A chiral signal-amplified sensor for enantioselective discrimination of amino acids based on charge transfer-induced SERS

Yue Wang; Jing Liu; Xueqi Zhao; Chunguang Yang; Yukihiro Ozaki; Zhangrun Xu; Bing Zhao; Zhi Yu

doi:10.1039/C9CC04665H

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A chiral signal-amplified sensor for enantioselective discrimination of amino acids based on charge transfer-induced SERS†

Yue Wang,^a Jing Liu,^a Xueqi Zhao,^a Chunguang Yang,^a Yukihiro Ozaki,

^b Zhangrun Xu,

*^a Bing Zhao

*^c and Zhi Yu

*^d

Author affiliations

* Corresponding authors

^a Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, People's Republic of China
E-mail: xuzr@mail.neu.edu.cn

^b Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, Sanda, Hyogo 669-1337, Japan

^c State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, People's Republic of China
E-mail: zhaob@mail.neu.edu.cn

^d The Guo China-US Photonics Laboratory, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, People's Republic of China
E-mail: zhiyu@chomp.ac.cn

Abstract

An ultra-high sensitivity sensor with the function of chiral signal amplification has been proposed for the enantiomer discrimination of various amino acid enantiomers based on charge transfer (CT)-induced SERS spectroscopy. The introduced TiO₂ in this sensor improves the CT behavior and discrimination efficiency distinctly and enantiomeric discrimination is realized even at low concentration.

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Article information

DOI: https://doi.org/10.1039/C9CC04665H
Article type: Communication
Submitted: 18 Jun 2019
Accepted: 18 Jul 2019
First published: 24 Jul 2019

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Chem. Commun., 2019,55, 9697-9700

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A chiral signal-amplified sensor for enantioselective discrimination of amino acids based on charge transfer-induced SERS

Y. Wang, J. Liu, X. Zhao, C. Yang, Y. Ozaki, Z. Xu, B. Zhao and Z. Yu, Chem. Commun., 2019, 55, 9697 DOI: 10.1039/C9CC04665H

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Chemical Communications

A chiral signal-amplified sensor for enantioselective discrimination of amino acids based on charge transfer-induced SERS†

Abstract

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A chiral signal-amplified sensor for enantioselective discrimination of amino acids based on charge transfer-induced SERS

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