http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Capillaria hepatica 感染 마우스에 있어서 間接螢光抗體反應을 이용한 IgG, IgM 및 IgA의 變動에 관한 硏究
李淑環,嚴基善,林漢鍾 고려대학교 의과대학 1987 고려대 의대 잡지 Vol.24 No.3
The immunoglobulin kinetic study was performed to observe the serum IgG,IgM and IgA levels by the method of indirect fluorescent antibody test (IFAT) in Capillaria hepatic infected ICR mice. Antigen used were frozen sectioned eggs in liver tissue and lyophilized embryonated eggs. A total of 98 mice (b.w.15g) was divided into two groups (A,B) and 100 and 1,000 embryonated eggs were infected orally respectively. All mice were bled and killed by retro-orbital puncture prior to infection and at weeks 1,2,3,4,5,6,7,9,11,13,15, and 26 after infection. As negative control sera, 6 mice were used. Fluorescein conjugated anti-mouse immunoglobulins produced in goats (MELOY Laboratories, Inc.) were used as working protein concentration of 500㎍/ml in IgG, IgM and IgA respectively. The antigenic localities were inner membrane of sectioned egg antigen and on the precipitates around the mucoid plugs which were induced by circumoval precipitation reaction. The serum dilution of 16 or over were regarded as positive titer. The results obtained were summarized as follows; 1. IgG titers detected by IFAT using sectioned egg antigen increased at three weeks after infection and kept positive reactions until 13 weeks in light infected group. The titers detected using lyopilized egg antigen showed positive reactions between 3 and 11 weeks after infection. 2. IgM titerd using sectioned egg antigen increased rapidly at two weeks after infection and kept positives until 7 weeks in light infected group and at two weeks until 11 weeks in heavy infected group. The titers detected using lyopilized egg antigen showed positive reactions between 2 and 9 weeks after infection. 3. IgA antibodies were not detected by IFAT in both antigens i.e., sectioned egg antigen and lyophilized egg antigen in all tested sera of ICR mice.
질화 분위기에서 결정화 된 Fe_(73.5)Si_(13.5)B_(9)Cu₁Nb₃ 연자성 합금의 자기적 성질
이기선,박인수,이기안,김문철,장석훈 대한금속재료학회 2003 대한금속·재료학회지 Vol.41 No.11
Amorphous Fe_(73.5)Si_(13.5)B_(9)Cu₁Nb₃ alloy was crystallized in nitriding atmosphere of mixture gas of NH₃ and hydrogen. The crystallization at 823K showed the high electrical resistivity ranging from 494 to 538 mW-cm, which was higher level compared with nano-crystalline Fe_(73.5)Si_(13.5)B_(9)Cu₁Nb₃ alloy with a resistivity of about 110 mW-cm. Through the nitridation treatments, the amorphous alloy was transformed into nano-sized crystalline Fe3Si including iron nitrides such as γ' -Fe₄N phases. EPMA-concentration depth profiles confirmed an existence of nitrogen-rich region on the surface of the alloy ribbon, leading to the preferential formation of g -Fe4N phase. The formation of γ' -Fe₄N phase leaded to an increase of the resistivity and provided stable permeability and a low core loss at high frequency.
李圭寶,孫惠卿,黃基錫 慶北大學校 醫科大學 1982 慶北醫大誌 Vol.23 No.2
1982年 1月부터 1982年 8月사이에 慶北醫大附屬病院 核醫學科에서 甲狀腺製劑(Comthyroid)를 投與받고 있는 患者中 3∼6個月사이에 甲狀腺機能檢査를 比較觀察할 수 있었던 35例를 檢査한 結果 다음과 같은 所見을 얻었다. RAIU檢査는 甲狀腺製劑 投與前에 比하여 6時間値나 24時間値가 모두 有意하게 正常以下로 低下되었으나, 血中 T_3와 T_4 値는 少數例에서 上昇되어있었으나 全體的으로 別 有意한 上昇은 없었다. 臨床的으로 腺腫의 約半數例에서 縮小效果가 있었으며 藥濟服用으로 因한 副作用은 없었다. 甲狀腺腫의 抑制法으로 投與하는 甲狀腺製劑의 效果는 臨床的으로 甲狀腺 hormone의 生體에 對한 影響이나 副作用은 없이 뇌하수체-甲狀腺軸에만 作用하여 甲狀腺機能抑制 또는 腺腫縮小를 招來할 수 있다고 思料된다. In order to evaluate the effects of thyroid hormone preparation upon the thyroid function, authors investigated comparative thyroid function tests including of RAIU, serum T_3, and T_4 before and after Comthyroid therapy from January to August 1982 in 35 cases of nontoxic goiter. RAIU both in 6 hrs and 24 hrs were significantly decreased during medication, whereas serum T_4 and T_3 showed no appreciable change. There was no case of side reaction from the regimen, however size of goiter seemed regressed more or less in more than half of the cases.
박종석,이준호,이기철 弘益大學校 科學技術硏究所 1999 科學技術硏究論文集 Vol.10 No.1
Recently, spatial data mining has become an important area as geographic information systems are affecting people more in many areas. In the past decade, knowledge extraction from raw data has been extensively studied. How to utilize the data mining technique for building a spatial data mining system is suggested in this paper. Especially, descretization of class attribue may affect the quality of the system, and after decising a partner attribute, we repeatedly re-discretized the class attribute and partner attribute alternately until no more recognition rate is improved. Also, we suggested a general query form which may be used in most spatial mining domains. The experimentation has been performed on TIGER data to prove the stability of our method.
pH순환 모델에서 과포화 용액의 초기 우식 법랑질에 대한 재광화 효과
홍석진,김소라,이찬영,노병덕,금기연 대한치과보존학회 2001 Restorative Dentistry & Endodontics Vol.26 No.4
Dental caries is the most common oral disease. There are many factors contributing to its development. but complete understanding and prevention are not fully know. However, it is possible to remineralize the early enamel carious lesion by fluoride containing remineralization solution. Recently the pH-cycling model has been used to examine the effect of fluoride solution on remineralization of artificial caries in vitro as it can closely simulate the conditions encountered in vivo within a carefully controlled enviroment.
장석훈,김성복,이봉덕,이수기 충남대학교 농업과학연구소 2008 농업과학연구 Vol.35 No.2
This experiment was conducted to investigate the feed value of Phellinus linteus meal. The chemical composition and particle size of Phellinus linteus meal was determined, and investigated the effect of partial substitution(0, 5, 10 and 20%) of dried Phellinus linteus meal on metabolizability and serum IgG concentration of layers. Crude fiber content of Phellinus linteus meal was higher, and crude protein and crude fat contents were similar level compare to corn, barley, and wheat. Dry matter metabolizability of Phellinus linteus meal was lower in 10 and 20% treatment than those of 0 and 5% treatment significantly(p<0.05). But, Phellinus linteus meal did not affect concentration of serum IgG. 본 시험은 상황버섯박의 사료가치를 조사하기 위하여 화학적 성분을 분석하고, 산란계를 이용하여 급여수준(급여사료의 0, 5, 10 및 20%)에 따른 대사율과 혈청 IgG 농도를 조사하였다. 영양적 조성에 있어서는 섬유질성 단미사료수준 이상의 영양소를 함유하고 있으며, 산란계에 대한 대사율은 대조구에 비하여 상황버섯박 10 및 20% 첨가구가 유의하게 낮은 결과를 보였다(p<0.05). 그리고 혈청 IgG 농도에 있어서는 첨가수준에 따른 유의적인 차이를 발견할 수없었다. 위 결과로 볼 때 상황버섯박은 섬유질 함량이 높아 단위 동물의 사료로는 제한적 사용이 불가피하며, 버섯의 약리성분은 추출잔류물이라는 특성으로 볼 때 그 작용을 기대하기는 어려울 것으로 판단된다. 또한 상황버섯박은 섬유질 함량이 높은 것으로 보아 단위 동물보다는 반추동물의 사료로 이용하는 것이 유리할 것으로 생각된다.