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Hiramoto, Keiichi,Yanagihara, Nobuyo,Sato, Eisuke F.,Inoue, Masayasu Korean Society of Photoscience 2002 Journal of Photosciences Vol.9 No.2
It has been well documented that dermal irradiation by ultraviolet A (UVA) locally decreases the number of Langerhans cells and suppresses contact hypersensitivity of the skin. We found that topical irradiation of UVA to the eye systemically decreased the number of Langerhans cells (LC) in the dorsalskin and lymph nodes and elicited lymphocyte apoptosis in the latter tissues but not in the thymus. Optic nerve resection, but not ciliary ganglionectomy, eliminated the UVA-induced decrease in dermal Langerhans cells by a mechanism that was partially inhibited by hypophysectomy. The immunosuppressive effect of UVA was not observed in knockout mice lacking inducible-type of nitric oxide synthase (iNOS). These results suggested that topical irradiation of UVA to the eye induced immunosuppression via NO-dependet neuronal pathways.
F. Inoue,A. Honjo,T. Makino,S. Kwon 제어로봇시스템학회 2018 제어로봇시스템학회 국제학술대회 논문집 Vol.2018 No.10
In the seismic hazard of earthquake generated in Japan some time ago, the inspection robot was expected of the information gathering to the distresses region where nobody was able to enter. However, because the robot technology to the disaster correspondence was not continuously prepared, the work performance by the robot was not achieved enough. In our aim of study, a new robot inspecting the building wall and the estimated method of deterioration that can be used even due to the normal work and the disaster are developed. This robot system is composed of two robots, a base robot and an inspection robot. The base robot can be flew on unleveled land and to stick on the wall and climb by the vertical wall thought reaction force by several duct fan. The power of fan is much largest, so the robot can be hung and assisted the inspection robot. In the inspection robot, the state of deterioration of the wall surface is judged by hammering test and image analysis. In this paper, we report the outline of two robot systems, robot outline and experimental results.
Role of Hydrogen Generation by Klebsiella pneumoniae in the Oral Cavity
Tomoko Kanazuru,Kumiko Nagata,Hiroshi Matsui,Kunihiko Watanabe,Eisuke F. Sato,Emiko Kasahara,Mika Jikumaru,June Inoue,Masayasu Inoue 한국미생물학회 2010 The journal of microbiology Vol.48 No.6
Some gastrointestinal bacteria synthesize hydrogen (H2) by fermentation. Despite the presence of bactericidal factors in human saliva, a large number of bacteria also live in the oral cavity. It has never been shown that oral bacteria also produce H2 or what role H2 might play in the oral cavity. It was found that a significant amount of H2 is synthesized in the oral cavity of healthy human subjects, and that its generation is enhanced by the presence of glucose but inhibited by either teeth brushing or sterilization with povidone iodine. These observations suggest the presence of H2-generating bacteria in the oral cavity. The screening of commensal bacteria in the oral cavity revealed that a variety of anaerobic bacteria generate H2. Among them,Klebsiella pneumoniae (K. pneumoniae) generated significantly large amounts of H2 in the presence of glucose. Biochemical analysis revealed that various proteins in K. pneumoniae are carbonylated under standard culture conditions, and that oxidative stress induced by the presence of Fe++ and H2O2 increases the number of carbonylated proteins, particularly when their hydrogenase activity is inhibited by KCN. Inhibition of H2generation markedly suppresses the growth of K. pneumoniae. These observations suggest that H2 generation and/or the reduction of oxidative stress is important for the survival and growth of K. pneumoniae in the oral cavity.
Evidence of a Rattling Transition in the Caged Compounds LaRu2Zn20 and LaIr2Zn20: 139La NMR Studies
Hideki Tou,Kenji Asaki,Hisashi Kotegawa,Takahiro Onimaru,Keisuke T. Matsumoto,Yukihiro F. Inoue,Toshiro Takabatake 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.63 No.3
We report a study of 139La(I=7/2) nuclear magnetic resonance (NMR) to investigate the structuralphase transition in the two caged compounds LaIr2Zn20 and LaRu2Zn20 from microscopic viewpoints. The former compound shows a second-order structural phase transition around Ts = 200 Kwhereas the latter one shows a first-order structural phase transition at Ts = 150 K. For both compounds,quite narrow La-NMR lines of less that 10 kHz without any electric field gradient (EFG) atthe La site were observed at temperatures above Ts, indicating that the local symmetry at the Lasite holds a cubic symmetry. On the other hand, an EFG at La site appears at temperatures belowTs, evidencing symmetry lowering occurs at the La site at temperatures below Ts. At temperaturesaround Ts, both the nuclear spin-lattice relaxation rate (1/T1) and the nuclear spin-spin relaxationrate (1/T2) show unusual enhancements associated with the slowing down of the EFG fluctuations. However, the temperature dependences of 1/T1T and 1/T2 are different from the typical slowingdownphenomena of the EFG fluctuations due to the classical motional narrowing. The lowering ofthe local symmetry at the La site is ascribed to a freezing of the rattling motion.