http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Strongly correlated electrons on frustrated lattices
Tsunetsugu, H,Hattori, K,Ohashi, T,Kawakami, N,Momoi, T Institute of Physics 2009 Journal of physics. Conference series Vol.145 No.1
<P>We review our two recent theoretical works on strongly correlated electrons on typical frustrated lattices. The first topic is about a Mott transition in the single-band Hubbard model on anisotropic triangular lattice, and we discuss a reentrant behaviour of metal-insulator transition, consistent with that in a κ-type BEDT-TTF salt. The second topic is about heavy fermion behaviour in the vanadium spinel LiV<SUB>2</SUB>O<SUB>4</SUB>. We study the 3-orbital t<SUB>2<I>g</I></SUB> Hubbard model on the pyrochlore lattice at quarter filling and derive its low-energy effective model. The correlations of spin and orbital degrees of freedom are discussed.</P>
E.Hiraki,H.Hattori,M.Nakaoka,T.Horiuchi,Y.Sugawara 전력전자학회 1998 ICPE(ISPE)논문집 Vol.- No.-
This paper presents performance and loss analysis of Auxiliary Resonant Commutation Snubber-linked (ARCS) three phase voltage source soft switching inverter which is operated under a condition of Zero Voltage Switching (ZVS). The system performances of this ARCS soft switching inverter which is controlled on optimal type I digital servo scheme are illustrated and evaluated on the basis of experimental results.<br/>
Miyake, N.,Tsukaguchi, H.,Koshimizu, E.,Shono, A.,Matsunaga, S.,Shiina, M.,Mimura, Y.,Imamura, S.,Hirose, T.,Okudela, K.,Nozu, K.,Akioka, Y.,Hattori, M.,Yoshikawa, N.,Kitamura, A.,Cheong, H.,Kagami, S University of Chicago Press [etc.] 2015 American journal of human genetics Vol.97 No.4
The nuclear pore complex (NPC) is a huge protein complex embedded in the nuclear envelope. It has central functions in nucleocytoplasmic transport, nuclear framework, and gene regulation. Nucleoporin 107 kDa (NUP107) is a component of the NPC central scaffold and is an essential protein in all eukaryotic cells. Here, we report on biallelic NUP107 mutations in nine affected individuals who are from five unrelated families and show early-onset steroid-resistant nephrotic syndrome (SRNS). These individuals have pathologically focal segmental glomerulosclerosis, a condition that leads to end-stage renal disease with high frequency. NUP107 is ubiquitously expressed, including in glomerular podocytes. Three of four NUP107 mutations detected in the affected individuals hamper NUP107 binding to NUP133 (nucleoporin 133 kDa) and NUP107 incorporation into NPCs in vitro. Zebrafish with nup107 knockdown generated by morpholino oligonucleotides displayed hypoplastic glomerulus structures and abnormal podocyte foot processes, thereby mimicking the pathological changes seen in the kidneys of the SRNS individuals with NUP107 mutations. Considering the unique properties of the podocyte (highly differentiated foot-process architecture and slit membrane and the inability to regenerate), we propose a ''podocyte-injury model'' as the pathomechanism for SRNS due to biallelic NUP107 mutations.
Oguri, S.,Choi, J.,Damayanthi, T.,Hattori, M.,Hazumi, M.,Ishitsuka, H.,Karatsu, K.,Mima, S.,Minowa, M.,Nagasaki, T. Springer Science + Business Media 2016 Journal of low temperature physics Vol.184 No.3
<P>Cosmic microwave background (CMB) is an important source of information about the origin of our universe. In particular, odd-parity large angular scale patterns in the CMB polarization, the primordial B-modes, are strong evidence for an inflationary universe, related to the accelerating expansion of the metric. We are developing a unique telescope, GroundBIRD, to take CMB polarization measurements. The telescope combines novel techniques: high-speed rotation scanning, cold optics, and microwave kinetic inductance detectors (MKIDs). We evaluated the response of MKIDs on the rotation stage. Method of shielding from the geo-magnetic field is established. We have also developed a receiver cryostat. We are able to maintain a sufficient cold status for observations on the optical configuration. We plan to start commissioning the system by observing CMB in Japan in 2015-2016. We will then deploy GroundBIRD in the Canary Islands for further scientific observations.</P>
Ohboshi, S.,Hanada, K.,Zhao, J.,Hattori, M.,Fujihara, N.,Umetsu, R.,Yoshida, T.,Tomogane, H. Asian Australasian Association of Animal Productio 1996 Animal Bioscience Vol.9 No.5
The purpose of this study was to evaluate some factors in the bovine embryonic development from one-cell to blastocyst using modified synthetic oviduct fluid medium (mSOFM), after maturation and in vitro fertilization of the oocytes. The embryonic development to the blastocyst stage was assessed at 7-10 days after in vitro fertilization, and the total cells in the blastocysts were counted by staining nuclei with fluorochrome. Some commercial calf sera (CS) and a superovulated cow serum had different effects on the embryonic development to the blastocyst stage (8.6-21.4%), dependent upon their product lots, although the development might not be affected at least by serum progesterone levels. ${\beta}$-Mercaptoethanol (${\beta}$-ME) supplemented into mSOFM was effective to the embryonic development (27.8%), as well as the co-culture system with cumulus cells (19.5%). In a serum- and feeder cell-free culture using mSOFM containing several growth factors and ${\beta}$-ME instead of CS plus co-cultured cumulus cells, bovine serum albumin (BSA, fraction V), but not polyvinyl alcohol (PVA), was highly effective in embryonic development to the blastocyst stage, almost comparable to CS in the serum-contained culture (CS, BSA and PVA; 27.8, 19.5 and 5.7%, respectively). However, fatty acid free BSA rather reduced the number of developed blastocysts, compared with fraction V BSA (7.3 vs 29.4%). In the serum- and feeder cell-free culture, supplement of glucose to the medium (final 2.0 mM) stimulated the cell proliferation of developing embryos 120 hr after in vitro fertilization. These results indicated that a serum-free medium supplemented with ${\beta}$-ME could successfully support the development of bovine one-cell embryos to the blastocyst stage. Moreover, supplement of glucose and fatty acids to the medium might support preferably the development and cell proliferation of embryos.