Spectroscopic visualization of vortex flows using dye-containing nanoribers

被引：206
|
作者：
Tsuda, Akihiko [1 ]
Alam, Akhtarul
Harada, Takayuki
Yamaguchi, Tatsuya
Ishii, Noriyuki
Aida, Takuzo
机构：
[1] Univ Tokyo, Dept Chem & Biotechnol, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan
[2] Univ Tokyo, Sch Engn, Bunkyo Ku, Tokyo 1138656, Japan
[3] Univ Tokyo, Ctr NanoBio Integrat, Bunkyo Ku, Tokyo 1138656, Japan
[4] Japan Sci & Technol Agcy, PRESTO, Kawaguchi, Saitama 3320012, Japan
[5] AIST, Biol Informat Res Ctr, Tsukuba, Ibaraki 3058566, Japan
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2007年 / 46卷 / 43期
关键词：
D O I：
10.1002/anie.200703083
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
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 response changes quickly upon switching from clockwise (CW) to counterclockwise (CCW) stirring (see picture). The observed chiroptical activity most likely arises from a macroscopic helical alignment of nanofibers formed from the polymeric J-aggregate. (Chemical Equation Presented). © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：8198 / 8202
页数：5
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