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권이열,김미경,이동섭,홍순영,전혜옥 漢陽大學校 環境科學硏究所 1992 環境科學論文集 Vol.13 No.-
본 연구는 수용액중의 중금속에 대하여 녹차를 이용하여 흡착능을 고찰하였다. 실험에 사용된 녹차는 시판되는 "태평양화학 설록차(2번차)"를 40∼60mesh로 만들어 사용하였다. 각 중금속이온을 함유한 시료용액에 녹차를 첨가하여 흔든 다음, 원심분리해서 상등액중의 각 이온농도를 원자흡광광도계로 측정했다. 그 결과, 각 조건에서 녹차에 의한 중금속의 최대흡착율은 Cu(Ⅱ)는 65∼78%, Cd(Ⅱ)는 78∼82%, Pb(Ⅱ)는 82∼92%였으며, 반응초기 10분간에 최대흡착율의 90%가 일어났다. The adsorptivities of the green-tea particles on Pb(Ⅱ), Cd(Ⅱ) and Cu(Ⅱ) ions were examined by measurements of the adsorption percentage under various conditions, and the method to collect and remove the metallic ion in aqueous solutions were described. Each of 100ml sample solution of Pb(Ⅱ),Cd(Ⅱ) and Cu(Ⅱ) ions mixed with 2g of the green-tea under stirring for minutes. The solutions were then centrifuged, and the concentrations of Pb(Ⅱ), Cd(Ⅱ), and Cu(Ⅱ) ions in the supernatant solution were determined by the atomic absorption spectrometer. As the results, the adsorption equilibrium of Pb(Ⅱ), Cd(Ⅱ) and Cu(Ⅱ) ions were reached to equilibrium by shaking for about 30∼40minutes. Then adsorptivities were 84%, 79% and 65% respectively.
한의진단명과 진단요건의 표준화 연구 II (표준화 실례) : 2차년도 연구결과 중간 보고
양기상,최선미,최승훈,안규석,박경모,박종현,김성우,신승호,정우열,전병훈,고현,김정범,신상우,김성훈,김동희,권영규,엄현섭,장혜옥 한국한의학연구원 1996 한국한의학연구원논문집 Vol.2 No.1
The diagnostic requirements were suggested and explained regarding the systems of differentiation of symptoms and signs in the second year study of standardization and unification of the terms and conditions used for diagnosis in oriental medicine. The systems were as follows; - differential diagnosis according to condition of body fluid, differentiation of syndromes according to the state of qi and blood, differential diagnosis according to relative excessiveness or deficiency of yin and yang(氣血陰陽津液辨證) - differentiation of diseases according to pathological changes of the viscera and their interrelation - analyzing and differentiating of febrile diseases in accordance with the theory of the six channels(傷寒辨證) The individual diagnosis pattern was arranged by the diagnostic requirements in the following order : another name(異名), notion of diagnosis pattern, index of differentiation of symptoms and signs(辨證指標), the main point of diagnosis, analysis of diagnosis pattern(證候分析), discrimination of diagnosis pattern(證候鑑別), a way of curing a diseases(治法), prescription(處方), herb in common use(常用藥物), diseases appearing the diagnosis pattern(常見疾病), documents(文獻調査). This study was carried out on the basis of the Chinese documents and references.
( Dong Ok Jeon ),( Ju Sang Park ),( Hyo Jin Cho ),( Jung Hee Kim ),( So Ya Paik ),( Il Dong Kim ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: Inverted colonic diverticula (ICD) are rarely reported. ICD can be confused with elevated polypoid lesions and are occasionally complicated by bleeding and colonic perforation following biopsy or endoscopic resection. We report a case of inverted diverticulitis of ascending colon misdiagnosed as subepithelial tumor. Case report: A 61-year-old man, who had history of adenomatous colon polyps and an about 3.5 cm sized subepithelial tumor in the ascending colon 5 years ago, presented for surveillance colonoscopy. He had no symptoms. Physical examination and laboratory data were normal. On follow-up colonoscopy, subepithelial tumor without change in size showed a central necrosis communicating to surface in ascendingcolon. Biopsies revealed chronic infl ammation and elongated crypts without evidence of malignancy. The abdominal CT showed 4 cm sized segmental wall thickening with enhancement in proximal ascending colon. A laparoscopic right hemicolectomy was performed to rule out malignant transformation of subepithelial tumor. Intraoperative fi ndings revealed an infl ammatory mass in proximal ascending colon. Histopathologic evaluation revealed a 3.5x3.0 cm sized diverticulum with multiple mucosal invaginations containing inspissated mucoid materials, congested subserosa and fi brinous exudated serosa without malignancy -The fi nal diagnosis was inverted colonic diverticulitis of ascending colon. Two years ago, on further history taking, patient had an episode of right lower quadrant abdominal pain, which was misdiagnosed as an infectious enterocolitis and resolved with conservative management. Maybe it was thought to be due to colonic diverticulitis. Conclusion: Because ICD may resemble polypoid lesions in the colon, they should be considered in the differential diagnosis of unusual polypoid lesions by additional imaging studies such as EUS and CT. To our knowledge, this is the fi rst case of ascending ICD complicated with diverticulitis.
전동옥 ( Dong Ok Jeon ),박주상 ( Ju Sang Park ),김지은 ( Ji Eun Kim ),이상진 ( Sang Jin Lee ),조효진 ( Hyo Jin Cho ),임성규 ( Sung Gyu Im ),김일동 ( Il Dong Kim ),한은미 ( Eun Mee Han ) 대한소화기학회 2013 대한소화기학회지 Vol.62 No.5
Inferior mesenteric arteriovenous fistula is rare and may be congenital or acquired. Affected patients present with abdominal pain, mass, or manifestations of portal hypertension and bowel ischemia. Until now, inferior mesenteric arteriovenous fistula due to trauma has not been reported. Herein, we report a case of a 53-year-old woman who had inferior mesenteric arteriovenous fistula considered to have originated from remote blunt trauma that was successfully treated by surgical resection of only the arteriovenous fistula without colectomy. To our knowledge, this is the first case of traumatic inferior mesenteric arteriovenous fistula. (Korean J Gastroenterol 2013;62:296-300)
Influence of smoking and fighter flight on the lung; low-dose computed tomography study
( Dong-ho Bang ),( Young-wook Jeon ),( Seong Hoon Park ),( Joon Beom Seo ),( Namkug Kim ),( Ok-man Jeong ),( Wi-sub Hwang ),( Seonhyeok Kang ) 국군의무사령부 2014 대한군진의학학술지 Vol.45 No.1
Objectives: to compare low-dose chest computed tomography (LDCT) findings between fighter pilots and nonflying personnel. Methods: A total of 235 participants without any fighter flight experience and 185 fighter pilots with > 1,000 flight hours who underwent LDCT imaging were included in our study. The subjects were further divided into a smoking group and a nonsmoking group. The prevalence of each LDCT finding was compared by univariate analysis. Logistic regression analysis was performed with variables suspected of being significant in the univariate analysis and controlled by age > 50 years, smoking status, and fighter flight. The diameters of the pulmonary artery (PA) and the ascending aorta (AA) were measured and the PA:AA ratio were calculated. Results: Among the nonsmokers, subsegmental atelectasis was rare in the fighter pilots. Among the smokers, bronchiectasis was rare in the fighter pilots, but paraseptal emphysema was common. Paraseptal emphysema was prevalent in the smokers. Fighter flight had no significant influence on the lung. The diameters of PA and AA and PA:AA ratio were not significantly different between the two groups. Conclusion: The results suggest that a combination of fighter flight and smoking may have effects on the chest, particularly regarding the development of paraseptal emphysema.
( Dong-ho Bang ),( Seong Hoon Park ),( Joon Beom Seo ),( Namkug Kim ),( Sang-min Lee ),( Young-wook Jeon ),( Ok-man Jeong ),( Wi-sub Hwang ),( Seonhyeok Kang ) 국군의무사령부 2014 대한군진의학학술지 Vol.45 No.1
Purpose: to compare pulmonary morphology between fighter pilots and nonflying personnel using low-dose chest CT (LDCT) quantification. Methods: A total of 36 military fighter pilots and 36 nonflying personnel who were non-smoker in our institute from April to July 2013 were included in our study. The LDCT images were reviewed and the prevalence of each LDCT finding was compared by univariate analysis. The diameters of the pulmonary artery (PA) and the ascending aorta (AA) were measured and the PA: AA ratio were calculated and they were compared between the military fighter pilots and nonflying personnel. Quantification with LDCT images using in-house software based on the fullwidth- half-maximum method was performed. Lung volume, emphysema index, mean lung density, airway diameter and airway luminal area of subsegmental bronchus were also obtained and compared between the two groups using paired-t-test. Results: There was no statistically significant difference in the prevalence of LDCT findings between the two groups. AA, PA, and PA:AA ratio of the subjects did not show any statistically significant difference between the two groups. The mean airway diameter (mm) and airway luminal area (mm2) were significantly larger than that of the nonflying personnel (3.50 0.34 vs 3.21 0.44 and 11.29 2.84 vs 9.26 2.93, respectively) but lung volume, emphysema index, and mean lung density were not significantly different between the two groups. Conclusion: The occupational exposure to fighter flight might have influence on the lung, especially, airway dilatation.
Fabrication of the CuInGaSe Pellet and Characterization of the Thin Film
Jeon, Hunsoo,Lee, Ahreum,Lee, Gang-Seok,Jo, Dong-Wan,Ok, Jin-Eun,Kim, Kyoung Hwa,Yang, Min,Yi, Sam Nyung,Ahn, Hyung Soo,Cho, Chae-Ryong,Kim, Suck-Whan,Ha, Hong-Ju IOP Publishing 2011 Japanese journal of applied physics Vol.50 No.1