Issue 9, 2010
From the journal:

Soft Matter

Quantification of release from microcapsules upon mechanical deformation with AFM†

Paulo A. L. Fernandes,*a   Mihaela Delcea,a   Andre G. Skirtach,a   Helmuth Möhwalda  and  Andreas Feryb  

* Corresponding authors

a Department of Interfaces, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
E-mail: Fernandes@mpikg.mpg.de

b Physical Chemistry II, Bayreuth University, Bayreuth, Germany

Abstract

We present a novel method combining fluorescence microscopy with AFM force spectroscopy to investigate release of encapsulated materials from polyelectrolyte multilayer capsules upon mechanical deformations. The experimental approach allows independent measurement of release and plastic deformation thresholds. Our results reveal a well defined critical load upon which release takes place and let us correlate release with the onset of plastic deformations.

Graphical abstract: Quantification of release from microcapsules upon mechanical deformation with AFM

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Article information

DOI
https://doi.org/10.1039/C002564J
Article type
Communication
Submitted
05 Feb 2010
Accepted
05 Mar 2010
First published
23 Mar 2010

Soft Matter, 2010,6, 1879-1883

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Quantification of release from microcapsules upon mechanical deformation with AFM

P. A. L. Fernandes, M. Delcea, A. G. Skirtach, H. Möhwald and A. Fery, Soft Matter, 2010, 6, 1879 DOI: 10.1039/C002564J

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