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Molecules 2016, 21(11), 1535; doi:10.3390/molecules21111535

The Reciprocal Principle of Selectand-Selector-Systems in Supramolecular Chromatography †

Institute of Organic Chemistry, University of Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
This contribution is dedicated to Professor Stig Allenmark at his 80th anniversary.
Academic Editor: Yoshio Okamoto
Received: 5 October 2016 / Revised: 2 November 2016 / Accepted: 7 November 2016 / Published: 15 November 2016

Abstract

In selective chromatography and electromigration methods, supramolecular recognition of selectands and selectors is due to the fast and reversible formation of association complexes governed by thermodynamics. Whereas the selectand molecules to be separated are always present in the mobile phase, the selector employed for the separation of the selectands is either part of the stationary phase or is added to the mobile phase. By the reciprocal principle, the roles of selector and selectand can be reversed. In this contribution in honor of Professor Stig Allenmark, the evolution of the reciprocal principle in chromatography is reviewed and its advantages and limitations are outlined. Various reciprocal scenarios, including library approaches, are discussed in efforts to optimize selectivity in separation science. View Full-Text
Keywords: supramolecular chromatography; electromigration methods; selectand; selector; reciprocal principle; combinatorial libraries; cyclopeptides; single-walled nanotubes (SWCNTs); fullerenes; cyclodextrins; calixarenes; congeners; enantiomers; molecular recognition; chiral recognition; chiral stationary phases supramolecular chromatography; electromigration methods; selectand; selector; reciprocal principle; combinatorial libraries; cyclopeptides; single-walled nanotubes (SWCNTs); fullerenes; cyclodextrins; calixarenes; congeners; enantiomers; molecular recognition; chiral recognition; chiral stationary phases
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Schurig, V. The Reciprocal Principle of Selectand-Selector-Systems in Supramolecular Chromatography †. Molecules 2016, 21, 1535.

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