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Polymers on Surfaces
Polymers on surfaces are encountered in various places from protein adsorption on surfaces that leads to biodegradation to adhesive glues used in technical applications. Understanding these processes on a molecular level is obtained by the study of single polymer dynamics by force spectroscopy with an AFM.
We use molecular dynamics simulations to study the properties of water at different hydrophobic surfaces like hydrogen-terminated diamond or alkane SAMs. Structural and dynamic properties are obtained.
Simulation of AFM pulling
of a peptide in salt solution
from a diamond surface.
Publications:
Erbas, A.; Horinek D.; Netz, R. R.
Viscous friction of hydrogen-bonded matter
J. Am. Chem. Soc., 2012, 134, 623.
Geisler, M.; Horinek, D.; Hugel, T.
Single molecule adhesion mechanics on surfaces structured at the nanoscale.
Macromol., 2009, 42, 9343.
Serr, A.; Horinek, D.; Netz, R. R.
Polypeptide Friction and Adhesion on Hydrophobic and Hydrophilic Surfaces.
J. Am. Chem. Soc., 2008, 130, 12408.
Horinek, D.; Serr, A.; Geisler, M.; Pirzer, T.; Slotta, U.; Lud, S. Q.; Garrido, J. A.; Scheibel, T.; Hugel, T.; Netz, R. R.
Peptide adsorption on a hydrophobic surface results from an interplay of solvation, surface and intrapeptide forces.
Proc. Nat. Acad. Sci. USA 2008, 105, 2842.
