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Catalytic oxidation of hydrogen at nanocrystalline palladium surfaces
Oh, Chanick,Hong, Kwan Soo,Lee, SangGap,Park, Chung-hyun,Yu, Insuk IOP Pub 2006 Journal of physics, an Institute of Physics journa Vol.18 No.13
<P>We studied hydrogen adsorption onto the oxidized nano-palladium surface using <SUP>1</SUP>H NMR. In the α phase, the incoming hydrogen molecules dissociate and form OH<SUB>ad</SUB>. We confirm that the <img SRC='http://ej.iop.org/images/0953-8984/18/13/001/cm210477ieqn1.gif' ALIGN='MIDDLE' ALT='\mathrm {OH_{ad}} \rightarrow \mathrm {H_2O}(\uparrow) '/> transformation occurs during the α–β phase transition by observing a decrease in OH<SUB>ad</SUB> resonance intensity.</P>
대전·충남지역 고등학교 1학년생의 풍진 항체보유율과 백신접종 후의 항체형성률
오성균,김수영,여경오,김윤태,최명한,이석구,조영채,이동배,이태용 충남대학교 의과대학 지역사회의학연구소 1998 충남의대잡지 Vol.25 No.2
For the purpose of investigating the positive rate of rubella antibody and sero-conversion rate after rubella vaccination, 863 high school students of the two regions were studied from April 21st, 1996 to September 20th, 1996. The main results were as follows; 1. Positive rate of IgG in male was higher than in female, and the rate of IgM was also higher in male than in female. 2. Positive rate of IgG by blood type was similar, but positive rate of IgM was higher in AB type than the others. 3. Positive rate of IgG by vaccination was similar to all groups, but positive rate of IgM was higher in which was not vaccinated group. 4. Positive rate of IgG and IgM, having vaccination card, was less than which was not having vaccination card. 5. Those who were vaccinated acquired IgG(+) regardless of an existence of IgG antibody, and 28.3% of IgG(-), IgM(+) male who was not vaccinated became IgM(+), IgG(+) after 3months later. As a result positive rate of male was higher than female. The author conclude that vaccination is necessary to prevent from rubella for them.
신주위 공간 및 요근을 침범한 췌장성 가성낭포 1례 : 진단및 경피적 배액술 Diagnosis and Percutaneous Drainage
이현경,오연희,이원재,한동선,오민구,이성우,박수성 동국대학교 경주대학 1993 東國論集 Vol.12 No.-
Pancretic pseudocyst is a well-known complication of pancreatitis and may occur in unusual locations. Involvement of the left perirenal space and psoas muscle is rare. Radiologic findings and management of a surgically proven case of pancreatic pseudocyst extending to left perirenal space and psoas muscle is described.
생약제제인 이공산(異功散)의 Cisplatin 유도 신장독성 보호 및 항산화 효과
Lee, Kyung-Tae,Ahn, Kyoo-Seok,Chang, Sung-Goo,Oh, Soo-Myung,Jung, Jee-Chang 경희대학교 동서의학연구소 1999 INTERNATIONAL SYMPOSIUM ON EAST-WEST MEDICINE Vol.1999 No.1
Kyung-Tae Lee, Kyoo-Seok Ahn¹, Sung-Goo Chang², Soo-Myung Oh²and Jee-Chang Jung²¹College of Pharmacy, ²Oriental Medicine and ³College of Medicine, and East-West Medical Reserch Institute, Kyung Hee University, Seoul, Korea. Preventive and Antioxidative Effects of Crude Drug Preparation(E-kong-san) on Cisplatin Induced Nephrotoxicity. Proceedings of International Symposium on East-West Medicine, Seoul. 201-211, 1999. -Nephroprotective effects of a crude drug-prearation (E-kong-san) were determined from cisplatin on rabbit kidney proximal tubule and human renal cortical cells by MTT assays and sustained glucose consumption on ciplatin-induced human renal cortical tissue. Levels of creatinine and blood ure nitrogen(BUN) in serum after administration of cisplatin(0.75mg/kg,i.p.) to E-kong-san(0.75g/kg/day,p.o.)-pretreated rats were markedly lower compared to those of cisplatin-treated rats. Moreover, the administration of E-kong-san significantly inhibited the loss of body weight of cisplatin injected rts. These findings suggest that E-kong-san on the cisplatin induced nephrotoxicity led us to investigate whether the effect of this water extract was a result of anti-oxidation. E-kong-san showed strong free radical scavenger activities on 1,1-dipheny1-2picrylhydrazil(DPPH) radical and xanthine/xanthine oxidase(XOD) generated superoxide anion radical(O2-). We further studied the effects of E-kong-san on lipid peroxidation in rat liver microsomes induced by enzymatic and nonenzymatic methods. E-kong-san exhibited significant inhibition on both ascorbic acid/Fe2+and ADP/NADPH/Fe3+ induced lipid peroxidation in rat liver microsomes. Based on these results, we suggest that-E-kong-san attenuate the cisplatin induced cytotoxicity and its mechanism can be eplained by antioxidant.
혼수상태의 외상환자에서 초음파를 이용한 흉부 및 복부손상의 진단
임경수,이강현,이진웅,이부수,황성오,유수영,강성준 대한응급의학회 1995 대한응급의학회지 Vol.6 No.1
The need for rapid diagnosis and treatment of life-threatening thoracic and intra-abdominal injury result in controversy over the appropriate triage of unconscious blunt trauma patients. To aid in early decisions for these patients, a prospective analysis of 98 patients with glasgow coma scale(GCS) scores≤8 was undertaken. Although intra-thoracic and intra-abdominal injuries were frequently identified based on systolic blood ressure, the use of clinical signs alone resulted in more missed injuries than did using the emergency ultrasonography. In normotensive patients(n=34), intra-thoracic injuries was identified in one patient(2.9%), and intra-abdominal injuries were in 7 patients(20.6%). In shock(systolic blood pressure<90mmHg) Pa-tients(n=64), thoracic injuries and intra-abdominal injuries were diagnosed in 8(12.5%) and 27 patients(42.3%), thoracic and abdominal combined injuries were identified in 11 patients(17.2%). The sensitivity, specificity, and accuracy of emergency ultrasonography were 96.3%, 91.7%, 94.9%. This study suggests that all unconscious trauma patients undergo immediate emergency ultrasonography to prevent missing life-threatening injuries.
宋周鎬,李昌岬,洪元杓,孟琦錫,任洪彬,李廷玟,李載元,李來烈,權五憲,金振淳,李文洙 충남대학교 공업교육연구소 1982 論文集 Vol.5 No.1
This paper aims at providing a concrete plan to improve technical and vocational teacher education in the College of Industrial Education of Chungnam National University. It is intended to propose a practical four-year regular and short-term course. Also, the estimated required facilities is included in this study as well as their management. The main conclusions and recommendations are summarized as follows; 1) The numbers of students enrollment should be reduced to 220 students which is the approximate number of future demand. 2) In order to offer to the students a broader education and to cope with the increase/decrease in demand of technical and vocational teacher within a specific field, the 8 department existing at the present (Department of Architecture Engineering Education, Civil Eng. Educ., Metallurgical Eng. Educ., Mechanical Eng. .Educ., Electrical Eng. Educ., Electronic Eng. Educ., Industrial Chemistry Educ. and Industrial Technology Educ.) would be combined into 5 (Department of Construction Engineering Education, Mechanical Eng. Educ., Electrical Eng. Educ., Industrial Chemistry Educ. and Industrial Technology Educ.). 3) The short-term course program is recommened to provide additional training and education to those candidates who already have experience in technical fields to meet an occasional demand. 4) It is necessary to add the Teaching Profession Section in the administrative organization of the College.
서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1996)
김재홍,황동규,전재홍,김윤석,김중환,김용준,이창균,임동진,김현수,조창근,김경문,박상훈,전우형,김희성,이호정,차명수,김갑형,김형석,김석우,황지환,박병순,권오상,이민수,송기훈,성소영,이인섭,부태성 대한화학요법학회 1999 대한화학요법학회지 Vol.17 No.2
Background : In recent years, gonorrhea has been panedemic and remains one of the most commom STDs in the world, especially in developing countries. Objective & Methods: For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we have been trying to study the patients who have visited the VD Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results: In 1996, 139 strains of N. gonorrhoeae were isolated, among which 53(39.0%) were PPNG. Conclusion: Our results suggests that after a peak of 74.3% in 1993, the prevalence of PPNG in Seoul is gradually declining.
VP-16으로 성공적으로 치료된 위 Kaposi 육종 1예
양웅석,송근암,조몽,이재승,송철수,김형욱,김영민,이수봉,김태오,이성훈 대한소화기내시경학회 1999 Clinical Endoscopy Vol.19 No.4
The skin is an uncommon site of distant metastasis from any internal malignancy, and the incidence of metastatic skin lesions as the first symptom of disease is only 0.8% in patients with all systemic malignancies. Furthermore, cutaneous metastasis from adenocarcinoma of the stomach has been found to be extremely rare. A 35-year-old female patient was admitted due to multiple cutaneous nodules in her chest, abdomen, and back. A gastroendoscopic examination and biopsy was made according to the results of skin pathologic findings. Stomach and skin biopsy results revealed a signet ring cell type of adenocarcinoma. A case of gastric adenocarcinoma in which metastatic skin nodules appeared as the first sign of disease, is here in reported with a review of related literature.
Kyu-shik Jeong,정원일,Jae-yong Chung,Mi-young An,Chae-yong Jung,Gyoung-jae Lee,Jong-soo Kang,Byeong-cheol Kang,Young-heun Jee,Bruce H Williams,Young-oh Kwon,Da-hee Jeong 대한수의학회 2003 Journal of Veterinary Science Vol.4 No.2
Cirrhosis Occurring in a Young Woodchuck (Marmota monax) Due to Vertical Transmission of Woodchuck Hepatitis Virus (WHV)Da-hee Jeong, Won-il Jeong, Jae-yong Chung, Mi-young An, Chae-yong Jung, Gyoung-jae Lee1, Jong-soo Kang1, Byeong-cheol Kang2, Young-heun Jee3, Bruce H Williams4, Young-oh Kwon5 and Kyu-shik Jeong*College of Veterinary Medicine, Kyungpook National University, Daegu 702-701, Korea1Shinwon Scientific Co., LTD, Research Institute, Suwon, Korea2Clinical Research Institute, Seoul National University, Seoul 110-744, Korea3College of Veterinary Medicine, Jeju National University, Jeju 690-756, Korea