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자연발생 또는 백신접종후 생긴 HBsAg에 대한 항체의 지속성과 Anamnestic Response
정환국,선희식,정규원,노재철,김부성,Chung, Whan-Kook,Sun, Hee-Sik,Chung, Kyu-Won,Ro, Jae-Chul,Kim, Boo-Sung 대한예방의학회 1987 Journal of Preventive Medicine and Public Health Vol.20 No.2
For evaluating the boosting (anamnestic) effects of the most recent commercially produced plasma derived heat-inactivated hepatitis B vaccine (A. Co.), 117 adults with naturally acquired antibody to hepatitis B surface antigen (anti-HBs) were selected at random. In addition, out of case immunized at zero and 1 month, and boosted at 6 months (primary boosting) by conventional vaccine (B. Co), inactivated by pepsin digestion and formalin treatment, 11 cases who showed elevated titer after primary boosting were also submitted to the study. The results were as follows: 1) Out of the 117 subjects with naturally acquired anti-HBs, 6(5.1%) showed isolated anti-HBs and the titers were below 10 ratio units (RU). Negative seroconversion was seen in 4(3.4%) of the 117 cases at 12 months after the screening and, of these cases, 3 showed isolated anti-HBs and the titers were below 10 RU. 2) Eighty-three percent of the cases with naturally acquired isolated anti-HBs below 10 RU did not respond to a booster injection with 3 us dose of A. Co. vaccine at all, but 90% of the other subjects responded. 3) The anti-HBs titers of all the 11 cases who showed a rise of more than 10 RU (increased GMT, 28.04) at one month after primary booster injection by $20{\mu}g$ dose of B. Co. vaccine decreased at 19 months after the primary booster. And 3 subjects (27.3%) of the 11 reached negative seroconversion. All of the 11 cases, who had secondary booster injection with $3{\mu}g$ dose of A. Co. vaccine at 19 months after primary boosting, showed increased anti-HBs titer at least 20 RU or more (increased GMT, 57. 72) at one month after the boosting. According to the above results in the anti-HBs screening survey for the purpose of immunization with hepatitis B vaccine, subjects with isolated anti-HBs below 10 RU should be regarded as being in an unimmunized state. In cases who are in risk circumstances, immunized primarily with a $20{\mu}g$ dose of B. Co. vaccine, a secondary booster injection should be given within 2 years after initiation of primary immunization and a $3{\mu}g$ booster dose of A. Co. vaccine can be reliably used.
Spin-Value 헤드용 Ni-Fe/Mn-Ir 다층박막의 적층순서에 따른 자기적 특성
김장현,노재철,윤성용,전동민,박준혁,서수정 대한금속재료학회(대한금속학회) 2000 대한금속·재료학회지 Vol.38 No.8
The purpose of this research is to find out the dominant factor determining exchange biased field and characteristics of Ni-Fe/Mn-Ir/buffer/Si bottom structure. We found out that the H_(ex) and the H_c of Ni-Fe/Mn-Ir multilayers depended on the grain size of Mn-Ir layer and the grain-to-grain epitaxy relationship at the interface between Mn-Ir and Ni-Fe layers. The blocking temperature, at which the exchange biased field disappears, of top structure was about 220℃ and that of bottom structure was about 180℃. The grain size of Mn-Ir layer in bottom structure is smaller than that in top structure. The bottom structure has more magnetic dead layer and less alignment of spin of the Mn-Ir layer than top structure.
이호선,최재철,정규원,이창돈,이안기,노재철 대한내과학회 1986 대한내과학회지 Vol.30 No.1
We report a case of acute intermittent porphyria presenting with variable symptoms and signs such as SIADH, increased serum thyroxine, polyneuropathy, seizure, and secondary amenorrhea and galactorrhea. We studied the anterior pituitary hormonal status and the electromyography. She was improved clinically after hematin treatment, but had been continued the galactorrhea and amenorrhea over for four months.