Volume 47, Issue 25 p. 4610
Inside Cover
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Inside Cover: Toroidal Nanoobjects from Rosette Assemblies of Melamine-Linked Oligo(p-phenyleneethynylene)s and Cyanurates (Angew. Chem. Int. Ed. 25/2008)

Shiki Yagai Dr.

Shiki Yagai Dr.

Department of Applied Chemistry and Biotechnology, Faculty of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan, Fax: (+81) 43-290-3039, http://www.eng.chiba-u.ac.jp/outProfile.tsv?no=1228

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Sankarapillai Mahesh

Sankarapillai Mahesh

Photosciences and Photonics Group, Chemical Science and Technology Division, National Institute for Interdisciplinary Science and Technology (NIIST), Trivandrum-695019, India, Fax: (+91) 471-249-0186, http://w3rrlt.csir.res.in/photo/people/draajayaghosh/Homepage.htm

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Yoshihiro Kikkawa Dr.

Yoshihiro Kikkawa Dr.

Nanoarchitectonics Research Center, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki 305-8562, Japan

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Kanako Unoike

Kanako Unoike

Department of Applied Chemistry and Biotechnology, Faculty of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan, Fax: (+81) 43-290-3039, http://www.eng.chiba-u.ac.jp/outProfile.tsv?no=1228

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Takashi Karatsu Prof. Dr.

Takashi Karatsu Prof. Dr.

Department of Applied Chemistry and Biotechnology, Faculty of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan, Fax: (+81) 43-290-3039, http://www.eng.chiba-u.ac.jp/outProfile.tsv?no=1228

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Akihide Kitamura Prof. Dr.

Akihide Kitamura Prof. Dr.

Department of Applied Chemistry and Biotechnology, Faculty of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan, Fax: (+81) 43-290-3039, http://www.eng.chiba-u.ac.jp/outProfile.tsv?no=1228

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Ayyappanpillai Ajayaghosh Dr.

Ayyappanpillai Ajayaghosh Dr.

Photosciences and Photonics Group, Chemical Science and Technology Division, National Institute for Interdisciplinary Science and Technology (NIIST), Trivandrum-695019, India, Fax: (+91) 471-249-0186, http://w3rrlt.csir.res.in/photo/people/draajayaghosh/Homepage.htm

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First published: 03 June 2008

Graphical Abstract

Nanodonuts form from hierarchical self-organization of a melamine featuring π-conjugated oligo(para-phenyleneethynylene)s with a cyanurate. The toroidal nanostructures, with a diameter of 40 nm (see AFM image), form in decane under dilute conditions. S. Yagai, A. Ajayaghosh et al. propose in their Communication on page 4691 ff. that a hydrogen-bonded rosette is an essential intermediate supramolecular species for such a hierarchical self-organization process. The background picture shows a “bubble ring” made by a scuba diver.

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