PEPTIDE NANOFILAMENTS USED FOR REPLICA-MOLDING: A COMBINATION OF "BOTTOM-UP" AND "TOP-DOWN"

Yuzhao Tang, Xiaodong Zhang, Jielin Sun (), Jun Hu, Feng Zhang () and Jianhua He ()
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Yuzhao Tang: Nanobiology Laboratory, Bio-X Life Science Research Center, School of Life Science and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
Xiaodong Zhang: Nanobiology Laboratory, Bio-X Life Science Research Center, School of Life Science and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
Jielin Sun: Nanobiology Laboratory, Bio-X Life Science Research Center, School of Life Science and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
Jun Hu: Nanobiology Laboratory, Bio-X Life Science Research Center, School of Life Science and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
Feng Zhang: Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, P. R. China
Jianhua He: Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, P. R. China

Surface Review and Letters (SRL), 2007, vol. 14, issue 02, 301-307

Abstract: A novel nanofabrication method that combines both "bottom-up" (template-assisted peptide self-assembling) and "top-down" (replica molding) techniques is introduced. A designer peptide, GAV-9 (NH2-VGGAVVAGV-CONH2), can epitaxially self-assemble into nanofilaments on the surface of mica, which is further used as the diversified masters for the application of replica molding. Within situatomic force microscopy monitoring, several typical masters are fabricated by peptide self-assembling on the surface of mica. These masters can be easily molded into hard poly(dimethylsiloxane) surfaces, and then further replica-molded into polyurethane surfaces. The polymeric surfaces with regular 1D and 2D patterns on the nanometer scale are expected to have new applications in nanostructure's fabrication.

Keywords: Peptide; self-assembly; nanofabrication; replica molding; atomic force microscopy (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1142/S0218625X07009396

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