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Adhesion of Polyelectrolyte Microcapsules through Biotin−Streptavidin Specific Interaction

Title data

Raichur, A. M. ; Vörös, J. ; Textor, Marcus ; Fery, Andreas:
Adhesion of Polyelectrolyte Microcapsules through Biotin−Streptavidin Specific Interaction.
In: Biomacromolecules. Vol. 7 (August 2006) Issue 8 . - pp. 2331-2336.
ISSN 1526-4602
DOI: https://doi.org/10.1021/bm060270v

Official URL: Volltext

Abstract in another language

Adhesion of PAH/PSS and PDADMAC/PSS capsules through electrostatic and specific interactions has been investigated using reflective interference contrast microscopy (RICM). Adhesion of capsules via electrostatic interactions was found to be spontaneous and strong. Capsules functionalized with poly(L-lysine)-graft-poly- (ethylene glycol) (PLL-g-PEG) did not exhibit significant adhesion (as determined by the adhesion area) to streptavidin-coated substrates, whereas capsules functionalized with biotinylated PLL-g-PEG showed a significantly larger adhesion area. Using continuum mechanical models, the total adhesion energies for these cases were calculated and were found to correspond to several tens of individual biotin-streptavidin pairs. The application of specific interactions such as the biotin-streptavidin system for controlled capsule adhesion has been demonstrated in this study.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors > Chair Physical Chemistry II - Univ.-Prof. Dr. Andreas Fery
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Physical Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors
Result of work at the UBT: No
DDC Subjects: 500 Science > 500 Natural sciences
500 Science > 530 Physics
500 Science > 540 Chemistry
Date Deposited: 08 Dec 2014 11:36
Last Modified: 14 Dec 2017 08:32
URI: https://eref.uni-bayreuth.de/id/eprint/4027