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폴리메타크릴레이트를 이용한 케토로락 트로메타민 서방성 정제의 제조와 용출평가
전일순,윤재남,이은미,박용근,김동우,이계원,지웅길 충남대학교 약학대학 의약품개발연구소 2003 藥學論文集 Vol.18 No.-
To improve administration of ketolorac tromethamine, we prepared matrix tablets with Eudragit (RS 100 or 30D), diluents (avicel:lactose=l:l or Ca phosphate) and Mg stearate using wet-granulation method. Sustained release matrix tablets using Eudragit® RS 100 7 and 10% decreased dissolution rate at pH 1.2 and 68 Ca. phosphate as diluents showed more decreased dissolution rate than that of avicel:lactose (1:l). Sustained release matrix tablets using Eudragit® RS 30D also showed very effective sustained release of KT.
분무건조법을 이용한 방출 제어형 케토로락 고형지질마이크로스피어의 제제설계
윤재남,이은미,김동우,박용근,전일순,이계원,지웅길 충남대학교 약학대학 의약품개발연구소 2003 藥學論文集 Vol.18 No.-
Ketorolac (KA) and ketorolac tromethamine (KT) is the nonsteroidal anti-inflammatory drugs (NSAIDs) and has been used widely. To improve its frequent administration by control of drug release. we prepared SLM of KA and KT using Mirj 45 and 52 as surfactants and tripalmitin and tristearin as lipids by spry drying method SLM, as a disperse system for injection, were evaluated by measurement of particle sizes. SEM and drug release pattern As a result. spherical SLM were prepared and their particle size were in the range of 25-125 μm, which were dependant on the types and contents of lipid and sururfactants. Their dissolution rate were decreased as increasing lipid contents.
Jeon, Ung Bae,Lee, Jun Woo,Choo, Ki Seok,Kim, Chang Won,Kim, Suk,Lee, Tae Hong,Jeong, Yeon Joo,Kang, Dae Hwan WJG Press 2009 WORLD JOURNAL OF GASTROENTEROLOGY Vol.15 No.46
<P>To evaluate the utility of assessing iodized oil uptake with cone-beam computed tomography (CT) in transarterial chemoembolization (TACE) for small hepatocellular carcinoma (HCC).</P>
Ung Jeon,Sang-Ho Park 대한임상노인의학회 2020 대한임상노인의학회지 Vol.21 No.2
Background: The objective of this study is to determine if associations among the coronary artery calcium (CAC) score (CACS), left ventricular mass index (LVMI), and septal E/E’ ratio. Methods: We investigated 1230 consecutive subjects with a normal left ventricular ejection fraction who underwent multidetector computed tomography and echocardiography. The CACS was measured using the Agatstone method. Participants were classified as follows, in a two-fold manner: first, negative CAC (CACS=0) group and positive CAC (CACS >0) group; second, no (CACS=0), mild (1-100), moderate (101-400), and severe CAC deposits (>400). Results: In multivariate binary logistic regression adjusted for covariates, the LVMI and septal E/E’ ratio were independent predictors of positive CAC deposits (CACS >0) and severe CACS (CACS >400). Regarding the “composite score” based on a septal E/E’ ratio ≥15 and LVMI ≥90 g/m2, a higher score was associated with a greater CACS. Per the severity criteria of the CACS, severe CAC deposits were significantly associated with “composite score 2” group and the odds ratios in each group were 1.790, 2.126, and 5.705, respectively. Conclusion: In our study, the LVMI and septal E/E’ ratio were associated with the CACS, independent of classic risk factors in patients with chest pain or without symptoms with a normal left ventricular ejection fraction.
Jeon, Ung Bae,Chung, Jin Wook,Jae, Hwan Jun,Kim, Hyo-Cheol,Kim, Sang Joon,Ha, Jongwon,Park, Jae Hyung American Roentgen Ray Society, etc.] 2010 American Journal of Roentgenology Vol.195 No.3
<P>OBJECTIVE: The purpose of this study was to use CT venography to evaluate long-term patency and changes in the iliac veins after stent placement for acute iliofemoral vein thrombosis due to May-Thurner syndrome. MATERIALS AND METHODS: From December 1999 to July 2007, 30 patients (22 women, eight men; age range, 30-78 years; mean, 56.7 years) with acute iliofemoral vein thrombosis due to May-Thurner syndrome diagnosed with CT venography were treated with catheter-directed thrombolysis and stent placement. The patients underwent follow-up CT venography at variable intervals according to clinician discretion. The primary objective was to determine the primary patency of the stented segment. The secondary objective was to investigate the potential role of CT venography by analyzing the morphologic features and interval changes in stented iliac veins. Cumulative primary and secondary stent patency rates were calculated by Kaplan-Meier estimation. RESULTS: Four stent occlusions and one stent collapse were found at the first follow-up CT venographic examination within 1 year (mean duration, 129.3 days) after treatment. One stent occlusion and one stent collapse were managed successfully. The primary and secondary patency rates were 83.3% and 90% 1 and 5 years after treatment. The morphologic features of the common iliac vein did not affect stent patency or expanded stent diameter. During sequential CT venographic follow-up, no new in-stent stenosis or occlusion was found. CONCLUSION: Iliac stents placed for May-Thurner syndrome with acute thrombosis had excellent long-term patency. Restenosis or occlusion occurred early, and initial luminal patency was well maintained during long-term follow-up.</P>
전제응 ( Jee Ung Jeon ) 한국작문학회 2005 작문연구 Vol.0 No.1
본고의 목적은 쓰기에 대한 관점에 따른 동기의 의미를 탐색하고 ‘쓰기동기’의 개념과 본질적 속성 및 교육적 의의를 고찰하는 데에 있다. 쓰기에 대한 관점에 따른 동기의 의미를 탐색한 결과, 형식적 관점은 보상과 유인가를, 인지적 관점은 필자 개인 내의 동기 요인을, 사회인지적 관점은 상호 작용과 사회·문화적 환경을 강조함을 확인하였다. 본고에서는 쓰기 동기를 ‘필자의 쓰기 행위를 촉발하고 유지하는 일정한 방향성을 지닌 필자의 심리 상태 내지는 심리적 요인’이라고 조작적으로 정의하였다. 또 쓰기 동기의 본질적 속성은 에너지와 방향이라고 보았으며, 두 속성을 각각의 축으로 설정하여 에너지와 방향의 결합 유형을 찾아보았다. 그리고 쓰기 동기의 변화를 이 결합 유형의 영역 간 이동으로 설명하였다. 끝으로 쓰기 동기의 교육적 의의를 쓰기의 개념과 본질적 속성 차원에서 살펴보았다. 그리고 앞으로 쓰기 동기에 대한 다양한 논의의 확대가 필요함을 제안하였다. The purpose of this study is to survey the meaning of writing motivation by perspective on writing, the definition and the significance of writing motivation. As a result of the survey, formalism view of writing is emphasis on the rewards and the incentives, cognitivism view is emphasis on the writer`s cognition, socialism view is emphasis on interaction and social·cultural environments in writing. The definition of writing motivation is that writer`s psychological status or factor is due to start, to sustain, to direct a series of writing acts. And the attribution of writing motivation are energy and direction. Also the types of combination among energy and direction are very various. I explained the change of writing motivation through that. Finally, I suggested that the definition and attribution of writing motivation are very important to the education of writing and the processes of writing. After now we need to study the field of writing motivation in order to write a text voluntarily in school and home.
전은순,이영훈,박충웅,조인호 全北大學校 基礎科學硏究所 1988 基礎科學 Vol.11 No.1
E. coli rnpB gene의 발현에 영향을 미치는 M1 RNA structural gene의 부분을 조사하였다. P-1 promoter 에서 합성되는 RNA의 5' 부분이 이루는 이차구조를 분석한 결과 +1 에서 부터 +72 까지에 존재하는 hairpin loop 구조가 rnpB gene의 발현에 중요한 역할을 하는 것으로 밝혀졌다.