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박종태,최영곤,한남익,박철용,표내숙,조춘호 釜山大學校 附設 體育科學硏究所 1998 體育科學硏究所 論文集 Vol.14 No.-
In the early decades of this century, Charisma which originally means endowment with the gift of grace, has been introduced to social sciences by German sociologist, Max Weber. It quickly became interested in the field of sociology and politics. But, into the 1970s, charismatic leadership still had not became a subject for empirical or experimental research related to organizational theory. Recently, much attention has been paid to charismatic leadership as the prototype of leadership that people have in mind when they describe their ideal leader and is more likely to provide a role model with which subordinates want to identify. As a result, in will perform further study related to Charisma leadership which developing various kind of measurement and instrument. Finally, it should identify lost of possibility and phenomenon through the study of charisma leadership.
Effect of Hispidulin 7-O-neohesperidoside on Lipid Peroxidation in Rat Liver and NMR Assignment
Park, Jong-Cheol,Baek, Nam-In,Chung, Shin-Kyo,Hur, Jong-Moon,Lee, Jong-Ho,Yu, Young-Beob,Chol, Jong-Won The Korean Society of Pharmacognosy 1997 생약학회지 Vol.28 No.2
The full NMR assignment of hispidulin 7-0-neohesperidoside (1) isolated from Cirsium japonicum var. ussuriense was made with the aid of 2D correlation NMR techniques such as HMQC and HMBC. To investigate detoxification of bromobenzene-induced hepatic lipid peroxidation by compound 1, hepatic lipid peroxide level and the activities of enzymes responsible for production and removal of epoxide were studied. The level of lipid peroxide elevated by bromobenzene was significantly reduced by compound 1. This compound administered daily over one week before intoxication with bromobenzene did not affect the activities of aminopyrine N-demethylase, aniline hydroxylase, glutathione S-transferase. Epoxide hydrolase activity was decreased significantly by bromobenzene, which was restored to the control level by pretreatment of persicarin. The results suggest that the bromobenzene-induced hepatic lipid peroxidation by compound 1 is reduced by enhancing the activity of epoxide hydrolase, an enzyme removing bromobenzene epoxide.
The Cellular Response to Graphene Oxide and Its Related Nano-derivatives
( Jong Wook Shin ),( Chang Seok Park ),( Jae Kook Nam ),( Young Ae Baik ),( Jae Woo Jung ),( Jae Chol Choi ),( Jae Yeol Kim ),( In Won Park ),( Byoung Whui Choi ),( Kyung Soon Choi ),( Juhyun Park ),( 대한결핵 및 호흡기학회 2012 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.114 No.0
The graphene which is an allotrope of carbon has the honeycombing structure of one-atom-thick planar sheets. it is used in modern electronic, informative technologies sensors and drug delivery system. Graphene oxide (GO) has oxygen functional groups on the graphene plane. We performed this experiment to define the cellular effect of GO. GO was prepared by the modified Hummers method using 2 g of graphite powder. After sequential procedure, GO in water was used for experiment. U-937, Raw264.7 cells and A549 cells were cultivated with GO and related nanoparticles. We checked the microscopic charac-teristics, MTT assay and Western blotting. The X-ray diffraction patterns showed that the pristine graphite had a peak centered at 2θ=26.5o (d=0.33 nm). This peak was shifted to 2θ=11.3o (d=0.78 nm) after applying the Hummers method. U937 cells aggregated sround GO. During 48 hours, modified GO with methyl group (DA-GO) and SDS-hydrazine GO(SDS-HYDrGO) diminished A549 proliferation than GO. In contrast, GO inhibited proliferation of Raw264.7 cells than DA-GO and SDS-HYD rGO. The shifting from LC3B-I to LC3B-II was minimal in GO, DA-GO, SDS-HYD rGO. In conclusion, GO in water may be phagocytosed by mononuclear cells. GO and its ligand-modified derivatives may affect differentially on proliferation or survival in airway epithelial cells and mononuclear cells. Acknowledgement: This research was supported by Mid-career Research Program (2011-0028752) through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology.
Potassium Currents in Isolated Deiters Cells of Guinea Pig
Jong Woo Chung,Eui Chol Nam,Won Tae Kim,Jae Boum Youm,Chae Hun Leem 대한생리학회-대한약리학회 2013 The Korean Journal of Physiology & Pharmacology Vol.17 No.6
Deiters cells are the supporting cells in organ of Corti and are suggested to play an important role in biochemical and mechanical modulation of outer hair cells. We successfully isolated functionally different K<sup>+</sup> currents from Deiters’ cells of guinea pig using whole cell patch clamp technique. With high K<sup>+</sup> pipette solution, depolarizing step pulses activated strongly outward rectifying currents which were dose-dependently blocked by clofilium, a class III anti-arrhythmic K<sup>+</sup> channel blocker. The remaining outward current was transient in time course whereas the clofilium-sensitive outward current showed slow inactivation and delayed rectification. Addition of 5 mM tetraethylammonium (TEA) further blocked the remaining current leaving a very fast inactivating transient outward current. Therefore, at least three different types of K<sup>+</sup> current were identified in Deiters cells, such as fast activating and fast inactivating current, fast activating slow inactivating current, and very fast inactivating transient outward current. Physiological role of them needs to be established.
Potassium Currents in Isolated Deiters' Cells of Guinea Pig
Chung, Jong Woo,Nam, Eui Chol,Kim, Won Tae,Youm, Jae Boum,Leem, Chae Hun The Korean Society of Pharmacology 2013 The Korean Journal of Physiology & Pharmacology Vol.17 No.6
Deiters' cells are the supporting cells in organ of Corti and are suggested to play an important role in biochemical and mechanical modulation of outer hair cells. We successfully isolated functionally different $K^+$ currents from Deiters' cells of guinea pig using whole cell patch clamp technique. With high $K^+$ pipette solution, depolarizing step pulses activated strongly outward rectifying currents which were dose-dependently blocked by clofilium, a class III anti-arrhythmic $K^+$ channel blocker. The remaining outward current was transient in time course whereas the clofilium-sensitive outward current showed slow inactivation and delayed rectification. Addition of 5 mM tetraethylammonium (TEA) further blocked the remaining current leaving a very fast inactivating transient outward current. Therefore, at least three different types of $K^+$ current were identified in Deiters' cells, such as fast activating and fast inactivating current, fast activating slow inactivating current, and very fast inactivating transient outward current. Physiological role of them needs to be established.
Predicting type 2 diabetes using S asang constitutional medicine
Cho, Nam H,Kim, Jong Yeol,Kim, Sung Soo,Lee, Seung Ku,Shin, Chol Wiley-Blackwell 2014 Journal of diabetes investigation Vol.5 No.5
<P><B>Abstract</B></P><P><B>Aims/Introduction</B></P><P>Sasang constitutional medicine (SCM) has existed in traditional Korean medicine for more than 100 years. SCM consists of four different types: So‐Eum (SE), So‐Yang (SY), Tae‐Eum (TE) and Tae‐Yang (TY). It is of great importance that the Sasang constitution type (SCT) be evaluated accurately and recognized by medical communities.</P><P><B>Materials and Methods</B></P><P>From the Ansung–Ansan prospective cohort study, 10,038 participants were recruited from the years 2001–2002. Of 10,038 original participants, 2,460 participants underwent SCT evaluation. The Cox proportional hazard model was used to predict diabetes during the 10‐year follow‐up period.</P><P><B>Results</B></P><P>During 10 years of follow up (22,007 person‐years), 472 incidence cases (215/10,000 Incidence Density) of type 2 diabetes mellitus were documented. We identified that the TE group was significantly older, more obese, and had higher blood pressure, glucose metabolic values and lipid profiles levels. Relative risk (RR) and 95% confident intervals (CI) for type 2 diabetes were 1.696 (95% CI 1.204–2.39, <I>P</I> = 0.003) for TE when compared with the SE type. After controlling all potential confounders, the Cox proportional hazard model showed that RR was 1.635 (95% CI 1.111–2.406) in non‐obese (body mass index <25) TE, and RR was 1.725 (95% CI 1.213–2.452) in obese (body mass index ≥25) TE when compared with the SE type. We did not find any differences when comparing SE and SY types. The findings shows that TE is a higher risk factor for type 2 Diabetes, independent of obesity level.</P><P><B>Conclusions</B></P><P>The present study suggests that the TE type, independent of obesity level, is a strong risk factor of type 2 diabetes.</P>
실내 난방시 온열쾌적성 평가에 관한 연구(part 1: 실내 난방시 실온변화에 따른 감성이미지 평가)
한남규 ( Nam Kyu Han ),금종수 ( Jong Soo Kum ),김형철 ( Hyung Chol Kim ),김동규 ( Dong Kyu Kim ),김창연 ( Chang Yon Kim ) 한국감성과학회 2003 춘계학술대회 Vol.2003 No.-
In recently, Is inhabiting more than 70% indoors during a day in case of company employee and ordinary people which is looking at usual business. Therefore Thermal comfort of human body about indoor temperature and air flow acting very heftily. When intestine temperature is fallen for external low temperature and air flow in winter in case enter into heated room feel comfort by effect of temperature and feel comfort or discomfort by room heating condition gradually. Therefore it is important that grasp thermal comfort about temperature and air flow in heating to keep continuous comfort in indoor dwelling. Temperature and thermal comfort factor of emotion & sensitivity image exert fair effect since heating middle although thermal comfort change greatly effect on sensation about temperature at actuality heating early. Need much study yet in vantage point of emotion & sensitivity although much study were held about thermal and comfort sensibility and when heat in existing research until now. Therefore this study is targeting that evaluate thermal comfort through introduction of estimation method by emotion & sensibility image real and synthetic sensibility about thermal environment that is becoming winter heating.