Search Results - "Koga, Daiki"

Facile Synthesis of 9,10,19,20-Tetraalkylporphycenes by Ono, Toshikazu, Koga, Daiki, Hisaeda, Yoshio

“…meso-Tetraalkylporphycenes were synthesized in a few steps using intramolecular oxidative coupling of the Z-isomer of 5,6-dialkyldipyrroethenes. The use of a…”
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Effects of exceeding stroke frequency of maximal effort on hand kinematics and hand propulsive force in front crawl by Koga, Daiki, Gonjo, Tomohiro, Kawai, Eisuke, Tsunokawa, Takaaki, Sakai, Shin, Sengoku, Yasuo, Homma, Miwako, Takagi, Hideki

“…This study aimed to assess kinematic and kinetic changes in front crawl with various stroke frequency (SF) conditions to investigate why swimming velocity (SV)…”
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Method for the Large-Scale Synthesis of Multifunctional 1,4-Dihydro-pyrrolo[3,2‑b]pyrroles by Tasior, Mariusz, Vakuliuk, Olena, Koga, Daiki, Koszarna, Beata, Górski, Krzysztof, Grzybowski, Marek, Kielesiński, Łukasz, Krzeszewski, Maciej, Gryko, Daniel T

“…A thorough investigation has enabled the optimization of the synthesis of 1,4-dihydro-pyrrolo­[3,2-b]­pyrroles. Although salts of such metals as vanadium,…”
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Gram-scale synthesis of porphycenes through acid-catalyzed oxidative macrocyclizations of E / Z -mixed 5,6-diaryldipyrroethenes by Ono, Toshikazu, Xu, Ning, Koga, Daiki, Ideo, Toshihiro, Sugimoto, Manabu, Hisaeda, Yoshio

“…The gram-scale production of porphycene derivatives is reported. This has been achieved by acid-catalyzed ring closure of an / -mixture of…”
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Relationship between Swimming Velocity and Trunk Twist Motion in Short-Distance Crawl Swimming by Hyodo, Hiroki, Koga, Daiki, Sengoku, Yasuo, Wada, Tadashi

“…This study aimed to estimate the trunk twist angle from the shoulder and hip rotation angles in short-distance crawl swimming and to elucidate the twist motion…”
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The Association of Cholesterol Uptake and Synthesis with Histology and Genotype in Cortisol-Producing Adenoma (CPA) by Motomura, Naoki, Yamazaki, Yuto, Koga, Daiki, Harashima, Shogo, Gao, Xin, Tezuka, Yuta, Omata, Kei, Ono, Yoshikiyo, Morimoto, Ryo, Satoh, Fumitoshi, Nakamura, Yasuhiro, Kwon, Go Eun, Choi, Man Ho, Ito, Akihiro, Sasano, Hironobu

“…Cortisol-producing adenoma (CPA) is composed of clear and compact cells. Clear cells are lipid abundant, and compact ones lipid poor but associated with higher…”
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Relationship Between Hand Kinematics, Hand Hydrodynamic Pressure Distribution and Hand Propulsive Force in Sprint Front Crawl Swimming by Koga, Daiki, Tsunokawa, Takaaki, Sengoku, Yasuo, Homoto, Kenta, Nakazono, Yusaku, Takagi, Hideki

“…This study investigated the relationship between hand kinematics, hand hydrodynamic pressure distribution and hand propulsive force when swimming the front…”
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Highly malleable haem-binding site of the haemoprotein HasA permits stable accommodation of bulky tetraphenylporphycenes by Sakakibara, Erika, Shisaka, Yuma, Onoda, Hiroki, Koga, Daiki, Xu, Ning, Ono, Toshikazu, Hisaeda, Yoshio, Sugimoto, Hiroshi, Shiro, Yoshitsugu, Watanabe, Yoshihito, Shoji, Osami

“…Iron( iii )- and cobalt( iii )-9,10,19,20-tetraphenylporphycenes, which possess bulky phenyl groups at the four meso positions of porphycene, were successfully…”
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Midnight reversal of ionospheric plasma bubble eastward velocity to westward velocity during geomagnetically quiettime: Climatology and its model validation by Sobral, José H.A., de Castilho, Vivian M., Abdu, M.A., Takahashi, Hisao, Paulino, I., Gasparelo, Ulisses A.C., Arruda, Daniela C.S., Mascarenhas, Matheus, Zamlutti, C.J., Denardini, C.M., Koga, Daiki, de Medeiros, A.F., Buriti, R.A.

“…In an effort to better understand the dynamics of westward velocities of the nocturnal F-region plasma, the climatology of the westward traveling plasma…”
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Role of Halobenzene Guest Molecules in Modulating Room Temperature Phosphorescence of Benzophenone–Naphthalene Diimide Inclusion Crystals by Tsukiyama, Yoshifumi, Yamamoto, Yusei, Koga, Daiki, Cui, Luxia, Hoshino, Yu, Hisaeda, Yoshio, Ono, Toshikazu

“…Materials exhibiting room temperature phosphorescence (RTP) have recently emerged as a subject of significant interest. In this study, we successfully created…”
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Synthesis of a meso‐Tetraalkylporphycene Bearing Reactive Sites: Toward Porphycene–Polydimethylsiloxane Hybrids with Enhanced Photophysical Properties by Ono, Toshikazu, Shinjo, Hyuga, Koga, Daiki, Hisaeda, Yoshio

“…meso‐Tetraalkyl porphycenes exhibit unique optical properties with wide potential applications. The very fact that incorporation of porphycenes into polymeric…”
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How do swimmers control their front crawl swimming velocity? Current knowledge and gaps from hydrodynamic perspectives by Takagi, Hideki, Nakashima, Motomu, Sengoku, Yasuo, Tsunokawa, Takaaki, Koga, Daiki, Narita, Kenzo, Kudo, Shigetada, Sanders, Ross, Gonjo, Tomohiro

“…The aim of this study was to review the literature on front crawl swimming biomechanics, focusing on propulsive and resistive forces at different swimming…”
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Observation of Crack Formation Caused by Twisting in REBCO Coated Conductors by Using Scanning Hall-Probe Microscopy by Inoue, Masayoshi, Kuga, Hibiki, Koga, Daiki, Tsukahara, Toya, Nakayama, Yasuhiro, Shiratsuchi, Yuichiro, Sekito, Shinya, Miwa, Ayumu, Yamada, Yutaka

“…In magnet applications using REBa 2 Cu 3 O y (RE = rare earth, Y, Gd, etc., REBCO) coated conductors, micro-cracks caused by mechanical slitting are one of the…”
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Does the flutter kick increase hand propulsion in front crawl swimming? by Homoto, Kenta, Gonjo, Tomohiro, Takagi, Hideki, Kudo, Shigetada, Sengoku, Yasuo, Tsunokawa, Takaaki, Koga, Daiki, Homma, Miwako

“…This study aimed to investigate the effect of the flutter kick on the propulsive force generated by a stroke. Eight male swimmers performed 20 m front crawl…”
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Comparison of foot pressure distribution and foot kinematics in undulatory underwater swimming between performance levels by Koga, Daiki, Nakazono, Yusaku, Tsunokawa, Takaaki, Sengoku, Yasuo, Kudo, Shigetada, Takagi, Hideki

“…This study aimed to elucidate the foot kinematics and foot pressure difference characteristics of faster swimmers in undulatory underwater swimming (UUS). In…”
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Hydrogen Bond Engineering Visualized by Picometer-Level Distortion of Planar Porphyrin Isomers by Koga, Daiki, Ono, Toshikazu, Shinjo, Hyuga, Hisaeda, Yoshio

“…Directly investigating hydrogen bond (HB) dynamics in molecular materials is a challenging task. Here, we report a set of porphyrin isomers, porphycenes, that…”
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Evidence of prompt penetration electric fields during HILDCAA events by Regia Pereira Silva, Andrade Sobral, Jose Humberto, Koga, Daiki, Jonas Rodrigues Souza

“…High-intensity, long-duration continuous auroral electrojet (AE) activity (HILDCAA) events may occur during a long-lasting recovery phase of a geomagnetic…”
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Observational Aspects of Magnetic Reconnection at the Earth’s Magnetosphere by Souza, Vitor M., Koga, Daiki, Gonzalez, Walter D., Cardoso, Flavia R.

“…Magnetic field reconnection has shown to be the dominant process in the solar wind-Earth’s magnetosphere interaction. It enables mass, momentum, and energy…”
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Gram-scale synthesis of porphycenes through acid-catalyzed oxidative macrocyclizations of E/Z-mixed 5,6-diaryldipyrroethenesElectronic supplementary information (ESI) available: Details of experimental procedure, general information for measurements and materials. CCDC 1868292-1868294 and 1868296. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c8ra09040h by Ono, Toshikazu, Xu, Ning, Koga, Daiki, Ideo, Toshihiro, Sugimoto, Manabu, Hisaeda, Yoshio

“…The gram-scale production of porphycene derivatives is reported. This has been achieved by acid-catalyzed ring closure of an E / Z -mixture of…”
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Phase coherence of MHD waves in the solar wind by Hada, Tohru, Koga, Daiki, Yamamoto, Eiko

“…Large amplitude MHD waves are commonly found in the solar wind. Nonlinear interactions between the MHD waves are likely to produce finite correlation among the…”
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