생쥐와 인간배아의 완만동결-급속융해 후 생존률과 배아발생에 미치는 Ethylene Glycol (EG)과 1,2-Propanediol (PROH)의 영향

김태형,차수경,이동률,한지은,이우식,윤태기,차광렬,정형민,Kim, Tae-Hyung,Cha, Soo-Kyung,Lee, Dong-Ryul,Han, Jee-Eun,Lee, Woo-Sik,Yoon, Tai-Ki,Cha, Kwang-Yul,Chung, Hyung-Min 대한생식의학회 2004 Clinical and Experimental Reproductive Medicine Vol.31 No.1

Objective: The aim of this study were to compare the effects of EG and PROH on cryopreservation of mouse and human embryos, and to find the optimal protocol for embryo freezing. Methods: Human embryos derived from fertilized eggs showing 3 pronuclei (PN) and mouse embryos were divided into two groups respectively: dehydrated with 1.5 M EG + 0.2 M sucrose or 1.5 M PROH + 0.2 M sucrose using the slow freezing method. Moreover mouse embryos were controlled the exposure time of cryoprotectant during dehydration or rehydration steps. Results: The survival rates of human embryos were 79.2% (84/106) in EG group and 77.9% (88/113) in PROH group. In mouse embryos, the survival and development rates up to blastocyst were 70.6% (245/347), 44.1% (123/279) in EG group and 62.1% (198/319), 45.1% (123/279) in PROH group, respectively. However, in EG group, partially damaged embryos after thawing were decreased compared to PROH group. In combination group, when the exposure time during dehydration and rehydration were reduced, the survival and embryonic developments were increased slightly, but not significant. Conclusion: Cryopreservation of mouse and human embryos at cleavage stage by using EG or PROH exhibited no statistical difference in the survival rate and/or developmental rate to blastocyst. However, the use of EG for cryopreservation of embryos might reduce the exposure time of the cryoprotectant because of a high permeation of EG and result in lessen its toxic effects.

스쿠버다이빙 참가자들의 준거집단의 기준이 구매행동에 미치는 영향

김태형(Kim, Tai-Hyung) 한국체육과학회 2016 한국체육과학회지 Vol.25 No.5

The purpose of this study was to investigate the effect of scuba diving participant’s product involvement and purchasing behavior on repurchase intention and recommendation intention. For the research, 298 scuba divers were used as sample. For data analysis, PASW Statistics 18.0 was used for frequency analysis, exploratory analysis, reliability analysis using Cronbah’s α and multiple regression analysis. And the results are as follow. First, sub factors of involvement, “personal preference involvement” and “product attribute involvement” had no influence on repurchase intention and recommendation intention. Second, ostentation consumption, conformity standard, one’s uniqueness of purchasing behavior had influenced on repurchase intention. Third, ostentation consumption, conformity standard, one’s uniqueness of purchasing behavior had influenced on recommendation intention.

스포츠클럽 경영자의 기업가정신이 체육시설종사자의 조직공정성, 조직몰입, 혁신행동에 미치는 영향

김태형(Kim, Tai-Hyung),이정건(Lee, Jung-Gun),서일한(Seo, Il-Han) 한국체육과학회 2021 한국체육과학회지 Vol.30 No.1

The purpose of this study is to examine how the entrepreneurial spirit of sports club managers affects the relationship between the innovative behavior of sports facility workers, organizational commitment, and organizational fairness. For the study, 240 questionnaires were used in this study for sports club workers. The results of the study are as follows: First, multiple regression analysis was performed to find out the effect of entrepreneurship on organizational fairness, and it was found that it had a significant effect at the significance level of .01. Second, the effect of entrepreneurship on organizational commitment was found to have a partially significant effect at the significance level of .01. Third, the influence of organizational fairness on innovation behavior was found to have a significant effect at the significance level of .001. Fourth, the influence of organizational commitment on the innovation movement was found to have a significant effect at the significance level of .001. Fifth, the influence of entrepreneurship on innovation behavior was found to have a partially significant effect at the significance level of .01. Entrepreneurship seeks to continuously innovate in business activities and must plan, implement and take risks to realize business opportunities. The direction in which a company wants to go is set according to where the entrepreneur"s values and management philosophy are.

상업스포츠센터의 관계혜택과 관계의 질 및 센터에 대한 충성도와의 구조적 관계

김태형(Tai Hyung Kim) 한국사회체육학회 2009 한국사회체육학회지 Vol.0 No.36

FMCW 레이더 거리 도플러 맵 실시간 디지털 신호처리 FPGA 구현 기법 연구

김태형(Tai Hyung Kim) 한국항공우주학회 2021 한국항공우주학회 학술발표회 논문집 Vol.2021 No.11

요추부 한 분절 유합술에서 생존 분석을 이용한 인접 분절 퇴행성 변화로 인한 재수술률 평가

김태형(Tae-Hyung Kim),김진혁(Jin-Hyok Kim),김성수(Sung-Soo Kim),임동주(Dong-Ju Lim),한정일(Jung-Il Han),김태완(Tai-Wan Kim),석세일(Se-Il Suk) 대한정형외과학회 2010 대한정형외과학회지 Vol.45 No.4

목적: 요추부의 한 분절 유합술 후에 발생된 인접 분절 퇴행성 변화에 시행된 재수술에 따른 생존율을 분석하고 그에 관여하는 요인을 알아보고자 하였다. 대상 및 방법: 1997년 3월부더 2006년 12월까지 본 척추센터에서 한 분절 유합술을 시행한 총 1,447예 중 추적 기능했던 1,206예를 대상으로 후향적으로 분석하여 인접 분절 퇴행성변회로 인한 재수술에 대한 생존분석을 시행하였다. 수술 시 나이, 성별, 진단명, 유합의 방법, 유합 부위, 골유합의 재료, 수술 집도의, 비만도(BMI), 흡연 여부 등에 따른 생존에 대한 단 인자 및 다중 인자분석을 시행하였다. 결과: 총 1,206예 중 인접 분절의 퇴행성 변화로 본원에서 재수술을 했던 경우는 27예였다(2.24%). 평균추시 기간은 39.0개월(6개월-12년 6개월)이었으며 수술 시 평균나이는 47.0세(13-85세)였다. 5년 생존율은 97.3%였으며, 10년 생존율은 89.4%였다. 수술 당시의 나이는 50세를 기준으로 나누어 분석한 결과 50세 미만의 재수술률이 유의하게 낮게 나타났으며(P=0.002), 다른 부위보다 제 4-5 요추 부위를 유합하였을 때 재수술률이 유의하게 높게 분석되었고(p=0.003), 과체중 및 비민인 경우(BMI 25 이상) 재수술률이 의미 있게 높았으며(p=0.040), 후외측 유합술만 시행한 경우보다 후방 요추체 유합술을 함께 시행한 군에서 재수술률이 의미 있게 낮게 분석되었다(p=0.021). 성별, 원인 질환, 골 유합의 재료, 수술 집도의, 흡연 여부에 따른 차이는 재수술률에 유의한 차이를 보이지 않았다(ps>0.05). 다중 인자 분석에서는 나이에 따른 요인만이 유의한 의미를 가졌다(p=0.048, Hazard ratio=2.50). 결론: 생존 분석 결과 요추부 한 분절 유합술에서 인접 분칠의 퇴행성변화로 인한 재수술 없이 생존하는 데에 가장 중요한 인자는 수술 당시의 나이임을 알 수 있었다. 50세 이상의 환자의 경우, 단 분절 유합술이라도 인접 분절 질환이 발생할 수 있음을 술 전에 인지시킬 필요가 있을 것으로 사료된다. Purpose: To analyze survival rates of patients after mono-segmental lumbar or lumbosacral fusion and to evaluate factors affecting the revision operation due to adjacent segmental degeneration. Materials and Methods: This study enrolled 1,206 patients who had mono-segmental lumbar or lumbosacral fusion between March 1997 and December 2006 at the Seoul Spine Institute. The survival rates for the revision operation due to adjacent segmental degeneration were analyzed retrospectively. The age at index operation, sex, etiologic diagnosis, fusion method, fusion level, substance of bone graft, operator, body mass index (BMI), and smoking were considered as risk factors for the revision operation. Results: There were 27 patients with a revision operation for adjacent segmental degeneration (2.24%). The average follow-up period was 39.0 months (6 months to 12 years 6 months) and the average age at operation was 47.0 years (13 to 85 years). The survival rate at 5 years was 97.3%, and at 10 years it was 89.4%. Patients less than 50 years old had a significantly lower revision operation rate than those aged 50 or more (p=0.002). When fusion between the 4th lumbar and the 5th lumbar spinal vertebrae was done, the revision operation rate was significantly higher than for other levels (p=0003). Obese patients with BMI≥25 had a significantly higher revision rate than did patients with BMI<25 (p=0.040). In a comparison of circumferential fusion versus other types of fusion, circumferential fusion had a lower revision rate and the difference was significant (p=0.021). Other factors such as diagnosis, sex, surgeon, substance used for the bone graft, and smoking were not significant for revision rate (ps>0.05). In multivariate analysis, age alone was a significant risk factor (p=0.048, Hazard ratio=2.50). Conclusion: The most important factor for survival without revision surgery for adjacent segmental degeneration following instrumented mono-segment lumbar or lumbosacral fusion is the age at index operation. Patients 50 year-old or older should be informed of the possibility of adjacent segmental disease after instrumented mono-segment lumbar or lumbosacral fusion.

스포츠 이벤트 관광 이미지 만족과 고객행동 간의 구조적 관계

김태형(Tai Hyung Kim),조태수(Tae Soo Cho) 한국사회체육학회 2014 한국사회체육학회지 Vol.0 No.55

The purpose of this study is to suggest the needs for sportinegv ent tourism and how to strategically utilizesporting event facilities. To accomplish the objective, the structural relationship between sporting event tourismimage satisfaction and customer behavior of the tourists were analyzed through the following methods. Theresearch target was selected among organizations with at least 3 members to fit the purpose of this study anda survey was carried out. Collected questionnaires were analyzed through SPSS 18.0 program, and frequencyanalysis, reliability analysis, and correlation analysis were conducted. As a final analysis, AMOS 20.0 was usedfor confirmatory factor analysis. The hypotheses were tested through structural equation modeling analysis andpath analysis. The findings are as follows. First, when hypothesis 1: ``Sporting event tourism image satisfcation will impact the word-of-mouth intention`` was empirically analyzed, the educational satisfaction o fhypothesis 1-1 had a positive impact on wordof-mouth intention. Second, when hypothesis 2: ``Sporting eventt ourism image satisfaction will impact revisi tintention`` was empirically analyzed, the educational satisfactoin of hypothesis 2-1 and familial satisfaction o fhypothesis 2-3 had a positive impact on revisit intention. Such findings suggest that current sporting events image is hihgly educational, and familial image has a si-gnificant impact on the revisit of tourists.

대학생의 스포츠 스타이미지와 스포츠 태도의 관계

김태형(Kim Tai-Hyung),김인호(Kim In-Ho) 한국체육과학회 2008 한국체육과학회지 Vol.17 No.4

The purpose of this study was to describe the relations between university students' sports star image and sports attitude scientifically and provide prerequisite tips to build university students' decent sports attitude and to enhance socialization through measured data. The 550 students of university in C-do, were asked to answer the questionnaire based on former studies. The data were dealt with one way analysis of variation(ANOVA), correlation analysis and multiple regression analysis. First, there was a meaningful difference in university students sports star image according to gender, age, major, economic living standard, the residential district. That is, male students showed higher sports star image rate than female ones and age was in order of over 26age, 19~21age, 22~23age, 24~25age and department was in order of the art?physical fitness, the humanitiesㆍsociety, naturalㆍscience and economic living standard was in order of high, low, middle and the residential district was in order of large city, middle city, countryside. Secondly, there was a meaningful difference in university students sports attitude according to gender, age, major. But it had nothing to do with economic living standard, the residential district. That is, male students showed higher sports attitude rate than female ones and age was in order of over 26age, 19~21age, 22~23age, 24~25age and department was in order of the artㆍphysical fitness, the humanities?society, naturalㆍscience. Finally, there was a low level of correlation between sports star image and sports attitude in general. In the type of sports star image, the external image and performance image had a positive influence on sports attitudes. The progressive image had a positive influence on individual attitude but had a negative effect on social attitude and mental attitude. The moral image had a positive influence on social attitude and individual attitude, but had a negative effect on mental attitude.

스키리조트 이용자의 참여동기가 만족도에 미치는 영향

김태형(Tai Hyung Kim),김재현(Jai Hyun Kim),한상덕(Sang Dug Han) 한국사회체육학회 2004 한국사회체육학회지 Vol.0 No.22

This thesis researched the motives to use and satisfaction in use of those visitors who use ski resorts to play ski and snowboard that are of typical winter sports and analyzed the correlation between participation motive and satisfaction and the effects participation motive has on the satisfaction. Based on the results of the research and in line with the various needs and expectations of ski resort visitors, this study aimed at providing basic and practical materials as useful information in order to serve leisure activities in the winter and broaden the understanding of the ski resort. The conclusions of this study are as follows ; Third, it appeared that there is attentive relation between ski resort vistors` participation motive and participation satisfaction, and it came out that participation motive has an attentive influence on the participation satisfaction except for environmental satisfaction according to the analysis of the participation motive`s effect on the participation satisfaction. Namely, entertainment among participation motives affected psychological, educational, recreational, physical, social participation and self-developing had an effect on psychological, educational, recreational, physical, social participation satisfaction statistically. Also social contact-oriented affected psychological, educational, social satisfaction and health-oriented had an influence on educational, social satisfaction. And finally, family-oriented affected educational satisfaction. Those results are expected to provide more empirical and practical information to visitors of ski resorts and operators who run ski resorts as a place for common and leisure sports in the winter. In addition, the basic materials to identify the propensities, which were gained through the motives and satisfaction of visitors, will serve the management, marketing and sales strategies of the operators.

하계시즌 리조트 이용자의 이용동기가 만족도에 미치는 영향

김태형(Kim Tai-Hyung) 한국체육과학회 2008 한국체육과학회지 Vol.17 No.1

This research investigated and analyzed difference of motivation for using depending on the vital statistical variance, difference of satisfaction depending on the vital statistical variance, interrelation between motivation for using and satisfaction, motivation for using had an effect to satisfaction, for research to concerning motivation for using and satisfaction. Based on this result, various leisure activities, wide leisure sports activities, to be offered the institution, we carried out research among at acquiring basic information. In order to attain an objective, from 2007 July until 2007 August, 402 visitors of Gangchon Summer season resort were selected whom were using it. As research tool, the questionnaire of Ragheb & Beard(1980), Iso-Ahola & Allen(1982), Lee, Chul-Hwa(1995), Park, Su-Jeong(1996), Kim, Yang-Rye(2000), Kim, Seong-Su(2001), Kim, Tae-Hyung(2002) was really used to execute two preliminary researches after amending and complementing, The investigation data which had become frequently used was processed through SPSS statistical program and the electric computer it controlled. Applying to the analysis of variance, an interrelation analysis and multiplex regression analysis in analysis objective of data and we got the same conclusion as follows ; It appeared that there is attentive relation between summer resort user's motivation for using and satisfaction. Entertainment among motivation for using affected psychological, recreational, environmental satisfaction and health-oriented had an influence on educational, physical satisfaction. Also social contact-oriented affected psychological, educational, recreational, social satisfaction. And self-developing had an effect on psychological, physical, environmental, social satisfaction.