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황은주(E. J. Hwang),민경석(K. S. Min),송신형(S. H. Song),최우천(W. C. Choi) 한국정밀공학회 2004 한국정밀공학회 학술발표대회 논문집 Vol.2004 No.10월
Lever mechanisms are usually employed to enlarge output displacement in precision stages. In this study, theoretical analysis of a lever is presented including bending effect and relation between dimension parameters and an objective function. The objective function is chosen as multiplication of magnification ratio and forcedisplacement transmission. Through theoretical analysis, this study presents optimal values for the parameters and the analysis is verified by finite element method.
백서(白鼠)에서 족삼리(足三里) 침 자극이 니코틴 반복처치로 유도된 행동적 민감화 및 뇌(腦)의 측핵에서 c-Fos 발현에 미치는 영향
채윤병 ( Y. B. Chae ),심인섭 ( I. S. Shim ),권영규 ( Y. K. Kwon ),양재하 ( C. H. Yang ),김미려 ( M. R. Kim ),김광중 ( K. J. Kim ),함대현 ( D. H. Hahm ),황은주 ( E. J. Hwang ),이혜정 ( H. J. Lee ) 대한경락경혈학회 2001 Korean Journal of Acupuncture Vol.18 No.2
We have previously demonstrated that repeated injections of nicotine produced an increase in locomotor activity, dopamine (DA) release and c-Fos expression in the nucleus accumbens, one of the major projection areas of the central DA system. Acupuncture as a therapeutic intervention is widely used for the treatment of many functional disorders such as substance abuse and mental dysfunction. In order to investigate whether acupuncture has an influence on nicotine-induced reinforcing and behavioral effects, we examined the effect of acupuncture on nicotine-induced behavioral locomotor activity and c-Fos expression as an important marker of the postsynaptic neuronal activity in the nucleus accumbens utilizing the immunocytochemical detection of the Fos protein. The male Sprague-Dawly rats were given repeated daily nicotine injections (0.4 mg/kg s.c., twice daily for 7 days) followed by one challenging injection on the 4th day after the last daily injection. Systemic challenge with nicotine produced a much larger increase in locomotor activity and accumbal Fos-like immunoreactivity(FLI) in nicotine-pretreated rats. During withdrawal period(from 8th day to 11th day) acupuncture at zusanli(ST36), but not at control points(HT7, L3) significantly attenuated expected increase in nicotine-induced locomtor activity and accumbal FLI to subsequent nicotine challenge. These results demonstrated that reduction in locomotor activity by acupuncture may be mediated by reduction of postsynaptic neuronal activity in the nucleus accumbens. Our results suggest that acupuncture may have therapeutic effect on nicotine addiction.
간호 전공과 비 간호 전공 여대생의 여성 갱년기에 관한 지식, 태도 및 어머니와 친밀감에 대한 연구
이다영,이다은,이정원,김봄경,황은주,류정미,김하연,신은지,박혜미,임은지 이화여자대학교 간호과학대학 2015 이화간호학회지 Vol.- No.49
Purpose: This study investigated the difference of menopausal knowledge, attitude between nursing students and non-nursing students. The relationships of the level of menopausal knowledge and attitude and the level of closeness to mother were investigated. Methods: A correlational descriptive design was used with a convenience sample. The survey was conducted with 206 female college students, 106 nursing and 100 non-nursing students, between September 1 and September 14, 2014. The instruments were the Knowledge of Menopause scale, the Menopausal Attitude Measurement scale, and the Level of Closeness to Mother scale. SPSS v22.0 is used to statistical analysis of descriptive statistics, independent t-tests, correlation and χ2-tests. Results: The difference in menopause knowledge between nursing students and non-nursing students is statistically significant (t=6.085, p<001). Nursing and non-nursing college students’ menopause knowledge had a positive relationship with attitude (r = 0.241, p<001). In closeness to mother, there is no significant difference was shown between nursing and non-nursing college students, even though the levels of menopause knowledge are different (t=1.336, p=.183). Conclusion: Results showed having menopausal knowledge positively influences students’ attitudes about menopause. Educators should develop programs imparting menopausal knowledge for non-nursing college students to increase positive menopausal attitude.