Mechanically induced generation of counterions inside surface-grafted charged macromolecular films: Towards enhanced mechanotransduction in artificial systems

Omar Azzaroni; Britta Trappmann; Patrick van Rijn; Feng Zhou; Bokyung Kong; Wilhelm T. S. Huck

doi:10.1002/anie.200602666

Mechanically induced generation of counterions inside surface-grafted charged macromolecular films: Towards enhanced mechanotransduction in artificial systems

Omar Azzaroni, Britta Trappmann, Patrick van Rijn, Feng Zhou, Bokyung Kong, Wilhelm T. S. Huck^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

52 Citations (Scopus)

Abstract

Brushing up on films: A simple model, based on strong ion-pairing interactions of a dye probe (bromothymol blue, BTB) within surface-grafted charged polyelectrolyte brushes, provides evidence that physical forces can be easily mechanotransducted into chemical signals (see picture, PDMS=poly(dimethylsiloxane)). The application of a mechanical force results in a shift of the equilibrium for BTB, which can be monitored by UV/Vis spectroscopy.

Original language	English
Pages (from-to)	7440-7443
Number of pages	4
Journal	Angewandte Chemie - International Edition
Volume	45
Issue number	44
DOIs	https://doi.org/10.1002/anie.200602666
Publication status	Published - 2006
Externally published	Yes

Keywords

mechanochemistry
polycations
polymers
surface chemistry
thin films
POLYELECTROLYTE BRUSHES
MECHANOCHEMISTRY
LUBRICATION
COLLAPSE
POLYMER
FORCES
ACID
DYES

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title = "Mechanically induced generation of counterions inside surface-grafted charged macromolecular films: Towards enhanced mechanotransduction in artificial systems",

abstract = "Brushing up on films: A simple model, based on strong ion-pairing interactions of a dye probe (bromothymol blue, BTB) within surface-grafted charged polyelectrolyte brushes, provides evidence that physical forces can be easily mechanotransducted into chemical signals (see picture, PDMS=poly(dimethylsiloxane)). The application of a mechanical force results in a shift of the equilibrium for BTB, which can be monitored by UV/Vis spectroscopy.",

keywords = "mechanochemistry, polycations, polymers, surface chemistry, thin films, POLYELECTROLYTE BRUSHES, MECHANOCHEMISTRY, LUBRICATION, COLLAPSE, POLYMER, FORCES, ACID, DYES",

author = "Omar Azzaroni and Britta Trappmann and {van Rijn}, Patrick and Feng Zhou and Bokyung Kong and Huck, {Wilhelm T. S.}",

year = "2006",

doi = "10.1002/anie.200602666",

language = "English",

volume = "45",

pages = "7440--7443",

journal = "Angewandte Chemie - International Edition",

issn = "1433-7851",

publisher = "WILEY-V C H VERLAG GMBH",

number = "44",

}

Mechanically induced generation of counterions inside surface-grafted charged macromolecular films: Towards enhanced mechanotransduction in artificial systems. / Azzaroni, Omar; Trappmann, Britta; van Rijn, Patrick et al.
In: Angewandte Chemie - International Edition, Vol. 45, No. 44, 2006, p. 7440-7443.

Research output: Contribution to journal › Article › Academic › peer-review

TY - JOUR

T1 - Mechanically induced generation of counterions inside surface-grafted charged macromolecular films

T2 - Towards enhanced mechanotransduction in artificial systems

AU - Azzaroni, Omar

AU - Trappmann, Britta

AU - van Rijn, Patrick

AU - Zhou, Feng

AU - Kong, Bokyung

AU - Huck, Wilhelm T. S.

PY - 2006

Y1 - 2006

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AB - Brushing up on films: A simple model, based on strong ion-pairing interactions of a dye probe (bromothymol blue, BTB) within surface-grafted charged polyelectrolyte brushes, provides evidence that physical forces can be easily mechanotransducted into chemical signals (see picture, PDMS=poly(dimethylsiloxane)). The application of a mechanical force results in a shift of the equilibrium for BTB, which can be monitored by UV/Vis spectroscopy.

KW - mechanochemistry

KW - polycations

KW - polymers

KW - surface chemistry

KW - thin films

KW - POLYELECTROLYTE BRUSHES

KW - MECHANOCHEMISTRY

KW - LUBRICATION

KW - COLLAPSE

KW - POLYMER

KW - FORCES

KW - ACID

KW - DYES

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JO - Angewandte Chemie - International Edition

JF - Angewandte Chemie - International Edition

IS - 44

ER -

Mechanically induced generation of counterions inside surface-grafted charged macromolecular films: Towards enhanced mechanotransduction in artificial systems

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Keywords

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