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Analytical and Bioanalytical Chemistry

, Volume 378, Issue 8, pp 1913–1921 | Cite as

Peptide recognition via hierarchical imprinting

  • Maria Magdalena Titirici
  • Börje Sellergren
Original Paper

Abstract

Silica particles containing immobilised peptidic templates have been used for the generation of hierarchically imprinted polymers. The pores of the silica mould were filled with a mixture of monomers/initiator and polymerised, followed by dissolution of the silica template. This method leaves behind imprinted polymers with binding sites located at the surface, which are capable of recognising larger molecules with the same immobilised epitope. All the products resulting from solid-phase synthesis of peptides were characterised by elemental analysis, FT-IR spectroscopy and fluorescence microscopy. The hierarchically imprinted polymers generated from these products were characterised by elemental analysis, FT-IR spectroscopy, fluorescence microscopy, scanning electron microscopy (SEM) and nitrogen adsorption, providing evidence concerning the reproducibility of each step. The chromatographic properties of the materials have been investigated and the advantages of the immobilisation method have been proven. The materials exhibit selectivity for their templates and other structurally related dipeptides. Furthermore, the polymers proved to be capable of recognising larger peptides containing the immobilised sequence.

Keywords

Molecularly imprinted polymer Hierarchical imprinting Peptide detection Solid-phase synthesis Liquid chromatography 

Notes

Acknowledgements

We thank Gunnar Glasser (MPI für Polymerforschung, Mainz) for recording of the SEM micrographs. Financial contribution from the Deutsche Forschungsgemeinschaft (DFG) under Project 777/5–1 is gratefully acknowledged.

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Copyright information

© Springer-Verlag 2004

Authors and Affiliations

  1. 1.INFUUniversität DortmundDortmundGermany

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