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Bidirectional WDM Self-Healing Ring Network for Hub/Remote Nodes

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光学学报 2003年第S1期23卷 715-716页

作者： sung-bum park Seung Goo Kang Sang Bae Lee Chang-Hee Lee KAIST Dept. of Electrical Engineering and Computer Science 373-1 Kusong-dong Yusong-gu Daejeon 305-701 KoreaCurrent affiliation: Samsung Electronics Co. Ltd. Suwon KoreaXL Photonics Inc.Daejeon KoreaKIST Seoul KoreaKAIST Dept. of Electrical Engineering and Computer Science 373-1 Kusong-dong Yusong-gu Daejeon 305-701 Korea

We demonstrate a bidirectional WDM self-healing ring network for hub/remote nodes with one fiber. In this network, self-healing can be achieved within 8 ms. The transmission capacity can be doubled in the operating st... 详细信息

关键词： WDM on in Bidirectional WDM Self-Healing Ring Network for Hub/Remote Nodes for dBm

Green coffee bean extract improves obesity by decreasing body fat in high-fat diet-induced obese mice

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Asian Pacific Journal of Tropical Medicine 2016年第7期9卷 616-624页

作者： Bong-Keun Choi sung-bum park Dong-Ryung Lee Hae Jin Lee Ying-Yu Jin Seung Hwan Yang Joo-Won Suh Nutra Pharm Tech Giheung-gu Interdisciplinary Program of Biomodulation Myongji University Center for Nutraceutical and Pharmaceutical Materials Myongji University

Objective:To evaluate possible lipid catabolism and body fat regulation effects of 3-caffeoylquinic acid in Green coffee bean extract(GCBE) in high-fat diet(HFD)-induced obese ***:Obesity was induced in mice using a HFD for four ***,mice were fed only HFD or HFD with GCBE at 50,100,and 200 mg/*** acid synthesis mechanism regulation of body fat was investigated through real-time PCR and Western blot *** fat reduction was measured through dual-energy X-ray ***:In HFD-induced obese mice,GCBE treatment significantly decreased body weight gain,liver weight and white adipose tissue weights with regulation of adipose tissue lipolysis hormones,like adiponectin and *** treatment decreased mR NA expression levels of adipogenesis and adipocyte metabolism related genes in adipose tissues and the liver,and decreased the corresponding protein *** energy X-ray absorptiometry measurements were used to compare body fat between mice on high-fat and those treated with *** treated mice had a lower fat mass compared to HFD alone fed mice and relative body weight and fat mass were markedly ***:GCBE has a potential anti-obesity effect with lowering body fat accumulation by regulating adipogenesis and lipid metabolism-related genes and proteins in WAT and liver.

关键词： Green coffee bean extract High-fat diet induced obese mice Adipogenesis Body fat Dual energy X-ray absorptiometry

Roots extracts of Adenophora triphylla *** improve obesity in 3T3-L1 adipocytes and high-fat diet-induced obese mice

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Asian Pacific Journal of Tropical Medicine 2015年第11期8卷 879-886页

作者： Dong-Ryung Lee Young-Sil Lee Bong-Keun Choi Hae Jin Lee sung-bum park Tack-Man Kim Han Jin Oh Seung Hwan Yang Joo-Won Suh NutraPham Tech Center for Nutraceutical and Pharmaceutical Materials Myongji University Interdisciplinary Program of Biomodulation Myongji University DONG IL Pharmtec Department of Family Medicine.VIEVIS NAMUH Hospital

Objective:To investigate the anti-obesity activity and the action mechanism of the roots of Adenophora triphylla *** extract(ATE) in high-fat diet(HFD)-induced obese mice and 3T3-LI ***:The roots of Ademption triphylla were extracted with 70%*** demonstrate the compounds,linoleic acid was analyzed by using gas chromatography:and the anti-obesity effects and possible mechanisms of ATE were examined in 3T3-L1 adipocytes and HFD-induced obese ***:Treatment with ATE inhibited the lipid accumulation without cytotoxicity in 3T3-L1 ***,200 and 400 mg/kg ATE treatment significantly decreased the body weight gain,white adipose tissues(WATs) weight and plasma triglyceride level,while 100 and 200 mg/kg ATE treatment increased the plasma high-density lipoprotein cholesterol level in the HFD-induced obese mice,as compared with the HFD *** with 200 and 400 mg/kg ATE also lowered the size of adipocytes in adipose tissue and reduced the lipid accumulation in *** treatment showed significantly lower expression level of adipogenesis-relatcd proteins,such as peroxisome proliferator-activated receptor y,fatty acid binding protein(aP2),fatty acid synthase in 3T3-L1 adipocytes;and furthermore,decreased peroxisome proliferatoractivated receptor γ,aP2,fatty acid synthase,sterol regulatory element binding protein-1c,and lipoprotein lipase mRNA expression levels in WAT of the HFD-induced obese ***:These results suggested that the ATE has an anti-obesity effect,which may be elicited by regulating the expression of adipogenesis and lipogenesis-related genes and proteins in adipocytes and WAT of the HFD-induced obese mice.

关键词： Roots of Adenophora triphylla var. japonica extrac

Cystic Brunner's gland hamartoma in the duodenum:A case report

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World Journal of Gastroenterology 2009年第39期15卷 4980-4983页

作者： Beom Jin park Min Ju Kim Jeong Hyeon Lee sung-Soo park Deuk Jae sung sung bum Cho Department of Radiology Korea UniversityCollege of MedicineAnam Hospital Department of Pathology Korea UniversityCollege of MedicineAnam Hospital Department of Surgery Korea UniversityCollege of MedicineAnam Hospital

Cystic Brunner's gland hamartoma in the duodenum is exceedingly rare,although microscopic examination may sometimes reveal a Brunner's gland hamartoma containing dilated ducts in the *** present a case of large cystic Brunner's gland hamartoma in the duodenum with a long stalk,which is described in light of multidetector-row computed tomography,magnetic resonance imaging,and a modified small bowel series,together with pathologic correlation and differential diagnosis.

关键词： Brunner's gland Hamartoma Duodenum Multidetector-row computed tomography Magnetic resonance imaging

Influence of the electrolyte conductivity on the critical current density and the breakdown voltage

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Chinese Journal of Chemical Engineering 2023年第7期59卷 169-175页

作者： Hae-Kyun park Dong-Hyuk park bum-Jin Chung Department of Nuclear Engineering Kyung Hee University 1732 Deogyeong-daeroGiheung-guYongin-siGyeonggi-do 17104Korea

The work investigates influence of the electrolyte conductivity on the onset of partial contact glow discharge electrolysis(CGDE)in a water *** current density(CCD)and breakdown voltage were measured together with in situ observation of hydrogen bubble behavior,whose influence has not been focused *** a fixed current during normal electrolysis,hydrogen coalescence adjacent to cathode surface was invigorated at a lower *** analyses elucidated the hydrogen coalescence characteristics by quantifying size and population of detached hydrogen *** CCD increased about 104% within given range of conductivity(11.50-127.48 mS·cm^(-1))due to impaired bubble coalescence,which delays hydrogen film formation on the ***,decreasing trend of breakdown voltage was measured with increased conductivity showing maximum drop of 74%.It is concluded that onset of partial CGDE is directly affected by hydrodynamic bubble behaviors,whereas the electrolyte conductivity affects the bubble formation characteristics adjacent to cathode electrode.

关键词： Water electrolysis Critical current density Breakdown voltage Electrolyte conductivity Hydrogen bubble behavior

Rapidly growing primary anal canal lymphoma:a case report and literature review

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Gastroenterology Report 2023年第1期11卷 582-584页

作者： Yu Kyung Chung Su bum park Department of Internal Medicine Pusan National University School of Medicine and Research Institute for Convergence of Biomedical Science and TechnologyPusan National University Yangsan HospitalYangsanRepublic of Korea

Introduction Anal cancer is a rare cancer accounting for2%of all gastrointestinal tract malignancies[1].Among anal cancers,squamous cell cancer(SCC)is the most common and lymphoma is one of the least *** gastrointestinal tract is the most common site for extranodal non-Hodgkin’s lymphoma(NHL),and diffuse large B-cell lymphoma(DLBCL)is the most common histologic ***,primary colorectal lymphoma accounts for only 0.3%of all large intestinal malignancies and3%of all gastrointestinal lymphomas[2].Anal canal SCC and lymphomas are treated differently;thus,accurate diagnosis is crucial.

关键词： lymphoma gastrointestinal diagnosis

Iatrogenic colorectal perforation induced by anorectal manometry:Report of two cases after restorative proctectomy for distal rectal cancer

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World Journal of Gastroenterology 2007年第45期13卷 6112-6114页

作者： Jun-Seok park sung-bum Kang Duck-Woo Kim Na-Young Kim Kyoung-Ho Lee Young-Hoon Kim Department of Surgery Chung-Ang University Hospital Seoul National University Bundang Hospital Seongnam-si Gyeonggi-do 463-707 Korea Department of Surgery Seoul National University Bundang Hospital Seongnam-si Gyeonggi-do 463-707 Korea Department of Internal Medicine Seoul National University Bundang Hospital Seongnam-si Gyeonggi-do 463-707 Korea Department of Diagnostic Radiology Seoul National University Bundang Hospital

There are no reports regarding perforation of the colorectum induced by anorectal manometry. We report two cases of colorectal perforation that occurred during manometry in the patients undergoing restorative proctectomy for distal rectal cancer. In the first patient, computed tomography showed an extraperitoneal perforation in the pelvic cavity and a rupture of the rectal wall. A localized perforation into the retroperitoneum was managed conservatively. In the second patient, a 3 cm linear colon rupture was detected above the anastomotic site. A primary closure of the perforated colon and proximal ileostomy were conducted, but the patient died 2 wk later. We hypothesize that the perforation induced by anorectal manometry may be associated with the relative weakening of the proximal bowel wall due to anastomosis, decreased compliance, and abnormal rectal sensation. We suggest that measurement of the maximum tolerable volume should not be routinely performed alter restorative proctectomy for distal rectal cancer.

关键词： Iatrogenic perforation Anorectal manometry Rectal cancer Low anterior resection

Clinical significance and risk factors of postembolization fever in patients with hepatocellular carcinoma

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World Journal of Gastroenterology 2013年第2期19卷 284-289页

作者： Chung Hwan Jun Ho Seok Ki Hoon Ki Lee Kang Jin park Seon Young park sung bum Cho Chang Hwan park Young Eun Joo Hyun Soo Kim sung Kyu Choi Jong Sun Rew Division of Gastroenterology Department of Internal MedicineChonnam National University Medical SchoolGwangju 501-757South Korea

AIM:To investigate tumor response and survival in patients with postembolization fever(PEF) and to determine the risk factors for ***:Four hundred forty-three hepatocellular carcinoma(HCC) patients who underwent the first session of transcatheter arterial chemoembolization(TACE) between January 2005 and December 2009 were analyzed *** was defined as a body temperature greater than 38.0 ℃ that developed within 3 d of TACE without evidence of *** tumor progression-free interval was defined as the interval from the first TACE to the second TACE based on mRECIST *** staging was based on the American Joint Committee on Cancer tumor,node,metastases(TNM) classification of malignant *** patients were admitted before their 1 st TACE treatment,and blood samples were obtained from all patients before and after *** variables and host-related variables were compared between two groups:patients with PEF vs patients without ***,variables related to 20-mo mortality and tumor progression-free survival were ***:The study population comprised 370(85.4%) men and 73(14.6%) women with a mean age of 62.29 ± 10.35 years.A total of 1836 TACE sessions were conducted in 443 patients,and each patient received between 1 and 27(mean:4.14 ± 3.57) TACE *** mean follow-up duration was 22.23 ± 19.6 mo(range:0-81 mo).PEF developed in 117 patients(26.41%) at the time of the first TACE *** was not associated with 20-mo survival(P = 0.524) or computed tomography(CT) response(P = 0.413) in a univariate analysis.A univariate analysis further indicated that diffuse-type HCC(P = 0.021),large tumor size(≥ 5 cm)(P = 0.046),lipiodol dose(≥ 7 mL,P = 0.001),poor blood glucose control(P = 0.034),alanine aminotransferase(ALT) value after TACE(P = 0.004) and C-reactive protein(CRP) value after TACE(P = 0.036) served as possible risk factors correlated with *** ALT value after TACE(P = 0.02

关键词： Chemoembolization Therapeutic Fever Carcinoma Hepatocellular Prognosis Progression-free survival

Acute respiratory distress syndrome and severe pneumonitis after atezolizumab plus bevacizumab for hepatocellular carcinoma treatment:A case report

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World Journal of Gastrointestinal Oncology 2023年第5期15卷 892-901页

作者： Su Hyeon Cho Ga Ram You Chan park Sang-Geon Cho Jong Eun Lee sung Kyu Choi sung bum Cho Jae Hyun Yoon Department of Gastroenterology and Hepatology Chonnam National University Hospital and Medical SchoolGwangju 61469South Korea Department of Gastroenterology and Hepatology Hwasun Chonnam National University Hospital and Medical SchoolHwasun 58128South Korea Department of Radiology Chonnam National University Hospital and Medical SchoolGwangju 61469South Korea Department of Nuclear Medicine Chonnam National University HospitalHwasun 58128South Korea

BACKGROUND Hepatocellular carcinoma(HCC)is one of the most common cancers worldwide and has a high ***,the treatment options for advanced HCC are limited to tyrosine kinase inhibitors,such as sorafenib and *** previous regimens have an insufficient efficacy,the combination therapy of atezolizumab and bevacizumab(Ate/Bev)has been investigated,which showed an improvement in progression-free and overall ***,the adverse events of this combination therapy in advanced HCC have not been ***,we report a novel case of an unresectable HCC and acute respiratory distress syndrome(ARDS)after a combination therapy of Ate/*** SUMMARY An 82-year-old male visited our outpatient clinic for an incidentally detected liver *** magnetic resonance imaging and enhanced chest computed tomography(CT)were performed,which showed arterial hyperenhancement with washout in delayed phase suggesting HCC,and a well-defined metastatic solid nodule,respectively.F-18 fluorodeoxyglucose positron emission tomography(PET)-CT exhibited multiple hypermetabolic lesions in the iliac bone,lumbar vertebrae,and *** of the high burden of the intrahepatic tumor,transarterial radioembolization was initially performed;after 37 d,a combination therapy of Ate/Bev was *** patient visited the emergency department three days after Ate/Bev treatment complaining of *** was diagnosed with severe pneumonitis based on *** administering oxygen via a high-flow nasal cannula,the P/F ratio was only 74;therefore,the patient was diagnosed with ARDS based on the overall examination *** tidal volume with high positive end-expiratory pressure,sedative agents combined with a neuromuscular blocker,and a systemic steroid were promptly applied to manage the ***,the patient did not recover from the hypoxia and expired 31 h after being *** Clinicians should be aware of severe pneumonitis due to the immune-

关键词： Hepatocellular carcinoma Systemic therapy Adverse events Pneumonitis Atezolizumab Acute respiratory distress syndrome