Faculty Profiles - TANAKA Kentaro

Papers - TANAKA Kentaro

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Programmable self-assembly of metal ions inside artificial DNA duplexes (vol 1, pg 190, 2006) Reviewed

Tanaka Kentaro, Clever Guido H., Takezawa Yusuke, Yamada Yasuyuki, Kaul Corinna, Shionoya Mitsuhiko, Carell Thomas

NATURE NANOTECHNOLOGY Vol. 2 ( 1 ) page： 63 2007.1

A template-directed synthetic approach to halogen-bridged mixed-valence platinum complexes on artificial peptides in solution Reviewed

Kentaro Tanaka, Kenji Kaneko, Yusuke Watanabe and Mitsuhiko Shionoya

Dalton Transactions Vol. 2007 page： 5369-5371 2007

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

A template-directed synthetic approach to halogen-bridged mixed-valence platinum complexes has been performed in organic media using, for instance, a synthetic peptide bearing two bis(ethylenediamine)-based Pt(IV) complexes with two axial bromide anionic ligands,5 [1a(Pt(IV)Br2 (en))2 ](RSO3 )4 , and a [Pt(II)(en)2 ](RSO3 )2 complex (R = (C12 H25 OCH2 )2 CHO(CH2 )3 -).

生体高分子に学ぶ“ものづくり”－金属イオンの精密配列化 Invited

田中健太郎

超分子研究会アニュアルレビュー Vol. 28 page： 2-3 2007

Programmable metal assembly on bio-inspired templates Invited Reviewed

Kentaro Tanaka and Mitsuhiko Shionoya

Coordination Chemistry Reviews Vol. 251 page： 1731-2742 2007

Programmed metal arrays by means of designable biological macromolecules

Kentaro Tanaka, Kentaro Tanaka, Tokomo Okada, Mitsuhiko Shionoya

Redox Systems Under Nano-Space Control page： 155-165 2006.12

Publishing type：Research paper (scientific journal)

9.4 Conclusion: In this study, we demonstrate that biopolymers such as DNA and peptides can be precisely redesigned and reconstructed as templates for homogeneous or even heterogeneous assembly of metal ions in a programmable manner by chemically modiyfing their building blocks. This bottom-up strategy based on biorelated molecules would generate not only a new structuralmotif formetal clusters in the biomolecules but also a metal-triggered information-transfer system. © 2006 Springer-Verlag Berlin Heidelberg.

DOI： 10.1007/3-540-29580-1_9

Scopus

Programmable self-assembly of metal ions inside artificial DNA duplexes Reviewed

Tanaka Kentaro, Clever Guido H., Takezawa Yusuke, Yamada Yasuyuki, Kaul Corinna, Shionoya Mitsuhiko, Carell Thomas

NATURE NANOTECHNOLOGY Vol. 1 ( 3 ) page： 190-U5 2006.12

Bio-inspired programmable self-assembly on DNA templates Reviewed

Tanaka Kentaro, Shionoya Mitsuhiko

CHEMISTRY LETTERS Vol. 35 ( 7 ) page： 694-699 2006.7

Toward a protecting-group-free halogen-metal exchange reaction: Practical, chemoselective metalation of functionalized aromatic halides using dianion-type zincate, (Bu4ZnLi2)-Bu-t Reviewed

Uchiyama Masanobu, Furuyama Taniyuki, Kobayashi Minoru, Matsumoto Yotaro, Tanaka Kentaro

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 128 ( 26 ) page： 8404-8405 2006.7

Bio-Inspired Programmable Self-Assembly on DNA Templates Invited

K. Tanaka and M. Shionoya

Chem. Lett. Vol. 35 page： 694-699 2006

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

Besides the biological importance of DNA as storage of genetic information, DNA is a smart molecule to assemble functional units since it is possible to use sequences of nucleobases to encode molecular assembled systems in a predetermined fashion over a wide range in size. This review highlights recent advance in precise control of molecular assembly on DNA templates directed towards functionalized materials.

*Programmable Self-Asembly of Metal Ions Inside Artificial DNA Duplexes Reviewed

K. Tanaka, G. Clever, Y. Takezawa, Y. Yamada, C. Kaul, M. Shionoya, and T. Carell

Nature Nanotech. Vol. 1 page： 190-194 2006

Toward a Protecting-Group-Free Halogen-Metal Exchange Reaction:Practical, Chemoselective Metalation of Functionalized Aromatic HalidesUsing Dianion-type Zincate, tBu4ZnLi2 Reviewed

Masanobu Uchiyama, Taniyuki Furuyama, Minoru Kobayashi, Yotaro Matsumoto, and Kentaro Tanaka

J. Am. Chem. Soc. Vol. 128 page： 8404-8405 2006

Language：English Publishing type：Research paper (scientific journal)

A versatile preparation method for aromatic zincate compounds through a halogen-zinc exchange reaction using dilithium tetra-tert-butylzincate (tBu4ZnLi2) has been developed. This reagent permits efficient preparation of highly functionalized aromatic zincates, particularly, those with electrophilic functional groups, such as ester, amide, alcohol, and phenol. Halogen-zinc exchange reactions followed by electrophilic trapping (with allyl bromide or benzaldehyde) proved to be a powerful tool for C-C bond formation on functionalized aromatic rings. The functionalized aromatic zincate intermediate was also found to undergo copper- and palladium-catalyzed C-C bond-forming reactions with good yields and high chemoselectivity.

Molecular orientation of organic monolayers on Si(111)

Taishi Tanaka, Kentaro Tanaka, Kentaro Tanaka, Hiroyuki Kakuda, Takeshi Hasegawa, Takeshi Hasegawa, Mitsuhiko Shionoya

Polymer Preprints, Japan Vol. 54 page： 3329-3330 2005.12

Publishing type：Research paper (scientific journal)

Alkenes form self-assembled monolayers on a hydrogen-terminated Si(111) surface via hydrosilylation of defines. Since the monolayers are attached onto the substrate covalently through direct Si-C bonding, the molecular orientation of the monolayer is strongly influenced by compatibility between the crystal structure of Si(111) surface and the molecular structure of the olefin. In this study, we examined the formation of various monolayers and their molecular orientations on Si(111).

Scopus

Heterogeneous metal arrays into artificial metallo-DNAs as templates International journal

Kentaro Tanaka, Kentaro Tanaka, Yusuke Takezawa, Takuya Agata, Atsushi Katagiri, Tatsuhisa Kato, Mitsuhiko Shionoya

Polymer Preprints, Japan Vol. 54 page： 5126 - 5127 2005.12

Language：English Publishing type：Research paper (scientific journal)

Besides the biological importance of DNA as storage of genetic information, the fundamental and canonical structure of duplex DNA can be regarded as a template for the bio-inspired molecular architectures to develop new functions. DNA has an attractive system to assemble functional building blocks, because automated synthesizers can routinely make oligomers with desired lengths and sequences. Replacement of hydrogen-bonded base pairing of DNA by metal-mediated base pairing could lead to "metallo-DNA" in which metal ions are aligned along the helix axis in a controllable fashion (Chart 1). We report here the de novo designed heterogeneous metal array in artificial metallo-DNA. To heterogeneously array metal ions in double helices, d(5′-GHPHC-3′)2, d(5′-GHHPHHC-3′)2, and d(5′-GHVHC- 3′)2were synthesized, where H is a hydroxypyridone-bearing nucleotide forming a square planar complex with a Cu2+ion, P is a pyridine-bearing nucleotide forming a linear complex with an Ag+or an Hg2+ion, and V is an abasic site. Stepwise photometric titration experiments of Cu2+and subsequent Hg2+to the duplexes and electrospray ionization mass spectroscopy clearly demonstrated the quantitative and site-selective formation of Cu2+-Hg2+-Cu2+, Cu2+-Cu2+-Hg2+-Cu2+-Cu2+and Cu2+- Cu2+arrays in the centers of the duplexes, respectively (Fig. 2).

Scopus

Analysis of hydrogen-terminated Si(1 1 1) surface by infrared multiple-angle incidence resolution spectroscopy

Hiroyuki Kakuda, Takeshi Hasegawa, Takeshi Hasegawa, Taishi Tanaka, Kentaro Tanaka, Kentaro Tanaka, Mitsuhiko Shionoya

Chemical Physics Letters Vol. 415 page： 172-175 2005.10

Publishing type：Research paper (scientific journal)

The infrared multiple-angle incidence resolution spectroscopy (MAIRS) has been employed to analyze the hydrogen-terminated Si(1 1 1) 1 × 1-H surface. The new technique of infrared MAIRS provides two absorption spectra simultaneously on an identical sample, which separately reveal the surface-parallel and surface-normal vibration spectra. It has been exhibited in the present study that the infrared MAIRS technique is powerful to discuss some infrared key bands in terms of molecular orientation concerned with Si-H vibrational modes on the Si(1 1 1) 1 × 1-H surface with the use of the two spectra. © 2005 Elsevier B.V. All rights reserved.

DOI： 10.1016/j.cplett.2005.09.017

Scopus

Heterogeneous assembly of silver(I) and calcium(II) ions accompanying a dimer formation of cyclo(L-Ala-L-Met)3. Reviewed

Okada T, Tanaka K, Shiro M, Shionoya M

Chemical communications (Cambridge, England) ( 11 ) page： 1484-1486 2005.3

Analysis of Hydrogen-Terminated Si(111) Surface by Infrared Multiple-Angle Incidence Resolution Spectroscopy Reviewed

Hiroyuki Kakuda, Takeshi Hasegawa, Taishi Tanaka, Kentaro Tanaka, and Mitsuhiko Shionoya

Chem. Phys. Lett. Vol. 415 page： 172-175 2005

Heterogeneous Assembly of Silver(I) and Calcium(II) Ions Accompanying a Dimer Formation of cyclo(L-Ala- L -Met)3 Reviewed

T. Okada, K. Tanaka, M. Shiro, and M. Shionoya

Chem. Commun. Vol. 2005 page： 1484/1486 2005

Artificial metallo-DNA: a bio-inspired approach to metal array programming. Reviewed

Shionoya M, Tanaka K

Current opinion in chemical biology Vol. 8 ( 6 ) page： 592-597 2004.12

[Artificial metallo-DNA: arraying metal ions using DNA]. Reviewed

Shionoya M, Tanaka K

Tanpakushitsu kakusan koso. Protein, nucleic acid, enzyme Vol. 49 ( 10 ) page： 1438-1443 2004.8

Interaction of plastocyanin with oligopeptides: effect of lysine distribution within the peptide. Reviewed

Hirota S, Okumura H, Arie S, Tanaka K, Shionoya M, Takabe T, Funasaki N, Watanabe Y

Journal of inorganic biochemistry Vol. 98 ( 5 ) page： 849-855 2004.5

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Papers - TANAKA Kentaro