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      • 餘暇社會化 參與에 寄與하는 要因體系

        千英一,具本行 중앙대학교 스포츠과학연구소 2000 體育硏究 Vol.- No.13

        Ther are childhood and the period of adult on leisure socialization participation, and various factors such a family, school, attitude have an influence on it. The purpose of this research is to establish education of leisure socialization participation and valuable leisure outlook by organizing these factors. 1. Leisure socialization participation is divided into life habit, basic knowledge, attitude, value, behavioral psychology of childhood and the period of adult. 2. Leisure activity is experienced through childhood, adolescence, and a period of adult; however, leisure behavior in childhood is not a decisive factor of leisure behavior in the period of adult. 3. Family and school are the best superintendents, and they have an interactive effect. Many following researches are required. 4. Factors of perceived leisure aptitude reflect on differences quantitatively and qualitatively according to development stage, and these changes are represented to perceived ability limits of individuals. 5. When attitude to leisure is measured at the same level of intention, it can be a good predictive material about the intention of leisure activity participation.

      • BC₃H1 혈관평활근세포의 증식 및 분화과정에 있어서 Polyamine 대사의 역할에 관한 연구

        최상현,문창택,민본홍,전보권,천연숙 고려대학교 의과대학 1992 고려대 의대 잡지 Vol.29 No.3

        The influences of spermine (SM) and DFMO. an irreversible ODC-inhibitor, on the polyamine metabolism, CK-activity, [^(3)H]-thymidine DNA synthesis, and isoactin mRNA expression of BC_(3)H1 in culture were studied, with the references of phosphodiesterase(PDE)-inhibitors including isobutyl-methylxanthine (IBMX) and KR30075. BC_(3)Hl cells cultured in 10% fetal bovine serum (FBS)-DMEM for 24 hrs (the first : pre-drug phase) were cultivated in 10% FBS-DMEM added with one of the test drugs for further 96 hrs(the second proliferation phase), and then continue to grow in 2% FBS-DMEM for 48 hrs (the third : differentiation phase). The putrescine content of BC_(3)Hl harvested after the first phase was relatively higher in comparison with those of the other phases and was gradually decreased through the full phases of culture, and the spermine content was little changed. The spermidine (SD) content was. unlike other polyamines, increased by 26.5% at the end of the second phase, but that SD increase was moderately attenuated by PDE-inhibitors, particularly KR30075, and furthermore. the SD content of BC_(3)Hl cultured in the presence of DFMO, unlike other polyamines. showed the marked and gradual decrease throughout the full phases of culture. The [^(3)H]-thymidine DNA synthesis during the third : differentiation phase was not affected by IBMX and slightly inhibited by KR30075, but was significantly inhibited by SM plus DFMO or each of them. And the creatine kinase (CK) activity gradually increased in advancing with culture duration was not changed by PDE-inhibitors. but both SM and DFMO significantly enhanced the increase of CK activity. The synthesis of BC_(3)Hl α-actin and β-/ γ-actin mRNAs was significantly enhaced by DFMO, and the DFMO-induced enhancement was dramatically inhibited by SM. And PDE-inhibitors and SM little affected the synthesis of α-actin mRNA, but PDE-inhibitors attenuated the synthesis of β-/ γ-mRNAs, especially in the second phase. These results suggest that polyamines have a pivotal role in the proliferation and differentiation of BC_(3)Hl cells, that the enhancement induced by DFMO of expression of VSM isoactin gene seems to be an attractive subject to be studied in future, and that PDE-inhibitors may inhibit the synthesis of VSM β-/ γ-actin mRNAs.

      • How To Prepare For Retirement? Optimal Saving, Labor Supply, and Investment Strategy

        ( Bon Chun Koo ),( Jisoo Koo ),( Hana Song ),( Hyo Bin Yoon ),( Min Seok Kim ) 한국금융공학회 2012 한국금융공학회 학술발표회 Vol.2012 No.2

        In this paper we study consumption-labor supply decision of an agent who prepares for retirement at a known time in the future. The agent is assumed to have a preference which is represented by a von Neumann-Morgenstern utility function in which the felicity function has constant relative risk aversion over the composite of consumption and leisure. The composite is obtained by a Cobb-Douglas function. A general problem has been studied by Bodie, Detemple, Ortuba, and Walter (2004). We contribute to the literature by deriving Slutsky equations and conduct comparative statics. In particular, we show that the wealth effect can exhibit interesting property depending upon the time until retirement, as the interest rate increases.

      • How To Prepare For Retirement? Optimal Saving, Labor Supply, and Investment Strategy

        Bon-chun Koo,Min-seok Kim,Jisoo Koo,Hana Song,Hyo-bin Yoon,Hyeng Keun Koo 한국재무학회 2012 한국재무학회 학술대회 Vol.2012 No.05

        In this paper we study consumption-labor supply decision of an agent who prepares for retirement at a known time in the future. The agent is assumed to have a preference which is represented by a von Neumann-Morgenstern utility function in which the felicity function has constant relative risk aversion over the composite of consumption and leisure. The composite is obtained by a Cobb-Douglas function. A general problem has been studied by Bodie, Detemple, Otruba, and Walter (2004). We contribute to the literature by deriving Slutsky equations and conduct comparative statics. In particular, we show that the wealth e ect can exhibit interesting property depending upon the time until retirement, as the interest rate increases.

      • KCI등재
      • KCI등재
      • 난소관련병변에서 복강체액내의 cytokine농도

        전상식,조영래,구태본,서장수 경북대학교 병원 2001 경북대학교병원의학연구소논문집 Vol.5 No.1

        목적:최근에 난소암을 비롯한 종양성 질환과 자궁내막증등의 부인과 내분비 질환에서 면역반응의 활성에 관여하는 cytokine에 대한 연구가 많이 되고 있어서 저자들은 난소관련병변들의 병인분석과 감별진단의 가능성 및 치료적 응용에 있어서 복강체내액에 cytokine의 이용가능성을 조사하여 보았다. 연구방법:조직학적으로 진단이된 양성난소낭선종 11예, 성숙낭성기형종 10예, 자궁내막증 23예, 그리고 난소암 11예를 대상으로 하여 복강내 체액을 채취하여 INF-γ, IL-1β, IL-5,IL-6, IL-10 및 TNF-α의 농도를 측정하였으며 통계처리는 일원분산분석법과 Scheffe 법 그리고 Mann-Whitney 법으로 하였다. 결과:난소암 환자에서 IL-6와 IL-10 의 농도는 다른 양성병변들에 비해서 의미있게 증가하였으며(p<0.05) 자궁내막증 환자에서 대조군에 비하여 IL-6와 IL-10 의 농도가 높았으며 특히 자궁내막증 병기Ⅲ과 Ⅳ인 경우에서 병기Ⅰ과 Ⅱ에 비교하여 IL-6와 IL-10 의 농도가 의미있게 증가되었다. 결론:복수내의 cytokine환경은 난소관련병변의 병인과 질병의 진행과정과 관계가 있을 것으로 사료되며 복강내체액의 cytokine 농도 측정은 난소암과 양성병변과의 감별진단 및 자궁내막증 환자으 중증도의 진단과 병인규명에 도움을 줄 수 있을것으로 생각된다. Objective: Recent studies have shown that mlitifunctional cytokines have been implicatrd in the pathogenesis and pathophysiology of various ovarian cancer and endometriosis.This study was performed to determine the possibility of the clinical usefulness of peritoneal cytokines in patients with various ovarian lesions. Methods: Peritoneal fluid was obtained from patients with begin cystiv adenoma(n=11), being cystic teratoma(n=10), endometriosis(n=23), malignant ovarian tumor(n=11), and women without evidence of any pathology(n=7)at the time of laparotomy or operative laparoscopic surgery and were examined for the levels of INF-γ, IL-1β, IL-5,IL-6, IL-10 and TNF-α using enzyme-linked immunosorbent assay(ELISA). Statistical analysis was performed with the one way ANOVA, Scheffe test or Mann-Whitney test. Results: the mean concentration of IL-6 and IL-10 was significantly higher in pertioneal fluid specimens with ovarian cancer than other bengin pathology (p<0.05).Both IL-6 and IL-10 levels in pertioneal fluid specimens with endometriosis tended to be higher than normal, and of IL-6 and IL-10 were significantly higher in pertioneal fluid of women with severe endometriosis compaired to women with mild endometriosis (p<0.05). Conclusion: this study supports the concept that regional immunologic dysfunction might be involved in the disease process of various ovarian pathology such as ovarian cancer and endometriosis.A larger study would help in evaluating the potential use of local peritoneal cytolines ln differentiating ovarian cancer from other benign pathology, and demonstrating any association between concentrations of cytokines and severity of endometriosis.

      • KCI등재

        프로야구단의 위기커뮤니케이션 전략 분석: 메시지 소구 및 기사제시 방식을 중심으로

        구본욱 ( Bon-uk Koo ),원동천 ( Dong-chun Won ),임충훈 ( Choong Hoon Lim ) 한국스포츠정책과학원(구 한국스포츠개발원) 2017 체육과학연구 Vol.28 No.3

        [목적] 본 연구의 목적은 구단이 위기상황에 놓였을 때 사과 기사를 제공함에 있어 메시지 소구 및 기사제시 방식에 따른 위기 커뮤니케이션 효과를 알아보는 것이다. 구체적으로 프로야구단이 사과 기사를 전달함에 있어 이성적 중심의 사과 기사보다 감성적 중심의 사과 기사가 공중의 메시지 수용도에 긍정적인 영향을 미칠 것으로 예상하였으며 사과 기사에 사진을 포함하는 것이 그렇지 않을 때보다 공중의 메시지 수용도에 긍정적으로 영향을 미칠 것으로 예상하였다. [방법] 실제로 존재하는 프로야구단을 선정하고 승부조작이라는 위기상황을 가정하여 해당 구단이 사과 기사를 노출할 때, 사과 기사의 메시지 소구 방식(이성적 사과 기사 vs. 감성적 사과 기사)과 기사제시 방식(기사 vs. 기사+사진)에 따른 요인 설계 실험연구를 실시하였다. 실험은 340명을 대상으로 설문조사를 실시하였고 최종적으로 325부를 활용하였다. 자료 분석을 위하여 SPSS 23.0을 사용하였으며 기술통계분석(Descriptive Analysis), 확인적 요인분석(Confirmatory Factor Analysis), 신뢰도 분석(Reliability Analysis), t-검정(Independent t-test), 이원공분산분석(Two-way ANCOVA)을 실시하였다. [결과] 본 연구의 결과는 다음과 같다. 첫째, 프로야구단이 전달한 사과 기사에 대해 이성적 소구 방식의 사과 기사보다 감성적 소구 방식의 사과 기사가 공중의 메시지 수용도에 긍정적인 영향을 미치는 것으로 나타났다. 둘째, 프로야구단이 사과기사를 전달할 때 사진을 포함하는 것이 그렇지 않은 것보다 공중의 메시지 수용도 측면에 긍정적인 영향을 미친다는 것을 확인하였다. [Purpose] The purpose of this research was to investigate the influence of professional baseball teams' message appeal type (emotional vs. rational) and message delivery method (article with photo vs. article without photo) on consumers' acceptance of the message. The hypotheses were two folds. First, compared with a rational apology article, a professional team's emotional apology article affected consumers' acceptance more positively. Second, a professional team's apology article with a photo attached influenced consumers' acceptance more positively than one without a photo. [Methods] To achieve the purpose of this study, the authors utilized a 2 (Message Appeal Type: emotional vs. rational) × 2 (Message Delivery Method: article with photo vs. article without photo) factorial experiment. An existing baseball team was selected and was assumed to have been involved in a game fixing situation. Out of 340 participants, 325 were used in the final analysis. Two-way ANCOVA of SPSS 23.0 was conducted to analyze the data. [Results] Findings revealed when a professional baseball team issued an emotional apology article, consumers were more positive about it than a rational one. Also when a professional team delivered an article with a photo, consumers accepted the article more positively than the one without a photo.

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