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- 저자 : Yasuhiko, Suzuki (검색결과 156 건)
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Constant Voltage Control of Electronic Load Using Robust Digital Controller
Yasuhiko Morishita,Takahide Suzuki,Etsunao Ohtsuji,Yukinari Fukumoto,Kohji Higuchi 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
In this paper, Robust Digital Controller applied to Constant Voltage Control (CV control) of our electronicload which had a very fast response of current. We derived two types of control object. As a result, they showed faster response of current and more stable than existing circuit of CV control. To achieve faster CV control, you will adapt CV control to much further cases of application.
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Diagnosis and treatment of patients with IgA nephropathy in Japan
( Yasuhiko Tomino ) 대한신장학회 2016 Kidney Research and Clinical Practice Vol.35 No.4
Chronic kidney disease (CKD) is a worldwide public health problem that affects millions of people from all racial and ethnic groups. Although CKD is not one specific disease, it is a comprehensive syndrome that includes IgA nephropathy. As reported by the Japanese Society of Nephrology, 13.0 million people have CKD. In Japan, major causes of end-stage kidney disease are type 2 diabetic nephropathy, chronic glomerulonephritis, especially IgA nephropathy, hypertensive nephrosclerosis, and polycystic kidney disease. IgA nephropathy is characterized by polymeric IgA1 with aberrant galactosylation (galactose-deficient IgA1) increased in the blood and deposited in the glomerular mesangial areas, as well as partially in the capillary walls. The tonsils are important as one of the responsible regions in this disease. The clarification of the mechanism of galactose-deficient IgA1 production will pave the way for the development of novel therapies. The results of future research are eagerly awaited. At present, the most important therapeutic goals in patients with IgA nephropathy are the control of hypertension, the decrease of urinary protein excretion, and the inhibition of progression to end-stage kidney disease. Several investigators have reported that renin-eangiotensin-ealdosterone system inhibitors reduce levels of urinary protein excretion and preserve renal function in patients with IgA nephropathy. In Japan, tonsillectomy and steroid pulse therapy are more effective for patients with IgA nephropathy. Copyright ⓒ 2016. The Korean Society of Nephrology. Published by Elsevier. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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Hepatitis C and Liver Transplantation
( Yasuhiko Sugawara ) 대한간학회 2007 Clinical and Molecular Hepatology(대한간학회지) Vol.13 No.5(S)
OBJECTIVES: Hepatitis C virus (HCV) is the most common indication for living donor liver transplantation in Japan. A recent paper in the Western world reported that HCV infection was associated with a 23% increase in mortality and a 30% increase in the rate of liver graft failure. The poor results might be due to recurrence of HCV disease in the graft. If HCV recurs earlier and more severely after transplantation, a specific strategy for preventing the detrimental effects of HCV on the grafts must be developed. METHODS: One strategy might be aggressive treatment for HCV. Treatment of recurrent HCV disease with interferon and ribavirin after liver transplantation is used. One standard regimen includes interferon-alpha2b (3 MU x 3 per week) or PEG interferon (1.5 microg/kg) and ribavirin (600-800 mg/day) for 48 weeks. RESULTS: We have adopted the preemptive therapy in the 92 living donor liver transplant recipients until the end of 2006 and obtained a sustained viral response rate 35%. The 5-year survival rate was 82% which was not significantly different from that of the non hepatitis patients. CONCLUSIONS: Living donor liver transplantation is an effective life saving option with excellent outcome for patients suffering from end-stage liver disease including those due to HCV in regions where deceased donor liver transplantation remains an unrealistic option.
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Yasuhiko Shimomura,Oshie Kotake,Hiroyuki Kaga,Noboru Masuda Korean Institute of Landscape Architecture 2004 Journal of the Korean institute of landscape archi Vol.2 No.-
This study aimed at providing suggestions in designing open space so that parks and bordering facilities are well related to each other in terms of the visual access and human activities. The design survey was conducted in the center of Osaka City, using parks there as the study material. The relation between parks and their bordering facilities was evaluated in terms of the visual access and human activities. Through the results of this study, as the design methods for improving relations between parks and their bordering facilities, unified design and creation of square in the boundary area between them, placing access paths to facilities in parks, and planting trees to create Vista, Screen, and Framework landscapes are of great importance.
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Prospect of plant molecular cytogenetics in the 21st century
Yasuhiko Mukai 한국생명과학회 2003 한국생명과학회 심포지움 Vol.40 No.-
The genomes of Arabidopsis and rice have been fully sequenced. Genomic sequencing provides global information about genome structure and organization. A comprehensive research account of our recent studies conducted on genome painting, comparative genomics and genome fusion is provided in order to project the prospects of plant cytogenetic research in post-genomics era. Genome analysis by GISH using genome painting is demonstrated as an excellent means suitable for visualization of a whole genome, since total genomic DNA representing the overall molecular composition of the genome is used as a probe. FISH on extended DNA fibers has been developed for high-resolution FISH and has contributed to determining the copy number and order of genes. We have also mapped a number of genes involving starch synthesis on wheat chromosomes by FISH and compared the position of these genes on linkage map of rice. Macro synteny between wheat and rice can be observed by comparing the location of these genes in spite of the fact that the size of DNA per chromosome differs by 20 fold in two. Moreover, to approach our goal towards making bread and udon noodles from rice flour in future by incorporating bread making and the noodle qualities in rice, we have been successful in introducing large genomic DNA fragments containing agronomically important genes of wheat into a rice by successive introduction of large insert BAC clones, there by expanding genetic variability in rice. We call this method genome fusion.
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