• 제목/요약/키워드: locus

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봉독약침자극이 Catecholamine성 신경세포의 활성변화에 미치는 영향 (Effect of the bee venom aqua-acupuncture on the neuronal activities of catecholaminergic system in brainstem)

  • Kim, Hye-Nam;Nam, Sang-Soo;Lee, Yun-Hoo;Choi, Yong-Tae
    • 대한약침학회지
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    • 제3권1호
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    • pp.65-87
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    • 2000
  • This study was designed to evaluate the effect of the bee venom(BV) aqua-acupuncture on the neuronal activities of catecholaminergic(tyrosine hydroxylase : TH, dopamine ${\beta}$ hydroxylase : D${\beta}$H) system in the brainstem. After the BV aqua-acupuncture was applied on Chok-Samni(ST36) and the gluteal part(Blank locus) in rats. Also, the number of colocalization between catecholamine containing neurons and Fos immunoreactive neurons were analyzed by using the double immunohistochemical technique. The results of the experiments were summarized as follows : 1. In DR and LC, Chok-Samni group and the Blank locus group showed more significant increase in the number of colocalization between TH containing neurons and Fos immunoreactive neurons than the control group. Furthermore, Chok-Samni group showed more significant increase than the Blank locus group. Also, in Arc, Chok-Samni group showed more significant increase than the Blank locus group and the control group. 2. In LC, Chok-Samni group showed more significant increase in the number of colocalization between D${\beta}$H containing neurons and Fos immunoreactive neurons than the Blank locus group and the control group. Also, in A5, Chok-Samni group and the Blank locus group showed more significant increase than the control group. Chok-Samni group showed more significant increase than the Blank locus group. However, there was no significant change in A7. Consequently, the BV aqua-acupuncture increased more potent the number of Fos immunoreactive neurons and the activity of catecholaminergic neurons. Furthermore, the BV aqua-acupuncture was more effective on Chok-Samni than Blank locus group. These results indicate that the BV aqua-acupuncture is very effective therapy to control pain. The therapeutic effect of BV aqua-acupunture may associated with the endogenous modulatory system such as catecholamine. Those data from the study can be applied to establish the effective treatment of the BV for pain control in the clinical field.

북한이탈청소년이 경험하는 가족 및 친구지지와 문화적응 스트레스의 관계에서 내적 통제성의 매개효과 (The Mediating Effect of Internal Locus of Control in the Relationship between Family and Friend Support and Acculturative Stress of North Korean Adolescent Refugees)

  • 정재경;강민주
    • Human Ecology Research
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    • 제57권4호
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    • pp.485-498
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    • 2019
  • This study examined the mediating effect of internal locus of control in the relationship between family and friend support and acculturative stress of North Korean adolescent refugees. Participants consisted of 101 North Korean adolescent refugees (40 males and 61 females) aged 13 to 24, who live in Seoul, Gyeonggi Province, and Busan. SPSS 25.0 and Mplus 5.12 were used to analyze data. Descriptive statistics and Pearson's correlation coefficients were calculated and structural equation modeling (SEM) examined the mediating effect. The results of this study are as follows. First, a higher level of family support and friend support were associated with a higher level of internal locus of control. A higher level of internal locus of control was associated with a lower level of acculturative stress among North Korean adolescent refugees. Second, the level of internal locus of control mediated the relationship between friend support and acculturative stress. This study is meaningful in that it examines the specific paths affecting acculturative stress of North Korean adolescent by examining family and friend support, which are environmental factors, and internal locus of control, which is internal factor of individuals. The study results suggest that improving friend support as well as increasing the level of internal locus of control for North Korean adolescent refugees can be an effective way to prevent or intervene acculturative stress.

노인의 신종 인플루엔자A (H1N1) 예방행위에 미치는 요인 (Factors Influencing Elders Preventive Behavior for Influenza A (H1N1))

  • 윤영주;현혜진
    • 지역사회간호학회지
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    • 제21권4호
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    • pp.481-488
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    • 2010
  • Purpose: The purposes of this study were to examine the relations among anxiety, knowledge, health locus of control and preventive behavior, and to find factors related with preventive behavior. Methods: The subjects were 269 elderly people of over 65 living in C City. Data were collected through a structured questionnaire and analyzed by SPSS. Results: Health promoting behavior was significantly different according to chronic disease, contact with H1N1 patient and perceived health status. The variables that affected the level of preventive behavior were anxiety, knowledge, internal locus of control, external locus of control, chance locus of control and perceived health status. Conclusion: According to this study, promoting preventive behavior for H1N1 on the elderly builds up anxiety, knowledge, and health locus of control.

보호 계전기 동특성 테스트를 위한 임피던스 궤적 모델 개발 (Development of Impedance Locus Model for Protective Relay Dynamic Test)

  • 김수남;이재규;이명수;유석구
    • 대한전기학회논문지:전력기술부문A
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    • 제51권9호
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    • pp.451-459
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    • 2002
  • This paper presents a method for modelling of the impedance locus in order to test the protective relay with dynamic. This paper has the two parts, the first part is the configuration of impedance locus with voltage magnitude, total impedance magnitude and angle. And the second part is the control of the locus speed with deviation of two frequencies. The proposed method is applied to two machine equivalent system with PSCAD/EMTDC to show its effectiveness.

캠 축의 운동 궤적 해석에 관한 연구 (A Study on the Camshaft Locus Analysis in a Camshaft Bearing)

  • 지유철;조명래;정진영;최상현;한동철;최재권
    • 한국윤활학회:학술대회논문집
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    • 한국윤활학회 1997년도 제25회 춘계학술대회
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    • pp.167-175
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    • 1997
  • The locus of a camshaft supported on camshaft bearings has been investigated using transient method. Forces applied to camshaft are composed of two components, one is transfer force between cam and tappet, the other is frictional force. These forces have been calculated using lumped mass model and EHL theory. ADI method has been used for numerical analysis of Reynolds equation, and 4th order Runge-Kutta method has been used for transient journal locus analysis. The effects of various load conditions are presented in the form of journal locus. As the result of analysis, it is found that camshaft bearings exist in the hydrodynamic lubrication condition.

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직접 구동 OHC 밸브 트레인 캠 축의 운동 궤적 해석 (An Analytical Study on Camshaft Locus at Camshaft Bearing in a Direct Acting OHC Valve Train System)

  • 지유철;조명래;정진영;최상현;한동철;최재권
    • Tribology and Lubricants
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    • 제13권4호
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    • pp.53-59
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    • 1997
  • The camshaft locus at camshaft beating in a direct acting OHC valve train system has been investigated using the transient method. Forces applied to the camsfiaft are composed of two components, one is the transfer force between the cam and the tappet, the other is the frictional force. These forces have been calculated using the lumped mass model and the elastohydrodynamic lubrication theory. The alternating direction implicit method has been used for the numerical analysis of Reynolds equation, and 4th order Runge-Kutta method has been used for the transient journal locus analysis. The effects of various load conditions are presented in the form of journal locus. As a result of the analysis, it has been found that camshaft bearings were mainly in the hydrodynamic lubrication condition.

Illumination Invariant Face Tracking on Smart Phones using Skin Locus based CAMSHIFT

  • Bui, Hoang Nam;Kim, SooHyung;Na, In Seop
    • 스마트미디어저널
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    • 제2권4호
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    • pp.9-19
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    • 2013
  • This paper gives a review on three illumination issues of face tracking on smart phones: dark scenes, sudden lighting change and backlit effect. First, we propose a fast and robust face tracking method utilizing continuous adaptive mean shift algorithm (CAMSHIFT) and CbCr skin locus. Initially, the skin locus obtained from training video data. After that, a modified CAMSHIFT version based on the skin locus is accordingly provided. Second, we suggest an enhancement method to increase the chance of detecting faces, an important initialization step for face tracking, under dark illumination. The proposed method works comparably with traditional CAMSHIFT or particle filter, and outperforms these methods when dealing with our public video data with the three illumination issues mentioned above.

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Loci ordering via the Fiedler vector

  • Kim, Choong-Rak
    • 한국통계학회:학술대회논문집
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    • 한국통계학회 2005년도 춘계 학술발표회 논문집
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    • pp.161-166
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    • 2005
  • Locus ordering is the necessary step in constructing genetic map, and the construction of reliable and fine genetic map is one of the most important issue in genetic research area. Locus ordering searches for the best locus order among the possible orders and it amounts to evaluating the maximum likelihood for each order. With only 10 loci, for example, there are 1,814,000 possible orders, and therefore, locus ordering entails a big computational problem. In this paper we suggest a useful algorithm for loci ordering via the Fiedler vector. The suggested algorithm is easy to compute and can handle many loci simultaneously. Furthermore, the required computation time is very short compared to others and the result of locus ordering is very accurate.

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Locus Control Region의 구조와 기능 (The Structure and Function of Locus Control Region)

  • 김애리
    • 생명과학회지
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    • 제17권11호
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    • pp.1587-1592
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    • 2007
  • Locus control region (LCR) is a cia-acting element which regulates the transcription of genes in developmental stage and/or tissue-specific pattern. Typically, LCR consists of several DNase I hypersensitive sites (HSs), where the binding motifs for transcriptional activators are present. The binding of activators to the HSs recruits chromatin modifying complexes to the LCR, opening chromatin structure and modifying histones covalently through the locus. LCR forms close physical contact with target gene located at a distance by looping away intervening region. In addition, non-coding RNA is transcribed from LCR toward target genes in continuously acetylated active domain. These structural and functional features of LCR suggest that the LCR plays many roles in chromatin activation and transcriptional regulation.

Social Identity and Regulatory Focus: Can Collective Orientation Influences Consumers' Message Evaluation?

  • Park, Sangwoo;Heo, Dakyeong;Shin, Dongwoo
    • Asia Marketing Journal
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    • 제21권1호
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    • pp.89-112
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    • 2019
  • To investigate the interplay between individual and collective self-regulations, the authors propose a dialectic process that describes the changes in the locus of self-regulations between individual self and collective self. The results from three studies display a strong support for the two sets of hypotheses drawn from the proposed process. Our findings demonstrate that consumers can move the locus of self-regulation from individual-self to collective-self when a social identity is activated (preliminary study and study1). Further examination of regulatory swing between individual and collective regulatory orientations revealed group identification as a key variable in determining the locus of self-regulation (study2). While a consumer with a high level of group identification changes her locus of self-regulation from an individual to a collective (a regulatory shift) and evaluated messages and products framed consistent with their group orientation, a consumer with low level of group identification maintains her locus of self-regulation in her personal level of self (a regulatory preservation) and evaluated messages and products framed consistent with their personal regulatory focus.