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A stratified random sampling design for paddy fields: Optimized stratification and sample allocation for effective spatial modeling and mapping of the impact of climate changes on agricultural system in Korea (농지 공간격자 자료의 층화랜덤샘플링: 농업시스템 기후변화 영향 공간모델링을 위한 국내 농지 최적 층화 및 샘플 수 최적화 연구)

  • Minyoung Lee;Yongeun Kim;Jinsol Hong;Kijong Cho
    • Korean Journal of Environmental Biology
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    • v.39 no.4
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    • pp.526-535
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    • 2021
  • Spatial sampling design plays an important role in GIS-based modeling studies because it increases modeling efficiency while reducing the cost of sampling. In the field of agricultural systems, research demand for high-resolution spatial databased modeling to predict and evaluate climate change impacts is growing rapidly. Accordingly, the need and importance of spatial sampling design are increasing. The purpose of this study was to design spatial sampling of paddy fields (11,386 grids with 1 km spatial resolution) in Korea for use in agricultural spatial modeling. A stratified random sampling design was developed and applied in 2030s, 2050s, and 2080s under two RCP scenarios of 4.5 and 8.5. Twenty-five weather and four soil characteristics were used as stratification variables. Stratification and sample allocation were optimized to ensure minimum sample size under given precision constraints for 16 target variables such as crop yield, greenhouse gas emission, and pest distribution. Precision and accuracy of the sampling were evaluated through sampling simulations based on coefficient of variation (CV) and relative bias, respectively. As a result, the paddy field could be optimized in the range of 5 to 21 strata and 46 to 69 samples. Evaluation results showed that target variables were within precision constraints (CV<0.05 except for crop yield) with low bias values (below 3%). These results can contribute to reducing sampling cost and computation time while having high predictive power. It is expected to be widely used as a representative sample grid in various agriculture spatial modeling studies.

Brain-expressed X-linked 2 Binds to Kinesin Superfamily Protein 3A (Brain-expressed X-linked (Bex) 2와 heterotrimeric kinesin-2의 KIF3A와의 결합)

  • Kim, Mooseong;Jeong, Young Joo;Park, Sung Woo;Seo, Mi Kyoung;Kim, Sang Jin;Lee, Won Hee;Urm, Sang-Hwa;Lee, Jung Goo;Seog, Dae-Hyun
    • Journal of Life Science
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    • v.32 no.3
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    • pp.189-195
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    • 2022
  • Kinesin-2 comprises two subfamilies of the heterotrimeric or homodimeric motors found in mammalian cells. Heterotrimeric kinesin-2 consists of kinesin superfamily proteins (KIFs) 3A and 3B and kinesin-associated protein 3 (KAP3), which is a molecular motor protein that moves along microtubules. It plays diverse roles in cargo transport, including anterograde trafficking in cilia, and interacts with many different cargoes and proteins, but their binding proteins have not yet been fully identified. In this study, the yeast two-hybrid assay was used to identify the proteins that interact with the cargo-binding domain (CBD) of KIF3A, and an interaction between KIF3A and brain expressed X-linked 2 (Bex2) was found. Bex2 bound to the CBD-containing C-terminal tail region of KIF3A but did not interact with the same region of KIF3B or KIF5A (a motor protein of kinesin-1). KIF3A interacted with another isoform, Bex1, but did not interact with Bex3. In addition, glutathione S-transferase (GST) pull-downs showed that KIF3A specifically interacts with GST-Bex1 and GST-Bex2 but not with GST alone. When co-expressed in HEK-293T cells, Bex2 co-localized with KIF3A and co-immunoprecipitated with KIF3A and KIF3B but not KIF5B. In combination, these results suggest that Bex2 is capable of binding to heterotrimeric kinesin-2 and may serve as an adaptor protein that links heterotrimeric kinesin-2 with cargo.

Protective Effects of Trifolium pratense L. Extract against H2O2-induced Oxidative Stress in HaCaT Keratinocytes (인간 피부각질세포에서 Hydrogen peroxide로 유도된 산화적 스트레스에 대한 붉은 토끼풀 추출물의 세포 보호 효과)

  • Mi Song Shin;You Kyeong Lee;Seo Young Choi;Ji Sun Hwang;Parkyong Song;Hyeon Cheal Park;Keun Ki Kim;Hong-Joo Son;Yu-Jin Kim;Kwang Min Lee
    • Journal of the Korean Applied Science and Technology
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    • v.40 no.2
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    • pp.223-232
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    • 2023
  • Oxidative stress plays a significant role in the pathogenesis of various skin conditions, resulting in cellular and tissue damage that can contribute to the development of skin tone unevenness, roughness and wrinkles. In this study, we found that Trifolium pratense L. extract (TE) attenuated oxidative-induced damage in HaCaT cells and elucidated the underlying molecular mechanism. Our finding demonstrated that TE effectively protected HaCaT cells against H2O2-induced cell death by inhibiting caspase-3 activation, downregulating Bax and upregulating Bcl-2, and attenuating the activation of three mitogen-activated protein kinases (MAPKs). Our results suggest that TE has remarkable cytoprotective properties against oxidative damage in HaCaT cells and could serve as a complementary or alternative approach to prevent and treat skin damage.

An Analysis of the Effect of the Residential Environment of Young Single-person Households on Residential Satisfaction and Life Satisfaction (청년 1인 가구의 주거환경이 주거와 삶의 만족도에 미치는 영향: 다른 연령 집단과의 비교를 중심으로)

  • Yongwook Kim;Saehim Kim;Joonwon Hwang;Mi-Jeong Cho
    • Land and Housing Review
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    • v.14 no.2
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    • pp.19-34
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    • 2023
  • The proportion of single-person households has been steadily increasing, and the young account for the highest proportion at 35.9% among all single-person households. However, research on young single-person households has been relatively recent. Research on single-person households has mostly focused on all single-person households or elderly single-person households, and comparative research between different age groups is lacking. Therefore, this study categorizes all single-person households into young, middle-aged, and elderly groups to investigate the differences in the factors that affect their residential satisfaction and to analyze how these residential environment factors affect life satisfaction through the mediating effect of residential satisfaction. The 2020 Seoul Survey Urban Policy Index Survey data were analyzed using a structural equation model to investigate the impact of each factor. First, a finding is that various residential environment factors directly affect residential satisfaction and life satisfaction. Next, it was found that residential satisfaction directly affects life satisfaction in the models of young and middle-aged single-person households. Through this, it was confirmed that there are differences in residential environment factors that affect residential satisfaction and that residential satisfaction plays an important mediating role. Finally, it was found that the factors that affect the residential and life satisfaction of young single-person households are more diverse compared to other age groups. This study provides policy implications that age group differences should be considered first in order to improve the residential and life satisfaction of single-person households. In particular, for young single-person households, it is necessary to consider more diverse alternatives to improve their residential and life satisfaction.

Reader-Response Criticism about the Functional relation of Romance, Women and Patriarchy -Based on Janice A. Radway's Reading the Romance: Women, Patriarchy and Popular Literature (로맨스, 여성, 가부장제의 함수관계에 대한 독자반응비평 -제니스 A. 래드웨이의 『로맨스 읽기: 여성, 가부장제와 대중문학』을 중심으로)

  • Lee, Jung-Oak
    • Journal of Popular Narrative
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    • v.25 no.3
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    • pp.349-383
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    • 2019
  • This paper examined the meaning and task of romance research with a focus on Reading the Romance(1984) by Janice A. Radway. This book, which analyzes romance texts by examining the situation and meaning of reading romance by women readers integrating between cultural studies and literary studies, is one of the most popular studies on the romance genre. Radway scrutinized the practical significance of reading romance in a community of women readers. Through a study involving questionnaires and in-depth interviews, she found that for women, romance reading is a 'compensatory fiction' that brings happiness and emotional redemption through a sense of liberation achieved by escaping from patriarchal daily life. The romance that women prefer is composed of 4 stages and 13 divisions: 'Encounter → Attest → Recovery → Happy End'. It also maintains a formula that begins with an immature female character's identity crisis and ends with a blissful union that recognizes the intrinsic value of the main character, who has turned into a man who is considerate of the women. Therefore, romance plays the role of pursuit of the 'female utopian fantasy' and at the same time a reconciliation of women to patriarchy. Feminist critics of the day criticized this argument. However, reading romance is a 'feminine reading', and romance is literature about the functional relationship between women's lives and patriarchy. Yet the interpretation could differ depending on the different viewpoints and definitions of the women's utopian fantasy. In recent years, the conditions of female reader's lives, awareness and imagination have been changing rapidly. As a result, the female utopian fantasy has also changed significantly. Nevertheless, women's lives in the real patriarchal system are still contradictory, and their adventurous imagination is spreading in alternative spaces such as the subculture. In this regard, the question is about the definition of romance and the meanings of romance research are still important task.

A Monitoring for Citizen Participation in Artificial Nest Boxes Using Mobile Applications (모바일 애플리케이션을 활용한 시민참여 인공새집 모니터링 방안 연구)

  • Kyeong-Tae Kim;Hyun-Jung Lee;Chae-Young Kim;Whee-Moon Kim;Won-Kyong Song
    • Korean Journal of Environment and Ecology
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    • v.37 no.3
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    • pp.221-231
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    • 2023
  • Great tit (Parus major) is a bioindicator species that can measure environmental changes in urban ecosystems and plays an important role in maintaining health as a representative insectivorous bird. Researchers have utilized artificial nest box surveys to understand the reproductive ecology of the Paridae family of birds, including the Great tits, but it is difficult to conduct a macroscopic study due to spatial and temporal limitations. This study designed and applied a citizen-participatory monitoring of artificial nest boxes project to transcend the limitations of expert-centered monitoring methods. The Suwon Front Yard Bird Monitoring Team installed artificial nest boxes in green spaces in Suwon, Gyeonggi Province and observed the reproductive ecology of the Paridae family through the participation of voluntary citizen surveyors. Participants were recruited through an online survey from February 9 to February 22, 2021, and they directly performed from installation to observation of artificial next boxes from February 23 to August 31, 2021. Online education was provided to the volunteers for the entire monitoring process to lower the entry barrier for non-expert citizen surveyors and collect consistent data, and observation records were collected through a mobile app. A total of 98 citizen surveyors participated in the citizen-participatory monitoring of artificial nest boxes project, and 175 (84.95%) of the 256 distributed artificial nest boxes were installed in green spaces in Suwon City. Among the installed artificial nest boxes, the results of the citizen science project were confirmed for 173 (83.98%), excluding two boxes with position coordinate generation errors. A total of 987 artificial nest box observation records were collected from citizen surveyors, with a minimum of one time, a maximum of 26 times, and an average of 5.71±4.37 times. The number of observations of artificial birdhouses per month was 70 times (7.09%) in February, 444 times (44.98%) in March, 284 times (28.77%) in April, 133 times (13.48%) in May, 46 times (4.66%) in June, 6 times (0.61%) in July, and 4 times (0.41%) in August. Birds using the artificial nest boxes were observed in 57 (32.95%) of the 173 installed artificial nest boxes, and they included Great tit (Parus major) using 12 boxes (21.05%), Varied Tit (Parus varius) using 7 boxes (12.28%), and unidentified birds using 38 boxes (66.67%). This study is the first to consider citizen participation in the monitoring of artificial nest boxes, a survey method for the reproductive ecology of the Paridae family, including Great tits, and it can be utilized as basic data for the design of ecological monitoring combined with citizen science in the future.

The way and characteristics of Shaman's play (무당굿놀이의 연행방식과 특징)

  • Yun, Dong-Hwan
    • (The) Research of the performance art and culture
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    • no.38
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    • pp.193-224
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    • 2019
  • Shaman's play is significant in that it provided public theater for a long time in the theatrical and dramatic history. Unlike upper class who could call entertainer or Korean geisha in the traditional society, the majority of ordinary people could see professional performances through gut. Therefore, the shaman of the traditional society pulled the play which developed in the gut and the outside play into the gut and prepared the performance street for the ordinary people. shaman's play, apart from the religious context, has also functioned as a theatrical performance. Through shaman's play, you can see the process of ritual development into play. Shaman's play is a ritual ritual of expel calamity in an agriculture based society. In Korean consciousness, evil spirits are thought to bring disease or disaster to humans, so they should be good for evil spirits. This is a ritual that goes hand in hand with the Confucian Yeoje and the Buddhist Suryukjae. Most traditional plays, including masque performance, tend to weaken and become stifling after the designation of intangible cultural properties. However, shaman's play is transformed every time it is executed and is given a new meaning. Depending on the ability of the shaman to respond to and accommodate social change, adaptability is excellent depending on the situation in the field. Shaman's play has richness, prevent calamity and playful elements such as imitation of god and sexual connection based on the element of shamanism. In addition, it is necessary to pay attention to the meaning and the direction of Shaman's play because it is differentiated into play including social subject beyond mere magic imitation.

A Study on the Configuration of Chinese Drama and the Connection between Yadam (한문 희곡 <동상기(東廂記)>의 구성과 야담 <동상기찬(東廂記纂)>과의 연계성)

  • Kim, Joon-Hyeong
    • (The) Research of the performance art and culture
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    • no.39
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    • pp.325-355
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    • 2019
  • On June 12, 1791, the old bachelor Kim Hee-jip and the old lady Shin Deok-bin's Daughter get married. The wedding ceremony is a state-led so-called 'virgin virgin bachelor's marriage project'. At that time, the king ordered the recorder to record the case, which is called . The private sector also made it into a work, which is the Chinese drama written by LeeOk(李鈺). was created with the purpose of praising the king, and it inserted entertainment elements into it, so it had a frame of plays, but it did not have a performance in mind from the beginning. LeeOk uses different styles in each of the four acts. He tried to soothe his boredom by setting tales and proverbs in Acts 1 and 2, Pansori in Act 3, and drama in Act 4. In 1918, BaekDooYong(白斗鏞) published DongSangGiChan[東床記纂], which is combines drama and Yadam . In previous studies, these two were perceived as different works, but the two rooms were closely linked: the link was 'someone recognize me[知 己]'. He understood the table of contents made by Lee as 'JaeHyun(才賢)', 'deokhye(德慧)', 'Kwontaek(眷澤)', 'Bokyeon(福 緣)' respectively, and recorded the version of the yadam that fits it in . From acts 1 to 4, Baek contained his desire in it by constructing 'someone recognizes me → I recognize someone → do good things[積善] → blessings[餘慶]'. This is why we can't comprehend and as completely different works.

A Study on the Meanings of Daesoonjinrihoe Gangseong Sangje's Divinity (대순진리회 강성상제의 신격과 그 의미 - 강성(姜聖)의 의미를 중심으로 -)

  • Ko, Nam-sik
    • Journal of the Daesoon Academy of Sciences
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    • v.22
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    • pp.1-32
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    • 2014
  • This paper is searching the meaning of Gangseong(姜聖) which came from Gucheon Sangje(九天上帝, the Lord and Creator of the Great Origin of the Ninth Heaven) incarnated in the Gang(姜) family. To study the meaning of Gangseong(姜聖), this paper concentrate on Maitreya(彌勒尊佛) and the sentence about Wonsibanbon(原始返本) Sangje's incarnation in the Gang's family appeared on term Gangseong in the middle of divinity terms(九天應元雷聲普化天尊姜聖上帝). Furthermore, Sangje's surname Gangseong(姜姓) has relation with Maitreya and the sentence about Wonsibanbon. What Maitreya has relation with Gangseong(姜聖) is the legendary poem that Maitreya Statue became complete woman(六丈金佛 化爲全女) and what Wensibanbon has relation with Gangseong is the fact that family name Gang is primary surname all over the world's human beings. Wonsibanbon comprises correction of family lineage and theocracy(政敎一致) which came from tracing and reviving the beginning. As a primary family name, Sangje's incarnation family name Gang plays a leading edge role of religious activity of Sangje because primary family name Gang represents the one and only Truth(眞法) or the principle of Wensibanbon which means the union[unity] of religion and politics(政敎一致), and combining saintliness and heroism (聖雄兼備). According to the one and only Truth(眞法) like this, the first emergence and role of the completely "DoTongKunJa" (道通君子, the perfection of man with Dotong) who Sang-Je declared will build the union[unity] of religion and politics shows realization of advance-oriented salvation. Under the principle of Yangsan(兩山, twin mountain, 甑山, 鼎山, the three-story Maitreya Statue of Geumsan Temple) which implies emergence of the completely "DoTongKunJa"(道通君子) who will accomplish the union[unity] of religion and politics(政敎一致), combining saintliness and heroism(聖雄兼備) and advent of the one and only Truth(眞法出現). This could be possible by the almighty of Sangje who incarnated in Gang's family name according to the principle of Wensibanbon from the text Jeonkyung(典經) as shown. Adjusting family lineage (血統) means to straighten out the relation between ancestors and descendants, and which has close relation with the activity after Sangje's incarnation in Gang's family name according to the principle of Wensibanbon. As far as family lineage was concerned, there are three aspects of close relation between ancestors and descendants. First, general connection between ancestors and descendants, Second Dotong(道通)-related connection, Third after -death entrance(冥府)-related connection. Descendants should know a family history from moral laws of family relationships(天倫) by the Compatibility principle. As for second Dotong-related connection between ancestors and descendants, the fact descendants' Dotong can be accomplished by the act of ancestors' charity shows human beings world(人間界) where descendants live has close organic relation with divine world(神明界) where ancestors live. As for third after-death entrance-related connection between ancestors and descendants, after-death entrance are totally related with both Heavenly order(天道) of ancestors and Humane-order(人道) of descendants. At this point, we can see the relation between ancestors and descendants are very close and organic. As shown from the text Jeonkyung, Sangje as Gucheon Sangje(九天上帝, the Lord and Creator of the Great Origin of the Ninth Heaven) and Maitreya(彌勒尊佛) has descended to the earth adopting Gang's family name according to principle Wensibanbon. By Sangje's incarnation in Gang's family name, the legitimacy of the religion and the perfection of Do could be successed under the law of Yangsan(兩山). Furthermore, Sangje realize the one and only Truth by Adjusting family lineage and producing the completely "true man" through Cheonji Gongsa.

The Study on the Factors of film's Processing Fluency Inducing Film's Preference Fluency (영화의 선호도 유창성에 영향을 미치는 영화의 처리 유창성 요인에 관한 연구)

  • Choi, Nak Hwan;Lim, Ahyoung
    • Asia Marketing Journal
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    • v.13 no.4
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    • pp.29-54
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    • 2012
  • Recently, as film has been admitted as the artistic merit and higher value-added business, the past studies on film have been lively carried on various fields. Especially, the film business is thought to be value-added business and has explored the causes of influencing spectators. However, there are no researches enough to explain what induces the choice and diffusion of the film. The film is not only hedonic products but also typical example of experiential products. So how to process film formation plays important roles in explaining the procedures of forming preference on the film and the movies spread more widely. But the great part of study of films has been concentrated on exploring hedonic factors of influencing spectator's choice. Until now there is not enough study for the relationship between experiential information processing and film preference. To explain film's preference, our study focuses on preference fluency and processing fluency that can provide an insight for our question about the relationship. In this article, to explain the procedures of processing experiential information and forming preference on the film, our study focuses on finding the relationship between film's processing fluency and film's preference fluency and explores the factors that affect film's processing fluency. To achieve the goal of this study, we distinguish factors of film's conceptual fluency from factors of film's perceptual fluency and explore the paths from the factors to film's preference fluency. The factors which have effects on perceptual fluency are hypothesized to be distinction of image expression, distinction of sound expression, correspondence between actors' image and their role. The factors which have effect on conceptual fluency are supposed to be well-organized story, suitability of lines expression. The experiments in which students were sampled at 'C' university were conducted in 2010 (december). Data collection was proceeded through questionnaires. We test the hypothesized model by using structural equation modeling(Amos 17.0). The fit indices for the model are as follows : x2=416.266(df=213, p=0.00), GFI=0.855, AGFI=0.812, RMSEA =0.069, IFI=O.925, CFI=0.920, TLI=0.905. According to the guidelines, there is evidence that our measurement model fits data. The results of empirical study are as follows. The path from film's perceptual fluency to film's preference fluency is supported(estimate: 0.223, C.R: 2.641). The path from film's conceptual fluency to film's preference fluency is supported(estimate: 0.397, C.R: 4.863). The path from distinction of image expression to film's perceptual fluency is not supported(estimate: 0.113, C.R: 1.665). The path from distinction of sound expression to film's perceptual fluency is supported (estimate: 0.190, C.R: 2.042). The path from correspondence between actors' image and their role to film's perceptual fluency is supported(estimate: 0.686, C.R: 5.566). The path from well-organized story to film's conceptual fluency is supported(estimate: 0.396, C.R: 4.023). The path from suitability of lines expression to film's conceptual fluency is supported(estimate: 0.536, C.R: 5.441). Concludingly, our study explored the influencing factors of film's processing fluency inducing film's Preference fluency. First, film's perceptual fluency and film's conceptual fluency have positive effects on film's preference fluency. Second, distinction of image expression is not significant on film's perceptual fluency, but distinction of sound expression and image's correspondence of actors' image and their role have positive effects on film's perceptual fluency. Lastly, well-organized story and suitability of lines expression have positive effects on film's conceptual fluency.

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