Search Results 1-20 of 959

  • Frequency switching between oscillatory homeostats and the regulation of p53.

    Ruoff Peter , Nishiyama Nobuaki , 西山 宣昭

    金沢大学国際基幹教育院

    PLOS ONE 15(5), e0227786-26p., 2020-05-20

    IR  DOI 

  • Striatal Beta Oscillation and Neuronal Activity in the Primate Caudate Nucleus Differentially Represent Valence and Arousal Under Approach-Avoidance Conflict

    Amemori Ken-ichi , Amemori Satoko , Gibson Daniel J. , Graybiel Ann M.

    … During value judgments of likes and dislikes, arousal responses simultaneously emerge and influence reaction times and the frequency of behavioral errors. … We analyzed 450 neuronal units and 667 beta oscillatory activities recorded during the performance of the task. … We examined arousal representation by focusing on beta responses and unit activities that encoded the frequency of omission errors (FOE), which were negatively correlated with arousal. …

    Frontiers in Neuroscience (14), 2020-02-07

    IR 

  • Management of a Preterm Infant with Renal Tubular Dysgenesis: A Case Report and Review of the Literature

    Kondoh Tomomi , Kawai Yuri , Matsumoto Yuji , Kumagai Naonori , Miyata Masafumi , Tanaka Kazuki , Hibino Satoshi , Fujita Naoya , Ikezumi Yohei

    … Respiratory management was successfully undertaken using nitric oxide inhalation and high-frequency oscillatory ventilation. …

    The Tohoku Journal of Experimental Medicine 252(1), 9-14, 2020

    J-STAGE 

  • Hemoglobin phase of oxygenation and deoxygenation in adults: an fNIRS study  [in Japanese]

    JASNI NURSYARIZAH AMIRAH , Sato Hiroki

    … fNIRS was used to obtain time-averaged phase differences between spontaneous low-frequency oscillatory changes in oxygenated hemoglobin(oxy-Hb)and deoxygenated hemoglobin(deoxy-Hb). …

    Transactions of Japanese Society for Medical and Biological Engineering Annual58(Abstract), 470-470, 2020

    J-STAGE 

  • Effect of the coupled oscillatory system on impact oscillations between a pantograph and a rigid conductor line  [in Japanese]

    NISHIYAMA Naoto , YAMASHITA Kiyotaka

    … In this paper, in order to suppress the impact oscillations, we add an oscillatory system coupled to the spring-mass system. … When the exciting frequency is near the second mode natural frequency in the two-degrees-of-freedom system, the impact oscillations between the main mass and the external excitation source is suppressed. …

    Transactions of the JSME (in Japanese) 86(881), 19-00251-19-00251, 2020

    J-STAGE 

  • Role of intracellular Ca2+–based mechanotransduction of human periodontal ligament fibroblasts

    Hlaing Ei Ei Hsu , Ishihara Yoshihito , Wang Ziyi , Odagaki Naoya , Kamioka Hiroshi

    … The oscillatory [Ca2+]i activity induced by static compressive force was measured by a live‐cell Ca2+ imaging system and evaluated by several feature extraction method. … The integration, variance, maximum amplitude, waveform length, and index J in the [Ca2+]i responses were also significantly increased, whereas the mean power frequency was attenuated in response to MS. The increased Moran's I after MS indicated that MS might affect the pattern of cell‐cell communication via GJs. …

    FASEB Journal 33(9), 10409-10424, 2019-09

    IR 

  • An Analysis of Stick-Slip Energy Harvester Using an L-shaped Oscillator  [in Japanese]

    NAKAMURA Kosuke , MASUDA Arata , SAWAI Chisato

    … <p>In this paper, an analysis of an energy harvesting device which converts a translational relative motion to an oscillatory motion via stick-slip motion is presented. …

    The Proceedings of the Dynamics & Design Conference 2019(0), 404, 2019

    J-STAGE 

  • Impact oscillations between two degrees of freedom mass-spring system and a sinusoidal plate  [in Japanese]

    NISHIYAMA Naoto , YAMASHITA Kiyotaka

    … In this paper, in order to suppress the impact oscillations, we add an oscillatory system coupled to the spring-mass system. … When the exciting frequency is near the second mode natural frequency in the two-degrees-of-freedom system, the impact oscillations between the main mass and the external excitation source is suppressed. …

    The Proceedings of the Dynamics & Design Conference 2019(0), 119, 2019

    J-STAGE 

  • ENHANCEMENT OF HEAT TRANSPORT BY OSCILLATORY FLOW USING MICROENCAPSULATED PHASE CHANGE MATERIAL SUSPENSION

    YAMADA Shota , OHARA Yuichi , TANAKA Gaku

    … Devices that utilize oscillatory flow technology are currently considered prime candidates for this function. … In oscillatory flow, longitudinal heat transport occurs due to an interaction between a nonuniform axial velocity profile and effective lateral heat transfer. … The present paper describes an experimental study of longitudinal heat transport by an oscillatory flow using a microencapsulated phase change material suspension (MPCMS). …

    The Proceedings of the International Conference on Nuclear Engineering (ICONE) 2019.27(0), 1653, 2019

    J-STAGE 

  • EVALUATION OF POTENTIAL FOR HIGH ENERGY LINE BREAK JET DYNAMIC LOADING INCLUDING FEEDBACK AMPLIFICATION AND RESONANCE EFFECTS

    Kauffman Storm , Charrouf Marwan , Jin-Kyoo Yoon , Sang-Gyu Lee , Tae-Joon Kim

    … Specifically, NRC Standard Review Plan Section 3.6.2 Revision 3 identifies a potential for jet load amplification associated with formation of unsteadiness in free jets that induces time varying oscillatory loads on obstacles in the flow path. …

    The Proceedings of the International Conference on Nuclear Engineering (ICONE) 2019.27(0), 1113, 2019

    J-STAGE 

  • Frequency Divider Using One-Dimensional Tunnel-Diode Oscillator Lattice Systems

    NARAHARA Koichi

    … <p>A one-dimensional lattice of tunnel-diode oscillators is investigated for potential high-speed frequency divider. … In the evolution of the investigated lattice, the high-frequency oscillation dominates over the low-frequency oscillation. …

    IEICE Transactions on Electronics E102.C(12), 845-848, 2019

    J-STAGE 

  • Prediction of Aircraft Dynamic Stability Derivatives Using Time-Spectral Computational Fluid Dynamics

    MIYAJI Koji , YOSHIDA Yu

    … The time-spectral, or reduced-frequency, method has been developed for RANS simulations on unstructured grids. … Dependency of the damping-in-pitch and oscillatory longitudinal stability on the Mach number agreed reasonably well with the experimental results. … Both the instantaneous flow field and frequency characteristics obtained directly from the time-spectral results are discussed to determine the effect of Mach number on the stability derivatives.</p> …

    TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 62(6), 291-298, 2019

    J-STAGE 

  • Collisional Merging of Field-Reversed Configurations in the FAT-CM Device Form Targets for the Excitation of Low-Frequency Waves

    HOSOZAWA Akiyoshi , TAKAHASHI Toshiki , ASAI Tomohiko , TAKAHASHI Tsutomu , SEKIGUCHI Junichi , HIROHASHI Kouji , OKADA Sigefumi , GOTA Hiroshi , ROCHE Thomas , INOMOTO Michiaki

    … <p>We have conducted collisional merging of field-reversed-configuration (FRC) plasmas in the FAT-CM (FRC Amplification <i>via </i>Translation-Collisional Merging) device to generate merged FRCs as targets for the excitation of low-frequency waves. …

    Plasma and Fusion Research 14(0), 2402041-2402041, 2019

    J-STAGE 

  • Cell type-specific suppression of mechanosensitive genes by audible sound stimulation

    Kumeta Masahiro , Takahashi Daiji , Takeyasu Kunio , Yoshimura Shige H.

    細胞が音を聴く? --音により細胞に遺伝子応答が起こる可能性を示す--. 京都大学プレスリリース. 2018-02-01.

    PLOS ONE 13(1), 2018-01-31

    IR 

  • Is a Doubly Quantized Vortex Dynamically Unstable in Uniform Superfluids?

    Takeuchi Hiromitsu , Kobayashi Michikazu , Kasamatsu Kenichi

    … We analyze the system-size dependence of the excitation frequency of a doubly quantized vortex through large-scale simulations of the Bogoliubov–de Gennes equation, and find that the system remains dynamically unstable even in the infinite-system-size limit. … Perturbation and semi-classical theories reveal that the splitting instability radiates a damped oscillatory phonon as an opposite counterpart of a quasi-normal mode. …

    Journal of the Physical Society of Japan 87(2), 023601, 2018-01-17

    IR 

  • High frequency oscillatory ventilation (HFOV)  [in Japanese]

    櫻谷 正明 , 志馬 伸朗

    Intensivist = インテンシヴィスト 10(3), 649-658, 2018

    Ichushi Web 

  • A simple method for simultaneous monitoring of respiratory and cardiac function in mice

    Sato Motoshige , Matsumoto Nobuyoshi , Noguchi Asako , Okonogi Toya , Sasaki Takuya , Ikegaya Yuji

    … </p><p>We first isolated a low-frequency component from the cardiac rhythms using the fast Fourier transform on the single-lead ECG of anesthetized mice. … To validate that the slow oscillatory component corresponded to respiratory rhythms, we recorded ECG simultaneously with side abdominal movement and the local field potentials (LFPs) of the olfactory bulb. …

    Proceedings for Annual Meeting of The Japanese Pharmacological Society WCP2018(0), PO4-1-146, 2018

    J-STAGE 

  • Frequency dependence of the yielding phenomena and the particle trajectories in dense suspensions under oscillatory shear  [in Japanese]

    Imamura Momota , Kawasaki Takeshi , Miyazaki Kunimasa

    Meeting Abstracts of the Physical Society of Japan 73.2(0), 2613-2613, 2018

    J-STAGE 

  • Effects of the Vessel Diameter on Bubble-Induced Oscillation

    Kanai Yugo , Ryu Aimi , Kobayashi Koichiro , Suzukawa Kazumi

    … <p>A unique oscillatory phenomenon was observed in a horizontal cylindrical vessel. … it could accurately measure the oscillation frequency. … Using the oscillation sensor, the oscillation frequency was measured in each scale of vessel. … Changes in geometry, aeration system, and height of liquid surface did not affect the oscillation frequency. …

    JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 51(11), 909-916, 2018

    J-STAGE 

  • BASIC STUDY ON THE CHARACTERISTICS OF MICROSCOPIC FLOW NEARBY POROUS MEDIA IN WAVE FIELD  [in Japanese]

    NAKAJO Sota , KODUKA Izumi , TSUJIMOTO Gozo , SHIGEMATSU Takaaki

    多孔質構造物近傍の詳細な流動は,波浪減衰機構や攪拌性能,被災機構と密接な関係をもつが,数値計算,水理実験ともに困難である.本研究では,長周期性の波浪が作用する場に設置された多孔質体近傍の流動特性について,鉛直2次元断面の画像解析により得た高密度の計測データから明らかにした.波周期相当の流動の変動成分が間隙部において顕著に減衰することが時系列周波数解析等から示された.また間隙部平均の諸量を用いて乱れ …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 74(2), I_991-I_996, 2018

    J-STAGE 

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