Thermally induced molecular imprinting of luminescent vesicles

  • Stefan Balk
  • Burkhard König
Original Article


Thermal imprinting of the lipid-water interface of phospholipid vesicles is achieved by reversible non-covalent assembly of membrane embedded amphiphilic metal complexes. The complexes have affinity to phosphate and imidazole groups and are preorganized by a phosphorylated hexapeptide template above the phase transition temperature. The template induced patterning is transferred into the gel phase of the membrane by cooling below the transition temperature. This limits the lateral diffusion and stabilizes the metal complex receptor organization, as confirmed by FRET measurements with dye-labeled receptors. After template removal an enhanced rebinding affinity of one order of magnitude for the target peptide was observed for the imprinted membranes compared to identical non-imprinted interfaces.

Graphical abstract


Non-covalent imprinting Template induced patterning Functionalized vesicles Specific recognition sites FRET Emission titrations 

Supplementary material

10847_2014_442_MOESM1_ESM.pdf (914 kb)
Supplementary material 1 (PDF 914 kb)


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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  1. 1.Faculty of Chemistry and PharmacyUniversity of RegensburgRegensburgGermany

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