http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Ascorbic acid 의 항결핵균 작용에 관한 연구
김찬수,호순태,김재오 대한미생물학회 1985 大韓微生物學會誌 Vol.20 No.1
Vitamin C is known as an integral element for the formation and maintenance of interecllular supporting structures. Ascorbic acid has been used for the treatment of certain poisonings and hypovitarninosis(scurvy) but also known as a powerful reducing agent, and can kill a variety of bacteria and detoxify bacterial exotoxins including various clostridial exotoxins in vitro. For viruses, vitamin C inactivates herpes virus, vaccinia virus and influenza virus and has been used for the prevention and treatment of the common cold. Thus ascorbic acid plays an important role in antimicrobial action. Scurvy also promotes the development of tubercles in experimentally infected guinea pig and the tuberculosis patients require more vitamin C than normal persons. However there is no reports that ascorbic acid could inhibit the growh of M. tuberculosis. In this paper, antibacterial effects of ascorbic acid against M. tuberculosis were studied. The results are as follows: 1. The single use of the ascorbic acid exhibited antibacterial effect in vitro against 5 x 10_3/ml of,U tuberculeis H_(37) at the concentration of ascorbic acid 0.625mg/ml over 3 hours exposure and 0.05 mg/ml over 9 hours exposure. 2. In vivo mice administered with ascorbic acid 50mg/day for 5, 10 and 15 days respectively were pro- tected from M. Tuberculosis 2LD_(50), 3LD_(50) 4LD_(50) and 5LD_(50), given intravenously.
Epstein-Barr 바이러스 형질전환법을 이용한 파상풍 톡소이드에 대한 사람 단세포군 항체의 생산
유승민,조정제,호순태,하윤문 大韓免疫學會 1993 大韓免疫學會誌 Vol.15 No.-
For production of tetanus toxoid(TT) specific human monoclonal antibodies, anti-TT antibody secreting peripheral B lymphocytes were separated by rosetting with TT-coated SRBC. And, B lymphoblastoid cell line(BLCL) was established by Epstein-Barr Virus(EBV) transformation methods. Stable BLCLs were established after three times of cloning by limiting dilution. To establish the maximal antibody producing condition, several environmental factors were tested. The optimal condition for maximum antibody prodiction was 4 day culture of 1 x 105cells/ml concentration in RPMI 1640 complete culture media supplemented with 20% fetal calf serum, and the maximum concentration of secreted antibody was about 900ng/ml. The antibody production of BLCL was decreased during long-term culture after establishment of cell line, but antibody production was maintained by repeated cloning by limiting dilution.