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We are interested in both fundamental studies and the engineering of specific surface properties. One part of our research program is the tailoring of interfacial properties by utilizing specifically synthesized (functionalized) molecules. They allow the preparation of concentrated planes of functionality on inorganic substrates. We hope to create functional surfaces which are capable of switching between the resistance and the non-specific adsorption of proteins depending on external parameters such as ionic strength and pH value.
Another part of our research program is the development and improvement of surface analytical techniques, which are capable of analyzing interfaces in situ, i.e., in the ‘natural environment’ of the system under investigation and without destroying them. This is most often a liquid in the case of ‘biological’ systems, for example when studying protein adsorption properties, and exploring the role of the fluid in interfacial processes is one important aspect of our research.
SELECTED RECENT PUBLICATIONS
- pH-dependent Force Spectroscopy of Tri(ethylene Glycol)- and Methyl-Terminated Self-Assembled Monolayers Adsorbed on Gold. C. Dicke, G. Hähner J. Am. Chem. Soc. 2002, 124, 12619.
- Conformational Order in Oligo(ethylene Glycol)-Terminated Self-Assembled Monolayers on Gold Determined by Soft X-Ray Absorption. M. Zwahlen, S. Herrwerth, W. Eck, M. Grunze, G. Hähner Langmuir. 2003, 19, 9305.
- Chain Length Dependence of the Conformational Order in Self-Assembled
Dialkylammonium Monolayers on Mica
Studied by Soft X-Ray Absorption. G. Hähner, M. Zwahlen, W. Caseri Langmuir 2005, 21, 1424. - Simultaneous determination of density and viscosity of liquids based
on resonance curves of uncalibrated
microcantilevers. N. McLoughlin, S.L. Lee, G. Hähner Appl. Phys. Lett. 2006, 89(18), xxxx.
Tel : +44 (0)1334 463 800, Fax : +44 (0)1334 463 808
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