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KOREAN SECURITY: IN THE NATIONAL INTERESTS?
Sano, John R. The Institute for Far Eastern Studies Kyungnam Uni 1978 ASIAN PERSPECTIVE Vol.2 No.2
The relationship that exists between national interests and national security is a very complex and often ambiguous one. As individual countries formulate foreign policy in terms of their own national interests, specifically the attainment and defense of particular goals defined in terms of those interests, this complexity increases significantly. A few national interests, generally those involving geographic factors, may be closely associated with physical security and command a lasting and general domestic consensus that their defense is vital for security.
Sano, Tetsuro,Lin, Huai,Chen, Xiashan,Langford, Lauren A.,Bondy, Dimpy Koul Melissa L.,Hess, Kenneth R.,Myers, Jeffery N.,Hong, Yong-Kil,Yung, W.K. Alfred,Steck, Peter A. 가톨릭대학교 2000 Bulletin of The Catholic Research Institutes of Me Vol.28 No.-
MMAC/PTEN, a tumor suppressor gene located on chromosome 10q, has recently been shown to act as a phosphatidylinositol 3,4,5-triphosphate phosphatase and to modulate cell growth and apoptosis. Somatic mutations of MMAC/PTEN have been reported in a number of human cancers, especially in glioblastoma multiforme (GBM), although the number of identified mutations (10-35%) is significantly lower than the frequency of LOH affecting the MMAC/PTEN locus in the specimens (75-95%). To further investigate the possible alterations that may affect MMAC/PTEN, we examined the expression of the gene by reverse transcription-PCR in a series of gliomas. A significant difference (P<0.001) was observed between the expression of MMAC/PTEN in GBMs versus lower grades of gliomas, thus mimicking the difference in allelic deletion associated with the locus in these tumors. Furthermore, Kaplan-Meier survival plots, adjusted for age and tumor grade, showed a significantly better prognosis for patients whose tumors expressed high level of MMAC/PTEN. Additionally, immunostaining of GBMs revealed little or no MMAC/PTEN expression in about two-thirds of the tumors, whereas the other approximately one-third of tumors had significantly higher levels of expression. However, in about two-thirds of the gigh-expressing specimens, a heterogeneous pattern of expression was observed, indicating that certain cells within the tumor failed to express MMAC/PTEN. The combination of these results suggest that, in addition to molecular alterations affecting the gene, altered expression of MMAC/PTEN may play a significant role in the progression of GBM and patient outcome. (Cancer Research 59:1820-1824, 1999)
INSULIN RESPONSIVENESS TO GLUCOSE AND TISSUE RESPONSIVENESS TO INSULIN IN SOWS, SHEEP AND PIGS
Sano, H.,Terashima, Y. Asian Australasian Association of Animal Productio 1991 Animal Bioscience Vol.4 No.1
Insulin responsiveness to glucose and tissue responsiveness to insulin, using the hyperglycemic clamp and the hyperinsulinemic euglycemic clamp techniques, were compared among cows, sheep and pigs. The plasma insulin concentrations during the hyperglaycemic clamp period were highest (p < 0.05) in cows, followed by sheep and pigs. The glucose infusion rate in the hyperinsulinemic euglycemic clamp technique was greater (p < 0.01) in pigs than in cows and sheep. These results suggest responsiveness to insulin is higher in pigs than in cows and sheep.
Study on Failure Diagnosis of Power Transformer Using FRA
Sano, Takahiro,Miyagi, Katsunori The Korean Institute of Electrical and Electronic 2006 Transactions on Electrical and Electronic Material Vol.7 No.6
As the average usage period of transformers increases, it is becoming increasingly necessary to know the internal condition of transformers. It is therefore critically important to establish monitoring and diagnostic techniques that can perform transformer condition assessment. Frequency response analysis, generally known as FRA, is one of the technologies to diagnose transformers. Using case studies, this paper presents the effectiveness of FRA as measurements for detecting transformer failures. This paper introduces the fact that FRA waveforms have useful information about diagnosis of failure on core earths and winding shield, and that the condition outside transformers can affect frequency response characteristics.