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김선문,허원석,채경훈,강윤세,정재훈,김연수,박기오,문희석,이엄석,김석현,성재규,이병석,이헌영,신경숙,조준식,송인상,강대영 충남대학교 의학연구소 2003 충남의대잡지 Vol.30 No.2
Malignant peritoneal mesothelioma is a rare neoplasm that arises from the mesothelium of a serosal cavity and is a rapidly fatal disease with a median survival of 4 to 12 months for untreated cases. Recently, we experienced a case with malignant peritoneal mesothelioma who was suspected hepatocelluar carcioma by abdominal CT scan and was confirmed by biopsy including immunohistochemical stain(calretinin) after surgery. We performed tumor excisions and wedge resection of the liver(segment Ⅷ)and inserted Tencoff catheter in abdominal cavity at 25th day of post-operation. We treated with intraperitoneal paclitaxel(25mg/m^(2)/day for 5 days) six courses monthly. She was well tolerable and is still living without any evidence of recurrence for 14th month of post-operation.
Synthesis of Substituted Imidazolidin-2-ones as Aminoacyl-tRNA Synthase Inhibitors
Eum, Hee-Sung,Lee, Yu-No,Kim, Song-Mi,Baek, A-Young,Son, Min-Ky,Lee, Keun-Woo,Ko, Seung-Whan,Kim, Sung-Hoon,Yun, Sae-Young,Lee, Won-Koo,Ha, Hyun-Joon Korean Chemical Society 2010 Bulletin of the Korean Chemical Society Vol.31 No.3
Substituted imidazolidin-2-ones deduced as potential inhibitors of IleRS by docking simulations were synthesized from an aziridine-2-carboxaldehyde. Reductive amination of an aziridine-2-carboxaldehyde with dipeptides for the substituents at N1 and followed by aziridine-ring expansion with triphosgene afforded 4-chloromethylimidazolidin-2-ones whose chloride were further manipulated towards phenylurea, pyrimidin-2-yl-urea or benzenesulfonamide at C4.
Eum, Juneyong,Kwak, Jina,Kim, Hee Joung,Ki, Seoyoung,Lee, Kooyeon,Raslan, Ahmed A.,Park, Ok Kyu,Chowdhury, Md Ashraf Uddin,Her, Song,Kee, Yun,Kwon, Seung-Hae,Hwang, Byung Joon MDPI 2016 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES Vol.17 No.11
<P>Environmental contamination by trinitrotoluene is of global concern due to its widespread use in military ordnance and commercial explosives. Despite known long-term persistence in groundwater and soil, the toxicological profile of trinitrotoluene and other explosive wastes have not been systematically measured using in vivo biological assays. Zebrafish embryos are ideal model vertebrates for high-throughput toxicity screening and live in vivo imaging due to their small size and transparency during embryogenesis. Here, we used Single Plane Illumination Microscopy (SPIM)/light sheet microscopy to assess the developmental toxicity of explosive-contaminated water in zebrafish embryos and report 2,4,6-trinitrotoluene-associated developmental abnormalities, including defects in heart formation and circulation, in 3D. Levels of apoptotic cell death were higher in the actively developing tissues of trinitrotoluene-treated embryos than controls. Live 3D imaging of heart tube development at cellular resolution by light-sheet microscopy revealed trinitrotoluene-associated cardiac toxicity, including hypoplastic heart chamber formation and cardiac looping defects, while the real time PCR (polymerase chain reaction) quantitatively measured the molecular changes in the heart and blood development supporting the developmental defects at the molecular level. Identification of cellular toxicity in zebrafish using the state-of-the-art 3D imaging system could form the basis of a sensitive biosensor for environmental contaminants and be further valued by combining it with molecular analysis.</P>
박희승,김우성,이영석,최성호,김만조,박상제,김은규,최세림,송동주,엄정섭 대한소화기내시경학회 2001 Clinical Endoscopy Vol.23 No.3
Carcinoid tumors of the rectum are relatively uncommon and comprise only about one percent of all rectal neoplasms. Typically, rectal carcinoids present as small, solitary submucosal nodules and have benign course. But, multicentricity is rare. The frequency of an associated second malignancy is about 13%. The explanation of the high frequency of other neoplasms associated with carcinoid tumors is still unclear. We have experienced two cases of multiple carcinoid tumors of the rectum, one was coexisted with adenocarcinoma of the sigmoid colon. They presented with mass on the right inguinal area and hematochezia. Carcnoids was found incidentally. Because the tumors measured 15 mm or less in diameter, did not infiltrate beyond the submucosal layer and had no histological atypia, carcinoids was treated by endoscopic polypectomy and mucosal resection. Thereafter, one underwent surgery for adenocarcinoma of the sigmoid colon. Herein we present our experience with reviewed literatures.
이정원 ( Jeoung Won Lee ),엄성심 ( Sung Shim Eum ),박인규 ( In Gyu Park ),배정준 ( Joung Jun Bea ),정동석 ( Dong Suk Joung ),송희종 ( Hee Jong Song ) 한국동물위생학회 2005 한국동물위생학회지 (KOJVS) Vol.28 No.2
Newcastle disease(ND), infectious bronchitis(IB), low pathogenic avian influenza(LPAI) and fowl typhoid(FT) have been known as egg drop laying diseases because of the serious layer damage from mass zone layer. In this study, such egg drop laying diseases were investigated. To access this study, we performed to evaluate antibody titers in serum and isolated bacteria and virus from organs and feces on May, July and September in 2003. The distribution of ND from January to May, IB and LPAI from October to February of the next year, and FT from March to September were inspected by the question survey in 21 farms. ND revealed to be positive rates of 490 to 474(96.7%) in May, 510 to 506(99.2%) in July and 510 to 510(100%) in September with hemagglutination inhibition(HI) test. The mean antibody titers were 10.2, 9.9 and 10.2, respectively. With regard to IB, 484 out of 490 samples(98.7%) in May, 508 of 510(99.6%) in July and 509 of 510(99.8%) in September showed positive results and the mean antibody titers were gradually increased with 8.2, 9.0 and 9.4, respectively. According to HI test of LPAI, the positive results were shown in 442 of 480(92.1%), 394 of 494(79.8%) and 402 of 483(83.2%) in May, July and September, respectively. The mean antibody titers were decreased with 4.6, 4.3 and 4.0. The distribution of LPAI also elicited the positive rates of 480 to 475(99.0%) in May, 494 to 485(98.2%) in July, 483 to 472(97.7%) in September as determined by ELISA and the mean S/P ratio were 2.319, 2.557 and 2.380, respectively. Compared ELISA results with HI test of LPAI the positive results were 480 to 422(92.1%), 475(99.0%), 494 to 394 (79.8%), 485(98.2%) and 483 to 402(83.2%), 472(97.7%). Therefore, the positive rate determined by ELISA was higher than that of HI test with 6.9, 18.4 and 14.5%, respectively. When performed RT-PCR for ND using organ and feces samples, the pathotypes were detected 5(15.6%) in May, 2(5.3%) in July, 2(7.1%) in September but there is no samples showing positive band for LPAI. In attempt to isolate Salmonella gallinarum, bacteria were obtained from 4 cases(12.5%) in May, 9(23.6%) in July, 5(17.8%) in September. Thus the highest rate for isolation revealed to be shown in July. When evaluated the antimicrobial susceptibility to 18 isolated strains of S. gallinarum, bacteria were sensitive to trimethoprim/sulfamethox(61.1%), kanamycin(55.5%), ampicillin(55.5%) and amoxacillin/clavulanic acid(55.5%), cephalothin(50.0%), but resistant to penicillin(88.9%), streptomycin(88.9%), erythromycin(83.4%) and tetracycline(61.1%). According to HI test of ND and LPAI using captured 164 wild Korean tree sparrows(Passer nontanus), the positive rates were 47.6% and 57.3%, and the mean HI titers were 5.32 and 4.02, respectively. 71(43.2%) and 58(35.3%) in captured sparrows also showed more than 4 titers for HI test to ND and LPAI, respectively. However, the attempt for isolation of viruses failed in all samples.
CO2 Recovery from Flue Gas by PSA Process using Activated Carbon
Na, Byung Ki,Koo, Kee Kahb,Eum, Hee Moon,Lee, Hwaung,Song, Hyung Keun 한국화학공학회 2001 Korean Journal of Chemical Engineering Vol.18 No.2
An experimental study was performed for the recovery of CO₂from flue gas of the electric power plant by pressure swing adsorption process. Activated carbon was used as an adsorbent. The equilibrium adsorption isotherms of pure component and breakthrough curves of their mixture (CO₂: N₂: O₂=17 : 79 : 4 vol%) were measured. Pressure equalization step and product purge step were added to basic 4-step PSA for the recovery of strong adsorbates. Through investigation of the effects of each step and total feed rate, highly concentrated CO₂could be obtained by increasing the adsorption time, product purge time, and evacuation time simultaneously with full pressure-equalization. Based on the basic results, the 3-bed, 8-step PSA cycle with the pressure equalization and product purge step was organized. Maximum product purity of CO₂was 99.8% and recovery was 34%.
천인혁(In-Hyuk Cheon),엄태랑(Tai-Rang Eum),권란(Lan Kwon),이경근(Kyung-Geun Lee),송정희(Jung-Hee Song) 한국정보과학회 2003 한국정보과학회 학술발표논문집 Vol.30 No.1A
본 논문에서는 웹 기반의 사이버 강의 시스템을 이용하여 사용자가 인터넷을 통해 교육을 제공 받을 때 발생하는 트래픽을 측정 분석하고 강의에서 제공되는 동영상, 음성 및 문서 등의 멀티미디어 컨텐츠들이 대역폭에 미치는 영향을 분석한다. 또한 강의형태에 따라 트래픽 모델을 제시하고 강의 컨텐츠의 구성에 따라 달라지는 전송대역폭과 사용자수에 따른 영향을 분석한다.
증례보고 : 내경 정맥을 통한 중심 정맥 도관술시 발생한 의인성 척추 동정맥루
신혜란 ( Helen Ki Shinn ),송장호 ( Jang Ho Song ),한정욱 ( Jeong Uk Han ),고희창 ( Hee Chang Ko ),조병권 ( Byung Kwan Cho ),음선형 ( Son Hyoung Eum ),정종권 ( Jong Kwon Jung ) 대한마취과학회 2007 Korean Journal of Anesthesiology Vol.53 No.6
Iatrogenic vertebro-vertebral arteriovenous fistula (AVF) is an uncommon complication resulting from various procedures such as central venous catheter insertion. The incidence may be underestimated since the diagnosis is not easy because of its rarity. A central venous catheterization via the internal jugular vein was attempted in a 43-year-old female who presented for intracranial aneurysmal clipping under general anesthesia. Inadvertent arterial puncture was recognized as pulsatile arterial blood flow through the needle. The needle was removed and local compression was applied to the puncture site. The catheter was inserted via the right femoral vein. After surgery, the patient recovered from anesthesia without any complications. On postoperative day 5, thrill and bruit on the right side of the neck were noted on physical examination. Angiography confirmed vertebro-vertebral AVF, which was successfully obliterated with a stent 3 months later. (Korean J Anesthesiol 2007; 53: 806∼9)
서석열 ( Surk Yul Seo ),허부홍 ( Boo Hong Hur ),엄성심 ( Sung Sim Eum ),김태중 ( Tae Joong Kim ),송희종 ( Hee Jong Song ),김진환 ( Jin Hwan Kim ),이희문 ( Hee Moon Lee ) 한국동물위생학회 1998 한국동물위생학회지 (KOJVS) Vol.21 No.1
Fugi are eukaryotic, nonphotosynthetic, filamentous or unicellular organisms, most of which grow on nonliving materials as saphrophytes. The majority are therefore opportunistic pathogens and predisposing factors often contribute to the establishment of fungal infection. These include an alteration in the normal flora of the host by prolonged administration of antibiotics, immunosup-pression, concurrent infections, damage to the skin or mucous membranes, constantly moist areas of skin or the exposure to a large infective dose, and as with fungal spores. Fungi may cause a variety of diseases which may be due directly to fungal invasion of tissue or more often to the ingestion of toxins produces by fungi in growing, standing or stored grains and other animals feeds. In this experiment, contaminated fugi were isolated and identified from animal feedstuffs such as Korean cattle, milking cows, pigs and chickens. Twelve genues were isolated from animal feeds, they are 9 from Korean cattle and milking cows feeds, 6 from pigs feeds, and 10 from chickens feeds. Among them, most frequently encountered species was Yeast(56 strains), followed by Fusarium sp(41 strains), Aspergillus sp(20 strains), each of Microsporum sp and Trichophyton sp(17 strains), Penicillium sp(12 strains), in order. And also minority was isolated as Candida sp(4 strains), Trichoderma sp(3 strains), each of Epidermophytom sp and Absida sp(2 strains), and each of Sporothrix sp and Maduromyces sp(1 strain). Among the Aspergillus sp 20 isolates, A flavus(5 strains), A nidulans(4 strains), A fumigatus(3 strains), A glucans(3 strains), A niger(3 strains) and A terreus(2 strains) were identified.