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광주지역 유통 채소류의 Bacillus cereus 오염실태 및 독소 특성
조선주,정소향,서유진,김태순,이향희,이민규,서정미,조배식,김중범,Cho, Sun-Ju,Jeong, So-Hyang,Seo, Yu-Jin,Kim, Tae-Sun,Lee, Hyang-Hee,Lee, Min-Gyou,Seo, Jung-Mi,Cho, Bae-Sik,Kim, Joung-Beom 한국식품영양학회 2020 韓國食品營養學會誌 Vol.33 No.2
The purpose of this study was to investigate the prevalence, toxin gene profiles, and enterotoxin producing ability of Bacillus cereus isolated from environment-friendly vegetables and good agricultural practices (GAP) vegetables. A total of 49 vegetables including 40 environment-friendly vegetables and 9 GAP vegetables were tested. The Vitek 2 system was used to identify B. cereus and the PCR was used to detect 6 toxin genes, respectively. B. cereus was detected in 34 (69.3%) of 49 vegetables and the prevalence of B. cereus in GAP vegetables (44.4%) was lower than in the environment-friendly vegetables (75.0%). The detection rates of entFM, nheA, hblC, and cytK enterotoxin genes, respectively, among all isolates were 100%, 97.0%, 88.2%, and 73.5%, respectively. All of the isolates had at least one or more enterotoxin gene and 20 isolates (58.8%) had hemolysin BL enterotoxin producing ability. The risk of food poisoning from the environment-friendly vegetables and the GAP vegetables has been shown as constant. Thus, it is necessary to expand the supply of GAP vegetables showing lower B. cereus contamination than the environment-friendly vegetables. The characteristics of the environment-friendly vegetables and the GAP vegetables that must be consumed after cleaning should be disseminated to consumers regarding food poisoning prevention.
신동명(Dong Muyng Shin),조선주(Sun Ju Cho),손병청(Byoung Choung Shon),최정우(Jeong Woo Choi),이미혜(Mi Hie Yi),최길영(Kil Yeoung Choi) 한국유화학회 1999 한국응용과학기술학회지 Vol.16 No.1
N/A Photo-crosslinkable polyimide(PI) which contains CF3 moiety was synthesized. Polarized UV light transformed ketone group of PI to hydroxyl group, which was confirmed by IR and UV-visible spectroscopy. We investigated the dichroic UV-absorption before and after photo-reaction with linearly polarized light. In particular we have attempted to clarify the relationship between the anisotropy of surface region and surface azimuthal anchoring energy and knew that the anchoring energy of photo-alignment PI is comparable with that of mechanical rubbing.
주영애,조선주 誠信女子大學校 生活文化硏究所 2009 生活文化硏究 Vol.24 No.1
The purpose of this study is to analyze the trends in existing research on the effectiveness of tea ceremony education. This study provides basic information for future research on education programs about tea culture. Data for this study were gained from the National Assembly Library and Academic Information Center database, and they were used in content analysis. The results are as follows. First, experimental research methodology is used in most of existing research. Second, diverse variables are used to investigate the effectiveness of educational programs. Third, a variety of studies on the effectiveness of tea education are currently being conducted. Based on these results, I offer the following suggestions. An interdisciplinary research approach should be adopted in studies on the effectiveness of tea ceremony education in the future. There should be a variety of tea education programs geared toward helping people's social and emotional health. Similar to research advancement in the therapeutic effects of arts and music, further research should be developed in tea therapy.