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5 results on '"Kousuke Yamasaki"'

2. Completion of FM Radio Network by using SFN and its Evaluation by FM SFN Analyzer

Author

Tomohiro Kashio, Makoto Kaijima, Kousuke Yamasaki, Daiichiro Ueda, Hirotaka Iwashita, Shouzou Iwaki, Yukio Iwata, Kenji Kawano, and Masaharu Era

Subjects
Radio networks, Spectrum analyzer, business.industry, Computer science, Media Technology, Electrical and Electronic Engineering, business, Computer hardware, Computer Science Applications
Published
2020

3. Development and Practical Realization of SFN Field Analyzer for FM Synchronous Broadcasting

Author

Daiichiro Ueda, Makoto Kaijima, Masaharu Era, Kenji Kawano, and Kousuke Yamasaki

Subjects
Spectrum analyzer, Broadcasting (networking), Development (topology), Field (physics), business.industry, Computer science, Media Technology, Electrical engineering, Electrical and Electronic Engineering, business, Realization (systems), Computer Science Applications
Published
2019

4. Realization of SFN of FM Radio broadcasting by developing high precision FM modulator

Author

Shouzou Iwaki, Kousuke Yamasaki, Tomohiro Kashio, Makoto Kaijima, Kenji Kawano, and Masaharu Era

Subjects
business.industry, Computer science, Media Technology, Electrical engineering, Electrical and Electronic Engineering, business, Realization (systems), Frequency modulation, Radio broadcasting, Computer Science Applications
Published
2017

5. Changes in the components of biliary and plasma lipids in selenium-deficient rats

Author

Kazutoyo Endo, Kousuke Yamasaki, Junya Sasaki, Keisuke Matsuoka, Yasunobu Sakuma, Masamichi Tsukada, Aya Futami, and Chikako Honda

Subjects
Male, Bilirubin, Iron, medicine.disease_cause, Biochemistry, Excretion, Bile Acids and Salts, chemistry.chemical_compound, Selenium, Blood plasma, medicine, Animals, Bile, Rats, Wistar, Molecular Biology, Phospholipids, computer.programming_language, chemistry.chemical_classification, Reactive oxygen species, Chemistry, Cholesterol, sed, Glutathione peroxidase, Organic Chemistry, Cell Biology, Lipids, Rats, Oxidative Stress, Reactive Oxygen Species, computer, Oxidative stress, Biomarkers
Abstract

We constructed a chronic oxidative stress model in which Se-deficient diet was fed to male Wister rats for 8 weeks. As expected, effects of oxidative damage, including Fe accumulation and increase in peroxidized lipids, were identified in the liver owing to the lack of glutathione peroxidase. Although the oxidative stress caused Fe accumulation in the liver, the Fe concentration in bile of the SeD rat was almost the same as that in the control rats. The constant excretion of Fe into bile supported the Fe accumulation in the liver. No differences were observed in the principal components of biliary lipids, i.e., bile acids, phospholipids, and cholesterol, between the two groups; moreover, these trends were also reflected in the plasma. Due to the trapping of reactive oxygen species, only bilirubin concentrations in the bile and plasma were decreased in the SeD group, when compared with those in the control group. Measurement of bilirubin concentration may be used as a supplemental oxidative stress marker.

Published
2007

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