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Histamine에 의한 가토 대동맥 평활근의 수축기전
서용희,김세훈,장석종 충남대학교 의과대학 지역사회의학연구소 1989 충남의대잡지 Vol.16 No.1
The action mechanism of histamine on the contraction were investigated in the helical strip of the aorta of a rabbit. The aortic strip was immersed in phosphate buffered Tyrode’s solution which was equilibrated with 100% O_2 at 35℃ and isometric tension was measured. The contraction was induced by histamine, norepinephrine(NE) or 40mM K^+ in the normal(1mM Ca_2+) or Ca^2+-free Tyrode’s solution. The effects of cimetidine, diphenhydramine, phentolamine, and verapamil on the contraction were observed at the same time. The contraction induced by histamine began at the concentration of 1×10 exp (-6)M and reached the maximum at 3×10 exp (-4)M. The ED_50 was 5×10 exp (-6)M. The maximal contraction by histamine corresponded to 79.5±3.0% of that by NE. The tonicity of peak tension by histamine was progressively decreased above the concentration of ED_50 but under the ED_50 the tonicity was relatively maintained well. Furthermore the maximal contraction by histamine was observed about 1mM of calcium. The contraction by histamine was induced additionally even after contraction by 40 mM K^+. And the contraction was not affected by cimetidine, but was completely suppressed by diphenhydramine phentolamine and verapamil. In the Ca^2+-free Tyrode’s solution the histamine also induced the contraction and it was completely suppressed by verapamil. From the above results it i suggested that the contraction induced by histamine in the aorata of a rabbit may be due to facts that histamine acts the H_1-receptor and mobilize the Ca^2+ from intracellular and extracellular sources.
대학 신임교원의 수업컨설팅 만족도에 대한 의미 분석 - A대학교 사례에 대한 키워드 네트워크 분석을 중심으로-
서용희,이지영 한국문화융합학회 2023 문화와 융합 Vol.45 No.6
This study conducted a network analysis on the keywords presented in the class consulting satisfaction survey to investigate the perception of class consulting among newly appointed professor at University A. The primary findings, analyzed using Textome and UCINET, are as follows. First, the key terms associated with satisfaction in lecture consulting included lecture, lecture consulting, student, thoughts, class, assistance, and gratitude. Second, the CONCOR analysis revealed four clusters: 'willingness to change through lecture consulting,' 'importance of lecture consulting,' 'collaboration with consultants,' and 'recommendations for lecture consulting.' The newly appointed professor at University A perceived lecture consulting as a beneficial experience that contributed to the enhancement of their classes. They also suggested conducting more detailed consultations that take into account the instructor's characteristics and contextual factors. Based on the research findings, suggestions for follow-up studies were made. 이 연구는 A대학교 신임 교원의 수업컨설팅에 대한 인식을 살펴보기 위하여 수업컨설팅 만족도 설문에나타난 키워드에 대하여 네트워크 분석하였다. 텍스톰과 UCINET을 활용하여 분석한 주요 결과는 다음과 같다. 첫째, 강의컨설팅 만족도에 나타난 핵심 키워드는 강의, 강의컨설팅, 학생, 생각, 수업, 도움, 감사 등으로 나타났다. 둘째, CONCOR 분석을 통해 나타난 군집은 4개로, ‘강의컨설팅을 통한 변화 의지’, ‘강의컨설팅의 의의’, ‘컨설턴트와의 협력’, ‘강의컨설팅을 위한 제안’으로 명명하였다. A대학 신임교원은 강의컨설팅을 수업 개선에 도움이 되는 만족스러운 경험으로 인식하였으며, 교수자 특성과 상황적 맥락이 반영된 보다 정교한 컨설팅이 이루어지기를 기대하였다. 연구 결과를 토대로 후속 연구에 대하여 제언하였다.
대학 신임교원의 수업컨설팅 만족도에 대한 의미 분석 - A대학교 사례에 대한 키워드 네트워크 분석을 중심으로-
서용희,이지영 한국문화융합학회 2023 문화와 융합 Vol.45 No.8
이 연구는 A대학교 신임 교원의 수업컨설팅에 대한 인식을 살펴보기 위하여 수업컨설팅 만족도 설문에나타난 키워드에 대하여 네트워크 분석하였다. 텍스톰과 UCINET을 활용하여 분석한 주요 결과는 다음과 같다. 첫째, 강의컨설팅 만족도에 나타난 핵심 키워드는 강의, 강의컨설팅, 학생, 생각, 수업, 도움, 감사 등으로 나타났다. 둘째, CONCOR 분석을 통해 나타난 군집은 4개로, ‘강의컨설팅을 통한 변화 의지’, ‘강의컨설팅의 의의’, ‘컨설턴트와의 협력’, ‘강의컨설팅을 위한 제안’으로 명명하였다. A대학 신임교원은 강의컨설팅을 수업 개선에 도움이 되는 만족스러운 경험으로 인식하였으며, 교수자 특성과 상황적 맥락이 반영된 보다 정교한 컨설팅이 이루어지기를 기대하였다. 연구 결과를 토대로 후속 연구에 대하여 제언하였다. This study conducted a network analysis on the keywords presented in the class consulting satisfaction survey to investigate the perception of class consulting among newly appointed professor at University A. The primary findings, analyzed using Textome and UCINET, are as follows. First, the key terms associated with satisfaction in lecture consulting included lecture, lecture consulting, student, thoughts, class, assistance, and gratitude. Second, the CONCOR analysis revealed four clusters: 'willingness to change through lecture consulting,' 'importance of lecture consulting,' 'collaboration with consultants,' and 'recommendations for lecture consulting.' The newly appointed professor at University A perceived lecture consulting as a beneficial experience that contributed to the enhancement of their classes. They also suggested conducting more detailed consultations that take into account the instructor's characteristics and contextual factors. Based on the research findings, suggestions for follow-up studies were made.