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Issue 20, 2009
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Photo-induced molecular-recognition-mediated adhesion of giant vesicles

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Abstract

Few methods currently exist for controlling vesicle–vesicle adhesion. We now report a new system, based upon a multivalent guest and an amphiphilic receptor with a photo-isomerisable anchor that can be incorporated into lipid vesicles of different sizes. Large unilamellar vesicles containing our receptor were found to aggregate upon addition of the multivalent guest, independently of photoswitching between the two conformations of the anchor. However, for giant vesicles immobilised on a platinum wire, guest-mediated adhesion only occurred upon photo-isomerisation of the anchor. This behaviour was attributed to the dynamics introduced into the system through the conformational changes caused by irradiation.

Graphical abstract: Photo-induced molecular-recognition-mediated adhesion of giant vesicles

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Publication details

The article was received on 22 May 2009, accepted on 14 Jul 2009 and first published on 14 Aug 2009


Article type: Paper
DOI: 10.1039/B910197G
Citation: Org. Biomol. Chem., 2009,7, 4289-4295
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    Photo-induced molecular-recognition-mediated adhesion of giant vesicles

    F. M. Mansfeld, G. Feng and S. Otto, Org. Biomol. Chem., 2009, 7, 4289
    DOI: 10.1039/B910197G

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