A molecular probe for recognizing the size of hydrophobic cavities based on near-infrared absorbing diradical–PtII complexes

Kousaku Tamura; Atsuko Masuya; Hitoshi Hoshino; Nobuhiko Iki

doi:10.1039/C3CC41468J

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A molecular probe for recognizing the size of hydrophobic cavities based on near-infrared absorbing diradical–Pt^II complexes†

Kousaku Tamura,^a Atsuko Masuya,^a Hitoshi Hoshino^a and Nobuhiko Iki*^a

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* Corresponding authors

^a Graduate School of Environmental Studies, Tohoku University, 6-6-07, Aramaki-Aoba, Aoba-ku, Sendai, Japan
E-mail: iki@m.tohoku.ac.jp
Fax: +81-22-795-7293

Abstract

A diradical–platinum(II) complex was able to recognize the subtle difference in cavity size between β- and γ-cyclodextrin with on–off switching of intense near-infrared absorption. This provides a new probe for identifying the size of hydrophobic cavities, which has been successfully applied here to differentiate human serum albumin from α-chymotrypsin.

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Article information

DOI: https://doi.org/10.1039/C3CC41468J
Article type: Communication
Submitted: 26 Feb 2013
Accepted: 02 Apr 2013
First published: 04 Apr 2013

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Chem. Commun., 2013,49, 4812-4814

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A molecular probe for recognizing the size of hydrophobic cavities based on near-infrared absorbing diradical–Pt^II complexes

K. Tamura, A. Masuya, H. Hoshino and N. Iki, Chem. Commun., 2013, 49, 4812 DOI: 10.1039/C3CC41468J

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Chemical Communications