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아조벤젠 분자(Disperse Red 1)를 포함한 측쇄형 고분자에서 광유도 복굴절의 실시간적 조사
신희득,주원제,오차환,송석호,김필수,한양규 한양대학교 자연과학연구소 2001 自然科學論文集 Vol.20 No.-
아조벤젠 그룹을 포함한 측쇄형 고분자 필름(PDR1)에서 광 유도된 이방성을 실시간적으로 조사하였다. 수평, 수직한 흡수율의 변화를 광 유도된 복굴절의 기록, 감쇠, 소거, 완화 과정에 따라 측정하여, 매질 내의 아조벤젠 분자의 정렬상태와 복굴절과의 관계를 광 이성화과정으로 설명하였다. 또한 기록빔의 세기를 따른 수직, 수평한 흡수율의 변화와 유도된 복굴절의 관계를 조사하였다. The photo-induced anisotropy for a polymeric film(PDR1) containing azobenzene group as side-chain was investigated dynamically. The change of absrobances with parallel and perpendicular components was measured in recording, decaying, erasing and relaxation processes of photo-induced birefringence, so the relation between the alignment of azobenzene groups and the birefringence was well explained according to the photo-isomerization. Also, the dependence of the photo-induced birefringence on intensity of recording beam was investigated with changes of both absorbance and birefringence.
Yu, Ho Song,Ham, Won Sik,Rha, Koon Ho,Han, Sang Won,Choi, Young Deuk,Han, Woong Kyu,Chang, Won Sik Yonsei University College of Medicine 2011 Yonsei medical journal Vol.52 No.2
<P><B>Purpose</B></P><P>To assess the clinical utility of laparoendoscopic single-site surgery (LESS) nephrectomy using a modified umbilical incision and home-made transumbilical port in cases requiring extirpative surgery.</P><P><B>Materials and Methods</B></P><P>Initial consecutive 18 patients underwent LESS nephrectomies that were performed by a single surgeon. A home-made port was placed through a modified umbilical incision, the length of which had preoperatively been determined. The laparoscopic transperitoneal nephrectomy procedures were performed with various combinations of standard and articulating laparoscopic instruments. Patient characteristics and perioperative outcomes, including pathologic results, were recorded prospectively.</P><P><B>Results</B></P><P>All 18 extirpative surgeries, including simple nephrectomy (eight cases), radical nephrectomy (nine cases), and nephroureterectomy (one case), were completed successfully. The median operation time was 167 min (range 82-220), and the median blood loss was 250 mL (range 0-1050). All specimens were extracted intact through a modified umbilical incision (median length 2.5 cm, range 1.5-6.0). Final pathological analysis revealed a nonfunctioning kidney in five cases, a dysplastic kidney in three cases, a mixed epithelial and stromal tumor in one case, renal cell carcinoma in eight cases (T1: five cases, T3: three cases), and Ta ureter transitional cell carcinoma in one case.</P><P><B>Conclusion</B></P><P>LESS nephrectomy using a home-made port and modified umbilical incision is feasible with both minimal incision and cost-effective. Our technique may be more useful for extirpative procedures in which a specimen needs to be removed intact, because incision length can be freely adjusted. Prospective comparisons are warranted to more clearly elucidate the utility of this surgical technique.</P>
Exploration for the Playfulness of Horse-Riding -Focused on Roger Caillois`s theory of Play-
( Deuk Mo Knag ),( Jong Kun Song ),( Sung Shin ),( Sung Hae Yang ),( Yu Won Kang ) 한국체육학회 2015 국제스포츠과학 학술대회 Vol.2015 No.1
Purpose: This study aimed to explain the ``fun`` factor inherent in horse-riding based on Roger Caillois``s theory of play and to explain the importance of enjoyment of the horse-riding culture based on play. Method: To attain the goal of this study, it employed both an investigation into previous studies and the qualitative research in forms of in-depth interview and participant observation with a focus on Roger Caillois``s theory of play. To shed light on an aspect of the culture of currently enjoying the horse-riding sport, this study selected a total of 22 persons composed of 12 students belonging to the horse-riding club in ``S`` University located in Seoul, and 10 members and persons concerned of the ``T`` horse-riding club located in Ansan, Gyeonggi Province, as this research subjects and participants. Data were collected from them through participant observation and in-depth interview over the period between Dec 28, 2014 and Apr 30, 2015. The method of content analysis was used to analyze the collected data, which were categorized according to four classification systems of play presented by Roger Caillois. Result: Roger Caillois divided play into Agon, Mimicry, Alea, Ilix on the basis of presence or absence of the rule and the volition. In the classification of these four types of play, the activity to which the participant in this study gave the highest meaning was Agon, namely, concentration on the sporting play that they wanted to have their excellence recognized through relative competition. This is based on the lesson curriculum of the horse-riding club, which is not different from our sports culture focusing the orientation of all physical activities on the maxization of competitive performance. On the one hand, it was found that another ``fun`` factor was Ilix, namely, getting away from the pattern of structured stable thinking in a daily life and feeling the momentary thrill. This is said to be the enjoyment that the advanced persons of high horse-riding skills largely comes to experience, as the enjoyment that those enjoying the horse-riding sport feel in jumping over the high hurdle and in experiencing the canter or the extended full-pace gallop. Finally, the research participants were aspiring for the ``Mimicry`` factor of horse-riding. Mimicry that means that horse riders get involved in the scene of play and get away from their daily selves is interpreted as the result of reflecting contemporary people``s psychological desire to ride on a horse back and return to the primitive state. Conclusion: The results of this study showed that most of the research participants enjoyed the playfulness concentrated in the ``Agon`` factor of horse-riding. And it was found that the horse riders could at length experience the ``Ilix`` factor when they became the advanced rider through this series of horse-riding process. But it is thought that the authenticity of enjoying horse-riding consists in ``Mimicry`` in the horse-riding sport of sharing sympathy with the living organism. Therefore, it can be said that the program for implementing ``Mimicry``, namely, a new approach such as exploration, trekking, travelling and the like of being with the horse outdoors is required for the purpose of popular diffusion of horse-riding.
이송득,강신정,이종필,박상용,정영자,성락선,고재철,원도희 식품의약품안전청 1997 식품의약품안전청 연보 Vol.1 No.-
모려71루는 Osfreafigas말Itunberg의 껄질로 대한약전, 일본약국방 및 신농본초경의 상품으로 수재되어 았으며,진경안신 (뜰론촌혀), 평갈잠얄(꾸쁠탄), 수렴고삽(찬찮르ie), 연견산결 (3k몰곰) 등의 약리작용을 나타내며, 쬐근에는 칼슘보급제로 널리 사용피고 있다. 따라서 모려가루의 칼슘함쟌을 0.051w-EDTA로 적정하여 측정한 결과 칼슘으로써 11.I~34.6%였고, 개별 중금속 둥의 오염을 파악하고자 As, Cd, Cu, Mg, Mn, Pb, Sb, Sn, Zn둥 금속함량을 ICPS로 분석한 결자 As, Cd, Cu, Pb, Sb, Sn, Zn 은 검출되지 않았고, Mg은 0.es~e.707ppm을, Mn은 0.OO3~0.296ppm을 함유하고 있는 겄으로 나타났다. 또한 모려가루의 품질을 평가하고자 대한약전에 따라 화인시칩 , 순도신험, 건조감량 등을 실시하였으며, 그 결과 순도시험항의 산불용물의 경우 기준치에서 상당히 벗어났으며, 칼슘함량이 갇소할수록 산불용물은 증가하는 경향을 보였으므로 원료의 전처리과정에 대한 규제가 필요하며 , 표준 모려가루의 확보가 시급하며 표준 모려가루애 따라 전반적으로 규격기준이 재설정되어야 할 것으로 사료된다. According to the monograph of powdered Oyster shell in the Korea Pharmacopoeia, we carried out the quality evaluation in 13 samples. All of them were passed on identification except for color change. The impurity test on acid insoluble residues was difficult to determine because of the vague test method. So we established new test method which decreases the sample size and modifies the procedure. Contents( % ) of Calcium in powdered Oyster shell were from 11.1 to 34.6% with 0.05M-EDTA titration. And the levels of trace metals were determinated using inductively coupled plasma spectrometer. The metals of As, Cd, Cu, Pb, Sb, Sn and Zn were not detected but the levels of Mg were from 0.05 to 0.707ppm and Mn were from O.003 to 0.296ppm.
황득수 ( Deuk Soo Hwang ),윤승호 ( Seung Ho Yune ),권순태 ( Soon Tae Kwon ),이원석 ( Won Sok Lee ),송재기 ( Jae Gie Song ) 대한고관절학회 1997 Hip and Pelvis Vol.9 No.1
From March 1995 to October 1996, We performed arthroscopy of the hips in symptomatic nine patients under the impression of acetabular labrum tear. Preoperatively, the acetabular labrum tear was diagnosed in thirteen patients with careful physical examinations and MR arthrography and four patients with acetabular dysplasia were excluded from the study. Among nine patients, eight cases were men and seven cases were the fifth and sixth decade. Three cases were associated with trauma history. Superoanterior labrum tear was most common in arthroscopic findings(44.4%). The MR Arthrogram showed 88.9% sensitivity and 77.8% accuracy compared with arthroscopic findings for the acetabular labrum tears. The stage ]@l A was more common than other types(60.0%). All patients except two were improved by the diagnosis and treatment of an acetabular labrum tear(77.8%). Six patients were treated with arthroscopic debridement and open resection and three patients treated arthroscopically. So, we encouraged arthroscopy of the hip to confirm the diagnosis and treatment of the acetabular labrum tear.