Rolf Tünnemann
University of Tübingen
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Featured researches published by Rolf Tünnemann.
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy | 2003
Frauke Palmer; Christiane Stingel; Rolf Tünnemann; Hans-Georg Mack; Günther Jung; Volker H. Hoffmann
The interaction of cyclohexapeptides c(X(1)(1)K(2)X(2)(3)K(4)X(3)(5)K(6)) in water with hydrolysed silicon surfaces were studied by attenuated total reflection Fourier transform infrared (ATR FTIR) spectroscopy and by force field calculations. The band sequences (1800-1500 cm(-1)) for dissolved and adsorbed cyclohexapeptides were recorded and compared with those obtained after flushing with distilled water in order to eliminate the background signal of the peptides in solution. Band analyses and principal component analyses were carried out for the characteristic peptide vibrations in order to evaluate the spectra. In addition, force field calculations were performed to study the binding energies to the surface and to illustrate the possible structures of the cyclohexapeptides. The positively charged lysine side chains of the cyclohexapeptides interact with the OH groups of the surface, as indicated by band shifts. This also was verified by the force field calculations. The bonding stability increases with the number of interacting sites (lysine side chains and other peptide residues) to the surface. These sites are determined by structure and polarity of the cyclohexapeptides.
Analytical Chemistry | 2002
Oliver Birkert; Rolf Tünnemann; Günther Jung; Günter Gauglitz
Analytical Chemistry | 2001
Rolf Tünnemann; Martin Mehlmann; Roderich D. Süssmuth; Bernd Buhler; Stefan Pelzer; Wolfgang Wohlleben; Hans-Peter Fiedler; Karl-Heinz Wiesmüller; Günter Gauglitz; Günther Jung
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy | 2004
Frauke Palmer; Christiane Stingel; Rolf Tünnemann; Hans-Georg Mack; Günther Jung; Volker H. Hoffmann
Analytical Biochemistry | 2002
Hans-Martin Haake; Rolf Tünnemann; Andreas Brecht; Volkhard Austel; Günther Jung; Günter Gauglitz
Journal of Molecular Structure | 2001
Frauke Palmer; Rolf Tünnemann; D Leipert; Christiane Stingel; Günther Jung; Volker H. Hoffmann
Nachrichten Aus Der Chemie | 2000
Rolf Tünnemann; Günther Jung
ChemInform | 2007
Dietmar Leipert; Jürgen Mack; Rolf Tünnemann; Günther Jung
Archive | 2001
Oliver Birkert; Rolf Tünnemann; Günther Jung; Günter Gauglitz
Archive | 2001
Martin Mehlmann; Rolf Tünnemann; H. P. Fiedler; Stefan Pelzer; Wolfgang Wohlleben; Günther Jung; Günter Gauglitz