Search Results - "Yasuyuki ARAKI"

Solvent Effects and Aggregation Phenomena Studied by Vibrational Optical Activity and Molecular Dynamics: The Case of Pantolactone by Ghidinelli, Simone, Abbate, Sergio, Koshoubu, Jun, Araki, Yasuyuki, Wada, Takehiko, Longhi, Giovanna

“…Raman and Raman optical activity (ROA), IR, and vibrational circular dichroism (VCD) spectra of (R)- and (S)-pantolactone have been recorded in three solvents…”
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Highly Fluorescent [7]Carbohelicene Fused by Asymmetric 1,2-Dialkyl-Substituted Quinoxaline for Circularly Polarized Luminescence and Electroluminescence by Sakai, Hayato, Shinto, Sho, Kumar, Jatish, Araki, Yasuyuki, Sakanoue, Tomo, Takenobu, Taishi, Wada, Takehiko, Kawai, Tsuyoshi, Hasobe, Taku

“…A new 1,2-dialkylquinoxaline-fused [7]­carbohelicene ([7]­Hl-NAIQx) was designed and synthesized by asymmetrically introducing two alkyl chains onto the…”
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Synthetic Control of the Excited-State Dynamics and Circularly Polarized Luminescence of Fluorescent "Push-Pull" Tetrathia[9]helicenes by Yamamoto, Yuki, Sakai, Hayato, Yuasa, Junpei, Araki, Yasuyuki, Wada, Takehiko, Sakanoue, Tomo, Takenobu, Taishi, Kawai, Tsuyoshi, Hasobe, Taku

“…A series of fluorescent “push‐pull” tetrathia[9]helicenes based on quinoxaline (acceptor) fused with tetrathia[9]helicene (donor) derivatives was synthesized…”
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Synthetic Control of Photophysical Process and Circularly Polarized Luminescence of [5]Carbohelicene Derivatives Substituted by Maleimide Units by Sakai, Hayato, Kubota, Takako, Yuasa, Junpei, Araki, Yasuyuki, Sakanoue, Tomo, Takenobu, Taishi, Wada, Takehiko, Kawai, Tsuyoshi, Hasobe, Taku

“…A series of [5]­carbohelicene derivatives substituted by electron-withdrawing maleimide and electron-donating methoxy, such as maleimide-substituted…”
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Random laser oscillation from an organic fluorescent dye loaded inside a porous zirconia medium by Sakurayama, Yukari, Onodera, Tsunenobu, Araki, Yasuyuki, Wada, Takehiko, Oikawa, Hidetoshi

“…Porous zirconia medium (PZrM) has been fabricated successfully using polystyrene microparticles (MPs) as templates. The emission spectra of rhodamine B (RhB)…”
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Controlled Excited-State Dynamics and Enhanced Fluorescence Property of Tetrasulfone[9]helicene by a Simple Synthetic Process by Yamamoto, Yuki, Sakai, Hayato, Yuasa, Junpei, Araki, Yasuyuki, Wada, Takehiko, Sakanoue, Tomo, Takenobu, Taishi, Kawai, Tsuyoshi, Hasobe, Taku

“…Tetrasulfone­[9]­helicene (PTSH) was newly synthesized to improve and evaluate its fluorescence and excited-state dynamics through a single-step oxidation…”
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Protein adsorption behavior in nanoscale phase-separated polymer coatings prepared using poly(2-methacrylolyoxyethyl phosphorylcholine)-containing amphiphilic block copolymers by Masuda, Tsukuru, Hiraguchi, Yukari, Kushiro, Keiichiro, Araki, Yasuyuki, Wada, Takehiko, Takai, Madoka

“…[Display omitted] •ABA-type block copolymers containing hydrophilic zwitterionic segments were prepared.•Nano phase-separated surfaces with different…”
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Quinoxaline-Fused Porphyrins for Dye-Sensitized Solar Cells by Eu, Seunghun, Hayashi, Shinya, Umeyama, Tomokazu, Matano, Yoshihiro, Araki, Yasuyuki, Imahori, Hiroshi

“…5,10,15,20-Tetrakis(2,4,6-trimethylphenyl)-6‘-carboxyquinoxalino[2,3-β]porphyrinatozinc (II) (ZnQMA) and…”
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Comprehensive Structural and Electronic Properties of 2‑Azaadamantane N‑Oxyl Derivatives Correlated with Their Catalytic Ability by Nishijima, Masaki, Sasano, Yusuke, Iwabuchi, Yoshiharu, Araki, Yasuyuki

“…Herein, a comprehensive kinetic study is performed to compare the catalytic efficiency of 2-azaadamantane N-oxyl (AZADO) derivatives with that of…”
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Effect of artificial saliva on permeability of dentin treated with phosphate containing desensitizer measured by digital flow meter by KANEHIRA, Masafumi, ISHIHATA, Hiroshi, ARAKI, Yasuyuki, TAKAHASHI, Hidekazu, SASAKI, Keiichi, FINGER, Werner J.

“…The aim of this study was to investigate the effects of artificial saliva on permeability measured using a highly sensitive digital flow meter of dentin discs…”
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First birth following assisted sperm fusion insemination using sperm bound to zona pellucida by Hatakeyama, Shota, Araki, Yasuyuki, Araki, Yasuhisa, Ohgi, Shirei, Yanaihara, Atsushi

“…Purpose To report a live birth after transfer of a vitrified-warmed blastocyst produced by assisted sperm fusion insemination (ASFI). Methods Oocyte retrieval…”
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Transient Circular Dichroism Measurement of the Excited Triplet State of Pristine Hexahelicene in Solution at Room Temperature by Kuronuma, Makoto, Sato, Takehito, Araki, Yasuyuki, Mori, Tadashi, Sakamoto, Seiji, Inoue, Yoshihisa, Ito, Osamu, Wada, Takehiko

“…Transient circular dichroism (TR-CD) spectra of (P)- and (M)-hexahelicenes (HHs) in the excited triplet state, (P)- and (M)-3HH*, and their growth and decay…”
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Agarose capsules as new tools for protecting denuded mouse oocytes/embryos during handling and freezing-thawing and supporting embryonic development in vivo by Nagatomo, Hiroaki, Yao, Tatsuma, Araki, Yasuyuki, Mizutani, Eiji, Wakayama, Teruhiko

“…Oocytes without a zona pellucida (ZP) often occur as a result of congenital or operational effects, but they are difficult to handle, and embryonic survival is…”
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Synthesis and Photophysical and Photovoltaic Properties of Porphyrin−Furan and −Thiophene Alternating Copolymers by Umeyama, Tomokazu, Takamatsu, Takeshi, Tezuka, Noriyasu, Matano, Yoshihiro, Araki, Yasuyuki, Wada, Takehiko, Yoshikawa, Osamu, Sagawa, Takashi, Yoshikawa, Susumu, Imahori, Hiroshi

“…Conjugated polymers with alternating main chain structures of zinc porphyrin−furan (PZnPF) and zinc porphyrin−thiophene (PZnPT) have been synthesized by…”
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Systematic Control of the Excited-State Dynamics and Carrier-Transport Properties of Functionalized Benzo[ghi]perylene and Coronene Derivatives by Hirayama, Sunao, Sakai, Hayato, Araki, Yasuyuki, Tanaka, Minako, Imakawa, Masaki, Wada, Takehiko, Takenobu, Taishi, Hasobe, Taku

“…A series of benzo[ghi]perylene (Bp) and coronene (Cor) derivatives substituted with electron‐withdrawing methoxycarbonyl (COOMe) or electron‐donating methoxyl…”
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An evidence of electron donor behavior of single-walled carbon nanotube in photo-induced electron transfer by Inada, Koji, Araki, Yasuyuki, Sandanayaka, Atula S.D., Ito, Osamu

“…•Electron transfer between [60]fullerene and single-walled carbon nanotube was investigated.•Transient absorption spectra indicated that the photo-excited…”
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Fertilization with human sperm bound to zona pellucida by pressing onto the oocyte membrane by Hatakeyama, Shota, Araki, Yasuyuki, Ohgi, Shirei, Yanaihara, Atsushi, Araki, Yasuhisa

“…This study aimed to determine whether fertilization can be obtained by assisted fusion of oocyte and sperm without breaking the oocyte membrane. A total of 79…”
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Formation of One-Dimensional Helical Columns and Excimerlike Excited States by Racemic Quinoxaline-Fused [7]Carbohelicenes in the Crystal by Sakai, Hayato, Shinto, Sho, Araki, Yasuyuki, Wada, Takehiko, Sakanoue, Tomo, Takenobu, Taishi, Hasobe, Taku

“…A series of quinoxaline‐fused [7]carbohelicenes (HeQu derivatives) was designed and synthesized to evaluate their structural and photophysical properties in…”
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Single human sperm cryopreservation method using hollow-core agarose capsules by Araki, Yasuyuki, Ph.D, Yao, Tatsuma, M.S, Asayama, Yuta, M.S, Matsuhisa, Akio, Ph.D, Araki, Yasuhisa, Ph.D

“…Objective To develop an efficient cryopreservation method using a single sperm. Design Experimental study. Setting Laboratory of a private institute…”
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Controllable Electronic Structures and Photoinduced Processes of Bay-Linked Perylenediimide Dimers and a Ferrocene-Linked Triad by Horinouchi, Haruki, Sakai, Hayato, Araki, Yasuyuki, Sakanoue, Tomo, Takenobu, Taishi, Wada, Takehiko, Tkachenko, Nikolai V., Hasobe, Taku

“…A series of perylene‐3,4,9,10‐bis(dicarboximide) (PDI) dimers linked through the bay regions was systematically synthesized to examine the electronic…”
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