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An Assistant System for Riding a Unicycle
M. Iwase,Y. Kanai,M. Kinoshita,S. Hatakeyama,Y. Kashimura,I. Hanazaki,T. Yokoyama,H. Higaki,K. Fujisawa 한국과학기술원 인간친화 복지 로봇 시스템 연구센터 2007 International Journal of Assistive Robotics and Me Vol.8 No.1
The final purpose of this study is to design a control system to assist in the skill of riding a unicycle. To realize such a system, it is necessary to make a mathematical model and to analyze the dynamics of the unicycle. It is ideal that the dynamics of a unicycle is kept as original as possible even if any automatic support control is required to assist the operator. Thus, this paper presents modeling of the unicycle and a control system design by the controlled Lagrangian to realize this type of controller.
In-vivo Imaging of Developing Wings in Butterfly Pupa by Using Optical Coherence Tomography
M. Kambe,S. Kinoshita,M. Ohmi,M. Haruna 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.53 No.2
Optical coherence tomography (OCT) is a non-invasive tomographic imaging technique and has been extensively used in biomedical and histological studies. Using OCT, we have succeeded, for the first time, in visualizing a developing wing in a butter y pupa. Comparing the cross sections of the pupa in each stage of development with those obtained by using conventional invasive methods, we have obtained overall agreement between these different methodologies. Although the spatial resolution is by far inferior, it should be emphasized that OCT essentially offers real-time information.
Frost, Jennifer M.,Kim, M. Yvonne,Park, Guen Tae,Hsieh, Ping-Hung,Nakamura, Miyuki,Lin, Samuel J. H.,Yoo, Hyunjin,Choi, Jaemyung,Ikeda, Yoko,Kinoshita, Tetsu,Choi, Yeonhee,Zilberman, Daniel,Fischer, R National Academy of Sciences 2018 PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF Vol.115 No.20
<▼1><P><B>Significance</B></P><P>The chromatin remodeling activities of the FACT (facilitates chromatin transactions) complex are required for many cellular functions, including transcription, DNA replication, and repair. Here, we demonstrate that the two FACT subunits, SSRP1 and SPT16, are also required for genome-wide DNA demethylation and regulation of gene imprinting during <I>Arabidopsis</I> reproduction. Without FACT, <I>Arabidopsis</I> seeds undergo abnormal development and exhibit aberrant DNA hypermethylation, including at imprinting control region loci. We show that FACT associates with the DEMETER (DME) DNA demethylase, facilitating DNA demethylation at over half of DME’s targets, specifically those which reside in heterochromatin. These results provide insight into upstream events in the DNA demethylation pathway and reveal the importance of chromatin remodeling for DNA demethylation during <I>Arabidopsis</I> reproduction.</P></▼1><▼2><P>The DEMETER (DME) DNA glycosylase catalyzes genome-wide DNA demethylation and is required for endosperm genomic imprinting and embryo viability. Targets of DME-mediated DNA demethylation reside in small, euchromatic, AT-rich transposons and at the boundaries of large transposons, but how DME interacts with these diverse chromatin states is unknown. The STRUCTURE SPECIFIC RECOGNITION PROTEIN 1 (SSRP1) subunit of the chromatin remodeler FACT (facilitates chromatin transactions), was previously shown to be involved in the DME-dependent regulation of genomic imprinting in <I>Arabidopsis</I> endosperm. Therefore, to investigate the interaction between DME and chromatin, we focused on the activity of the two FACT subunits, SSRP1 and SUPPRESSOR of TY16 (SPT16), during reproduction in <I>Arabidopsis</I>. We found that FACT colocalizes with nuclear DME in vivo, and that DME has two classes of target sites, the first being euchromatic and accessible to DME, but the second, representing over half of DME targets, requiring the action of FACT for DME-mediated DNA demethylation genome-wide. Our results show that the FACT-dependent DME targets are GC-rich heterochromatin domains with high nucleosome occupancy enriched with H3K9me2 and H3K27me1. Further, we demonstrate that heterochromatin-associated linker histone H1 specifically mediates the requirement for FACT at a subset of DME-target loci. Overall, our results demonstrate that FACT is required for DME targeting by facilitating its access to heterochromatin.</P></▼2>
Osman, S.A.M.,Sekino, M.,Nishihata, A.,Kobayashi, Y.,Takenaka, W.,Kinoshita, K.,Kuwayama, T.,Nishibori, M.,Yamamoto, Y.,Tsudzuki, M. Asian Australasian Association of Animal Productio 2006 Animal Bioscience Vol.19 No.10
This is the first study in which genetic variability and relationships of a large number of Japanese chicken breeds were revealed along with those of several foreign breeds by using microsatellite DNA polymorphisms. Twenty-eight breeds (34 populations) of native Japanese chickens and seven foreign breeds or varieties were analyzed. The mean number of alleles per locus, the proportion of the polymorphic loci, and the expected average heterozygosity ranged from 1.75 to 4.70, from 0.55 to 1.00, and from 0.21 to 0.67, respectively. Microsatellite alleles being unique to a particular population were detected in some populations. The $D_A$ genetic distance between populations was obtained from allele frequency for every pair of the populations to construct a neighbor-joining tree. According to the phylogenetic tree, excluding a few exceptions, native Japanese chicken breeds and foreign breeds were clearly separated from each other. Furthermore, the tree topology divided native Japanese chickens into four main classes, which was almost in accordance with the classification based on body morphology; that is, (1) Cochin type, (2) Malay type, (3) layer type, and (4) intermediate type between Malay and layer types. This is the first finding for native Japanese chickens.
Lin, W.,Byrne, T.B.,Kinoshita, M.,McNeill, L.C.,Chang, C.,Lewis, J.C.,Yamamoto, Y.,Saffer, D.M.,Casey Moore, J.,Wu, H.Y.,Tsuji, T.,Yamada, Y.,Conin, M.,Saito, S.,Ito, T.,Tobin, H.J.,Kimura, G.,Kanagaw Elsevier Scientific Publishing Co 2016 Tectonophysics Vol.692 No.2
<P>To better understand the distribution of three dimensional stress states in the Nankai subduction zone, southwest Japan, we review various stress-related investigations carried out in the first and second stage expeditions of the Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE) by the Integrated Ocean Drilling Program (IODP) and compile the stress data. Overall, the maximum principal stress sigma(l) in the shallower levels (<similar to 1 km) is vertical from near the center of forearc basin to near the trench and; the maximum horizontal stress S-Hmax (interpreted to be the intermediate principal stress sigma(2)) is generally parallel to the plate convergence vector. The exception to this generalization occurs along the shelf edge of the Nankai margin where S-Hmax, is along strike rather than parallel to the plate convergence vector. Reorientation of the principal stresses at deeper levels (e.g., >similar to 1 km below seafloor or in underlying accretionary prism) with sigma(1) becoming horizontal is also suggested at all deeper drilling sites. We also make a comparison of the stress state in the hanging wall of the frontal plate-interface between Site C0066 in the Nankai and Site C0019 in the Japan Trench subduction zone drilled after the 2011 Mw 9.0 Tohoku-Oki earthquake. In the Japan Trench, a comparison between stress state before and after the 2011 mega-earthquake shows that the stress changed from compression before the earthquake to extension after the earthquake. As a result of the comparison between the Nankai Trough and Japan Trench, a similar current stress state with trench parallel extension was recognized at both C0006 and C0019 sites. Hypothetically, this may indicate that in Nankai Trough it is still in an early stage of the interseismic cycle of a great earthquake which occurs on the decollement and propagates to the toe (around site C0006). (C) 2015 Elsevier B.V. All rights reserved.</P>
Progress and prospects in nanoscale dry processes: How can we control atomic layer reactions?
Ishikawa, Kenji,Karahashi, Kazuhiro,Ichiki, Takanori,Chang, Jane P.,George, Steven M.,Kessels, W. M. M.,Lee, Hae June,Tinck, Stefan,Um, Jung Hwan,Kinoshita, Keizo Institute of Pure and Applied Physics 2017 Japanese Journal of Applied Physics Vol. No.
<P>In this review, we discuss the progress of emerging dry processes for nanoscale fabrication. Experts in the fields of plasma processing have contributed to addressing the increasingly challenging demands in achieving atomic-level control of material selectivity and physicochemical reactions involving ion bombardment. The discussion encompasses major challenges shared across the plasma science and technology community. Focus is placed on advances in the development of fabrication technologies for emerging materials, especially metallic and intermetallic compounds and multiferroic, and two-dimensional (2D) materials, as well as state-of-the-art techniques used in nanoscale semiconductor manufacturing with a brief summary of future challenges. (C) 2017 The Japan Society of Applied Physics</P>
Kinoshita, Yoshihiro,Chen, Junwen,Rapee, Ronald M.,Bö,gels, Susan,Schneier, Franklin R.,Choy, Yujuan,Kwon, Jung-Hye,Liu, Xinghua,Schramm, Elisabeth,Chavira, Denise A.,Nakano, Yumi,Watanabe, Norio Lippincott Williams Wilkins, Inc. 2008 Journal of nervous and mental disease Vol.196 No.4
Conviction subtype Taijin-Kyofu (c-TK) is a subgroup of mental disorder characterized by conviction and strong fear of offending others in social situations. Although the concept of c-TK overlaps with that of social anxiety disorder (SAD), patients with c-TK often may not be diagnosed as such within the current Diagnostic and Statistical Manual of Mental Disorders (DSM)-IV criteria. We propose the Nagoya-Osaka criteria to amend this situation. This study examined the cross-cultural interrater reliability of the proposed criteria. Eighteen case vignettes of patients with a variety of complaints focused around social anxieties were collected from 6 different countries, and diagnosed by 13 independent raters from various nationalities according to the original DSM-IV and the expanded criteria. The average agreement ratio for the most frequent diagnostic category in each case was 61.5% with DSM-IV and 87.6% with the modified DSM-IV with Nagoya-Osaka criteria (p < 0.001). These findings indicate that the Nagoya-Osaka criteria for SAD can improve interrater reliability of SAD.