Search Results - "IWASA, Takeshi"

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  1. 1

    Photoluminescence of Doped Superatoms M@Au12 (M = Ru, Rh, Ir) Homoleptically Capped by (Ph2)PCH2P(Ph2): Efficient Room-Temperature Phosphorescence from Ru@Au12 by Takano, Shinjiro, Hirai, Haru, Nakashima, Takuya, Iwasa, Takeshi, Taketsugu, Tetsuya, Tsukuda, Tatsuya

    Published in Journal of the American Chemical Society (21-07-2021)
    “…A series of doped gold superatoms M@Au12 (M = Ru, Rh, Ir) was synthesized by capping with the bidentate ligand (Ph2)­PCH2P­(Ph2). A single-crystal X-ray…”
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    Doping‐Mediated Energy‐Level Engineering of M@Au12 Superatoms (M=Pd, Pt, Rh, Ir) for Efficient Photoluminescence and Photocatalysis by Hirai, Haru, Takano, Shinjiro, Nakashima, Takuya, Iwasa, Takeshi, Taketsugu, Tetsuya, Tsukuda, Tatsuya

    Published in Angewandte Chemie International Edition (05-09-2022)
    “…We synthesized a series of MAu12(dppe)5Cl2 (MAu12; M=Au, Pd, Pt, Rh, or Ir; dppe=1,2‐bis(diphenylphosphino)ethane), which have icosahedral M@Au12 superatomic…”
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  3. 3

    Single-molecule resonance Raman effect in a plasmonic nanocavity by Jaculbia, Rafael B., Imada, Hiroshi, Miwa, Kuniyuki, Iwasa, Takeshi, Takenaka, Masato, Yang, Bo, Kazuma, Emiko, Hayazawa, Norihiko, Taketsugu, Tetsuya, Kim, Yousoo

    Published in Nature nanotechnology (01-02-2020)
    “…Tip-enhanced Raman spectroscopy (TERS) is a versatile tool for chemical analysis at the nanoscale. In earlier TERS experiments, Raman modes with components…”
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    Twist of CC Bond Plays a Crucial Role in the Quenching of AIE-Active Tetraphenylethene Derivatives in Solution by Kokado, Kenta, Machida, Takashi, Iwasa, Takeshi, Taketsugu, Tetsuya, Sada, Kazuki

    Published in Journal of physical chemistry. C (11-01-2018)
    “…Aggregation-induced emission (AIE) has emerged as a new class of attractive photoluminescence behavior. Understanding the precise mechanism of the AIE…”
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    Geometric, Electronic, and Optical Properties of a Superatomic Heterodimer and Trimer: Sc@Si16–V@Si16 and Sc@Si16–Ti@Si16–V@Si16 by Iwasa, Takeshi, Nakajima, Atsushi

    Published in Journal of physical chemistry. C (05-07-2012)
    “…The geometric, electronic, and optical properties of a heterodimer and trimer consisting of metal-encapsulating silicon cage clusters, M@Si16 (M = Sc, Ti, V)…”
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    N2O decomposition properties of Ru catalysts supported on various oxide materials and SnO2 by Hinokuma, Satoshi, Iwasa, Takeshi, Kon, Yoshihiro, Taketsugu, Tetsuya, Sato, Kazuhiko

    Published in Scientific reports (10-12-2020)
    “…Nitrous oxide (N 2 O) is a stratospheric ozone depleting greenhouse gas that has global warming potential. As the catalytic decomposition of N 2 O is one of…”
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    Development of Integrated Dry–Wet Synthesis Method for Metal Encapsulating Silicon Cage Superatoms of M@Si16 (M = Ti and Ta) by Tsunoyama, Hironori, Akatsuka, Hiroki, Shibuta, Masahiro, Iwasa, Takeshi, Mizuhata, Yoshiyuki, Tokitoh, Norihiro, Nakajima, Atsushi

    Published in Journal of physical chemistry. C (21-09-2017)
    “…Nanoclusters (NCs) of several to hundreds of atoms in size are prospective functional units for future nanomaterials originating in their unique, size-specific…”
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  8. 8

    The roles of kisspeptin and gonadotropin inhibitory hormone in stress-induced reproductive disorders by Iwasa, Takeshi, Matsuzaki, Toshiya, Yano, Kiyohito, Mayila, Yiliyasi, Irahara, Minoru

    Published in ENDOCRINE JOURNAL (01-01-2018)
    “…Several kinds of stress suppress the hypothalamic-pituitary-gonadal (HPG) axis and reproductive behavior in humans and animals. These changes can eventually…”
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  9. 9

    Effects of peripheral oxytocin administration on body weight, food intake, adipocytes, and biochemical parameters in peri- and postmenopausal female rats by Erdenebayar, Otgontsetseg, Kato, Takeshi, Kawakita, Takako, Kasai, Kana, Kadota, Yuri, Yoshida, Kanako, Iwasa, Takeshi, Irahara, Minoru

    Published in ENDOCRINE JOURNAL (01-01-2021)
    “…Recent studies have revealed that the administration of oxytocin has beneficial effects on the regulation of body weight, food intake, and metabolic functions,…”
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  10. 10

    Low-Lying Excited States of hqxcH and Zn–hqxc Complex: Toward Understanding Intramolecular Proton Transfer Emission by Ebina, Masanori, Kondo, Yusuke, Iwasa, Takeshi, Taketsugu, Tetsuya

    Published in Inorganic chemistry (01-04-2019)
    “…Excited state intramolecular proton transfer (ESIPT) has been a topic of interest due to its potential to lead to multiple emissions. Although many organic…”
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    Time-Dependent Density Functional Theory Study on Higher Low-Lying Excited States of Au25(SR)18 by Ebina, Masanori, Iwasa, Takeshi, Harabuchi, Yu, Taketsugu, Tetsuya

    Published in Journal of physical chemistry. C (22-02-2018)
    “…Gold–thiolate clusters of [Au25(SR)18]− are known to show multiple photoluminescence below and above 2.0 eV. Although recent theoretical studies have clarified…”
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  12. 12

    Characteristics of hospital pediatricians and obstetricians/gynecologists working long hours in Tokushima, Japan: A cross-sectional study by Nakagawa, Mai, Nakagawa, Kazumi, Nakai, Koga, Tominaga, Ayumu, Mori, Yoshiro, Iwasa, Takeshi, Urushihara, Maki, Hashimoto, Ichiro, Morioka, Hisayoshi

    Published in PloS one (18-11-2024)
    “…Background This study aimed to determine the actual working conditions, including working hours and desired future working styles of hospital pediatricians and…”
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  13. 13

    The effects of ovariectomy and lifelong high-fat diet consumption on body weight, appetite, and lifespan in female rats by Iwasa, Takeshi, Matsuzaki, Toshiya, Yano, Kiyohito, Irahara, Minoru

    Published in Hormones and behavior (01-01-2018)
    “…In females, ovarian hormones play pivotal roles in metabolic, appetite, and body weight regulation. In addition, it has been reported that ovarian hormones…”
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  14. 14

    Effects of support materials and Ir loading on catalytic N2O decomposition properties by Hinokuma, Satoshi, Iwasa, Takeshi, Kon, Yoshihiro, Taketsugu, Tetsuya, Sato, Kazuhiko

    Published in Catalysis communications (15-01-2021)
    “…N2O is a stratospheric ozone-depleting greenhouse gas with a global warming potential. The catalytic decomposition of N2O is one of the most promising and…”
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    11-oxygenated C19 steroids as circulating androgens in women with polycystic ovary syndrome by Yoshida, Tomoko, Matsuzaki, Toshiya, Miyado, Mami, Saito, Kazuki, Iwasa, Takeshi, Matsubara, Yoichi, Ogata, Tsutomu, Irahara, Minoru, Fukami, Maki

    Published in Endocrine Journal (01-01-2018)
    “…11-oxygenated C19 steroids (11oxC19s) are newly specified human androgens. Although median serum levels of 11oxC19 were reported to be higher in patients with…”
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    Theoretical Investigation of Optimized Structures of Thiolated Gold Cluster [Au25(SCH3)18] by Iwasa, Takeshi, Nobusada, Katsuyuki

    Published in Journal of physical chemistry. C (11-01-2007)
    “…Geometric and electronic structures of a gold−methanethiolate [Au25(SCH3)18]+ are investigated by using density functional theory. Three types of optimized…”
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    Hypophysiotropic role of RFamide-related peptide-3 in the inhibition of LH secretion in female rats by Murakami, Masahiro, Matsuzaki, Toshiya, Iwasa, Takeshi, Yasui, Toshiyuki, Irahara, Minoru, Osugi, Tomohiro, Tsutsui, Kazuyoshi

    Published in Journal of endocrinology (01-10-2008)
    “…Gonadotropin-inhibitory hormone (GnIH), a newly discovered hypothalamic RFamide peptide, inhibits reproductive activity by decreasing gonadotropin synthesis…”
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    Determining and Controlling Cu-Substitution Sites in Thiolate-Protected Gold-Based 25-Atom Alloy Nanoclusters by Hossain, Sakiat, Suzuki, Daiki, Iwasa, Takeshi, Kaneko, Ryo, Suzuki, Taiyo, Miyajima, Sayuri, Iwamatsu, Yuki, Pollitt, Stephan, Kawawaki, Tokuhisa, Barrabés, Noelia, Rupprechter, Günther, Negishi, Yuichi

    Published in Journal of physical chemistry. C (08-10-2020)
    “…Alloying has been studied actively for thiolate (SR)-protected metal nanoclusters (NCs) because heteroatom mixing enables the creation of novel electronic…”
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