS6110 only;a manual in-house PCR method was also performed on formalin-fi xed,paraffi n-embedded colonoscopic biopsy ***: Statistically significant differences were noted between ITB and CD with regard histopathologic criteria: size of granulomas (P = 0.000),giant cells (P = 0.015),caseation necrosis (P = 0.003),confluent granulomas (P = 0.001),discrete granulomas (P = 0.000),and granulomas with lymphoid cuffs (P = 0.037).However,29 cases (52.7%) of ITB showed less than fi ve kinds of pathologic parameters,resulting in confusion with *** sensitivities and specificities of the TB-PCR test by kit ,kit ,and the in-house PCR method were 88.9% and 100%,88.9% and 100%,and 66.7% and 100% in positive and negative controls,*** PCR test done on endoscopic biopsy specimens of ITB and CD were signifi cantly different with kit (P = 0.000) and kit (P = 0.000).The sensitivities and specifi cities of TB-PCR were 45.5% and 88.1%,36.4% and 100%,and 5.8% and 100%,for kit and kit and inhouse PCR method on endoscopic biopsy *** the 29 cases of histopathologically confusing CD,10 cases assayed using kit and 6 cases assayed using kit were TB-PCR positive.A combi

关键词： Intestine Tuberculosis Crohn’s disease Histopathology Polymerase chain reaction Kit IS6110 MPB64

Evaluation of the Mrp2-mediated flavonoid-drug interaction potential of quercetin in rats and in vitro models

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Asian Journal of Pharmaceutical Sciences 2019年第6期14卷 621-630页

作者： Ju-Hee Oh joo Hyun Lee young-joo Lee Division of Biopharmaceutics College of PharmacyKyung Hee UniversitySeoul 02447Republic of Korea Department of Life and Nanopharmaceutical Sciences College of PharmacyKyung Hee UniversitySeoul 02447Republic of Korea

Quercetin is a biologically active flavonoid that has been used as a popular health *** is reported that quercetin may cause flavonoid-drug interaction mediated by P-glycoprotein,the most predominant efflux *** this study,we comprehensively evaluated the potential of the pharmacokinetic interaction of quercetin mediated by multidrug resistance-associated protein 2(MRP2),another major efflux ***2-transfected MDCKII cells and LS174T cells were used to evaluate the potential inhibition and induction of MRP2 by quercetin in *** evaluate the induction effect of quercetin on Mrp2 in vivo,Mrp2 mRNA expression in rat liver,kidney,and small intestinal tissues was determined after the oral administration of quercetin(50,100,or 250 mg/kg)for seven ***2-mediated interaction potential was also evaluated by the pharmacokinetic study of phenolsulfonphthalein in rats after single or multiple doses of ***,the effect of quercetin on absorption of docetaxel,a P-glycoprotein and CYP3A4 substrate,was also *** inhibited the function of MRP2 at 10μM and induced the mRNA expression of MRP2 at 50μM in ***,at 100 mg/kg,quercetin markedly increased Mrp2 expression in the small intestine of ***,there was no significant change in phenolsulfonphthalein pharmacokinetics due to single-(50,100,or 250 mg/kg)or multiple-dose(50,100,or 250 mg/kg for seven days)quercetin *** contrast,a significant interaction caused by quercetin(100 mg/kg)was observed in the absorption of *** results suggested that although quercetin modulates the function and expression of MRP2 in vitro,it may have a low potential of Mrp2-mediated interaction and present negligible safety concerns related to the interaction.

关键词： Quercetin P-glycoprotein Multidrug resistance-associated protein 2 Pharmacokinetics Flavonoid-drug interaction

Indolocarbazole-Based Small Molecule Cathode-Active Material Exhibiting Double Redox for High-Voltage Li-Organic Batteries

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Energy & Environmental Materials 2024年第5期7卷 86-94页

作者： Hyunji Park Hyojin Kye Jong-Sung Lee young-Chang joo Dong joo Min Bong-Gi Kim Soo young Park Ji Eon Kwon Laboratory for Supramolecular Optoelectronic Materials(LSOM) Department of Materials Science and EngineeringResearch Institute of Advanced Materials(RIAM)Seoul National University1 Gwanak-roGwanak-guSeoul 08826Korea Functional Composite Materials Research Center Jeonbuk Institute of Advanced Composite MaterialsKorea Institute of Science and Technology(KIST)92 Chudong-roBongdong-eupWanju-gunJeonbuk 55324Korea Department of Organic and Nano System Engineering Konkuk University120 Neungdong-roGwangjin-guSeoul 05029Korea Department of Materials Science and Engineering Seoul National University1 Gwanak-roGwanak-guSeoul 08826Korea Department of JBNU-KIST Industry Academia Convergence Research Jeonbuk National University567 Baekje-daeroDeokjin-guJeonjuJeonbuk 54896Korea

Most organic electrode materials(OEMs)for rechargeable batteries employ n-type redox centers,whose redox potentials are intrinsically limited<3.0 V versus Li^(+)/***,p-type materials possessing high redox potentials experience low specific capacities because they are capable of only a single redox reaction within the stable electrochemical window of typical ***,we report 5,11-diethyl-5,11-dihydroindolo[3,2-b]carbazole(DEICZ)as a novel p-type OEM,exhibiting stable plateaus at high discharge potentials of 3.44 and 4.09 V versus Li^(+)/***,the second redox potential of DEICZ is within the stable electrochemical *** mechanism of the double redox reaction is investigated using both theoretical calculations and experimental measurements,including density functional theory calculations,ex situ electron spin resonance,and X-ray photoelectron ***,hybridization with single-walled carbon nanotubes(SWCNT)improves the cycle stability and rate performance of DEICZ owing to theπ-πinteractions between the SWCNT and co-planar molecular structure of DEICZ,preventing the dissolution of active materials into the *** DEICZ/SWCNT composite electrode maintains 70.4%of its initial specific capacity at 1-C rate and also exhibits high-rate capability,even performing well at 100-C ***,we demonstrate its potential for flexible batteries after applying 1000 bending stresses to the composite electrode.

关键词： composite electrodes flexible batteries indolocarbazoles organic rechargeable batteries p-type

Effects of tissue-cultured mountain ginseng （Panax ginseng CA Meyer） extract on male patients with erectile dysfunction

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Asian Journal of Andrology 2009年第3期11卷 356-361页

作者： Tae-Hwan Kim Seung Hyun Jeon eun-joo Hahn Kee-Yoeup Paek Jong Kwan Park Nae young Youn Hyung-Lae Lee Department of Urology School of Medicine Kyung Hee University Seoul 134-727 Korea Research Center for the Development of Advanced Horticultural Technology Chungbuk National University Cheongju 361-711 Korea Department of Urology Chonbuk National University Medical School Jeonju 561-712 Korea Infertility Clinic Sanbornjeil Women＇s Hospital Kunpo 435-042 Korea

Korean ginseng and mountain ginseng （Panax ginseng CA Meyer） are important traditional herbal plants whose ginsenosides are generally accepted as serving to improve sexual functions, such as penile erection. We investigated the effects of tissue-cultured mountain ginseng extract （TMGE） on male patients with erectile dysfunction （ED）. A double-blind, placebo-controlled study was conducted with 143 patients experiencing ED. Over the course of 8 weeks, one group took 1 000 mg of TMGE twice a day, and the other group took 1 000 mg of placebo twice a day. The effects of the TMGE and the placebo were analyzed using the Korean version of the International Index of Erectile Function （IIEF） questionnaire. A total of 86 patients completed 8 weeks of treatment. The scores on the five domains of the IIEF after medication were significantly higher than the baseline scores in the group treated with TMGE （P 〈 0.05）, whereas no significant improvement was observed in the placebo group （P 〉 0.05）. Erectile function and overall satisfaction scores after medication were significantly higher in the TMGE group than in the placebo group （P 〈 0.05）. Erectile function of patients in the TMGE-treated group significantly improved, suggesting that TMGE could be utilized for improving erectile function in male patients.

关键词： erectile dysfunction Panax ginseng tissue-cultured mountain ginseng extract

Managing Traumatic Stress Using a Mental Health Care Mobile App: A Pilot Study

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International Journal of Mental Health Promotion 2021年第3期23卷 385-393页

作者： Yun-Jung Choi eun-jung Ko eun-joo Choi Youn-joo Um Red Cross College of Nursing Chung-Ang UniversitySeoul156-756Korea Graduate School of Nursing Chung-Ang UniversitySeoul156-756Korea

This study aims to contribute to improving mental health services and establishing a direction for disaster survivors by verifying the effectiveness of the TLS(Training for Life Skills)app,a mental health management mobile ***,22 disaster survivors received access to the app(with guidance)for eight weeks;we analyzed its effectiveness by examining each participant’s electroencephalography data,which were collected while they were utilizing the *** results of this study show that the use of the TLS app had a significant positive effect on emotional quotient,basic rhythm quotient(left brain,right brain),alpha blocking rate(left brain,right brain),and brain quotient of disaster *** TLS mobile app is expected to not only provide psychological first aid to disaster survivors but also to improve their life skills,which may allow them to gain information about their emotions;hence,it may provide the appropriate conditions needed to enable effective self-control and health management for disaster survivors.

关键词： Mobile applications trauma disasters mental health

Diagnostic evaluation of endoscopic ultrasonography with submucosal saline injection for differentiating between T1a and T1b early gastric cancer

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World Journal of Gastroenterology 2022年第46期28卷 6564-6572页

作者： Ji young Park Tae joo Jeon Department of Internal Medicine Inje University College of MedicineSanggye Paik HospitalSeoul 01757South Korea Department of Internal Medicine Yonsei University College of MedicineSeoul 03722South Korea

BACKGROUND Endoscopic ultrasonography(EUS)has become a reliable method for predicting the invasion depth of early gastric cancer(EGC).However,diagnostic accuracy of EUS is affected by several *** particular,it is difficult to differentiate between T1a and T1b EGC through *** To confirm whether submucosal saline injection(SSI)could improve the accuracy of EUS in distinguishing T1a and T1b lesions in *** Twenty-four patients with EGC were examined by EUS and subsequently by SSI combined EUS to compare the degree of tumor ***,they underwent endoscopic or surgical resection within 7 *** diagnostic accuracy of EUS and SSI combined EUS was evaluated based on the final pathological findings *** injected into the submucosa acted as an echoic contrast enhancing agent and had the effect of distinguishing the mucosal and submucosal layers *** Of total 24 patients,23 were diagnosed with EGC(T1 cancer:13 as T1a,and 10 as T1b).Standard EUS identified 6 of 13 T1a cancer patients and 3 of 10 T1b cancer ***,EUS-SSI identified 12 of 13 T1a cancer patients and 6 of 10 T1b cancer *** this study,SSI combined EUS was more accurate than EUS alone in diagnosing T1a and T1b lesions of EGC(75.0%and 37.5%,respectively).CONCLUSION SSI improved the diagnostic accuracy of EUS in distinguishing between the T1a and T1b stages in EGC.

关键词： Endoscopic ultrasonography Gastric cancer Endoscopy Surgery