Search Results - "IWASA, TAKESHI"

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

“…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

“…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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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

“…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

“…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

“…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

“…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

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

“…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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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

“…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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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

“…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

“…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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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

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

“…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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Barium Oxide Encapsulating Cobalt Nanoparticles Supported on Magnesium Oxide: Active Non-Noble Metal Catalysts for Ammonia Synthesis under Mild Reaction Conditions by Sato, Katsutoshi, Miyahara, Shin-ichiro, Tsujimaru, Kotoko, Wada, Yuichiro, Toriyama, Takaaki, Yamamoto, Tomokazu, Matsumura, Syo, Inazu, Koji, Mohri, Hirono, Iwasa, Takeshi, Taketsugu, Tetsuya, Nagaoka, Katsutoshi

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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

“…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

“…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

“…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

“…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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Extreme leanness, lower skeletal muscle quality, and loss of muscle mass during treatment are predictors of poor prognosis in cervical cancer treated with concurrent chemoradiation therapy by Abe, Akiko, Yuasa, Masao, Imai, Yoshie, Kagawa, Tomohiro, Mineda, Ayuka, Nishimura, Masato, Tonoiso, Chisato, Kubo, Akiko, Kawanaka, Takashi, Ikushima, Hitoshi, Iwasa, Takeshi

“…Background Human papillomavirus vaccination is not widespread in Japan, and the low screening rates result in many cases of locally advanced cervical cancer…”
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Preimplantation genetic testing for aneuploidy and chromosomal structural rearrangement: A summary of a nationwide study by the Japan Society of Obstetrics and Gynecology by Iwasa, Takeshi, Kuwahara, Akira, Takeshita, Toshiyuki, Taniguchi, Yuka, Mikami, Mikio, Irahara, Minoru

“…Purpose The Japan Society of Obstetrics and Gynecology conducted a nationwide clinical study to evaluate the pregnancy outcomes of preimplantation genetic…”
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