Direct Deposition of CeO2 Films on Ni Metal Substrate by Chemical Vapor Deposition

Hong, Gye Won,Lee, Young Min,Lee, Hee Gyoun,Jung, Choong Hwan 대한금속재료학회(대한금속학회) 2000 METALS AND MATERIALS International Vol.6 No.3

Cerium dioxide thin films have been grown in-situ directly on cube textured Ni substrate by metal-organic chemical vapor deposition (MOCVD). At a lower deposition temperature of 400℃, an amorphous film was formed. The texture of crystalline CeO₂ film was changed from (200) orientation to (111) orientation when the deposition temperature was increased from 450℃ to 550℃. The growth rate was ∼40 ㎚/min and the rms surface roughness was 50 ㎚ for the CeO₂ film deposited at 450℃ for 10 min. Surface roughness of the film was increased with the development of (111) orientation. Deposited CeO₂ film showed a mixed texture of (100)$lt;001$gt; and (100)$lt;011$gt; orientation. Depending on the deposition condition, the transition from (100)$lt;001$gt; texture to (100)$lt;011$gt; orientation was observed.

건강증진 프로그램이 노인의 혈중지질수준에 미치는 영향

민춘기,염동삼,현광석 忠南大學校體育科學硏究所 2001 體育科學硏究誌 Vol.19 No.1

The Purpose of this study was to investigate the effects of program for improving blood lipid level. This study employed 36 healthy older people who were 60∼65 years old(mean age 62.5years). The subjects were randomly assigned to one of three groups (two experimental groups and one control). Each group ended up with 12 subjects. The subjects in the utilized the 3×4 factorial ANOVA repeated measure design. The results of the study were as follows: 1. There were statistically significant difference between the HDL-C means of the control group and the two experimental groups. 2. The total cholesterol(TC), triglyceride(TG) are meaned among the control group and the experimental groups show statistically significant differences.

김주영의『객주』에 나타난 음담속담

閔忠煥 부천대학 1996 論文集 Vol.17 No.-

The purpose of the study was to investigate the indecent proverbs used in a long novel 'Kaekchu' written by Ju-Young Kim in the 1970s. This article has been apprised of an excellent contemporary novel in Korea. A long novel 'Kaekchu' was influence by a novel 'Im Kkok Chong' written by Myong-Hee Hong from the 1920s and 1940s under the Japanese occupation. I compared these two novels in terms of the amount of indecent proverbs. Both works shcared same characteristics with regard to the use of affluent Korean native languages, but showed differences in the quantity of indecent proverbs. For example, 'Kaekchu' contains more indecent proverbs than 'Im Kkok Chong'. I thought that these differences may be caused from the social background differences during the time when each novel was written and also caused from the literary views of the authors as well.

PTFE 이식편을 이용한 대퇴동맥과 슬관절이하 동맥 우회로술의 결과 분석

문성민,손민수,이길연,이상목,고석환,홍성화,윤충,오수명,박호철 대한혈관외과학회 2004 Vascular Specialist International Vol.20 No.1

만성 요통 환자의 심리사회적 특성

김용민,원중희,최의성,서중배,이호승,허윤무 충북대학교 의학연구소 2001 忠北醫大學術誌 Vol.11 No.2

연구목적: 만성 요통 환자의 많은 수가 직업 등 주변 환경과 심리 상태의 영향을 받는 것으로 추정되나 그 연관성은 아직 논란이 많다. 본 연구에서는 설문 조사를 통하여 만성 요통 환자의 심리사회적 특성을 알아보고자 하였다. 대상 및 방법. 1997년 7월부터 1998년 12월까지 6주 이상 지속된 만성 요통으로 본원 정형외과 외래를 내원한 환자들 중 기질적 원인이 불명확한 62명의 환자들에서 직업, 유발요인, 치료 등 요통 관련 요소 설문과 Minnesota Multiphasic Personal Inventory (MMPI)를 실시하였다. 요통 관련 사항에는 통증의 기간, 정도, 통증이 유발 또는 심해지는 자세, 그리고 본인이 생각하는 요통의 원인 등을 포함하였다. MMPI는 전체 평균을 이용한 방법과 two-code 방법을 이용하여 평가하였다. 결과: 만성 요통환자의 직업 상 실내에서 앉아 일하는 직업이 가장 맡았으며 일정한 자세를 오래 유지하며 앉거나 서 있는 경우 증상이 악화되는 것으로 기술되었다. MMPI에서는 건강 염려증, 우울증, 히스테리의 세 척도의 평균이 55이상으로 상승되어 있었다. Two-code 방법에서는 92% (46/50)의 환자에서 위 세 척도 중 적어도 하나 이상 상승되어 있었다. 결론: 만성 요통 환자들에서 일상 생활의 자세와 직업이 요통의 발생 및 악화에 영향이 있을 것으로 보여졌다. MMPI를 통한 심리 인성 검사 상 건강 염려증, 우울증, 히스테리의 성향이 증가되어 있어 요통의 발생과 만성화에 심리적 요소가 영향을 미치는 것으로 보여졌다. 사회경제학적, 정신심리학적 요인이 만성 요통에 미치는 영향의 규명을 위한 다양하고 심도 있는 연구가 필요하다고 생각된다. Purpose : Socioeconomic and psychologic factors seem to affect incidence, severity, and chronicity of low back pain. Purpose of this study is to survey socioeconomic factors and document psychoneurotic traits via MMPI in chronic low back pain patients. Materials and Methods : From July 1997 to December 1998, questionnaire about low back pain-related factors such as duration, severity, posture, occupation etc. and MMPI were given to patients who visited our department for chronic low back pain()6weeks). 62 patients completed, and 50 of them completed MMPI. The answers were analyzed. MMPI scores were evaluated in mean±SD method and two-code method. Results : Sedentary workers were the most common. And symptoms were told to be elicited by long sitting or standing posture(job) . Hs, D, Hy scales of MMPI, which are know as "neurotic triad by two-code method was observed in 92% (46/50) . Conclusion : It seemed that job and posture had Important role in chronic low back pain. And, it seemed that chronic low back pain patients had some psychoneurotic traits especially in hypochondriasis, depression, and hysteria. More investigations to document the influences of socioeconomic and psychoneurotic factors in chronic low back pain seems to be necessary.

Crawford Ⅲ형과 Ⅳ형 흉복부 대동맥류 4예 보고

문성민,손민수,이길연,이상목,고석환,홍성화,윤충,오수명,박호철 대한혈관외과학회 2003 Vascular Specialist International Vol.19 No.2

일개 초등학생과 부모를 대상으로 흡연예방 프로그램 실시 후 흡연에 대한 인식의 변화

박경민,이충원 대한보건협회 2003 대한보건연구 Vol.29 No.1

This study was carried out to see change of attitude of primary school students and their parent toward smoking after two months of a smoking prevention program in 445 students of 4-6th grade of a primary school in 2002. The result were as follows: 1. Male students were 53.3% and More than half of parents' attainment of education were high school and 22.0% of the mother were fully employed. Nine male students experienced smoking while none of the female students did. Current smokers were 52.3% in fathers and 2.0% in mothers. 2. Student reported that passive smoking is not good for health were 91.1% before the prevention program but after the program they were 93.5%(x²=5.78, p=0.019). 3. Yes to "smoking of the students is b a d was 86.4% before the program but changed to 91.4% (x²=11.78, p=0.008) 4. Students reported that they will try to smoke after becoming adults were 10.6% before the program but the proportion reduced to 26 students (5.9%) (x²=20.65, p=0.0001). Twenty one students did not changed their attitudes before and after the program. 5. Students reported that they will not try to smoke despite peer pressure were 8'7.2% before and after the program Nineteen students changed their attitudes from "will try" before the program to "will not try" after the program (x²=20.65, p=0.0001). 6. Parents' attitudinal changes after the smoking prevention program noted markedly in "know the health effects of passive smoking", "recognize Seriousness of the current smoking situation in Korea", and "agree for initiation of the smoking prevention program by the school". We propose based on these results that: 1. Many kinds of smoking prevention programs suitable for the primary schools should be developed in linkage with the programs for the middle and high schools. 2. Active change of attitudes by the school employees as well as parents of the students are needed to implement smoking prevention program more properly. 3. Various kinds of smoking prevention programs should be developed applicable for both schools and community as well.

관상동맥색전증에 의한 급성심근경색증 4예

김민근,주혜원,강경필,최병돈,박민석,변영섭,고충원,이건주,김병옥 인제대학교 2006 仁濟醫學 Vol.27 No.-

Acute myocardial infarction(AMI) due to coronary embolism can occur in patients with normal coronary artery. Coronary embolism is believed to be a cause of acute myocardial infarction when emergent coronary angiography shows perfectly normal coronary trees, except for the finding of coronary artery occlusion. In this report, we describe four patients with AMI due to coronary embolism who were successfully treated using a thrombus aspiration device and anticoagulation, and those patients had intracardial thrombus arising from the left atrium due to chronic atrial fibrillation and valvular heart disease. Patients with chronic or paroxysmal atrial fibrillation can present with AMI due to coronary embolism, and thrombus aspiration with percutaneous aspiration device is a feasible treatment option for these patients along with anticoagulation the rapy.

무증상 대퇴골두 무혈성 괴사의 증상발현

원중희,김용민,최의성,이호승,서중배,배병권 대한고관절학회 2001 Hip and Pelvis Vol.13 No.1

일차배양된 설치류 호흡기 상피세포로부터의 점액소 분비에 대한 수종 약물의 영향

이충재,석정호,이재흔,허강민,박지선,배소현,노삼길,박상철 충남대학교 의학연구소 2003 충남의대잡지 Vol.30 No.2

1. PKC activator인 PMA는 일차배양 HTSE세포로부터의 뮤신분비를 0.1μM 농도에서 30%, 1μM 농도에서 80% 가량 증가시켰다. 2. 식물 유래 성분으로, flavonoid의 일종인 TFR은 일치배양 HTSE 세포로부터의 뮤신분비를 10μM 농도에서 50%, 100μM 농도에서 80% 가량 증가시켰다. 3. 양이온성 폴리펩티드인 PLL 및 PLA는 일차 배양 HTSE 세포로부터의 뮤신분비를 0.01 - 10μM 농도에서 용량의존적으로 감소시켰다. 4. 결론적으로, 본 연구에서 얻어진 결과들은 새로운 거담제 및 점액용해제나 단백분해 효소제가 아닌 호흡기 류신의 생성/분비를 조절해 줄 수 있는 신개념의 약물을 개발함에 있어 극히 일부분이나마 단서를 제공하고 있다고 하루 수 있을 것이다. In the present study, we tried to investigate whether phorbol myristate acetate(PMA), trihydroxymethoxy-flavanone rutinoside(TFR) and cationic polypeptides significantly affect mucin release(secretion) from cultured hamster tracheal surface epithelial cells. Confluent primary hamster tracheal surface epithelial (HTSE) cells were metabolically radiolabeled with 3H-glucosamine for 24 hr and chased for 30 min in the presence of each agent to assess the effect on 3H-mucin release. The results were as follows : (1) Both PMA and TFR significantly increased mucin release from cultured HTSE cells ; (2) Cationic polypeptides including po1y-L-lysine(PLL, mw 7,500) and poly-L-arginine(PLA, mw 10,800) significantly inhibited mucin release from cultured HTSE cells, in a dose-dependent manner. This finding suggests us that PMA and TFR be further studied for the possible use as mild expectorants and cationic polypeptides might function as a regulator for hyper-secretion of mucus, both by direct acting on airway mucin-secreting cells, during the treatment of chronic airway diseases.