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The Impact of Crisis on Consumers' Value Systems -Psychological Pathways to Sustainable Behavior-
Hongjoo Woo,Daeun Chloe Shin,Sojin Jung,Byoungho Ellie Jin The Korean Society of Clothing and Textiles 2024 한국의류학회지 Vol.48 No.3
Through the recent pandemic, this study examined the theory of awe, which explains that external crises affect people's value systems and consequential behaviors. During the pandemic, some consumers expressed a growing interest in equity, while others pursued the consumption of materialistic items, such as luxurious fashion goods. According to the theory of awe, both of these phenomena could be coping responses to the crisis. Based on this, we attempted to understand the psychological processes behind the pandemic's effect on these two different consumers value systems thereby influencing sustainable consumption intentions: one through the new ecological paradigm (NEP) that emphasizes consumers' increased consciousness, and the other through materialism that emphasizes consumers' self-centered side. The results obtained from a survey of 382 U.S. consumers revealed that the degree of pandemic experience increased consumers' NEP and materialism, which also increased their economic and ethical CSR expectations. These CSR expectations then enhanced consumers' sustainable consumption intentions. As sustainable consumption and CSR are important agendas for the fashion industry, this study will provide useful insights for researchers and practitioners in the fashion field.
Shin, Junhye,Cho, Hongjoo,Chung, Yong-Yoon,Park, Min Chul 한국식물학회 2003 Journal of Plant Biology Vol.46 No.1
We introduced OsMADS1, a MADS box gene from rice, into Chinese cabbage using the Agrobacterium-mediated method. Among the 30 regenerated transformants, 7 transgenic plaints were confirmed to carry OsMADS1 transcript as the transgene. This gene had been put under the 35s promoter by RT-PCR and RT-PCR northern hybridization. The NPT Ⅱ and OsMADS1 primers detected 0.7-kb and 0.6-kb PCR products, respectively, that corresponded with the expected size from their transcripts. Our results suggest that those transgenes are expresses in the reansgenic plants. We also observed the plaints at the flowering stage in order to identify any possible morphological alteration caused by the transgene during flowering. Onenotable mutation involved homeotic replacement of a carpel with another flower instread.
High-Frequency Agrobacterium-Mediated Genetic Transformation of Tongil Rice Varieties
Park, MinChul,Shin, JunHye,Kim, NarYung,Cho, HongJoo,Park, SeongHee,An, KyungSook,Lee, SiChul,An, GynHeung 한국식물학회 2003 Journal of Plant Biology Vol.46 No.1
We investigated the frequency of callus induction from mature-seed scutella of 39 varieties of Tongil rice (Oryza sativa japonica x indica). These were divided into two groups according to condition of the callus at the time of incuction. Members of the first group, which developed brown calli, were further classified into two types (B1 or B2), based on the extent of their color change and callus congition. Tissues in the second froup developed yellow calli, with varieties being placed into one of three types (Y1, Y2, or Y3) according to solidity. Type-Y1 seeds generated suitably soft calli that were healthy and grew rapidly. These calli were transformed with binary vector pGA2722 via Agrobacyerium-mediated co-cultivation. The vector contained the hygromycin-resistance selectable marker and a gus reporter gene with an intron that is functional in plant cells but not in Agrobacterium. Most vatieties that formed brown calli failed to generate transformants. Ligewise, several varieties wuth suitably soft calli also failed. Among the 16 transgormable varieties, the final regeneration frequencies ranged from 1.0 to 10.7%. The highest frequency was achieved by the variety Tongil, which also had the most rapidly growing calli. DNA gel-blot analysis revealed one to three copies of the introduced gus gene.
정지승(Jeeseung Chung),김만화(Manhwa Kim),이선길(Sungil Lee),김홍주(Hongjoo Kim),신영완(Youngwan Shin) 한국지반환경공학회 2016 한국지반환경공학회논문집 Vol.17 No.11
최근 지하공간을 활용한 도시의 기반시설 확충으로 인하여 시설물 상호 간의 근접시공이 많이 이루어지고 있으며, 근접시공으로 인한 시설물의 안정성과 관련된 민원이 빈번하게 발생하고 있는 실정이다. 본 연구에서는 근접시공으로 인한 정거장구조물의 거동특성을 파악하기 위해 김포도시철도 터널이 계획된 노선 상부의 지하철 5호선 김포공항역 정거장구조물을 대상으로 연구를 수행하였다. 정거장구조물의 안전영역 평가 및 굴착방법에 대한 개략적인 검토와 수치해석을 통한 상세검토를 수행하였으며, 손상도 평가, 궤도틀림 및 구조검토 결과 근접시공에 따른 정거장구조물의 안정성은 확보되는 것으로 평가되었다. 본 연구는 근접시공시 인접구조물에 미치는 영향을 사전에 검토하는 경우 기초자료로 활용될 수 있을 것으로 기대된다. Recently, it has been made many adjacent construction of inter-facility by the expansion of urban infrastructure facilities using the underground space. The complaints relating to the stability of the facility by adjacent construction is common. In this study, it was conducted for the subway line 5 Gimpo airport station structure in the upper Gimpo urban railway to determine the behavior characteristics of station structure according to adjacent construction. It was performed evaluation of the safety zone and excavation method for station structure. And after a review of damage evaluation, track irregularities and structural calculation by using a numerical analysis, stability of the station structure according to adjacent construction was evaluated to be secured. This study is expected to be used as basic data in advance if you need to review the effects of nearby structure according to adjacent construction.
Park, Sunjoong,Suh, Minwon,Kim, Kyungmok,Kim, Moohyun,Cho, Hyunjin,Shin, Hongjoo,Seo, Han Gil,Jung, WooChul,Jeon, Duk Young Elsevier 2019 Organic electronics Vol.75 No.-
<P><B>Abstract</B></P> <P>Solution-processable charge injection materials have gathered considerable attention in the field of organic optoelectronics owing to their ability to enhance device efficiency. Of those candidates, polyethylenimine (PEI) polymers have been widely explored, but their effect on the device physics in organic light-emitting diodes (OLEDs) are not completely elucidated yet. In this work, the impact of ZnO:PEI hybrid nanocomposite as an electron injection layer (EIL) of OLEDs on the device performance is investigated. Two different PEIs with the different spatial molecular configuration of the polymer, either linear or branched-type, are employed. Both PEI polymers have the ability to effectively reduce the work-function of ZnO. The ZnO:linear-PEI EIL shows higher device efficiency in comparison to the ZnO:branched-PEI EIL in the charge-balanced OLEDs, whereas the results are opposite in the charge-imbalanced device setup. This is mainly due to the different role required of EIL materials upon different device working mechanisms. This work shows a series of experimental results of the detailed device characteristics using ZnO:PEI hybrid EILs in order to provide a systematic understanding of the device physics by combining two key concepts together; (1) control of the molecular configuration, and (2) charge carrier dynamics.</P> <P><B>Highlights</B></P> <P> <UL> <LI> We investigate ‘device characteristics’ by using two different types of ZnO:PEI (branched PEI (BPEI) or linear PEI (LPEI)) as an electron injection layer (EIL). </LI> <LI> ZnO:LPEI offers better electron injection ability. In contrast, ZnO:BPEI performs better when playing both roles; electron injection and hole blocking. </LI> <LI> ZnO:LPEI shows higher device efficiencies compared to ZnO:BPEI in the charge-balanced OLEDs whereas it is opposite in the charge-imbalanced OLEDs. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>Impact of the spatial configuration of macromolecules of ZnO:polyethyleneimine (PEI) hybrid electron injection materials on OLED device performance is examined.</P> <P>[DISPLAY OMISSION]</P>