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- 저자 : Kwon SoYoung (검색결과 158 건)
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Dynamic and static measurement of interfacial capillary forces by a hybrid nanomechanical system.
Kwon, Soyoung,Stambaugh, Corey,Kim, Bongsu,An, Sangmin,Jhe, Wonho RSC Pub 2014 Nanoscale Vol.6 No.10
<P>The forces resulting from the presence of interfacial liquids have mechanical importance under ambient conditions. For holistic understanding of the liquid-mediated interactions, we combine the force-gradient sensitivity of an atomic force microscope (AFM) with the force measuring capability of a micro-electromechanical force sensor. Simultaneous measurement of the viscoelasticity of the water nanomeniscus and the absolute capillary force shows excellent agreement in its entire length, which justifies the validity of the widely used AFM results. We apply the hybrid system to measure the stress and strain, whose hysteretic response provides the intrinsic quantities of the liquid nanocluster.</P>
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The putative role of carboxylesterase 2 in insecticide tolerance in Bemisia tabaci
Soyoung Kang,Deok-Ho Kwon,Jung Hun Oh,Si Hyeock Lee 한국응용곤충학회 2010 한국응용곤충학회 학술대회논문집 Vol.2010 No.05
The hemipteran whitefly Bemisia tabaci (Gennadius) is one of the most destructive pests damaging more than 600 agricultural crop species worldwide. The B and Q biotypes are most widely spread in Korea but they are not distinguishable based on morphological characters. Carboxylesterase 2 (Coe2) was determined to be 5.9 times more expressed in B biotype compared to Q biotype. Comparison of deduced amino acid sequences of Coe2 (595 a.a.) showed a total of 3.85% polymorphisms between B and Q types but no differences in major active sites. Quantitative real-time PCR revealed that both B and Q biotypes possess a single copy of coe2, suggesting that the overexpression of Coe2 in B biotype is likely due to overtranscription. To determine the putative role of Coe2 in insecticide tolerance, esterases were separated by native isoelectric focusing (IEF) and inhibited by various insecticides. The putative Coe2 band was apparently inhibited by pyrethroid and organophosphate insecticides, but not by imidacloprid. These findings suggest that overexpression of Coe2 confers chemical defense against pyrethroid and organophosphate insecticides, perhaps by sequestration.
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Legitimacy and Regime Security in North Korea: Pyongyang’s Slogan Politics
Soyoung Kwon,Young Chul Cho 연세대학교 동서문제연구원 2014 동서연구 Vol.26 No.4
The paper attempts to approach the survival of the North Korean regime in the perspective of changing legitimation modes and ideological management by the leadership to fill in possible ‘identity vacuum’ which could possibly lead to system collapse. With a content analysis of Rodong Sinmun, the representative North Korean newspaper, this paper follows the trajectory process of legitimizing values and ideological rationality in North Korea between 1985 and 2004. In so doing, this paper will address the question of when and how new slogan was shifted, reformulated, and produced for regime security toward audiences at home and abroad. This paper argues that, unlike its conventional images of North Korea as an anachronistic, static communist country, North Korea actively seek to respond to internal and external challenges they faced, which heightened in the 1990s, by formulating new slogan to rationalize its existence. In the perspective of legitimation crisis, this paper further argues that the process of shifting legitimation modes, through ideological manipulation or propaganda management, has served the purpose of filling in the possible ideological vacuum, therefore, preventing identity crisis and helping sustain the North Korean regime thus far.
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CHANGES IN THE COMPOSITION AND STRUCTURES OF THE NORTH KOREAN POLITICAL ELITE
Kwon Soyoung 통일연구원 2003 International journal of korean unification studie Vol.12 No.2
It is contended that the structure of the Soviet and Chinese political elites underwent evolutionary changes under state socialism, becoming larger, widely differentiated, functionally specialised, and socially heterogeneous. This trend was particularly conspicuous in the 1980s. This paper examines changes in the North Korean political elite between 1980 and 2000, and investigates whether its composition and structure have diversified as in the case of the Soviet and Chinese political elites. An in-depth study of the Korean Worker’s Party Central Committee pinpoints relative personnel stability and continuity in the North Korean political elite structure with regards to members’ social attributes. Some signs of widening differentiation in the political elite were detected in the 1980s, where its size grew and the representation of the state elite consisting of technocrats and managerial personnel increased. Facing internal and external crises in the 1990s, however, it showed a reverse pattern. The North Korean political elite became smaller in size, closed, and homogeneously centralised, in which members were interconnected by similar demographic, education and career backgrounds. A narrowing differentiation of the political elite, featuring decreasing representation of state elites and the rapidly increasing numbers of Party and military elites, also marked a distinctive characteristic of the 1990s. In contrast to the Soviet and Chinese political elites which have experienced a radical turnover following leadership change, the North Korean political elite under Kim Jong-il has developed into a compact cohesive elite without any abrupt personnel change. It is contended that the structure of the Soviet and Chinese political elites underwent evolutionary changes under state socialism, becoming larger, widely differentiated, functionally specialised, and socially heterogeneous. This trend was particularly conspicuous in the 1980s. This paper examines changes in the North Korean political elite between 1980 and 2000, and investigates whether its composition and structure have diversified as in the case of the Soviet and Chinese political elites. An in-depth study of the Korean Worker’s Party Central Committee pinpoints relative personnel stability and continuity in the North Korean political elite structure with regards to members’ social attributes. Some signs of widening differentiation in the political elite were detected in the 1980s, where its size grew and the representation of the state elite consisting of technocrats and managerial personnel increased. Facing internal and external crises in the 1990s, however, it showed a reverse pattern. The North Korean political elite became smaller in size, closed, and homogeneously centralised, in which members were interconnected by similar demographic, education and career backgrounds. A narrowing differentiation of the political elite, featuring decreasing representation of state elites and the rapidly increasing numbers of Party and military elites, also marked a distinctive characteristic of the 1990s. In contrast to the Soviet and Chinese political elites which have experienced a radical turnover following leadership change, the North Korean political elite under Kim Jong-il has developed into a compact cohesive elite without any abrupt personnel change.
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Soyoung Kang,Deok-Ho Kwon,Kyung-Seok Kim,Si Hyeock Lee 한국응용곤충학회 2009 한국응용곤충학회 학술대회논문집 Vol.2009 No.10
To search for hyper-variable genetic markers that can distinguish regional populations of head lice, we screened the inter simple sequence repeats (ISSR) based on the genome database of body louse, which is closely related conspecific species. An ISSR mining software, SciRoKo 3.4, was employed to excavate ISSR markers from the genome database under the MISA mode (≥ 60 bp repeats). Entire body louse genome (ca.100 Mb) was loaded to SciRoKo for ISSRs mining. A total of 5,336 ISSRs were obtained, and primers specific to individual ISSRs were designed by the Primer 3 and DesignPrimer 1.0 softwares. In order to prove the compatibility of body louse ISSRs to head lice, 31 PCR primers were randomly chosen out of a total of 613 pairs, and their appropriateness was tested by comparing the amplified PCR band patterns between body and head lice. Eleven primer pairs that resulted in poor or little amplification were excluded, and 20 primer pairs were further tested for three head louse populations (California, Panama and Chung-ju, Korea). Finally, nine primer pairs ensuring robust amplification of highly variable band patterns were selected to use for population genetic study of head lice.
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청년 남녀의 사회경제적 특성 및 세대관계 특성이 결혼의향에 미치는 영향
권소영 ( Kwon Soyoung ),강시은 ( Kang Sieun ),엄세원 ( Oum Sewon ),박지수 ( Park Jisoo ),이재림 ( Lee Jaerim ) 한국가족관계학회 2017 한국가족관계학회지 Vol.21 No.4
Objectives: We examined which socioeconomic and intergenerational characteristics were associated with the level of intention to marry among Korean men and women in young adulthood. Method: Data came from 351 men and 391 women who were 25-34 years old, had never been married, and had at least one living parent. We conducted multiple regression analyses by gender after controlling for age and current romantic relationship. Results: Among the socioeconomic characteristics, more years of education was linked to both men`s and women`s higher levels of intention to marry. For women, having a secure, full-time job was related to greater intention to marry. For men, the higher their subjective socioeconomic status, the greater their intention to marry. Among intergenerational characteristics, both men`s and women`s positive attitudes toward supporting elderly parents were related to a higher level of intention to marry. For men, the frequency of providing instrumental support for their parents was negatively associated with the men`s intention to marry. For women, higher levels of agreement with parents` responsibility to support their adult children as well as greater affection for their parents were positively related to greater intention to marry. Conclusions: The findings suggest that young adults` socioeconomic resources and the family context are important predictors of young adults` marital intentions. The results also reveal gender differences in the factors associated with young adults` marital intentions.
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