Consumers have been exposed to instances of celebrity domestic violence stories through the news, social media and online gossip media. Past studies showed that consumers have a tendency to overlook or even forgive the male celebrity’s violence behavior, and the celebrity appears to continue success in his career. Guided by attribution theory, this study investigates consumers' attribution and their consequent forgiveness or blame of the male celebrity’s violence behavior on his intimate partner. This study also takes into account celebrity past violent histories and philanthropy histories, as well as consumer individual differences (online media use and individual traits). The study employed a 2 (violence history: high vs. low) x 2 (Philanthropy history: high vs. low) between-subject, posttest-only design. 200 men and 200 women who lived in the US were recruited via Amazon Mechanic Turk to take part in the online study. The results support the proposed theoretical explanation. That is, consumers use a celebrity’s past histories as a cue to assign dispositional or situational attribution to the violent behavior and then blame or forgive the celebrity. The results also demonstrate that Facebook use and gossip site visits facilitate situational attribution, which has a significant positive influence on forgiveness. Implications for future research and suggestions for practice in public policy and marketing are discussed.

Through the theoretical lens of self-concept and by conducting 27 in-depth interviews, the study shows that social media provides an arena for the development, negotiation and maintenance of home and host identity self-schemas, as well reducing negative emotional effects. However due to simultaneous online surveillance from multiple agents, maintaining disparate expectations is found to result in social anxiety and the practice of self-regulation.

The aim of this paper is to investigate, through a content analysis, the communication strategies used by luxury fashion brands on Twitter and the related Twitter eWOM, with the purpose to identify brand associations compared to luxury dimensions considered in literature (De Barnier et al. 2012; Godey et al. 2014). Within the luxury fashion environment, where every detail is meaningful and, consequently, every single word matters, this study attempts to provide a contribution into the field of luxury advertising, by comparing semantic fields of words chosen by digital fashion marketers and by popular fashion bloggers to the dimensions that define the luxury construct in luxury literature.

Social media was originally based on the ideological and technological foundations of Web 2.0 and is described as “user-generated content” (Kaplan & Haenlein, 2010). Although initially used for communication among internet users for privacy, it has become one of the most powerful online networking tools, and in the last few years has been widely practiced in the real world to enhance relationships between businesses and customers. Virtual tourist communities are not a new concept; they have been used for more than 10 years by tourists to exchange opinions and experiences of certain travel destinations. In tourism, internet based social communities have greatly expanded recently as a result of Web 2.0 technologies’ development. Tourists use the Internet to obtain information on trips, and share experiences related to their trip before, during and after their vacation (Parra-Lopez et al., 2011). Therefore, behaviors such as sharing photos and videos, writing travel experiences in blogs and microblogs, ranking travel destinations and posting opinions on social forums (for example, TripAdvisor) are becoming generalized (Chung & Buhalis, 2008) into what has been called Travel 2.0 (Adam, et al., 2007). The purpose and importance of this study is to explore how tourists perceive the value of social media as practiced in the tourism industry. We also investigate travel agencies’ social media marketing activities, and how tourists’ perceived value of social media affects their intention to use social media for organizing their vacation. Conceptual foundations Perceived value of using social media in tourism Perceived value is treated as a major element in a number of tourism research papers (for example, Parasuraman & Grewal, 2000; Sweeny & Soutar, 2001; Jin et al. 2015). As Parra-Lopez et al. (2011, pp.641) said, “the identification of the types of customer value perceived by travelers using social media for trip planning purposes is very essential, because it can provide significant guidelines on how to design the information sources, the structure and the functionality of social media in order to enhance their web traffic, usage and competiveness”. Realizing the essential role of social media in the tourist industry, and clarifying how to measure the perceived value of using social media is required. Because perceived value is defined as ‘cognitive-affective evaluation’ in this study, we employ both cognitive and affective variables to measure the perceived value of using social mediato organize vacations. This study applies four dimensions – ‘functional’, ‘social’, ‘altruism’ and ‘trust’ from Parra-Lopez et al.’s (2011) study - to measure the value that travelers perceive from using social media to organize their vacations. Because both cognitive and affective value are used to evaluate a product or service during the purchasing process (Bajs, 2015), it seems reasonable to assume that ‘function’, ‘social’, ‘altruism’, and ‘trust’ are regarded as essential when measuring the perceived value of using social media to organize vacations. Such propositions and findings provide valuable insights that enable us to introduce our Hypothesis 1. H1: ‘Functional’, ‘Social’, ‘Altruism’ and ‘Trust’ are the dominant dimensions in the perceived value of using social media in organizing vacations. The inter-relationship of attitudes towards social media marketing activities and the perceived value and intention of using social media to organize vacations Social media is seen as one of the most powerful communication tools, and social media marketing (referred to henceforth as ‘SMM’) is used by business companies to build and maintain relationships with their customers in various fields (Kim & Ko, 2012). In previous studies, such as Kim and Ko (2012) as well as Teo and Tan (2002), it has been claimed that customers’ attitudes towards SMM activities affect brand equity. This conclusion is also supported by Chan and Guillet’s (2011) study, which shows the important role of SMM in the hospitality industry. Nowadays, most travel agencies in Japan have created their social communities aiming to enhance their relationship with customers and promote their travel products. Aker and Topcu (2011) suggest that attitude greatly affects people’s purchase intention and behavior. Moreover, the wide acceptance of SMM also means that a positive attitude towards SMM affects the perceived value of social media. It has been clarified that perceived value is positive when the benefits are greater than the sacrifices (Zeithaml, 1988). As more and more tourists rely on social media to enhance their vacations, this suggests that the perceived benefit of social media is greater than the sacrifice, and therefore its perceived value positively affects the behavior intention of tourists who use social media to organize vacations. This academic background leads us to Hypothesis 2. H2: Both direct effect (i.e. attitude towards SMM activities→Intention) and indirect effect (i.e. attitude towards SMM activities→ Perceived value→Intention) will provide a good explanation of tourists’ intention of using social media to organize vacations. Methodology Proposed conceptual model Based on the theoretical background, this study proposes a conceptual model (see Figure 1) to show the inter-relationship of ‘attitudes towards SMM activities’, ‘perceived value’ and ‘behavior intention’. Figure 1: Conceptual Model Measurement This study involves items which have been used in past research. All items were developed based on the 7-point Likert-type scale ranging from ‘strongly agree’ to ‘strongly disagree’ (see Table 1).Data collection The empirical data for this study was collected by an online survey conducted by one of the biggest research companies in Japan from March 13th to March 16th, 2015. A screening test was conducted to select suitable respondents with experience of using social media to organize their vacation and had accessed or used travel agencies’ social media, such as Facebook, Blog, and Twitter. Finally, due to the limited research budget, 622 valid samples were collected to be used in analysing the conceptual model. Data analysis results As all items presented in this study are cited from past research, we employed second-order confirmatory factor analysis (CFA) directly to explore the dominant dimensions of the perceived value of using social media to organize vacations (H1), and covariance structure analysis to investigate the inter-relationship among attitudes towards SMM activities, perceived value and behavior intention (H2). The results of data analysis are shown below (see Figure 2&3). Conclusions and managerial implications Based on the results reported in the present study, ‘functional’, ‘social’, ‘altruism’ and ‘trust’ are shown as dominant dimensions of perceived value in social media literature, thus supporting hypothesis 1. However, these four dimensions play different roles in perceived value. Compared with other dimensions, ‘altruism’ appears to be more essential. This result can be explained by the usage of social media. Tourists tend to share their experiences, opinions, photos and videos about certain travel destinations in what is called ‘altruism dimensions’. These tourists’ behavior is not for the benefit of others but for self-satisfaction (Baym, 2010) and is believed to be the most important incentive for using social media. Concerning the inter-relationship of attitudes towards SMM, perceived value and the intention of using social media to organize a vacation, contrary to our hypothesis, tourists’ attitudes towards SMM activities conducted by travel agencies do not seem to affect their behavior intention of using social media to organize their vacation (.05). The perceived value of social media seems to play a significant mediating role between attitudes towards SMM and behavior intention. In other words, the indirect influence (.585) through perceived value is greater than the direct influence (.05) of attitudes toward SMM on behavior intention. This result implies that travel agency managers should know how to increase the perceived value of social media, instead of only attempting to enhance SMM activities. Limitations Social media’s commodification in Japan is still a new concept, and for Japanese tourists, the practice of social media in the tourist industry is relatively novel. In other words, social media’s commodification has not been developed enough in Japan. Thus, the results gained from the empirical study should be compared in the countries where social media is more developed.

This study investigates whether goods and service brands have different social media strategy to develop relationships with consumers. A content analysis of 10,752 brand posts on Facebook, Twitter, and YouTube accounts of 10 Indonesian leading brands finds that goods and service brands have different strategies in utilizing their social media.

With its fast growing economy and huge population, China has become one of the most lucrative markets for luxury brands (Zhan and He 2012). In fact, China has surpassed Japan and become the No.1 luxury products spender in the world, accounting more than one-quarter of the global luxury brand expenditure (Artsmon et al. 2012). Chinese middle-class consumers thus have become important targets of luxury brands (Zhan and He 2012). However, China’s culture is different from Western cultures (Li, Li and Kambelle 2012), and Chinese luxury consumers have their distinctive characteristics (Buchwald, 2015). Therefore, Chinese luxury consumption may not follow the trends of Western world (Li, Li and Kambelle 2012). Previous studies have explored Chinese luxury consumers’ perceptions and receptivity of luxury brands in different cultural contexts (Bian and Forsythe 2012; Wang, Sun and Song 2011; Zhan and He 2012; Wang, Sun and Song 2011; Li, Li and Kanbelle 2012; Oswald 2010, Li and Su 2007; Wang and Ahuvia 1998). However, all those studies have only investigated luxury brands’ marketing strategies in traditional offline worlds. With the emergence of digital technology, luxury brands have started building presence in online world through different digital marketing strategies (Okonkwo 2009). Among all the digital marketing tools, social media marketing has become an increasingly important marketing communication weapon (Kim and Ko, 2012). While the luxury brands have widely accepted social media marketing, the academic research largely lags behind, Only limited number of studies have examined luxury brands’ social media marketing strategies (Tynan, McKechnie, and Chhoun, 2010; Kim and Ko, 2012). No study, to the authors’ knowledge, has been conducted to investigate luxury brands’ social media marketing strategies in connecting with Chinese consumers. In addition, previous studies on luxury brands marketing have conducted either quantitatively (Bian and Forsythe 2012; Wang, Sun and Song 2011; Zhan and He 2012; Wang, Sun and Song 2011; Li, Li and Kanbelle 2012) or qualitatively (Oswald 2010, Li and Su 2007; Wang and Ahuvia 1998) from either consumers’ or marketer’s perspective. In order to fill the research gaps, the current study is designed to explore the phenomenon with a mixed method by integrating both marketers’ social media marketing strategies and consumers’ interpretation of those marketers’ social media marketing in the contextof China. Specifically, a quantitative content analysis was conducted to examine marketers’ social media marketing strategies on a Chinese social media platform: WeChat; in the meanwhile, a qualitative study was conducted to explore Chinese female affluent consumers’ interpretations of those social media strategies transmitted via WeChat. Based on the research purpose, two overarching research questions were proposed: R1: Do Western luxury brand use social media platform of WeChat to build social presence, create self-presentation or interact with consumers? R2: What are Chinese female affluent consumers’ perceptions and interpretations of luxury brands’ social media marketing communication strategies via WeChat? Methodology The current study used a mixed methodological approach (Creswell 2014). Specifically, a quantitative content analysis (Krippendorff 2012) and a phenomenological study (Creswell 2012) were conducted to investigate luxury brands’ social media marketing communication strategies via WeChat and Chinese female affluent consumers’ perception toward those marketing communication strategies. Initial Findings Study 1 So far, 50% (N = 60) of the sample was analyzed. RQ1 asked about the luxury brands’ marketing communication strategies. The initial frequencies of each coded variable are reported in Table 1. Table 1. Frequencies of Coded Variables The results showed that more than half of the coded messages had images, showed products/brands in images or videos, provided event, discount and other promotional information, described products’ physical features and attributes, contained celebrities, sought action-based participation, and applied hyperlinks. The initial data suggest that a major use of social media in luxury brand advertising is to build the brand’s social presence by extensively using visuals. Images were found in 44 messages, and 25 of them used 6 or more images. Most of these images showed products or brands. Video also appeared in 14 messages. The initial results also suggest consumer interaction and engagement is restricted to the lowest level. The two major ways of interaction were hyperlinks and action-based participation. A close examination showed that these two were often used together. A hyperlink used anchor text that contained a call for action-based participation, like “read more,” “get the coupon,” etc. A lot of these actions related to consuming content, like reading, downloading or sharing, which is the lowest level of brand related-activeness on branded social media sites (Muntinga, Moorman, and Smit 2011).Additionally, product/brand information and physical features and attributes were frequently mentioned, suggesting that luxury brands use social media for information dissemination. WeChat has a large size of active users, and self-disclosure of information on social media can create a sense of close relationship (Kaplan and Haelein, 2010). High product quality, especially in terms of design and craftsmanship were frequently addressed, suggesting that that social media are used to communicate the nuances of brand’s social meanings. For example, some messages described the conceptualization of the design, the processing of handcrafting, and the meaning of the design, etc. These deeper meaning of a brand is often left out of traditional methods of advertising because of limited space or time. Celebrity was one of the major methods to create social meaning, suggesting that luxury brands use social media to leverage parasocial interaction between celebrities and consumers. Parasocial interaction refers to consumers’ perception of personal relationship with media personalities (Men and Tsai 2013). Among the sample messages, there were interviews with famous designers, advices and recommendations from celebrities about luxury brand and fashion, etc. These messages offer an opportunity for consumers to connect with celebrities, and subsequently, associate luxury brands with these iconic figures (McCraken, 1989). All in all, Western luxury brands largely use social media to build social presence, disseminate information, and communicate brand’s social meanings. Luxury brands frequently interact with audiences on social media but the level of consumer engagement is restricted. Study 2 The participants’ interpretations of WeChat provide a unique context and form a crucial referential framework for them to interpret luxury brands’ marketing communications on this particular social media platform. Specifically, the themes that emerged regarding those Chinese female affluent consumers’ perceptions of the social medium are an intimate friend vs. an everyday assistant, simple vs. complicated, and stickiness vs. interactivity; and, the themes regarding the participants’ interpretation of luxury brands’ marketing communications include inactive, conservative, and distance. Based on their own experiences of social media marketing and from consumers’ perspectives, the participants also provided insightful suggestions for luxury brands to improve their social media marketing to better connect with their consumers. Interpretation of WeChat An Intimate Friend vs. An Everyday Assistant According to the participants, their usage and composition of friends on WeChat has kept changing and evolving. At the initial stage of their usage, all the friends on WeChat were family members and close friends. At that time, WeChat constructed a small, closed, and intimate social circle for them to communicate, socialize, and entertain themselves and their WeChat friends in a carefree and relaxing way. In this sense, WeChat is like a good friend, who can accompany them and chat with them whenever they need him/her. Later, with the number of WeChat friends increasing and expanding, the composition of theirWeChat friends has also become complicated: different social relationships have been added to their WeChat friend list. Accordingly, based on the closeness and remoteness, they categorize their WeChat friends and communicate and socialize with them in a more cautious and delicate way. In this sense, WeChat has also changed to an office assistant who helps them to manage and maintain their social relationships. Simple vs. Complicated With the change of WeChat and the revolution of participants’ usage and experiences, in the life-worlds of the participants, WeChat has transformed from a simple chatting app to a multi-functional personal service hub. At the initial usage of stage, according to the participants, the major function of WeChat is a chatting app to communicate with their friends conveniently. Later, with more functions to be added to WeChat, WeChat has evolved to a complicated personal service hub to serve various personal and commercial purposes for the participants. Stickiness vs. Interactivity According to the participants, WeChat is a unique social media platform with high stickiness but low interactivity. The participants indicated that they use WeChat all the time, and they have to check their WeChat numerous times during a day. In other words, WeChat is considered as a high frequency social media app. In the meantime, the participants felt that WeChat is lacking interactivity when comparing to other social media platforms such as microblogging. They stated that the possible interactive activities on WeChat are very limited. In other words, in the life-world of the participants, WeChat is perceived as a less reciprocative social media platform. Interpretation of Luxury Brands’ Marketing Communication on WeChat Inactive According to the participants, the luxury brands’ WeChat public accounts are less active than other brands’ public accounts. Those luxury brands’ WeChat public accounts post information less frequently and seldom interact with followers. This is actually put those luxury brands in a relatively negative marketing position on WeChat. The participants indicated that they follow many public accounts. Because the luxury brands’ public accounts are not very active, without constant reminder, the followers may gradually forget about those luxury brands’ public accounts and stop checking their accounts’ updates. Conservative In addition to be seen as inactive, the luxury brands’ WeChat public accounts are also perceived to be conservative. According to the participants, compared to other brands, luxury brands’ WeChat public accounts are too serious, less interesting, and lacking entertainment. The participants felt that the luxury brands are very cautious and careful regarding their WeChat presence. Therefore, their WeChat posts are generally too conservative and formal, lacking creativity and uniqueness. As a result, the participants couldn’t remember any impressive and unforgettable post from those luxury brands’ WeChat public accounts.Distance In the participants’ eyes, the luxury brands are perceived to intentionally keep a certain distance from WeChat users. The participants felt that on the one hand the luxury brands are trying hard to connect with their consumers on social media, on the other hand, they are also trying to preserve their luxury brand image on this media platform by alienating general WeChat users. However, the participants felt it is not easy for luxury brands to achieve those two purposes successfully on WeChat. Suggestion of Luxury Brands’ Marketing Communication on WeChat Based on their perceptions and experiences of luxury brands’ social media marketing, the participants offered several insightful suggestions for luxury brands to improve their social marketing endeavors to better connect with their consumers. According to the participants, the most important marketing communication strategy via social media that luxury brands could adopt is to collaborate with opinion leaders (Katz and Lazarsfeld 1957) on social media to humanize, personalize, and entertainize their marketing communications. As the participants indicated, there are many successful and popular personal fashion public accounts on WeChat which have millions of loyal followers. Those personal fashion public accounts usually have unique styles and characteristics that are attractive to and well-liked by their followers. Compared to luxury brands’ official public accounts, those personal public accounts are perceived more humanized, personal, and closer to consumers. In addition, those accounts also have more flexibility to be creative and entertaining thus providing a better social media experience for luxury brands’ consumers. For luxury brands’ own public accounts on social media, the participants suggested that those luxury brands should become more active on social media by posting messages more frequently and constantly reminding consumers of their social presence. In addition, the participants think those luxury brands should be more adventurous on social media by being more creative and expressing more entertaining spirit.

As consumers take greater control over products and brands they consume, electronic word-of-mouth (eWOM) and user-generated content (UGC) are now being considered as one of the most critical product sources for consumers. Most notable in recent years has been the widespread emergence of eWOM in social media. The proliferation of a variety of social networking sites (SNSs), propelled by the development of mobile technologies (e.g., smartphones), has allowed consumers to share, more quickly and easily than ever before, product information, reviews, and consumption experiences. Perhaps one of the newest and most effective ways to communicate brand information and experiences in digital environments is the ‘brand-selfie.’ Every day, millions of selfies (i.e., a photograph that one has taken of oneself, typically with a smartphone or webcam and shared via social media) are taken and then posted on a variety of SNSs all over the world, providing people the opportunity to show multiple facets of the self (Bazarova et al., 2013). Further, there are consumers who voluntarily post selfies with brands/products they possess (so called brand-selfies) and brand-related hashtags (e.g., your #brand). Through brand-selfies, consumers not only express themselves by connecting with and extending through brands, but also influence peer consumers’ brand attitudes and purchase decisions by sharing brand information. In order to better understand how the selfie can succeed on SNSs as a new form of eWOM, in the present study, we attempt to identify key predictive variables that may lead consumers to post brand-selfies and engage eWOM in social media. We do so by comparing how such variables differ between those who post brand-selfies and those who do not. Specifically, this study examines whether brand-selfie-posting behavior is influenced by two individual difference factors (i.e., narcissism and materialism), and whether it is associated with consumers’ beliefs that SNSs are brand/product information sources. Using a survey administered by an online panel, a total of 305 participants who had had the experience of taking and posting selfies on SNSs participated. Discriminant analysis identified the characteristics of consumers who post brand-selfies, and those who do not. Findings suggest that narcissism, materialism, and belief that SNSs are a brand/productinformation source are significant factors in stimulating SNS users’ brand-selfie posting behaviors, and that they could be used to differentiate between brand-selfie posters and no-brand-selfie posters. Of these factors, consumers’ perceptions of SNSs as a source of brand/product information best predicted brand-selfie posting behaviors, followed by materialism and narcissism. Areas for future research are discussed.

식품에서 대장균군을 효율적으로 분리하기 위해 대장균군 선택배지 5종: Chromocult Chromocult coliform agar (Merck), Hicrome coliform agar (Sigma), CHROMagar ECC, Brilliance E.coli/coliform medium (OXOID), endo agar (Merck)을 선별하여 식품 분리 대장균군 83종 및 표준균주 21종에 대해서 민감도와 특이도를 분석한 결과 Chromocult coliform agar와 HICrome coliform agar에서 94%도 민감도가 가장 높았으며, Brilliance E.coli/coliform medium는 93%, CHROMagar ECC는 92%, ENDO agar는 74%의 민감도를 나타냈다. Chromocult coliform agar와 HICrome coliform agar는 대장균군의 회수율도 높았다. 그러므로 Chromocult coliform agar와 HICrome coliform agar는 대장균군을 분리하는데 가장 효율적인 배지로 생각된다.

본 연구에서는 소셜미디어 콘텐츠를 소프트웨어 시스템을 이용하거나 정성적으로 분석함으로써 L-글루타민산나트륨에 대한 소비자 인식도를 조사하고자 하였다. 첫 번째로, 1년 (2013.7~2014.6)의 기간 동안 네이버와 카페에서 작성된 글들을 수집하였으며, 수집한 문서들을 무료 텍스트 분석 소프트웨어인 TONK를 사용하여 분석하였다. 블로그와 카페에서 작성된 글들은 주로 L-글루타민산나트륨의 사용과 관련된 음식점 후기 및 MSG (L-글루타민산나트륨)-무첨가 제품에 대한 홍보 내용을 담은 글들로 파악되었으며, 기타 L-글루타민산나트륨의 안전성 또는 식품첨가물 제거법에 대한 내용으로 파악되었다. 두 번째로, 네이버 트렌드 검색 서비스를 이용하여 L-글루타민산나트륨에 대한 검색량 증가 구간에 발생한 언론보도 사건을 조사하였다. PC 검색량의 경우 총 5개 증가 구간 중 3개의 구간에서, 모바일 검색량의 총 9개 증가 구간 중 6개의 구간에서 시사 프로그램에서 L-글루타민산나트륨에 대해 보도한 것으로 나타났다. 나머지 구간에서는 일간지나 TV 뉴스로 기사를 보도한 구간들로 나타났다. 세 번째로 식품의약품안전처의 L-글루타민산나트륨의 안전성 발표를 보도한 연합뉴스의 댓글을 분석하였다. 공감수 100개 이상인 댓글의 내용을 분석한 결과, L-글루타민산나트륨의 안전성, 질 낮은 재료의 사용 지적, MSG (L-글루타민산나트륨) 과다사용에 대한 우려, 정부 불신을 표현하는 댓글들이 파악되었다. 시판 제품들의 표시사항을 분석한 결과, 일일섭취허용량을 설정할 필요가 없을 정도로 안전한 식품첨가물임에도 불구하고 L-글루타민산나트륨을 첨가하지 않은 제품들은 L-글루타민산나트륨 무첨가라는 표시를 강조하고 있는 것으로 조사되었다. 이는 국가기관, 교육청과 지방자치단체에서 MSG 미사용을 원칙으로 제도를 운용하고 있어 이러한 정책이 산업계와 소비자 인식에 영향을 미쳤을 가능성도 고려해볼 수 있다. 본 연구 결과 소비자들은 대체로 소셜 미디어를 이용하여 검색하거나 관련 제품을 구매하고자 할 때 L-글루타민산나트륨을 사용하지 않는 것이 좋다는 인식을 하게 될 가능성이 있는 것으로 파악되며, L-글루타민산나트륨의 과다 사용에 관심이 있는 것으로 나타났다. TV 시사 프로그램에서 방송하거나 일간지 또는 TV 뉴스에서 기사를 보도할 경우 네이버 검색량이 증가하였으며, 검색량 증가구간은 PC 환경에서보다는 모바일 환경에서 더욱 증가하는 것으로 나타났다. 따라서 L-글루타민산나트륨과 관련한 커뮤니케이션 수단으로 소비자들이 관심있어 하는 방송프로그램, 뉴스 프로그램 등 언론을 활용하고, PC보다는 모바일을 통하여 소비자에게 접근한다면 효과적으로 소비자에게 정보를 전달할 수 있을 것이다.

The multi-layer combination provides a very narrow pore size distribution in a specific pore size range. By utilizing the multi-layer design equations developed for each individual layer of known pore properties, it is possible to design the multi-layer microfiltration media precisely to a tailor pore size distribution.

칠보치마(Metanarthecium Iuteoviride Maxim)는 환경부 에서 멸종위기 야생생물Ⅱ급으로 지정되어 있으며 개체수 증대 및 자생지 보존을 위한 관리방안 마련이 시급한 종이 다. 따라서 본 연구는 칠보치마 발아 조건 및 적정 배지조건 구명으로 조직배양을 통한 대량증식 방법을 개발하는데 목 적이 있다. 종자의 기내발아 조건을 구명하기위해 NaOCl 0.25%, 0.5% 용액에서 Vortex를 이용하여 10, 15, 20 min 동안 소독 후 MS배지에 치상하였고, 저온처리 기간에 따른 발아율 변화를 조사하기 위해 MS배지에 치상한 종자를 7 일 간격으로 7주까지 4℃에 처리 후 발아율을 조사하였다. 배지의 종류에 따른 유묘의 생육변화를 관찰하기 위해 MS 기본배지와 MES를 첨가한 MS, AS, B5, BDS, LMWP, SH, White 배지별로 사용하였고, 활성탄 처리 유무에 따른 생육변화를 관찰하기 위해 LMWP 기본배지에 활성탄 1.0 g/L를 첨가하여 비교하였다. 발근유도는 IBA 0.5 mg/L, 1.0 mg/L, 2.0 mg/L를 농도별 단용처리 하여 배지를 조성하였 다. 기본배지는 sucrose 30 g/L 와 gelrite 2.3 g/L를 첨가하 여 pH는 5.8으로 조정하였고, 25±1℃, 81 μmol/㎡S의 광 조건 하에서 16시간 일장처리하여 130일이 경과 된 후에 생육상태를 조사하였다. NaOCl 처리결과 0.25% NaOCl을 15분 동안 종자소독을 한 후 30.0±10.0%로 발아율이 가장 높았다. 저온처리에 따른 종자 발아율은 6주간 저온처리를 한 경우 100.0%로 가장 높았으며, 저온처리 3주 이상 실시 할 경우 종자의 70.0%가 발아하였다. 칠보치마의 종자 발아 에는 3주이상의 저온 처리가 필요한 것으로 판단된다. 배지 종류에 따른 유묘의 Shoots 길이는 LMWP, MS, BDS배지 에서 각각 30.4, 29.6, 24.9 ㎜였고, 뿌리의 길이는 WS, LMWP배지에 60.6, 51.8 ㎜로 가장 양호 한 것으로 나타났 으며 LMWP 배지에서 가장 높은 Shoots의 길이, 발근수, 발근길이, 엽장, 엽폭을 보였다. 활성탄 처리에 따른 식물체 의 유묘생장은 활성탄을 첨가한 처리구보다 처리하지 않은 기본배지에서 뿌리길이가 가장 길었다(67.7 ㎜). 최적의 발 근 조건을 확인하고자 IBA의 농도를 달리하여 실험한 결과, 0.5 mg/L의 IBA가 첨가된 LMWP배지에서 가장 높은 발근 길이를 보였다. 따라서 칠보치마의 종자로부터 기내도입은 0.25% NaOCl에서 15분 소독처리 한 후 3주 이상 4℃ 저온 처리를 하고, 유묘 신장 생장 및 발근은 LMWP배지에 생장 조절제인 IBA 0.5 mg/L를 첨가시키는 것이 가장 효과적인 것으로 판단된다. 본 연구결과는 멸종위기 야생생물Ⅱ급인 칠보치마의 대량증식 및 복원사업의 기초자료로 활용할 것 이다.

본연구는 ‘메르스’에 대한 재난 뉴스 이용매체와 뉴스 이용정도 및 뉴스의 신뢰여부가 미디어 이용자의 인지된 심각성, 취약성, 자기 효능감 및 대처비용에 영향을 미치며 이것을 매개로 하여 최종적으로 개인과 공중의 건강 보호 행위의도에 미치는 영향을 검토한다. 이상의 연구 결과를 종합적으로 보면, SNS와 인터넷뉴스가 TV보다 메르스의 심각성을 지각하게 했지만 메르스에 대한 대처역량을 키우거나 하지는 않았다. 개인과 공중의 보호행위의지에도 영향을 미치지 못하였다. 그러나 메르스에 대한 뉴스 이용정도는 메르스에 대한 취약성과 심각성 지각 뿐 만 아니라 자기효능감과 대처비용의 대처평가에도 영향을 미침으로써 메르스 뉴스 이용정도가 메르스 사태의 본질을 인지하게 하였다. 그리고 개인과 공중의 보호행위의지에 영향을 주었다. 특히 지각된 심각성과 자기효능감을 매개로 하여 개인건강보호행위를 강화하였고 지각된 심각성, 자기효능감, 대처비용에 의해 공중건강보호행위를 강화하였다. 뉴스신뢰도는 자기효능감에만 영향을 미쳐 실제로 메르스 사태를 평가하는데 영향을 미치진 못하였다. 그리고 지각된 심각성과 자기효능감을 매개요인으로 하여 개인보호행위의도를 증진시키는 데 영향을 미쳤지만 공중의 보호행위의지에는 영향을 미치지 못하였다.

본연구는 최근 한국 대중문화를 관통하는 핵심적 키워드 중 하나인 ‘복고’에 주목했다. 급격한 미디어 환경 변화 속에서 세대별 미디어 격차가 정보격차로 이어지고 이것이 세대갈등을 파생시키고 있다고 보고, 한국 사회의 갈등구조 속에서 복고 미디어콘텐츠가 갖는 세대갈등 완화와 사회통합의 가능성을 탐색하고자 tvN 드라마 <응답하라 1994>에 대한 내용분석과 수용자 심층인터뷰를 수행했다. <응답하라 1994>는 미디어, 대중문화, 정치·경제·사회적 사건을 중심으로 다양한 소재와 삽 입곡, 소품을 활용해 ‘1994년, 서울’이라는 특정한 시대적, 공간적 정서로 문화적 향수를 자극하는 한편 다양한 에피소드와 등장인물들의 성찰적 내레이션을 통해 20대의 사랑과 우정 그리고 가족애 등의 보편적 정서를 담았다. 특히 아날로그에서 디지털로의 미디어 환경 변화와 대중문화의 다양성 확대, 우리 사회에 각인된 정치·경제·사회적 사건이 집약된 1990년대의 재현은 단순히 과거를 감상적으로 추억하고 향유하거나 젊은층의 호기심을 충족시키는 차원에 머무르지 않고 해당 시기를 경험한 세대와 그렇지 않은 세대 모두에게 동일한 사회문화적 경험을 제공함으로써 미디어 격차에도 불구하고 상호 이해와 소통을 활성화시키는 촉매제가 될 수 있음을 확인하였다. 다만 1990년대의 정치·경제·사회적 사건을 주변화, 희화화하거나 시련의 극복 과정은 은폐함으로써 현실도피와 힐링의 기제로 활용한 부분은 한계로 남는다.

This study was conducted to evaluate the effects of type of culture media (BM, G2, OS, TCM, and MEM) on B6D2F1 mice oogenesis. In the present study, B6D2F1/CrljOri F1 mice were utilized in order to maximize oogenesis. Also we used TCM-199, Dulbecco's medified Eagle's medium (DMEM), embryo culture medium (Fertilization medium, Cleavage medium, Blastocyst medium), G series medium and One step medium. In vitro maturation was highest in BM followed by the order of OS, MEM, TCM and G2 (90±2.8% > 88±3.2% > 85±4.9% > 78±10.2% > 64±7.7%, respectively). To note, the G2 group was statistically different compared to other groups (p<0.05). On the other hand the fertilization rate was highest in the G2 group followed by BM, OS, TCM, and MEM (87±7.2% > 85±6.9% > 74±14.0% > 71±13.8% > 2±1.4%, respectively). The MEM group was significantly lower compared to other groups (p<0.05). The developmental rate was highest in the OS group followed by the G2 group and the BM group albeit no statistical significance was noted (73±11.6% > 71±9.2% > 66±10.4%). Of note, all cells of the TCM and MEM groups were died during embryonic development. The zona hatched rate (51±9.8% vs. 50±9.1% vs. 47±7.2% for BM, G2, and OS respectively) and attached rate (45±12.3% vs. 38±16.1% vs. 37±11.5% for BM, G2, and OS respectively) were not different amongst groups. No difference was found in total cell numbers (74±13.9 vs. 64±9.2 vs. 76±6.7 for BM, G2, and OS respectively), ICM cell numbers (20±1.9 vs. 14±1.8 vs. 15±2.1), TE cell numbers (55±12.5 vs. 49±10.7 vs. 61±5.9), % ICM (30±2.8% vs. 24±7.0% vs. 22.8±2.2%) and ICM:TE ratio (1:2±0.5 vs. 1:3.1±0.8 vs. 1:3.1 ±0.5) amongst groups. In summary, these results can provide fundamental data to maximize culture condition for in vitro fertilization on B6D2F1 mice.

This experiment was designed to assess the physical and chemical properties of growing media substituted with a range of increasing concentrations of pretreated wood and to relate these properties to plant growth responses. For preparing the growing media, each material was combined with rural soil, peat, perlite and pretreated wood. Physicochemical properties studied were similar to ideal substrate ranges for plant growth on growing media, including pretreated wood. Physical properties were also well maintained over time. In comparison to plants growing in 100% rural soil, tall fescue(Festuca arundinacea) in the prepared growing media achieved better growth, especially when using the 50% rural soil + 50% PPW(peat + perlite + pretreated wood, 3:1:6(w/w/w)) and 30% rural soil + 70% PPW (peat + perlite + pretreated wood, 3:1:6(w/w/w)), and showed improved germination percentage. We confirmed the potential use of growing media, including pretreated wood. Furthermore, our results show a correlation among the physicochemical properties of tall fescue(Festuca arundinacea); physical properties were significantly influenced by germination and aerial parts. The root length of physicochemical properties was correlated with bulk density and organic compound (p<0.01).

The purpose of this study is to examine the different communication messages behind African women’s hairstyles, and to compare young and old African women’s hairstyles. The contents of this research are: the hairstyle as communication media, the types of African women’s hairstyles, and the difference between young and old women’s hairstyles. We used a review of literature and an empirical study as the research methods for this study. For the literature review, we used papers on African hairstyles, and we linked hairstyles to corresponding communication. For the empirical study, we took a database of 240 pictures (120 pictures of young women and 120 pictures of old women) from websites related to African hairstyles and we analyzed the pictures to differentiate between young and old African women’s hairstyles. The results of this study reveal that African women’s hairstyles express messages of power, ceremony, and status and identification communication. Within the 240 pictures, we found out which hairstyles are preferred by young and old women. Young African women prefer long, straight hairstyles and artificial hair (wigs), while old women keep short, natural hairstyles. The result of this research will be useful for understanding African women’s hairstyles as well as contribute to the field of hair design.

Definition 진단 검사용 Gadolinium을 이용한 MR 조영제와 같은 저분자량세포외액 물질은, 인간 배아 또는 태아에 대한 연구가 완전히 진행되지 않아 임산부에 대한 사용이 제한적이다. 표준 MR 조영제는 영장류의 태반을 통과하는 것으로 보고되었고 IV 주입 후 11분 이내에 태아의 방광에서 관찰된다[1]. Gadolinium 조영제는 비슷한 방식으로 태반장벽을 넘어 태아에게 전달되는 것으로 추정된다. Gadolinium 조영제를 수유중인 여성환자의 영상 검사를 위해 사용시 환자와 주치의는 모유를 통해 분비되는 조영제가 유아에게 미치는 잠재적인 유독성에 대하여 고려해야 한다. 문헌에 따르면 Gadolinium에 의한 조영제가 모유로 분비된 물질이 유아의 위장관에서 재흡수 되는 경우는 흔하지 않다고 한다. Gadolinium-Based Contrast Agents pregnantpatients Gadolinium에 의한 MR 조영제가 임상 용량대로 사용될 때 태반을 통해 태아에게 전달된다고 알려져 있으나, 조영물질을 사용했던 임산부들의 통제된 기형변화 연구는 충분하지가 않다. 임신 초기 3개월 단계에서 Gadolinium chelates에 노출된 26명의 여성을 대상으로 한 single cohort 연구에서는 기형변이나 돌연변이가 관찰되지 않았다. breast– feeding mothers 산모에게 IV로 주입된 용량의 0.04% 미만이 처음 24시간 동안 모유를 통해 분비되고, 아이가 먹은 조영제의 1% 미만이 위장관에서 재흡수 되므로 아이가 모유로부터 재흡수 하리라고 예상되는 조영제의 양은 산모에게 IV로 주입된 조영제 사용량의 0.0004% 미만이다. Recommendation 임신 상태환자가 MR 검사를 시행할 때에는, 환자에게 MR 검사 시행시의 장점 및 위험성과 다른 진단 검사로의 대체 가능성 등에 대한 정보를 제공해야 하며, 검사 진행하기를 원하는지에 대해 서류상의 동의서를 제공하는 것을 권고한다. 문헌을 살펴보면, 유아가 먹는 모유에서 분비되는 Gadolinium 조영제의 아주 작은 양이 독성 영향의 원인이 된다고 보고된 예는 없었다[4].. 따라서 Gadolinium 조영 물질을 사용한 후에 모유 수유를 계속하는 것은 산모와유아에게 안전하다는 보고는 신뢰 할 수 있다.

본 연구에서는 소셜미디어 콘텐츠를 소프트웨어 시스템을 이용하거나 정성적으로 분석함으로써 삭카린나트륨에 대한 소비자 인식도를 조사하고자 하였다. 첫 번째로, 1년(2013.7~2014.6)의 기간 동안 네이버와 카페에서 작성된 글들을 수집하였으며, 수집된 글들은 무료 텍스트 분석 소프트웨어인 TONK를 사용하여 분석되었다. 블로그와 카페에서 작성된 글들은 주로 삭카린나트륨을 사용하지 않은 제품에 대한 것으로 파악되었으며, 기타 높은 단맛과낮은 열량을 보이는 삭카린나트륨의 특성, 식품첨가물 제거법에 대한 내용이 있는 것으로 파악되었다. 두 번째로, 네이버 트렌드 검색 서비스를 이용하여 삭카린나트륨에 대한 검색량 증가 구간에 발생한 언론보도 사건을 조사하였다. PC 검색량의 경우 총 11개 증가 구간 중 6개의 구간에서, 모바일 검색량의 총 12개 증가 구간 중 8개의 구간에서 뉴스에서 삭카린나트륨 사용허용 품목 확대에 대해 보도한 것으로 나타났다. 세 번째로 식품의약품안전처의 삭카린나트륨 사용 허용품목 확대 발표를 보도한 연합뉴스의 댓글을 분석하였다. 공감수 100개 이상인 댓글의 내용을 분석 결과 정부 불신을 비판하는 댓글들이 가장많았으며, 그 외 관련 제품의 가격 비판 댓글과 기업 불신을 드러내는 댓글들이 파악되었다. 시판 제품들의 표시사항 분석 결과, 삭카린나트륨을 첨가하지 않은 제품들은 삭카린나트륨 무첨가라는 표시를 강조하고 있는 것으로 조사되었다. 본 연구 결과 소비자들은 삭카린나트륨의 사용 확대에 관심이 있으며, 사용 확대 보도시에 검색량이 증가하였다. 따라서, 매체들은 삭카린나트륨 사용 확대에관하여 보도를 할 때에 과학적인 근거에 바탕하여 확대배경이나 적정 섭취량 등을 함께 알리는 것이 소비자의 올바른 인식에 도움을 줄 것이다.

This study analyzes how and why video gamers intentionally watch media on video games that they play and like through online platforms such as YouTube and Afreeca TV. More specifically, this study utilizes the Uses and Gratification theory in order to understand game players’ psychological behaviors and patterns in detail. Among the various types and genres of video games, this study focuses on the fighting game “Tekken 7” published by the Japanese company Namco. Tekken 7 is distinguished in some ways in that its platform is an arcade rather than PC or mobile phones and that it emphasizes mind game between game players. By analyzing how and why Tekken 7 gamers watch Tekken 7-related media over the Internet and new media, this study further provides a blueprint for the future of the new media.

The objectives of the present study were to select an effective basic medium including its hormone and protein supplementation for IVM of oocytes of indigenous zebu cows. The ovaries of cows were collected from slaughter house and the follicular fluid was aspirated from 2 to 8 mm diameter follicles. The COCs with more than 3 cumulus cell layers and homogenous cytoplasm were selected for maturation. The oocytes were matured in media for 24 hrs at 39℃ with 5% CO2 in humidified air. The maturation of oocytes was evaluated by examining the presence of first polar body under microscope. An efficient basic medium was determined after culturing COCs in either TCM 199 or SOF medium in Experiment 1. An efficient hormone supplementation was determined after culturing COCs in either FSH or gonadotrophin supplemented TCM 199 in Experiment 2. An efficient protein supplementation was determined after culturing COCs in either FBS or Oestrous cow serum (OCS) supplemented TCM 199 in Experiment 3. The oocyte recovery rate per ovary was 3.35. The overall rate of IVM was 74.6%. The maturation rate was 75.5±3.9 and 62.2±20.2% in TCM and SOF medium, respectively (P>0.05). The maturation rate of oocytes was significantly higher (76.6±13.2%) in FSH supplemented medium than gonadotrphin supplemented counterpart (69.7±10.8%) (P<0.05). The maturation rates of oocytes were 81.7±12.9 and 85.7±12.7% in medium supplemented with FBS and OCS, respectively (P>0.05). In conclusions, both TCM 199 and SOF supplemented with either FBS or OCS, and FSH may be used as medium for IVM of indigenous zebu oocytes in Bangladesh.