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A polyelectrolyte bearing metal ion receptors and electrostatic functionality for layer-by-layer self-assembly

Title data

Krass, Henning ; Papastavrou, Georg ; Kurth, Dirk G.:
A polyelectrolyte bearing metal ion receptors and electrostatic functionality for layer-by-layer self-assembly.
In: Macromolecular Symposia. Vol. 210 (March 2004) Issue 1 . - pp. 311-319.
ISSN 1521-3900
DOI: https://doi.org/10.1002/masy.200450635

Official URL: Volltext

Abstract in another language

A polyelectrolyte (BiPE) containing bipyridine ligands as metal ion receptors and quaternary ammonium groups is described, which can be assembled via electrostatic interactions or metal ion coordination. Electrostatic layer-by-layer self-assembly of BiPE with sodium poly(styrene sulfonate) (PSS) as oppositely charged component results in striated multilayers. The BiPE/PSS multilayers can reversibly bind and release transition metal ions including Fe(II), Ni(II), and Zn(II). Formation of 2-D arrays of metallo-units is achieved by mu-contact stamping transition metal salts onto the BiPE/PSS interface. Also, multilayers of BiPE are readily assembled through metal ion coordination. Due to the reversible nature of metal ion coordination, exposure of the multilayers to EDTA causes instant disassembly of the layer, a property needed to implement stimulus triggered release functions. The importance of metal ion coordination for multilayer formation is demonstrated by force-distance curves measured with AFM.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: Special Issue: Reactive Polymers 2003
Institutions of the University: 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 > Chair Physical Chemistry II - Univ.-Prof. Dr. Andreas Fery
Faculties
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 > 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 > 540 Chemistry
Date Deposited: 13 Sep 2017 08:56
Last Modified: 13 Sep 2017 09:14
URI: https://eref.uni-bayreuth.de/id/eprint/39587