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Slenderness ratio of telescopic cylinder-columns
Sugiyama, Yoshihiko,Ohtomo, Takamitsu Techno-Press 2001 Structural Engineering and Mechanics, An Int'l Jou Vol.12 No.3
The present paper deals with the effective slenderness ratio of telescopic cylinders as a long column having different cross sections. Firstly, the slenderness ratio defined in the current standard for the telescopic cylinders is discussed to point out some difficulties which arise when the ratio is applied to the column having different cross sections. Secondly, a new effective slenderness ratio is proposed for columns having different cross sections by introducing a partial effective slenderness ratio. Finally, the proposed slenderness ratio is applied, for extending and development of discussion, to a two-staged column having piece-wise constant cross sections and a cylindrical column having linearly varying diameters.
THE VLBI MONITORING PROJECT FOR 6.7 GHz METHANOL MASERS USING THE JVN/EAVN
SUGIYAMA, KOICHIRO,FUJISAWA, KENTA,HACHISUKA, KAZUYA,YONEKURA, YOSHINORI,MOTOGI, KAZUHITO,SAWADA-SATOH, SATOKO,MATSUMOTO, NAOKO,SAITO, YU,HIRANO, DAIKI,HAYASHI, KYONOSUKE,SHEN, ZHIQIANG,HONMA, MAREKI The Korean Astronomical Society 2015 天文學論叢 Vol.30 No.2
We have initiated a Very Long Baseline Interferometer (VLBI) monitoring project of 36 methanol maser sources at 6.7 GHz using the Japanese VLBI Network (JVN) and East-Asian VLBI Network (EAVN), starting in August 2010. The purpose of this project is to systematically reveal 3-dimensional (3-D) kine-matics of rotating disks around forming high-mass protostars. As an initial result, we present proper mo- tion detections for two methanol maser sources showing an elliptical spatial morphology, G 002.53+00.19 and G 006.79-00.25, which could be the best candidates associated with the disk. The detected proper motions indicate a simple rotation in G 002.53+00.19 and rotation with expansion in G 006.79-00.25, respectively, on the basis of disk model fits with rotating and expanding components. The expanding motions might be caused by the magnetic-centrifugal wind on the disk.
The Nutrition Assessment and Care for the Elderly in Japan
Sugiyama, Michiko,Nishimura, Akio,Koyama, Hideo Korean Society of Community Nutrition 2000 Journal of community nutrition Vol.2 No.1
In Japan, a new nursing insurance system was enforced in April 2000, where premiums were paid according to the level of necessary care. Our project, Nutrition Care and Management(NCM) for the elderly was started in 1995, funded by the Ministry of Health and Welfare of Japan. The NCM project was to provide appropriate nutrition care for the elderly and to see that it effectively functions as part of the health care services. There were 4 stages to the project : the first stage was to find out the PEM status among the elderly patients in hospital and home-care settings in Japan. The 2nd stage was to develop and evaluate nutritional assessment methods, anthropometry, resting energy expenditure measuring methods using of portable indirect calorimeter, and the convenient protein energy intake assessment methods, etc. for the elderly patients with PEM risk. The 3rd stage was to examine the effectiveness of the nutrition care plan induced of protein energy supplement and team care in improving nutrition among the elderly patients. The last stage was to develop the NCM set for the elderly patient based on the past three years of scientific evidence. it is expected that the NCM system for the elderly will provide adequate nutritional care management, improve the elderly care environment and create effective resource management.
Sugiyama, Yukiko,Nagata, Yoshie,Fukuta, Fumimasa,Takayanagi, Akio,Masumori, Naoya,Tsukamoto, Taiji,Akasaka, Hiroshi,Ohnishi, Hirofumi,Saito, Shigeyuki,Miura, Tetsuji,Moriyama, Kaoru,Tsuji, Hirokazu,Ak Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.6
Background: Isoflavones, which are included in soybeans, have been suggested to protect against prostate cancer. Equol, one of isoflavones, is an intestinally derived bacterial metabolite of daidzein. A newly identified equol-producing bacterium, Slackia sp. strain NATTS, with a high equol-producing activity was isolated from human feces in Japanese adults. Counts of Slackia sp. strain NATTS in intestinal flora have not been assessed with regard to prostate cancer risk. In this study, we investigated the association of serum isoflavones and counts of Slackia sp. strain NATTS with prostate cancer risk in a case-control study. Materials and Methods: Concentrations of isoflavones and counts of Slackia sp. strain NATTS in feces were measured from 44 patients with prostate cancer and 28 hospital controls. The risk of prostate cancer was evaluated in terms of odds ratios (ORs) and 95% confidence intervals (CIs) by the logistic regression analysis. Results: The detection proportions of Slackia sp. strain NATTS in cases and controls were 34.1% and 25.0%, respectively. Counts of Slackia sp. strain NATTS were significantly correlated with serum concentrations of equol both in cases and controls (Spearman correlation coefficients, $r_s$=0.639 and $r_s$=0.572, p<0.01, respectively). Serum concentrations of genistein, daidzein, glycitein, and equol were not significantly associated with risk of prostate cancer. Conclusions: This study found that counts of Slackia sp. strain NATTS correlated with serum concentrations of equol both in prostate cancer cases and controls, but serum isoflavone concentrations were not associated with risk of prostate cancer in our patients.
Prediction of Wear Depth Distribution by Slurry on a Pump Impeller
Sugiyama, Kenichi,Nagasaka, Hiroshi,Enomoto, Takeshi,Hattori, Shuji Korean Society for Fluid machinery 2009 International journal of fluid machinery and syste Vol.2 No.1
Slurry wear with sand particles in rivers is a serious problem for pump operation. Therefore, a technique to predict wear volume loss is required for selecting wear resistant materials and determining specifications for the maintenance period. This paper reports a method for predicting the wear depth distribution on the blade of an impeller. Slurry wear tests of an aluminum pump impeller were conducted. Prediction results of wear depth distribution approximately correspond with the results of slurry wear tests. This technique is useful for industrial application.
Sugiyama, Takashi,Wang, Jen-Chywan,Scott, Donald K.,Granner, Daryl K. American Society for Biochemistry and Molecular Bi 2000 The Journal of biological chemistry Vol.275 No.5
Chicken ovalbumin upstream promoter-transcription factors (COUP-TFs), orphan members of the nuclear receptor superfamily, play a key role in the regulation of organogenesis, neurogenesis, and cellular differentiation during embryogenic development. COUP-TFs are also involved in the regulation of several genes that encode metabolic enzymes. Although COUP-TFs function as potent transcription repressors, there are at least three different molecular mechanisms of activation of gene expression by COUP-TFs, First, as we have previously shown, COUP-TF is required as an accessory factor for the complete induction of phosphoenolpyruvate carboxykinase gene transcription by glucocorticoids, This action is mediated by the binding of COUP-TF to the glucocorticoid accessory factor 1 (gAF1) and 3 (gAF3) elements in the phosphoenolpyruvate carboxykinase gene glucocorticoid response unit. In addition, COUP-TF1 binds to DNA elements in certain genes and transactivates directly. Finally, COUP-TF1 serves as a coactivator through DNA-bound hepatic nuclear factor 4, Here we show that the same region of COUP-TFI, located between amino acids 184 and 423, is involved in these three mechanisms of transactivation by COUP-TFI, Furthermore, we show that GRIP1 and SRC-1 potentiate the activity of COUP-TFI and that COUP-TFI associates with these coactivators in vivo using the same region required for transcription activation. Finally, overexpression of GRIP1 or SRC-1 does not convert COUP-TFI from a transcriptional repressor into a transcriptional activator in HeLa cells.
Photocurrent attenuation by a single polar-to-nonpolar point mutation of channelrhodopsin-2
Sugiyama, Yuka,Wang, Hongxia,Hikima, Takuya,Sato, Minami,Kuroda, Jun,Takahashi, Tetsuo,Ishizuka, Toru,Yawo, Hiromu Korean Society of Photoscience 2009 Photochemical & photobiological sciences Vol.8 No.3
Channelrhodopsin-2 (ChR2), one of the algal light-gated cation channel rhodopsins, contains five peculiar glutamic acid residues in the N-terminal region corresponding to the second to third transmembrane helices. Here we made systematic mutations of these polar amino acid residues of ChR2 into nonpolar alanine, and evaluated their photocurrent properties. Amongst them, the photocurrent generated by the E97A mutation, ChR2(E97A), was much smaller than expected from its expression. The ChR2(E97A) photocurrent was similar to wild-type ChR2 in the kinetic profiles, the reversal potential and the dependency to the light power density. Our results suggest that the residue E97 is one of the molecular determinants involved in the ion flux regulation.