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Effect of Starvation on Survival Rate and Body Composition of
Yang-Su Kim*, Shinj i Yamamoto, Chihiro Aoki, Amal Biswas,Yoshifumi Sawada, Kenj i Takii and Osamu Murata 전남대학교 수산과학연구소 2014 수산과학연구소논문집 Vol.22 No.-
The effect of starvation on Pacific bluefin tuna Thunnus orientalis (PBT) juveniles was investigated according to two stages, weaning stage (0.8±0.2 g) at 25 days post hatching (dph) and transportation stage (3.8±1.2 g) at 36 dph. The juveniles were then transferred (0 h) into each tank from the mass production tank. Starved PBT juveniles were collected from one random tank at 3, 6, 9, 29 and 93 h (25 dph), and 12, 24, 36, 48, 60 and 72 h (36 dph). The survival rate of 25 dph remained above 80% until 78 h: moreover the standard length and weight were increased until 9 h of starvation. However, the survival rate of 36 dph rapidly decreased to 42% at 48 h, and the standard length and weight were gradually decreased until the end of starvation. Whole body lipid and glycogen were rapidly consumed initially and moreover, the protein and energy contents were gradually and steadily decreased during starvation in both experiments. When compared to the linear regression analysis between energy consumption and starvation time, there was a statistical difference between the experiments (P < 0.05). These results suggest that energy mobilization differs between the weaning (25 dph) and transportation stages (36 dph). Further, it is assumed that the juveniles are more sensitive to starvation at 25 dph.
Nagatsuka, H,Murata, M,Shin, H.I,Choi, K.S,Nagai, N 경북대학교 의학연구소 1999 경북대학교병원의학연구소논문집 Vol.3 No.1
Verruciform xanthoma is an uncommon beniㅎn lesion of unknown aetiology and pathogenesis. Two cases of verruciform xanthoma are presented together with an immunohistochemical and ultra-structural study. One case co-occurred with an odontogenic keratocyst which, to our knowledge, has not been previously reported and another case occurred on masticatory mucosa with an asympto-matic, granular exophytic lesion causing a cleft-like gingival recession. In an immunohistochemical study using antibodies to macrophage (CD 68[KP1]), alpha-1-antitrypsin, vimentin, desmin, keratin, neuron-specific enolase (NSE) and S-100 protein, the characteristic foam cells of verruciform xanthoma showed strong positive staining far CD 68[KPl] and vimentin and weak positive staining for a1pha-1-antitrypsin, while the other antibodies were negative. As in previous studies, S-100 protein positive dendritic cells were detected in lesional connective tissue. In addition, the ultrastructural findings revealed characteristics of macrophages containing varying sized lipid vacuoles and degen-erating epithelial cells. These findings suppotr the concepts that the foam cells in verruciform xan-thoma are of monocyte-macrophage lineage and that the epithelial degeneration from uncertain causes may be related to the pathogenesis of the lesion. ⓒ1997 Elsevier Science Ltd
AKARI-NEP : EFFECTS OF AGN PRESENCE ON SFR ESTIMATES OF GALAXIES
L. Marchetti,A. Feltre,S. Berta,I. Baronchelli,S. Serjeant,M. Vaccari,D. Bulgarella,M.Karouzos,K. Murata,N.Oi,C. Pearson,G. Rodighiero,C. Segdwick,G. J. White 한국천문학회 2017 天文學論叢 Vol.32 No.1
How does the presence of an AGN influence the total SFR estimates of galaxies and change their distribution with respect to the \textit{Galaxy Main Sequence}?To contribute to solving this question, we study a sample of 1133 sources detected in the North Ecliptic Pole field (NEP) by AKARI and Herschel. We create a multi-wavelength dataset for these galaxies and we fit their multi-wavelength Spectral Energy Distribution (SED) using the whole spectral regime (from 0.1 to 500 $\mu$m). We perform the fit using three procedures: \texttt{LePhare} and two optimised codes for identifying AGN tracers from the SED analysis. In this work we present an overview of the comparison between the estimates of the Infrared bolometric luminosities (between 8 and 1000 $\mu$m) and the AGN fractions obtained exploiting these different procedures. In particular, by estimating the AGN contribution in four different wavelength ranges (5-40 $\mu$m, 10-20 $\mu$m, 20-40 $\mu$m and 8-1000 $\mu$m) we show how the presence of an AGN affects the PAH emission by suppressing the ratio $\frac{L_{\rm8~\mu m}}{L_{\rm4.5~\mu m}}$ as a function of the considered wavelength range.
S. Ohnishi,K. Kondo,S. Sato,K. Ochiai,K. Takakura,C. Konno,I. Murata 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
A new collimator system was constructed to produce a new collimated DT neutron beam for new integral benchmark experiments at the first target room of the Fusion Neutronics Source facility in Japan Atomic Energy Agency. The collimator system had been designed and optimized with a neutron transport calculation code and the performance of the collimated DT neutron beam was tested with an imaging plate, activation foil and a scintillation counter. The DT neutron flux at the exit of the collimator hole was 2.22 × 10^6 cm^(-2)s^(-1), which was 239 times as large as that at the 2 cm off-centered position. It was confirmed that the new DT neutron beam had a good performance as expected.