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Colloid and Polymer Science
Erschienen in: Colloid and Polymer Science 12/2018

13.11.2018 | Original Contribution

A grazing incidence neutron spin echo study of near surface dynamics in p(MEO2MA-co-OEGMA) copolymer brushes

verfasst von: Stefan Wellert, Jessica Hübner, Dikran Boyaciyan, Oxana Ivanova, Regine von Klitzing, Olaf Soltwedel, Olaf Holderer

Erschienen in: Colloid and Polymer Science | Ausgabe 12/2018

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Abstract

Surface-attached architectures of p(MEO2MA-co-OEGMA) copolymers are thermoresponsive PEG analogues with potential applications in biotechnology and medicine. In this respect, structure and dynamics of polymer brushes made of these copolymers are of great interest. In this work, the near surface dynamics of a p(MEO2MA-co-OEGMA) brush with a height of 250 nm was investigated with neutron spin echo spectroscopy under grazing incidence (GINSES) conditions. The brush dynamics was studied at two penetration depths of the neutrons. An influence of the distance from the confining surface on the collective diffusion was found. For the first time, the experiment demonstrates the feasibility of studying thermal fluctuations of macromolecules at a single planar liquid/solid interface by neutron spin echo spectroscopy under grazing incidence.
Vorheriger Artikel New sensitive strategy for formaldehyde sensing by in situ generation of luminescent silver nanoclusters
Nächster Artikel Characterization of porous microspheres prepared via γ-ray irradiation

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Metadaten
Titel
A grazing incidence neutron spin echo study of near surface dynamics in p(MEO2MA-co-OEGMA) copolymer brushes
verfasst von
Stefan Wellert
Jessica Hübner
Dikran Boyaciyan
Oxana Ivanova
Regine von Klitzing
Olaf Soltwedel
Olaf Holderer
Publikationsdatum
13.11.2018
Verlag
Springer Berlin Heidelberg
Erschienen in
Colloid and Polymer Science / Ausgabe 12/2018
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-018-4421-9

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