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      • 뱀장어 근육내 Ryanodine Receptor의 기능 및 면역학적 성질

        석정호(Jeong Ho Seok),이연수Yeon Soo Lee),남장현(Jang Hyeon Nam),최숙정(Suk Jeong Choi),홍장희(Jang Hee Hong),이재흔(Jae Heun Lee) 대한약리학회 1995 대한약리학잡지 Vol.31 No.2

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.

        To investigate the functional and immunological properties of the Ca-release channel in the sarcoplasmic reticulum(SR) of the eel skeletal muscle, [<sup>3</sup>H]ryanodine binding, SDS gel electrophoresis, <sup>45</sup>Ca release studies, and immunoblot assay were carried out in the SR of the eel skeletal muscle. Maximal binding sites(Bmax) and K<sub>D</sub> values of [<sup>3</sup>H]ryanodine for Ca-release channel of the SR of the eel skeletal muscle were 19.44 ± 1.40 pmole/mg protein and 15.55 ± 1.69 nM, respectively. [<sup>3</sup>H]Ryanodine binding to RyR was increased by calcium and AMP. The SR of the eel skeletal muscle has two high molecular weight bands on the SDS PAGE. The mobility of upper band was more slower than the single band of the rabbit skeletal muscle, and that of the lower band was similar with the single band of canine cardiac muscle. Vesicular <sup>45</sup>Ca-release was activated by calcium. Ca-induced <sup>45</sup>Ca-release was significantly inhibited by MgCl<sub>2</sub>(2 mM), ruthenium red(10 μM) or tetracaine(1 mM), but not by high concentration of calcium itself. AMP-induced <sup>45</sup>Ca-release was slightly occurred only in the absence of calcium, it was not inhibited by MgCl<sub>2</sub> or ruthenium red. Caffeine also increased <sup>45</sup>Ca-release from the SR vesicles, but it was not affected by MgCl<sub>2</sub> or ruthenium red. Polyclonal Ab against rat skeletal muscle RyR is reacted with that of rabbit, but not reacted with that of the eel skeletal muscle. These results suggested that ryanodine receptor of the SR of the eel skeletal muscle is showing some similar properties with that of mammalian skeletal muscle, but might be an another isotype channel having two bands which is less sensitive to AMP, not cross-reacted with antisera against rat RyR, and not inhibited by high concentration of calcium.

      • KCI등재

        건설업 안전,보건관리자 선임기준 개선 방안에 관한 연구

        이연수 ( Yeon Soo Lee ),박용규 ( Yong Kyu Park ) 한국안전학회(구 한국산업안전학회) 2014 한국안전학회지 Vol.29 No.5

        The construction accidents which had been on the downward trend for the past decades have increased for five consecutive years since 2008. In order to let the increasing trend of construction accident slow growing or switching to decline, various efforts are required of all members in construction industry such as government, employers, construction engineers, safety managers, construction workers, etc. Although the criteria for appointment of safety managers in construction site introduced in 1982 have contributed to prevent construction accident as a forefront for the past 30 years, it has not been a remarkable improvement in the safety manager``s status and roles which have been required to change according to the changes of circumstances and environments. In associated with a newly introduced the criteria for appointment of health managers in construction site in the year 2015, the problems such as role, status, number of safety and health managers are needed to be considered comprehensively and improved widely. In this study, we propose several improvement plans which will improve the current criteria for appointment of safety and health managers in construction sites.

      • Jones 골절에서 유한요소해석을 이용한 골수강내 나사고정술과 양측피질골 나사고정술의 비교 - 예비 보고 -

        이연수 ( Yeon Soo Lee ),이준영 ( Jun Young Lee ),박상수 ( Sang Soo Park ),임채원 ( Chae Won Lim ),권은지 ( Eun Ji Kwon ) 한국정책학회 2014 The KAPS Vol.39 No.-

        Intramedullary screw fixation and bicortical screw fixation are widely used operation methods in the surgical treatment of Jones fractures. The purpose of this study is to evaluate of mechnical stability in two kind of Jones fracture. Using Mimics, three-dimensional models of the fifth metatarsal were reconstructed form computed tomography images of a 23-year-old Korean healthy male. Normal and osteoporotic bone models were made by changing bone density or thickness of cortical and cancellous bone. Two kinds of fixation techniques, i.e., intramedullary and bicortical screw fixation models, were simulated and muscles forces related to the fifth metatarsal base were applied. Maximum contact pressure difference were measured as 20,818 MPa, 12,155 MPa in normal bone, 23,371 MPa, 13,765 MPa in 85% cancellous osteoporotic bone, 24,310 MPa and 14,264 MPa in 75% cancellos osteoporotic model, 21,337 MPa, 20,971 MPa in .0.5 mm cortical osteoporotic bone, 26,322 MPa and 36,153 MPa in .1 mm cortical osteoporotic model, respectively for intramedullary screw fixation and bicortical screw fixation. Displacements on fracture interface were 0.208 mm, 0.126 mm in normal bone while 0.229 mm, 0.127 mm in 85% cancellos osteoporotic model, 0.241 mm, 0.127 mm in 75% cancellos osteoporotic model, 0.223 mm, 0.271 mm in .0.5 mm cortical osteoporotic model, 0.292 mm, 0.480 mm in .1 mm cortical osteoporotic model, respectively for intramedullary screw fixation and bicortical screw fixation. Bicortical screw fixation is superior in mechanical stability than intramedullary screw fixation for normal bone quality Jones fractures. For cortical osteoporotic bone Jones fractures, however, intramedullary screw fixation can give a better mechanical stability than bicortical screw fixation.

      • KCI등재

        Jones 골절에서 유한요소해석을 이용한 골수강내 나사고정술과 양측피질골 나사고정술의 비교 - 예비 보고 -

        이연수 ( Yeon Soo Lee ),이준영 ( Jun Young Lee ),박상수 ( Sang Soo Park ),임채원 ( Chae Won Lim ),권은지 ( Eun Ji Kwon ) 대한스포츠의학회 2014 대한스포츠의학회지 Vol.32 No.2

        Intramedullary screw fixation and bicortical screw fixation are widely used operation methods in the surgical treatment of Jones fractures. The purpose of this study is to evaluate of mechnical stability in two kind of Jones fracture. Using Mimics, three-dimensional models of the fifth metatarsal were reconstructed form computed tomography images of a 23-year-old Korean healthy male. Normal and osteoporotic bone models were made by changing bone density or thickness of cortical and cancellous bone. Two kinds of fixation techniques, i.e., intramedullary and bicortical screw fixation models, were simulated and muscles forces related to the fifth metatarsal base were applied. Maximum contact pressure difference were measured as 20,818 MPa, 12,155 MPa in normal bone, 23,371 MPa, 13,765 MPa in 85% cancellous osteoporotic bone, 24,310 MPa and 14,264 MPa in 75% cancellos osteoporotic model, 21,337 MPa, 20,971 MPa in .0.5 mm cortical osteoporotic bone, 26,322 MPa and 36,153 MPa in .1 mm cortical osteoporotic model, respectively for intramedullary screw fixation and bicortical screw fixation. Displacements on fracture interface were 0.208 mm, 0.126 mm in normal bone while 0.229 mm, 0.127 mm in 85% cancellos osteoporotic model, 0.241 mm, 0.127 mm in 75% cancellos osteoporotic model, 0.223 mm, 0.271 mm in .0.5 mm cortical osteoporotic model, 0.292 mm, 0.480 mm in .1 mm cortical osteoporotic model, respectively for intramedullary screw fixation and bicortical screw fixation. Bicortical screw fixation is superior in mechanical stability than intramedullary screw fixation for normal bone quality Jones fractures. For cortical osteoporotic bone Jones fractures, however, intramedullary screw fixation can give a better mechanical stability than bicortical screw fixation.

      • KCI등재

        사회과학분야 : 문예연감을 근거로 한 2000년 이후 무용 비평 현황 분석

        이연수 ( Yeon Soo Lee ),윤병주 ( Byoung Jou Yoon ),정주희 ( Ju Hee Jung ) 한국무용과학회 2013 한국무용과학회지 Vol.30 No.3

        이 연구는 한국 무용 비평계가 지니고 있는 문제점을 모색하기 위해 문예연감을 근거로 2000년부터 2012년까지 총 13년간 발행된 3종의 무용전문지(춤, 춤과 사람들, 몸)와 1종의 공연예술지(공연과 리뷰)의 무용비평을 조사하였다. 그 결과 첫째, 2001년 대비 2011년 무용공연건수는 57.7% 증가하였고, 비평건수도 10.4% 증가하였으나 무용공연건수 대비 비평건수는 13.2%로 오히려 감소하였다. 둘째, 비평문 게재율은 무용전문지「몸」이 가장 높고 다음으로「춤」, 「춤과 사람들」의 순이었으나 3종 월간지의 게재율은 큰 차이를 나타내지 않았으며 계간지인 「공연과 리뷰」는 전체의 11.2%을 차지했다. 「춤과 사람들」, 「몸」,「공연과 리뷰」는 한국무용이 다른 장르에 비해 게재율이 높았으며, 「춤」의 경우는 현대무용이 높은 게재율을 보였다. 셋째, 비평 대상의 장르별 게재수는 한국무용, 현대무용, 종합공연, 발레 순으로 나타났으며 그 외 기획공연, 국제교류 내한, 해외공연의 경우 비평이 거의 이루어지지 않고 있다. 넷째, 4종의 전문지에 비평문을 게재한 비평가는 총 85명이며 그 중 14명의 비평가가 전체 글의 80%를 게재했다. 또한 무용을 전공한 여성비평가의 활약이 주목할 만하다. 다섯째, 비평의 대상이 서울에 집중되어 지역 편중현상이 심각했다. 이상을 종합할 때, 더 많은 공연들이 비평의 대상이 될 수 있도록 비평가들의 활발한 활동이 지속적으로 이루어져야 하며, 비평가들은 기록자로서의 의무감을 가져야 한다. 그리고 비평 대상의 지역 불균형을 개선 할 수 있는 제도의 정비가 시급하다. This study did research for dance criticisms from three kinds of dance magazines(“Mom”, ”Dance” ,”Dance and People”) and an art magazine(“Performance and Review”) which have been published from thirteen consecutive years from 2000 to 2012 in order to analyze problems Korean dance criticism has had. As a result of the study, there are five outstanding issues in the Korean dance criticism. To begin with, there has been 57.7% increase in the frequencies of dance performances and 10.4% in their criticisms compared to the year 2001. However, the ratio of dance performances to dance criticisms has rather decreased by 13.2% in 2011 compared to 2001. Also, “Mom”, the dance journal, shows the highest published rates in dance criticism, followed by “Dance” and “Dance and People” which shows slight difference between two. A quarterly magazine called “Performance and Review” is the next accounting for 11.2%. Furthermore, “Mom”, “Dance and People”, and “Performance and Review” is more focused on the criticism of Korean traditional dance and “Dance” on that of modern dance than any other genres. In addition, among criticisms for 13 years, Korean traditional dance was the most published field followed by Modern Dance, Composite Performance, and Ballet in sequence. However, criticisms for the other fields such as Planning Performance, International Exchange Performance, and Overseas Performance are not well reviewed and analyzed. Next, critics publishing criticisms in four magazines specialized in dance were 85 total. The top 10 critics among them have published criticized articles which accounts for 70% out of the whole criticisms. In particular, women critics majored in dance outstandingly participated in the publishing criticisms. Lastly, most subjects of the criticisms are mostly concentrated on the region “Seoul” and the phenomenon of biased area is concerned. In conclusion, critic should do their criticism actively and consistently, so that lots of performances can be reviewed and analyzed well by the professional critics well. They should have a sense of responsibility as recorders and there is in need of system reform of keeping critics from going only to the specific region.

      • 표준어와 방언간의 감정변화에 대한 음성적 연구

        이연수 ( Yeon-soo Lee ),박용범 ( Young-beom Park ) 한국정보처리학회 2009 한국정보처리학회 학술대회논문집 Vol.16 No.1

        사람의 감정 변화에는 크게 기쁨, 슬픔, 흥분, 보통 4가지 상태로 말할 수 있다. 이 4가지 상태에서 기쁨과 슬픔, 흥분과 기쁨 상태가 음성학적으로 비슷한 형태를 가지고 있다. 흥분과 기쁨의 상태에서 방언의 노말 상태가 표준어의 기쁨, 흥분상태와 비슷한 특징을 가지고 있다. 이와 같은 표준어와 방언간의 특징 때문에 흥분 상태를 인지하는 경우 방언의 보통상태가 흥분상태로 잘못 인식되는 경우가 발생 한다. 본 논문에서는 이와 같은 문제점이 발생하는 음성학적인 차이를 구분 하고자 한다. 이들을 비교하기 위해 Pitch, Formant와 Formant RMS error 3가지 요소를 통하여 표준어와 방언간의 흥분 상태를 연구 하였다.

      • KCI등재

        청소년의 성별 및 학교급에 따른 용서행동유형의 결정요인분석

        이연수(Yeon Soo Lee),김청송(Chung Song Kim),송민경(Min Kyoung Song) 한국심리학회 2013 한국심리학회지 건강 Vol.18 No.1

        본 연구에서는 청소년의 용서하기와 용서받기를 결정하는 요인이 무엇인가를 검증하기 위하여 경기지역에 거주하는 중ㆍ고등학생 419명을 대상으로 의사결정나무분석(decision tree analysis)을 활용하여 분석하였다. 용서를 할 수도 있고 받을 수도 있음을 감안하여 4가지 유형으로 분류하여 용서하기와 용서받기를 분석한 결과 중학교와 고등학교, 성차에 의한 용서행동의 차이가 있는 것으로 나타났다. 구체적으로 중학생의 용서하기와 용서받기의 여부를 가장 잘 분류해주는 변인은 호의성(agreeableness)이었다. 중학생들의 경우 호의성이 높은데 피해경험이 적을 경우, 인지적-정서적 공감의 정도가 높으면 자기는 용서하지 않으면서 남에게 용서받는 경향이 뚜렷하게 증가하였다. 고등학생의 경우 용서행동을 가장 잘 분류해주는 변인은 성별이었다. 또한 피해경험이 많은 여학생들이 자존감이 낮을 경우 자신은 용서하지 않으면서 남에게는 용서받을 가능성이 매우 높은 반면, 남자이면서 정서적인 안정성이 부족하고, 분노도 억제하지 못하며, 타인에게 의존적일 경우 정서통제의 역기능이 큰 것으로 나타났다. 이러한 분석결과는 용서의 발달양상을 확인한 것이며, 성차에 의한 용서행동의 양상과 선택은 전략적 적응양식으로서 달라질 수 있는 점을 시사하고 있다. 이와 관련된 의미와 피해상황의 다양성, 가정변인이나 개인의 기타 특성, 특히 청소년 개인의 태도나 대처기제 등의 역할에 대한 관점에서 추후연구의 방향을 논의하였다. The aim of this study is to propose the conceptual framework of the determinants of forgiving-experiences vs. the forgived-experiences of adolescents, and examine the differences of determinants of forgiveness experiences by gender and school grades. In this study, the subjects were 419 adolescents who participated in youth activities in youth centers in Kyonggi area. This study performed the data mining decision tree method in order to compare the forgiveness experience determinants of adolescents, controlling for gender and school grades. The analysis outcomes indicated that there were big differences in the forgiveness experience by school grades and gender. In addition, it could be said that forgiveness actions and experiences might be the long-term adaptations and coping skills, and there were differences in adaptive strategies between male vs. female high school students. Limitations and suggestions for the future study were discussed.

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