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        검색결과 20

        1.
        2023.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        베리류톱밥 발효기간중 톱밥내 온도변화와 발효기간에 따른 흰점박이꽃무지 유충의 발육특성을 조사한 결과 참나무톱밥에 비해 발효속도가 빠르고, 발효기간 50~70일이 유충 발육에 가장 적합하였다. 발효기간중 톱밥내 온도변화는 발효초기에 베리류톱밥이 참나무톱밥이 40℃이하로 경과한데 반하여 베리류톱밥은 60℃ 이상 고온으로 경과되면서 빠르게 발효가 되었고, 60일 이내에 안정화 되었다. 개체사육에서 발효기간별 흰 점박이꽃무지 유충의 총 발육기간은 베리류톱밥은 30일간 발효에서 104.8일로 가장 길고, 유의차가 인정되었으며, 50~90일 발효는 90일 정도로 차이가 없었다. 참나무톱밥도 베리류톱밥과 마찬가지 경향이나, 유충 발육기간이 30일정도 길었다. 유충 령기별 발육기간은 베리류톱밥과 참나무 톱밥에서 차이가 컸고, 유의차가 인정되었다. 톱밥 발효기간에 따른 유충 무게는 베리류톱밥과 참나무톱밥 모두 발효기간이 긴 90일 발효에서 가 장 가볍고, 발효기간 30~70일 발효에서는 차이가 없었다. 생존율은 개체사육에서는 95% 이상으로 발효기간에 따른 차이는 없었으나, 집단사육에 서는 개체사육보다 생존율이 낮고, 발효기간 90일에서 가장 낮았다. 집단사육에서 출하기준인 2.5 g 이상 유충 비율은 베리류톱밥 발효기간 30~70일까지는 85% 정도로 차이가 없었지만, 발효기간 90일에서는 70%로 낮고, 유의차가 인정되었다. 참나무톱밥도 마찬가지 경향이며, 베리 류톱밥에 비해 10%정도 낮았다. 또한, 베리류톱밥은 40~60일이면 유충의 무게가 2.5 g 이상이 되었고, 참나무 발효톱밥은 75~105일이 걸렸다.
        4,000원
        3.
        2022.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study aimed to identify sub-dimensions of the authenticity and fictionality of a brand story and analyze the effects of authenticity and fictionality on customer-based brand equity. Data were obtained from a group of 213 males and females in their 20s and 30s living in Korea using an online survey institute. Results showed that the authenticity and fictionality of a brand story are composed of reality, excitement, exaggeration, fictional symbolism, influence, sincerity, relativeness, mysteriousness, and unreality. Of these, sincerity, excitement, reality, influence, and mysteriousness had significant effects on brand imagery; sincerity particularly exerted a relatively more substantial influence on brand imagery. Also, influence, mysteriousness, excitement, and relativeness impacted performance positively, and exaggeration impacted performance negatively. This indicated that a well-constructed brand story with authenticity and fictionality had a positive impact on the brand image. Excitement, mysteriousness, reality, relativeness, sincerity, and influence of a brand story had significant effects on brand judgement. In contrast, only excitement and influence positively impacted brand feelings, and unreality had a negative impact on feelings. The exciting and influential brand story impacted brand attitude. Also, brand image and attitude positively impacted sharing and purchase intention, while brand performance did not affect recommendation intention. These findings contribute to identifying a brand story’s attributes, authenticity, and fictionality and provide insights for marketers on creating brand stories to increase brand image and attitude and to build customer-based brand equity.
        5,800원
        4.
        2022.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        뽕나무, 복분자, 블루베리의 전정 가지 대부분은 버려지고 있다. 따라서, 이들 버려지는 전정 가지를 활용하여 흰점박이꽃무지의 사육 가능 성을 검토하기 위하여 발육 및 산란 특성을 조사하였다. 베리류 발효톱밥을 먹인 흰점박이꽃무지 유충 발육 기간은 뽕나무 발효톱밥 157.3일, 복 분자 발효톱밥 130.3일, 블루베리 발효톱밥은 140일로 참나무 발효톱밥 169.3일에 비하여 짧아지고, 유충 무게가 증가하였으며, 생존율이 높았 다. 흰점박이꽃무지 유충 집단 사육시 2.5 g 이상인 유충 비율은 3종류의 발효톱밥 모두 6주에서 8주사이에 60% 이상인 반면 같은 기간에 참나무 발효톱밥은 10% 이내였고, 10주가 지나야 2.5 g 이상인 유충의 비율이 높아졌다. 흰점박이꽃무지의 평균 산란수는 80개 이상으로 평균 산란기 간은 9주정도 소요되었지만, 개체당 편차가 커서 유의차는 없었다. 3종류의 베리류 발효톱밥은 서로 혼합하여 사용해도 참나무 발효톱밥에 비해 유충 발육속도가 빠르고, 산란수는 차이가 없었다. 따라서, 흰점박이꽃무지를 사육하는데 있어서 베리류 발효톱밥이 참나무 발효톱밥에 비하여 효과적으로 추정된다.
        4,000원
        6.
        2022.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study analyzed the effects of fashion creators’ innovativeness and attractiveness on consumer response and orientation toward a sustainable relationship in personal media. A survey was conducted with consumers aged in their 20s and 30s who had experience in sharing video content or writing comments and participating in fashion creators’ real-time broadcasting of personal media. The results show that the innovativeness of fashion creators was classified into originality, opinion leadership, variety, and adventurous spirit, while attractiveness was classified into physical, social, and professional attractiveness. Consumer responses were classified into either emotional or cognitive responses, and sustainable relationship orientation was classified into communication, sharing, and relationship sustainability. The originality and variety of the fashion creators positively affected the emotional and cognitive responses of consumers. Adventurous spirit positively affected emotional response, whereas opinion leadership positively affected cognitive response. In addition, the social and professional attractiveness of fashion creators positively affected consumers’ emotional and cognitive responses. Emotional and cognitive responses positively affected consumers’ sustainable relationship orientation. The originality and opinion leadership of the fashion creators positively affected the three factors of sustainable relationship orientation, while variety positively affected communication and relationship sustainability. Fashion creators' social and professional attractiveness positively affected the three factors of sustainable relationship orientation, and physical attractiveness positively affected relationship sustainability. The results of this study are expected to provide useful data on the direction of fashion startups using personal media and marketing as well as distribution strategies in the fashion industry.
        6,100원
        7.
        2021.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study analyzed the effects of fashion consumers’ moral identity and empathy propensity on ethical consumption attitude and donation behavior, and the effect of ethical consumption attitude on donation behavior. The survey was conducted on consumers over the 20s who experienced the donation of fashion products, 384 responses were used for data analysis. The result showed that the internality and symbolism of moral identity had a positive effect on ethical consumption attitudes. The all factors of empathy propensity positively affected eco-friendly oriented consumption, and cognitive empathy and social empathy positively affected boycott oriented consumption. The cognitive empathy, social empathy and relational empathy positively affected community oriented consumption and practice oriented consumption. Furthermore, social empathy and relational empathy positively affected recycling oriented consumption. The eco-friendly, boycott, community, and recycling oriented consumption positively affected temporal donation. The all factors of ethical consumption attitude positively affected emotional donation, and eco-friendly, community, recycling, and practice oriented consumption positively affected material donations. The internality and symbolism of moral identity positively affected temporal and emotional donation, and the symbolism except internality positively affected material donation. The cognitive empathy, social empathy and relational empathy positively affected the temporal donation and material donation. In addition, the all factors of empathy propensity positively affected emotional donation. The results of this study will contribute to the ethical product strategy, marketing, and sustainable development of the fashion industry.
        5,700원
        8.
        2020.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Social Network Services (SNS) have become a vital means of shopping, significantly influencing consumers’ purchases of fashion products. The aim of this study was to identify bandwagon consumption among fashion consumers and to analyze the effects of bandwagon consumption on negative emotions, purchase discontinuation, and switching intention. A survey questionnaire was developed, and data were obtained from 285 female consumers in Korea aged in their 20s and 30s who had experienced guilt, regret, or disappointment after purchasing fashion products using SNS during the previous six months. The survey results indicated four different types of bandwagon consumption: intentional, impulsive, unintentional, and planned. The presence of negative emotions such as guilt, disappointment, and regret were affected by different types of bandwagon consumption. Intentional bandwagon consumption only affected guilt, while unintentional bandwagon consumption affected both guilt and disappointment. Impulsive bandwagon consumption affected guilt and regret; however, planned bandwagon consumption only affected regret. Furthermore, negative emotions affected purchase discontinuation and switching intention. Planned bandwagon consumption had an effect on both purchase discontinuation and switching intention, while both impulsive and unintentional bandwagon consumption influenced switching intention only. Intentional bandwagon consumption had no effect on either purchase discontinuation or switching intention. The results of this study indicate that SNS consumers’ bandwagon consumption causes different negative emotions, purchase discontinuation, and switching intention.
        5,100원
        9.
        2019.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 연구에서는 천연헤나 처리 후 펌(permanent wave)을 시술하여 모발의 손상도 및 형태학적 변화에 미치는 영향을 알아보기 위해 실험을 진행하였다. 실험 방법은 아미노산분석, 주사현미경측정에 의한 모발의 두께와 표면관찰, 모발의 컬 형성력과 지속력, 메틸렌블루 염색법, 인장강도와 신장률을 측정하 였으며, 그 결과는 다음과 같다. 아미노산 총량은 천연헤나 처리횟수가 증가할수록 증가하였으며, 모발 보호 효과가 있을 것으로 보인다. 컬 형성력은 대조군에 비해 천연헤나 처리 횟수가 증가할수록 컬은 탄력이 있었다. 지속력은 대조군과 실험군 모두 샴푸 횟수가 많을수록 Ⓒ와 Ⓒ’ 길이의 늘어짐이 증가하여 지속력이 감소하였으며, 주사전자현미경에 의한 모발의 두께는 대조군(Control)에 비해 실험군 모두 천연헤나처리 후 모발의 두께가 굵어졌다. 표면의 형태적 관찰에서는 실험군 모두 모발의 표면이 대체적으로 깨끗하고 큐티클 층이 잘 정돈되어 있음을 확인하였다. 또한 메틸렌블루염색법에서는 천연헤나처리 횟수가 증가 할수록 흡광도 값은 증가하였다. 인장강도는 대조군에 비해 실험군 모두 인장강도가 감소하였으며, 신장률은 천연 헤나 처리횟수가 증가할수록 실험군의 신장률이 증가하였다. 이상의 결과를 종합하면 천연헤나 처리횟수가 증가할수록 모발의 두께가 굵어졌고, 모발의 컬 형성력과 지속력이 높아졌으며, 모발에 탄력성과 유연성을 부여함으로서 모발 손상을 완화 시킬 수 있음을 알 수 있었다. 따라서 본 연구의 천연헤나 시술법 은 염색과 펌의 잦은 화학시술로 인한 고객의 손상된 모발을 관리하고, 미용산업 현장에 올바른 시술방법 제안으로 두피와 모발손상을 줄이는데 기초자료로 도움이 될 수 있을 것이다.
        4,800원
        10.
        2018.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Pigs are considered as optimal donor animal for the successful xenotransplantation. To increase the possibility of clinical application, genetic modification to increase compatibility with human is an important and essential process. Genetic modification technique has been developed and improved to produce genetically modified pigs rapidly. CRISPR/Cas9 system is widely used in various fields including the production of transgenic animals and also can be enable multiple gene modifications. In this study, we developed new gene targeting vector and enrichment system for the rapid and efficient selection of genetically modified cells. We conducted co-transfection with two targeting vectors for simultaneous inactivation of two genes and enrichment of the genetically modified cells using MACS. After this efficient enrichment, genotypic analysis of each colony showed that colonies which have genetic modifications on both genes were confirmed with high efficiency. Somatic cell nuclear transfer was conducted with established donor cells and genetically modified pigs were successfully produced. Genotypic and phenotypic analysis of generated pigs showed identical genotypes with donor cells and no surface expression of α-Gal and HD antigens. Furthermore, functional analysis using pooled human serum revealed dramatically reduction of human natural antibody (IgG and IgM) binding level and natural antibody-mediated cytotoxicity. In conclusion, the constructed vector and enrichment system using MACS used in this study is efficient and useful to generate genetically modified donor cells with multiple genetic alterations and lead to an efficient production of genetically modified pigs.
        4,000원
        11.
        2017.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study identified fashion consumers disposal behavior and analyzed the effects of consumers pursuing values in disposal, environmental awareness, and sustainable fashion consumption attitudes in regards to fashion disposal behavior. A survey questionnaire was developed and data were obtained from 460 consumers in their 20's to 50's in Korea who had experienced fashion disposal behaviors during last 12 months. As a result, there were four different fashion disposal behaviors such as economical, practical, and social disposal as well as hoarding behaviors. Consumers pursuing values in disposal affected fashion disposal behavior. Practical and economical values had positively impacted economical disposal and hoarding behaviors. While hedonic value had a negative impact on economical disposal behavior, it had a positive impact on social disposal behavior. Also, environmental-social values had positively impacted practical and social disposal behaviors. Fashion-related environmental knowledge had positively impacted economical and practical disposal behaviors and PCE affected social disposal behavior, while environmental concerns had a negative impact on economical disposal behavior. Consumers attitude toward usedfashion items, fashion recycling, and fashion innovativeness affected all of fashion disposal behaviors. Although hoarding behavior has been an under researched area, the finding implied that hoarding behavior was affected by consumer's pursuing value in disposal and sustainable consumption attitude. Also, environmental-social values and attitudes toward used-fashion items would induce practical disposal behavior such as reuse by alteration or reform. Consumers economical and hedonic values can promote donations or exchange/resale of unwanted fashion items, which can lead to sustainable consumption.
        5,100원
        12.
        2016.04 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study analyzed the effects of organizational culture on psychological empowerment and organization efficiency, and the effects of psychological empowerment on organization efficiency in fashion companies. In addition, this study analyzed the differences between organizational culture, psychological empowerment and organization efficiency across demographic characteristics. The survey was conducted among employees of fashion companies, and 320 responses were used in the data analysis. As a result, the group culture and innovative culture in fashion companies positively influenced the competence and meaning of psychological empowerment. An innovative culture and rational culture positively influenced the self-determination, and the group culture and rational culture positively influenced the impact of psychological empowerment. The group culture, innovative culture, and rational culture of fashion companies positively influenced job satisfaction, and the group culture, innovative culture, and hierarchical culture positively influenced job commitment. The group culture and innovative culture negatively influenced the turnover intention, but the hierarchical culture positively influenced the turnover intention. In addition, the psychological empowerment (competence, self-determination, impact, and meaning) positively influenced job satisfaction, and the competence, self-determination, and impact positively influenced job commitment. Competence negatively influenced the turnover intention, but the impact positively influenced the turnover intention. There was a difference in the group culture and turnover intention by ages, as well as a difference in the hierarchical culture and self-determination by work departments. The results of this study will be helpful for the establishment of the management and business strategies in fashion companies.
        5,500원
        13.
        2015.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        We report a synthesis of non-toxic InP nanocrystals using non-pyrolytic precursors instead of pyrolytic and unstable tris(trimethylsilyl)phosphine, a popular precursor for synthesis of InP nanocrystals. In this study, InP nanocrystals are successfully synthesized using hexaethyl phosphorous triamide (HPT) and the synthesized InP nanocrystals showed a broad and weak photoluminescence (PL) spectrum. As synthesized InP nanocrystals are subjected to further surface modification process to enhance their stability and photoluminescence. Surface modification of InP nanocrystals is done at 230°C using 1-dodecanethiol, zinc acetate and fatty acid as sources of ZnS shell. After surface modification, the synthesized InP/ZnS nanocrystals show intense PL spectra centered at the emission wavelength 612 nm through 633 nm. The synthesized InP/ZnS core/shell structure is confirmed with X-ray diffraction (XRD) and Inductively Coupled Plasma - Atomic Emission Spectrometer (ICP-AES). After surface modification, InP/ZnS nanocrystals having narrow particle size distribution are observed by Field Emission Transmission Electron Microscope (FE-TEM). In contrast to uncapped InP nanocrystals, InP/ZnS nanocrystals treated with a newly developed surface modified procedure show highly enhanced PL spectra with quantum yield of 47%.
        4,000원
        14.
        2015.10 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study analyzed the effects of consumers’sense of community regarding outdoor brands on behavioral commitment, purchasing satisfaction, and repurchasing intention and analyzed the effects of behavioral commitment and purchasing satisfaction on repurchasing intention. Additionally, this study analyzed the differences in sense of community, behavioral commitment, purchasing satisfaction, and repurchasing intention according to the types of outdoor consumers’consumption values. A survey was conducted from July 20th to 30th, 2015, and 527 responses were used for the analysis. The results of this study are as follows. First, consumers’sense of community regarding outdoor brands was classified into mutual influences, sufficiency necessity, emotional connectedness, and sense of belonging. Second, outdoor consumers’sense of community had positive impacts on behavioral commitment, purchasing satisfaction and repurchasing intention. Third, outdoor consumers’behavioral commitment and purchasing satisfaction had positive impacts on repurchasing intention. Fourth, there were differences in the outdoor consumers’sense of community, behavioral commitment, purchasing satisfaction, and repurchasing intention according to the types of consumption values. Therefore, outdoor brands can strengthen the relationship with customers considering values and behavior, suggesting the need for a strategy that promotes consumers’sense of community with sustainable management activities that save the environment and local community.
        4,900원
        15.
        2009.12 구독 인증기관 무료, 개인회원 유료
        The mechanisms underlying the actions of the antioxidants upon reactive oxygen species (ROS) generation by NADPH oxidase complex have remained uncertain. In this study, we investigated NADPH oxidase activity and the role of antioxidant enzymes upon the generation of ROS during hypoxic stress. ROS generation was found to increase in the mouse kidney under hypoxic stress in a time-dependent manner. Moreover, we found in MCT cells that hypoxia-induced hydrogen peroxide production was decreased by NAC pretreatment. We further analyzed HIF-1α, PHD2 and VHL expression in the NAC-pretreated MCT cells and assessed the response of antioxidant enzymes at the transcriptional and translational levels. SOD3 and Prdx2 were significantly increased during hypoxia in the mouse kidney. We also confirmed in hypoxic Prdx2-l- and SOD3 transgenic mice that erythropoietin (EPO) is transcriptionally regulated by HIF-1α. In addition, although EPO protein was found to be expressed in a HIF-1α independent manner in three mouse lines, its activity differed markedly between normal and Prdx2-l-/SOD3 transgenic mice during hypoxic stress. In conclusion, our current results indicate that NADPH oxidase-mediated ROS generation is associated with hypoxic stress in the mouse kidney and that SOD3 and Prdx2 cooperate to regulate cellular redox reactions during hypoxia.
        4,000원
        18.
        2019.07 KCI 등재 서비스 종료(열람 제한)
        한국 전통 목조 건축물의 경우 구조적 성능은 재료 특성, 접합부의 형태, 치목의 정밀도 등에 따라 다르게 나타난다. 기존 사례 연구에서도 보와 기둥 접합부 형태는 변형 및 간격의 정도에 큰 영향을 미친다는 것을 보고하고 있다. 이는 단층 건물뿐만 아니라 대규모 다층 건물의 경우에도 마찬가지로 나타나고 있다. 따라서 본 연구에서는 접합부 형태에 대해 분석하고 모형을 제작하고 구조적 성능을 테스트하는 과정을 거쳤다. 그 결과, 주먹장맞춤의 실험체에서 최대 하중을 나타냈다. 각각의 형태의 접합부에 의한 구조적 성능을 종합하면, 도래걷이 주먹장 맞춤이 가장 높은 성능을 나타내었으며, 다음으로 도래걷이 장부맞춤의 순으로 나타났다. 건물의 구조적 성능은 관통하는 보의 치목 형태와 기둥 내부의 접합부 형테에 따라 다르게 나타남을 알 수 있었으며, 이는 다층 건물의 신축 또는 복원을 위해 고려되어야하며 이후 계속 연구되어야 할것으로 사료된다.
        19.
        2015.04 서비스 종료(열람 제한)
        Because aging sewer on the ground due to cavitation are a lot of social problems occur, the existing aging pipes are to be replaced. But is not easy to accurately detect the aging water and sewage pipes. In this research, we present a technique that can detect defective sewerage pipes used in GPR through Test-bed, which can be used as urban planning resources for water supply and drainage pipes replaced.