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212 results on '"Satoh, Makoto"'

4. Development of a variable refrigerant flow system emulator to host the second World Championship in Cybernetic Building Optimization.

Author

Togashi, Eisuke, Kobayashi, Taiki, Ogata, Hajime, Hatada, Hiroyuki, Ayame, Hisao, Edahiro, Katsuyuki, Satoh, Makoto, Ukai, Masanari, Momota, Masashi, Miyata, Masato, Giannetti, Niccolo, Nagashima, Sei, Ueno, Takahiro, Katayama, Tomoya, Yamaguchi, Yohei, and Iio, Yuichiro

Subjects
WORLD championships, THERMAL comfort, ENERGY conservation in buildings, REFRIGERANTS, CYBERNETICS, CONTROL (Psychology)
Abstract

This paper introduces an emulator developed to assess the operational characteristics of variable refrigerant flow (VRF) for the second World Championship in Cybernetic Building Optimization (WCCBO). The emulator utilizes BACnet communication and provides a realistic simulation for evaluating energy conservation and comfort in buildings with VRF systems. Herein, we discuss the building specifications for calculation, operation of the emulator, calculation method for the vertical temperature distribution, dissatisfactory rate calculation, and consideration of championship rules. Notably, a thermal preference model was developed for predicting the thermal sensation of occupants and adjusting the dissatisfaction rate based on their ability to control the indoor environment. In addition, we developed a method for calculating the total scores during the WCCBO and devised a suitable network structure for score registration. The results of this study highlight the importance of personal control and impact of drafts on thermal comfort. This paper presents a meta-level methodology to determine the best operation for each specific VRF system for a future world championship, whose planning is underway and will be conducted to accumulate information on optimal operations. [ABSTRACT FROM AUTHOR]

Published
2024
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8. Metabolic flexibility during sleep

Author

Zhang, Simeng, Tanaka, Yoshiaki, Ishihara, Asuka, Uchizawa, Akiko, Park, Insung, Iwayama, Kaito, Ogata, Hitomi, Yajima, Katsuhiko, Omi, Naomi, Satoh, Makoto, Yanagisawa, Masashi, Sagayama, Hiroyuki, and Tokuyama, Kumpei

Published
2021
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20. Morning preference is associated with subjective happiness among Japanese female workers: A moderation analysis by sleep characteristics from the SLEPT study.

Author

Hori, Daisuke, Arai, Yo, Morita, Emi, Ikeda, Yu, Muroi, Kei, Ishitsuka, Mami, Ikeda, Tomohiko, Takahashi, Tsukasa, Doki, Shotaro, Oi, Yuichi, Sasahara, Shinichiro, Ishihara, Asuka, Matsumoto, Sumire, Kanbayashi, Takashi, Yanagisawa, Masashi, Satoh, Makoto, and Matsuzaki, Ichiyo

Subjects
SLEEP interruptions, SLEEP quality, MORNINGNESS-Eveningness Questionnaire, HAPPINESS, SLEEP
Abstract

Research on mental health in working populations has predominantly focussed on negative outcomes, while studies on the positive aspects of life remain very limited, especially in Japan. Although morningness has recently been considered a factor for being happy, the role of sleep characteristics as it relates to the association between morningness and happiness has not been substantiated. The aim of this study is to investigate the associations between diurnal preference and level of subjective happiness in healthy, full-time, daytime workers in Japan. We also tested the moderation effect of sleep parameters on the relationship between diurnal preference and subjective happiness. This is an exploratory analysis from the cross-sectional data of the SLeep Epidemiology Project at the University of Tsukuba (SLEPT Study). Subjective happiness was evaluated using a single-item question. Diurnal preference was assessed using the Morningness-Eveningness Questionnaire (MEQ), in which higher scores indicate greater tendency to have morning preference. The participants underwent assessment of sleep parameters for 7 consecutive days using a waist-worn actigraphy device and kept a sleep diary. Sleep parameters investigated were subjective sleep quality, sleep disturbance, daytime sleepiness, weekend oversleep, total sleep time, sleep onset time, wake time, and sleep efficiency. A total of 205 males (average 42.6 ± 10.4 years) and 272 females (41.1 ± 9.8 years) were eligible for analysis. Hierarchical liner regression analysis was used to show the relationships of subjective happiness with MEQ score, and the sleep parameters. Further, moderation analysis was conducted by adding the interaction between MEQ score and the sleep parameters. After adjusting for age, psychological distress, self-rated health, and occupational stress, we found that subjective happiness was significantly associated with higher MEQ score and sleep efficiency but only in female. The moderating role of sleep parameters was not found. We discussed the implications of the obtained results and a possible strategy to maintain and improve subjective happiness of female workers who have evening preference. [ABSTRACT FROM AUTHOR]

Published
2022
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21. Shock Waves Enhance Expression of Glycosphingolipid Tumor Antigen on Renal Cell Carcinoma: Dynamics of Physically Unmasking Hidden Intracellular Markers Independent of Gene-Signaling Pathways.

Author

Hosano, Nushin, Moosavi-Nejad, Zahra, Satoh, Makoto, and Hosano, Hamid

Subjects
TUMOR antigens, TUMOR markers, SHOCK waves, RENAL cell carcinoma, KIDNEY tumors, IMMUNOELECTRON microscopy, MONOCLONAL antibodies
Abstract

Antigens associated with tumors have proven valuable in cancer immunotherapy. Their insufficient expression in the majority of tumors, however, limits their potential value as therapeutic markers. Aiming for a noninvasive approach applicable in clinical practice, we investigated the possibility of using focused shock waves to induce membrane expression of hidden intracellular tumor markers. Here, we studied the in vitro effect of a thousand focused shock waves at 16 MPa overpressure on the membrane expression of a cytosolic glycosphingolipid, monosialosyl-galactosyl-globoside (MSGG). Double-staining flow cytometry with propidium-iodide and monoclonal antibody RM1 revealed an immediate increase in MSGG expression on renal carcinoma cells (18% ± 0.5%) that reached its peak value (20.73% ± 0.4%) within one hour after the shock waves. The results of immunoelectron microscopy confirmed the incorporation of MSGG into newly formed cytosolic vesicles and their integration with the cell membrane. Based on the enzymatic nature of MSGG production that is not controlled directly by genes, the immediate upregulation of MSGG membrane expression implies that a chain of mechanochemical events affecting subcellular structures are responsible for the shock-wave-induced antigenic modification. Physically unmasking hidden tumor antigens and enhancing their expression by focused shock waves presents a potential noninvasive method of boosting tumor immunogenicity as a theranostic strategy in cancer immunotherapy. [ABSTRACT FROM AUTHOR]

Published
2022
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22. Intravesical Seeding of Upper Urinary Tract Urothelial Carcinoma Cells During Nephroureterectomy: An Exploratory Analysis from the THPMG Trial

Author

Ito, Akihiro, Shintaku, Ichiro, Satoh, Makoto, Ioritani, Naomasa, Tochigi, Tatsuo, Numata, Isao, Namima, Takashige, Kambe, Koichi, Kyan, Atsushi, Ueno, Seiji, Katoh, Shinnosuke, Adachi, Hisanobu, Yamashita, Shinichi, Yamaguchi, Takuhiro, Arai, Yoichi, Aizawa, Masataka, Kawamura, Sadafumi, Aoki, Hiroshi, Takeda, Atsushi, Namiki, Shunichi, Ikeda, Yoshihiro, and Tokuyama, Satoru

Published
2013
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23. Demographic characteristics of 3,659 Japanese patients with obstructive sleep apnea–hypopnea syndrome diagnosed by full polysomnography: associations with apnea–hypopnea index

Author

Ohdaira, Fumi, Nakamura, Kazutoshi, Nakayama, Hideaki, Satoh, Makoto, Ohdaira, Tetsuro, Nakamata, Masami, Kohno, Masaki, Iwashima, Akira, Onda, Akira, Kobayashi, Yoshiaki, Fujimori, Katsuya, Kiguchi, Toshio, Izumi, Shuji, Kobayashi, Tadaharu, Shinoda, Hideo, Takahashi, Sugata, Gejyo, Fumitake, and Yamamoto, Masaharu

Published
2007
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34. Development of variable refrigerant flow heat-pump model for annual-energy simulation.

Author

Togashi, Eisuke and Satoh, Makoto

Subjects
HEAT pumps, REFRIGERANTS, HEATING load, ENERGY consumption, HEAT recovery, SIMULATION methods & models
Abstract

In this study, a model of a variable refrigerant flow (VRF) heat pump is developed that combines multiple physical equations into only one characteristic equation. The parameters of the characteristic equation are estimated according to the specifications in the manufacturer catalog published based on the definitions established by the Japanese Industrial Standards. This model allows the evaluation of effects that cannot be represented by the conventional models; for example, defrost, unbalanced heat loads, changes in pipe length, and changes in indoor and outdoor temperature, and humidity. The model is sufficiently fast for use in practical applications because it can perform calculation for building with 10,000 m2 floor area in 1 min. The effects of the above-described characteristics on the energy performance vary depending on the local climate. The availability of such a model facilitates the comparison of VRF-system configurations during their design phase, which improves the energy efficiency of buildings. [ABSTRACT FROM AUTHOR]

Published
2021
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