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방사선 조사가 파보바이러스 예방용 IgY를 함유하는 난황분말의 살균과 안정성에 미치는 영향
차인석(In-Seok Cha),박민근(Min-keun Park),이기정(Kie-Jeung Lee),윤세희(Sae-Hee Yoon),김정옥(Jeung-Ok Kim),김승희(Seung-Hee Kim),양재혁(Jae-Hyuk Yang),정종태(Jong-Tae Cheong),임윤규(Yoon-Kyu Lim),황규계(Kyu-Kye Hwang) 한국실험동물학회 2005 Laboratory Animal Research Vol.21 No.3
The gamma irradiation has been used as a method of sterilization which is often needed for long-term storage of various dried-foods by preventing them from decomposition. In present study, we tested the sterilization effects of gamma irradiation on the egg yolk powder containing anti-canine parvovirus yolk antibody (IgY) which can be used for controling canine parvovirus infection. Egg yolk powder was gamma irradiated at various levels (0.08, 0.4, 2, 10 and 50 kGy), stored at 4℃ and 20℃ for 60 days, and measured on sterility and antibody titer. Counting of aerobic bacteria indicated that samples irradiated at 0.4, 2 and 10 kGy were 89-94, 93-99 and 100% sterilized, respectively compared to non- irradiated control. ELISA test showed that gamma irradiation at 2 kGy or less did not make significant influence on antibody titer, whereas irradiation at 10 kGy induced about 15% reduction of antibody titer. Neither bacterial count nor antibody titer was affected by storage temperature after gamma irradiation. Conclusively, the proper level of gamma irradiation was about 2 kGy to achieve maximum sterilization on egg yolk powder without diminishing antibody titer.
社會的 存在論에서 본 相互主觀性 : 미드, 슈츠, 하버마스를 중심으로
車仁錫 서울대학교 사회과학연구소 1986 社會科學과政策硏究 Vol.8 No.1
나와 너, 자아와 타자의 상호주관적 관계는 사회를 대상으로 삼는 모든 학문의 대전제가 된다. 홉스와 로크의 사회계약록에서 하버마스의 의사소통 이론에 이르기까지의 모든 사회이론은 사회구조의 기반인 이 관계에 대한 지식을 필요로 한다는 것이다.