1 Introduction
We're used to take a break or go somewhere for rest. But in Korea, the "leisure" wasn't usual concept for Koreans. Before 70's, we were too busy to have leisure time. But we held the Asian Games in 1986 and Olympic Games in 1988. After that, Leisure became popular and the demand of leisure made a huge increase. And also the law of travel restriction was removed. And increasing dem
3. 암화에 의한 세포주 확립
동물세포를 이용한 연구 발전에 기여
4. Sato등에 의해 무혈청 배양법 확립
1960. 무혈청 배양 시도
1963-5(Ham) 혈청 공급 없이
CHO cell cloning
1970(Sato) 혈청 대신 호르몬
첨가 cell line 무혈청 배양
성공
Human embryonal kidney, SV40 and large T antigen transformed