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위점막에서 Helicobacter pylori 분포의 내시경적 진단
주영은(Young Eun Joo),김신묵(Sin Mook Kim),김태두(Tae Du Kim),신동현(Dong Hyun Sin),성종호(Jong Ho Seong),안영주(Young Joo Ahn),정용환(Yong Hwan Jeong),양대현(Dae Hyun Yang),유종선(Chong Sun Rew),윤종만(Chong Mann Yoon) 대한내과학회 1994 대한내과학회지 Vol.46 No.1
Background: Since the successful isolation of Helicobacter pylori from the human gastric mucosa by Warren and Mashall, biosy studies have shown that this organism is closely related to chronic gastritis and peptic ulcer. However the distribution of this organism has been proved to be uneven and patchy on the gastric mucosa. The aim of this paper is to assess the distribution of this organism on human gastric mucosa in vivo by endoscopy. Method: To control the gastric pH around 4.0 to 6.0, premedication by the intravenous injection of ranitidine 50mg one hour before the endoscopy, was performed. And thereafter, 0.1% phenol red solution containing 0.5M urea was sprayed onto the mucosal surface of the stomach through the endoscope. A red color change was observed in a few seconds after spraying the phenol red solution. The red color change pattern was classified into three types: diffuse, regional and patchy type. Two biopsies were taken from the red color changed area and the unstained area for hitological and bacteriological study. Results: l) In 26 out of 33patients with chronic gastritis, the red color change was observed after spraying the phenol red solution. The diffuse, regional and patchy type in chronic gastritis patients were observed in 17, 5, 4 patients respectively. In peptic ulcer group, the diffuse type was observed in 6 and the regional and patchy type were observed in 3, 1 patients. 2) The bacteriological and histological identification of Helicobacter pylori was observed in 17 of 26patients (65.4%) With Chronic gastritis and 7 Of 10patiCIltS (70%) with peptic ulcer in the biopsy materials taken from the gastric mucosa showing a red color change with phenol red solution. But the organism was not found in the unchanged and unstained mucosa except for one case of chronic gastritis. Conclusion: These results suggest that this endoscopic spraying technique may be useful to determining the distribution of Helicobacter pylori in human gastric mucosa.
B 형 간염 백신의 효과 - 산모의 HBeAg 양성 유무에 따라 -
김세종(Sei Jong Kim),윤종만(Chong Mann Yoon),최관수(Gwan Su Choi),김지운(Ji Woon Kim),정남기(nam Ki Joung),장영호(Yung Ho Chang),오은아(Eun A O),양인애(In Ae Yang),유영근(Young Geun Ryoo),이봉섭(Bong Seob Lee) 대한소화기학회 1988 대한소화기학회지 Vol.20 No.1
N/A The preventive efficacy for HBV infection and chronic HBV carrier rate by active and passive immunoprophylaxis was observed in 49 newborn infants whose mothers were healthy HBV carriers with normal ALT activity at delivery. All infants were divided into 3 groups; Group A received HBIG at birth and HB Vaccine (Hepavax- B) at month 0, 1 and 6. Group B received first or second vaccine only. Group C received no vaccine. ALT activity, HBsAg and anti-HBs were tested every 3 months for 18 rnonths after delivery, and the results were analyzed in 3 groups according to the mothers HBeAg positivity. 1) The anti-HBs response was57.1% (16/28) in Group A and 76.9% (10/13) in the control group whose mothers vere normal. The anti-HBs response was 64.3% (9.14) and 57.1% (8/14) according to the mothers HBeAg positivity and negativity. The anti-HBs response was 56.3% (9/16) in male and 66.7% (8/12) in female infants. The anti-HBs response svas higher in female infants and infants a hose mothers were normal or HBeAg positive carriers. 2) Chronic HBV carrier rate in infants of HBeAg positive mothers was 14.3% (2/l4) in Ciroup A, 72.7% (8/11 ) in Group 8, 100% (6/6) in Group c and was statistically significant (p=0.037) (c=0.816). There was no significant difference hetween group A, B, and C in infants of HBeAg negative mothers. 3) The positive rate of HBsAg showed significant difference between Groups A and B, A and C, A and (B+C), (A+B) and C in all 3 monthly follow-up tests in infants of HBeAg positive mothers. But there was no significant difference between (groups A, B, and C in infants of HBeAg negative mothers. The results suggest that the anti-HBs response was lower in infants of HBsAg carrier mothers. The preventive efficacy of vaccine for HBV infection and chronic HBV carrier rate was excellent in infants of HBeAg positive mothers but not significant in infants of HBeAg negative mothers by the active and passive immunoprophylaxis.
다익 팬/스크롤 시스템의 로터 내부 유동 특성에 관한 실험적 연구
맹주성,윤준용,안태범,윤종은,한덕전,Maeng, Joo-Sung,Yoon, Joon-Yong,Ahn, Tae-Beom,Yoon, Jong-Eun,Hahn, Doug-Jeon 대한기계학회 1999 大韓機械學會論文集B Vol.23 No.5
Detailed characteristics of the mean flow field inside the rotor of a multiblade fan with scroll are presented in this paper by measurements and visualizations. The measurements were taken with a five-hole probe and conformed by smoke test. How field is distinguished clearly in 3 regions with respect to the flow directions. The first region is near the exit of scroll where the fluid flows the opposite direction to the rotation of rotor. The second is opposite side of the scroll exit where the fluid flows the same direction to the rotation of rotor. The third is the region where the fluid flows toward the blades directly with the largest values comparatively. The strongest recirculation is happened in the second region, and the weakest one is in the third region. This complex configuration makes the flow field highly non-uniform and may cause to generate a noise and ineffective flow efficiency.
이영섭(Lee Young-Seop),남궁석(NamGoong Seok),윤종은(Yoon Jong-Eun) 한국철도학회 2008 한국철도학회 학술발표대회논문집 Vol.- No.-
This study was the development of air-cleaner for railroad passenger car. the characteristic of air-cleaner is to improvement of in door air quality and easy of maintenance. the air-cleaner is applicated to roll filter system. advantage of roll filter is to reduce time and cost of maintenance. The developed air-cleaner was installed to the railroad passenger car, and then has fieldtested for roll filter system"s performance. the result of field-test performance was average Eff. 32% that is average of several days" measurement data.
위암종에서 Glutathione S - Transferase π 에 대한 면역 조직화학적 연구
지미선(Mi Seon Jee),류도현(Do Hyun Rhew),백강우(Kang Woo Baek),문범(Beom Moon),주영은(Young Eun Joo),김태두(Tae Du Kim),유종선(Jong Sun Rew),윤종만(Chong Mann Yoon),박창수(Chang Soo Park) 대한내과학회 1995 대한내과학회지 Vol.48 No.6
Objectives: Glutsthione S-Transferases (GSTs) are a family of isoenzymes which catalyse the conjugation of glutathione to a variety of electrophilic compounds which include carcinogens and cytotoxic drugs. These enzymes probably form part of an inherent, protective mechanism against the development of tumors. There is also evidence to suggest s role for GST in drug resistance in cancer chemotherapy. Three classes of cytosolic GST isoenzymes exist in man. These are identified as basic(a), neutral(μ), acidic(π) GST. GSTπ has been studied recently because of its high level in biliary or colon carcinoma. To assess the relation of the expression of GSTπ with malignant index on human gastric carcinoma, this study was designed. Methods: Immunohistochemical study for GSTπ was performed in paraffin sections of 85 primary gastric carcinomas. Results: 1) Strong positive reaction for GST was observed mainly in the nuclei and cytoplasms of tumor cells and normal mucosal epithelium around cancer nest revealed weak positive reaction. 2) The positivity of GSTπ in gastric carcinoma was 94.1%. By the histological differentiation, the positivity was 84.2% in well-differentiated adenocarcinoma, 100% in moderately-differentiated adenocarcinoma, 100% in poorly-differentiated adenocarcinoma, 93.89o in mucinous adenocarcinoma, 90% in signet-ring cell carcinoma. Moderately-differentiated adenocarcinoma and poorly-differentiated adenocarcinoma revealed the most high positivity ratio. 3) Positivity of GSTπ in cancer nest had a increased trend in poorly-differentiated than well-differentiated adenocarcinoma. Conclusion: The results suggest that GSTπ may be a useful tumor marker of human gastric carcinoma.
조영구,김세종,윤종만,이재은 대한소화기학회 1970 대한소화기학회지 Vol.2 No.2
The case 1; the patient was 23 years old woman who entered with the chief compiaints of bloody diarrhea and lower abdominal pain. The routine laboratory examinations showed leucocytosis and high titer for Salmonella a.itigen. Roentgenological examination of the colon revealed edematous change, stiffness and distortion of mucosa with marked dilatation of the colon. Medical treatment with ACTH, prednisolone and antibiotics was given, but she expired on the 11th hospital day. The case 2; the patient was forty three years old man who entered with fever, lower abdominal painn and bloody diarrhea. Laboratory examinations showed leucocytosis and high titer for Salmonella antigen. He was underwent total colectomy and ileorectostomy. Postoperative biopsy findings of the colon revealed a marked necrosis in mucosa and upper part of submucosa, and an active infiltration of neutrophiles with exudative changes in deeper part of submucosa and muscularis. The patient expired on the first postoperative day.
양대현,한상우,주영은,김신묵,김세종,윤종만,김태두,류도현,지미선,유종선 대한소화기내시경학회 1994 Clinical Endoscopy Vol.14 No.1
Leiomyosarcoma of the duodenum is an uncommon tumor and have not specific symptoms and signs, almost all cases of tumor were diagnosed in operating room. This tumor is generally firm, relatively well encapsulated, lobulated and often soft if they undergo hemorrhagic necrosis. Most authors emphasized the relative number of mitosis as the most reliable findings of leiomyosarcoma. Recently, we experienced a case of leiomyosarcoma of duodenum which was confirmed by operative and pathological diagnosis.