Uwe B. Sleytr, Paul Messner, Dietmar Pum, Margit Sára "Crystalline Bacterial Cell Surface Layers (S Layers): From Supramolecular Cell Structure to Biomimetics and Nanotechnology" Angewandte Chemie International Edition Volume 38, Issue 8, April 19, 1999, Pages: 1034-1054


Description:

AFM image of an S-layer protein (from a bacterial cell surface) monolayer recrystallised on a silicon surface. The image was taken in contact mode in liquid. The image size is, 500 x 500nm.  This investigation makes use of the self-assembly properties of S-layer proteins for new technological applications in life and non-life sciences. Formation of S-layer protein monolayers on technologically relevant solid surfaces (e.g. metals, Si wafers, polymers) are studied at molecular level by scanning probe techniques and high resolution transmission electron microscopy. Spatial control over monolayers in the submicron range is achieved by soft- and optical lithography. Patterned protein lattices are used as templates for regular binding of nanoparticles with specific optical, electronic, catalytic or structural properties.
 

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