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이명극 ( Lee Myeong Geug ),강원권 ( Kang Won Gwon ),김민범 ( Kim Min Beom ),박철신 ( Park Cheol Sin ),이헌영 ( Lee Heon Yeong ),김삼용 ( Kim Sam Yong ),이복희 ( Lee Bog Hui ) 대한내과학회 1990 대한내과학회지 Vol.38 No.6
N/A To investigate the B-cell function in patients with chronic liver diseases, a peripheral blood T-cell subset, a delayed type skin reaction, serum levels of IgG, IgA, IgM and in vitro production of IgA, IgG were studied in patients with chronic liver diseases(10 cases of chronic hepatitis, 12 cases of liver cirrhosis). The results were as follows: 1) The percentage of peripheral blood suppressor T-cell(CD8 positive) decreased in patients with chronic hepatitis(p<0.05). 2) The results of delayed type skin reaction with CMI test showed no difference between normal subjects and patients with chronic liver diseases. 3) Serum IgG, IgA and IgM levels increased in patients with chronic hepatitis and in patients with liver cirrhosis(p<0.05). Serum IgA levels in patients with liver cirrhosis showed the most prominent increase(330% of control). 4) Unstimulated in vitro IgA production from peripheral blood mononuclear cell lymphocytes was higher in patients with liver cirrhosis(p<0.05). IgA production stimulated with pokeweed mitogen was not different from that of the normal control subjects. IgG production stimulated with pokeweed mitogen was lower in patients with liver cirrhosis(n=5)(p<0.05, Wilcoxon rank sum test). The results of the present study indicate that there is no major defect in cellular immunity in patients with chronic liver diseases and that the B cells in patients with chronic liver disease are polyclonally activated in vivo. In patients with liver cirrhosis, the IgA-producing B cells seem predominently activated in comparison with the IgG-or IgM-producing B-cells.
Structural and electrical properties of La(Sr,Ca)MnO3 ceramics for NTC thermistors
Eun-Hui Kim,Sam-Haeng Lee,Byeong-Jun Park,Jeong-Eun Lim,Myung-Gyu Lee,Joo-Seok Park,Byung-Cheul Kim,Sung-Gap Lee 한양대학교 세라믹연구소 2021 Journal of Ceramic Processing Research Vol.22 No.6
La0.7(Sr0.3-xCax)MnO3 (0.1≤x≤0.25) ceramics were prepared using solid-state sintering. XRD measurements showed that allspecimens showed rhombohedral polycrystalline structures. As the amount of Ca increased from 0.1 mol to 0.25 mol, sintereddensities decreased from 5.8888 g/cm3 to 5.5829 g/cm3. All specimens exhibited excellent NTCR properties of approximately0.445-0.421 %/oC. The TCR property, B25/65 constant, and resistivity at room temperature of the LSMO specimen doped with0.2 mol Ca were 0.439 %/oC, 469 K, and 3.94 104 Ω-cm, respectively.
이삼미 ( Lee Sam Mi ),안준태 ( An Jun Tae ),박상일 ( Park Sang Il ),신혜림 ( Sin Hye Lim ),김법종 ( Kim Beob Jong ),김문홍 ( Kim Mun Hong ),최석철 ( Choe Seog Cheol ),이경희 ( Lee Gyeong Hui ),박선후 ( Park Seon Hu ) 대한산부인과학회 2003 Obstetrics & Gynecology Science Vol.46 No.12
Adenoid basal carcinoma of the uterine cervix is rare tumors that have often been regarded as a single entity. 14 cases with adenoid basal carcinoma of the uterine cervix have been reported in the literature. We experienced a case of 36-year female with a
( Chang Hui Kang ),( Sam Ho Lee ) 한국경제학회 2015 The Korean Economic Review Vol.31 No.1
This paper develops a model of college admissions that emphasizes the role of college admissions as a human capital evaluation method. Given multiple dimensions of human capital, different patterns of human capital evaluation and development can emerge as multiple equilibria. These equilibria with a varying emphasis on different aspects of human capital can match an observed difference in college admission patterns between East Asian countries and the U.S. These different patterns are not Pareto ranked. Empirical implications of model are also discussed.
Proteomic Analysis of Resting and Activated Human CD8(+) T Cells
( Jung Hui Koo ),( Wook Jin Chae ),( Je Min Choi ),( Hyung Wook Nam ),( Tomohiro Morio ),( Yu Sam Kim ),( Yang Soo Jang ),( Kwan Yong Choi ),( Jung Jin Yang ),( Sang Kyou Lee ) 한국미생물생명공학회 2006 Journal of microbiology and biotechnology Vol.16 No.6