Search Results - "Tsuda, Akihiko"

Spectroscopic Visualization of Vortex Flows Using Dye-Containing Nanofibers by Tsuda, Akihiko, Alam, Md. Akhtarul, Harada, Takayuki, Yamaguchi, Tatsuya, Ishii, Noriyuki, Aida, Takuzo

“…Which way around? A J‐aggregated zinc porphyrin dendrimer can be used to detect the macroscopic chirality of a vortex. The sign of the circular dichroism…”
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Design of Porphyrin Nanoclusters toward Discovery of Novel Properties and Functions by Tsuda, Akihiko

“…We have designed a variety of functional metalloporphyrin nanoclusters, connected via covalent or noncovalent linkages, since a discovery of fused…”
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Photo-on-Demand Phosgenation Reactions with Chloroform for Selective Syntheses of N‑Substituted Ureas and Isocyanates by Muranaka, Ryo, Liu, Yue, Okada, Itsuumi, Okazoe, Takashi, Tsuda, Akihiko

“…Two new reaction processes involving the in situ oxidative photochemical conversion of CHCl3 to COCl2 allowed selective syntheses of N-substituted ureas and…”
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Vortex-induced alignment of a water soluble supramolecular nanofiber composed of an amphiphilic dendrimer by Yamamoto, Taiki, Tsuda, Akihiko

“…We have synthesized a novel amphiphilic naphthalene imide bearing a cationic dendrimer wedge (NID). NID molecules in water self-assemble to form a…”
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Brominated Methanes as Photoresponsive Molecular Storage of Elemental Br2 by Kawakami, Kazumitsu, Tsuda, Akihiko

“…The photochemical generation of elemental Br2 from brominated methanes is reported. Br2 was generated by the vaporization of carbon oxides and HBr through…”
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Spectroscopic visualization of sound-induced liquid vibrations using a supramolecular nanofibre by Tsuda, Akihiko, Nagamine, Yuka, Watanabe, Reiko, Nagatani, Yoshiki, Ishii, Noriyuki, Aida, Takuzo

“…The question of whether sound vibration of a medium can bring about any kind of molecular or macromolecular events is a long-standing scientific controversy…”
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Syntheses, Structural Characterizations, and Optical and Electrochemical Properties of Directly Fused Diporphyrins by Tsuda, Akihiko, Furuta, Hiroyuki, Osuka, Atsuhiro

“…Directly fused diporphyrins display the extensive π conjugation as evinced by highly perturbed electronic absorption spectra as well as lowered and largely…”
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Chiroptical Sensing of Asymmetric Hydrocarbons Using a Homochiral Supramolecular Box from a Bismetalloporphyrin Rotamer by Aimi, Junko, Oya, Kazumasa, Tsuda, Akihiko, Aida, Takuzo

“…The surrounding shapes the box: The zinc porphyrin dimer 1 bearing pyridyl groups can chiroptically sense an asymmetric hydrocarbon, such as limonene, by…”
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Porphyrin Boxes Constructed by Homochiral Self-Sorting Assembly:  Optical Separation, Exciton Coupling, and Efficient Excitation Energy Migration by Hwang, In-Wook, Kamada, Taisuke, Ahn, Tae Kyu, Ko, Dah Mee, Nakamura, Takeshi, Tsuda, Akihiko, Osuka, Atsuhiro, Kim, Dongho

“…meso-Pyridine-appended zinc(II) porphyrins M n and their meso − meso-linked dimers D n assemble spontaneously, in noncoordinating solvents such as CHCl3, into…”
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Direct Syntheses of Diphenylmethanol Derivatives from Substituted Benzenes and CHCl3 through Friedel‐Crafts Alkylation and Post‐Synthetic Hydrolysis or Alcoholysis Catalyzed by Alumina by Suri, Guga, Liang, Fengying, Hu, Mixia, Wang, Meiling, Bu, Ren, Zhang, Xiaoying, Wang, Hui, Dong, Wenyan, Eerdun, Chaolu, Tsuda, Akihiko

“…The present study reports an innovative finding that alumina containing water or primary alcohol catalyzes the hydrolysis or alcoholysis, respectively, of the…”
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Completely Fused Diporphyrins and Triporphyrin by Tsuda, Akihiko, Furuta, Hiroyuki, Osuka, Atsuhiro

“…Extremely delocalized π‐electronic systems are found in triply linked, fused porphyrins, which are formed by the oxidation of diporphyrins [Eq. (1)]. Stronger…”
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Photophysical Properties of Porphyrin Tapes by Cho, Hyun Sun, Jeong, Dae Hong, Cho, Sung, Kim, Dongho, Matsuzaki, Yoichi, Tanaka, Kazuyoshi, Tsuda, Akihiko, Osuka, Atsuhiro

“…The novel fused Zn(II)porphyrin arrays (Tn, porphyrin tapes) in which the porphyrin macrocycles are triply linked at meso − meso, β − β, β − β positions have…”
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Hydrodynamic Helical Orientations of Nanofibers in a Vortex by Tsuda, Akihiko

“…In this review article, I report our recent studies on spectroscopic visualizations of macroscopic helical alignments of nanofibers in vortex flows. Our…”
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Directed 1D Assembly of a Ring-Shaped Inorganic Nanocluster Templated by an Organic Rigid-Rod Molecule: An Inorganic/Organic Polypseudorotaxane by Alam, Md. Akhtarul, Kim, Yeong-Sang, Ogawa, Saho, Tsuda, Akihiko, Ishii, Noriyuki, Aida, Takuzo

“…Facing up to matters: Template‐assisted cofacial assembly of a ring‐shaped polyoxomolybdate cluster (MC) by an oligomeric p‐phenylenebutadiynylene rigid rod…”
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A Chiral Metal-Organic 1D-Coordination Polymer Upon Complexation of Phenylene-Bridged Bipyrrole and Palladium (II) Ion by Nishinaka, Kumiko, Han, Jiandong, Han, Dongli, Liu, Yue, Du, Yanqing, Wang, Meiling, Eerdun, Chaolu, Naruse, Nobuyasu, Mera, Yutaka, Furusho, Yoshio, Tsuda, Akihiko

“…Metal-organic 1D-coordination polymers, having unique electronic and optical properties, are expected to be a novel advanced functional material capable of…”
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Amplified Chiral Transformation through Helical Assembly by Toyofuku, Kunihiko, Alam, Md. Akhtarul, Tsuda, Akihiko, Fujita, Norifumi, Sakamoto, Shigeru, Yamaguchi, Kentaro, Aida, Takuzo

“…Majority rules: “Chiral amplification” in asymmetric transformations can be realized if a helical supramolecular polymer, derived from the substrate (S), obeys…”
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Spectroscopic Visualization of Right- and Left-Handed Helical Alignments of DNA in Chiral Vortex Flows by Tsujimoto, Yuya, Ie, Machiko, Ando, Yasunari, Yamamoto, Taiki, Tsuda, Akihiko

“…In a vortex generated by mechanical rotary stirring in an optical cell, DNA molecules in pure water temporarily align helically to the spiral flow, and…”
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Excitation Energy Migration Processes in Self-Assembled Porphyrin Boxes Constructed by Conjugated Porphyrin Dimers by Kim, Pyosang, Lim, Jong Min, Yoon, Min-Chul, Aimi, Junko, Aida, Takuzo, Tsuda, Akihiko, Kim, Dongho

“…meso-Pyridine-appended alkynylene-bridged zinc(II) porphyrin dimers D2 and D4 assemble spontaneously, in noncoordinating solvents such as toluene, into…”
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Editorial: Supramolecular Chirogenesis in Chemical and Related Sciences by Sun, Yue, Aav, Riina, Tsuda, Akihiko, Miyake, Hiroyuki, Hirose, Keiji, Borovkov, Victor

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Spectroscopic and Theoretical Studies of Optically Active Porphyrin Dimers: A System Uninterpretable by Exciton Coupling Theory by Muranaka, Atsuya, Asano, Yoshiaki, Tsuda, Akihiko, Osuka, Atsuhiro, Kobayashi, Nagao

“…The electronic excited states of a meso–meso β–β doubly linked bis‐porphyrin are comprehensively investigated by measuring its circular dichroism (CD) and…”
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