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Proceedings Paper

Metallization of bacterial surface layer by cross-beam pulsed laser deposition
Author(s): Wolfgang Pompe; Michael Mertig; Remo Kirsch; Andre A. Gorbunov; Andreas Sewing; Harald Engelhardt; Axel Mensch
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Paper Abstract

We present first results on thin film metal deposition on the regular bacterial surface layer of Sporsarcina urea by pulsed laser deposition. To prevent structural damage of the biological specimen a recently developed cross beam technique is applied providing an effective filtering of the most energetic plasma particles. The deposited films are examined by low voltage scanning electron microscopy. The surface profile of the S-layer adsorbed onto mica substrate was investigated by atomic force microscopy. A lattice constant of 13.2 nm has been measured. The lattice parameters and the structural appearance of the protein layer is in reasonable agreement with the results of an electron microscopical 3D structural analysis.

Paper Details

Date Published: 26 April 1996
PDF: 6 pages
Proc. SPIE 2779, 3rd International Conference on Intelligent Materials and 3rd European Conference on Smart Structures and Materials, (26 April 1996); doi: 10.1117/12.237034
Show Author Affiliations
Wolfgang Pompe, Max-Planck AG (Germany)
Michael Mertig, Max-Planck AG (Germany)
Remo Kirsch, Max-Planck AG (Germany)
Andre A. Gorbunov, Max-Planck AG (Germany)
Andreas Sewing, Max-Planck AG (Germany)
Harald Engelhardt, Max-Planck-Institut fuer Biochemie (Germany)
Axel Mensch, Technische Univ. Dresden (Germany)


Published in SPIE Proceedings Vol. 2779:
3rd International Conference on Intelligent Materials and 3rd European Conference on Smart Structures and Materials

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