Actin adsorbed on HOPG and Mica substrates: Characterization and manipulation by atomic force microscopy

D V Nicolau; Gregory S Watson; C Cahill; Jolanta A Blach; S Myhra

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Actin adsorbed on HOPG and Mica substrates: Characterization and manipulation by atomic force microscopy

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Actin adsorbed on HOPG and Mica substrates: Characterization and manipulation by atomic force microscopy

D V Nicolau, Gregory S Watson, C Cahill, Jolanta A Blach and S Myhra

Technical Proceedings of the 2004 Nanotechnology Conference and Trade Show, Vol.1, pp.103-105

Nanotechnology Conference and Trade Show (Nanotech), 2004 (Boston, United States, 07-Mar-2004–11-Mar-2004)

Computational Publications

2004

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Abstract

actin

atomic force microscope

Actin deposited onto a hydrophobic graphite surface forms paracrystalline rafts consisting of F-actin filaments. Those filaments retain their internal coherence during manipulation by an atomic force microscope tip. However, the filaments can be 'herded' systematically in a direction perpendicular to their long axis, due to weak interaction with the substrate. Actin deposited onto a hydrophilic mica surface, on the other hand, tend to become immobilized due to strong out-of-plane interactions. Circular ordered actin features can be formed at preferred sites defined by the intersection of interfaces at micro-bubbles with the substrate. The observations may have applications for devices based on dynamics of molecular motors.

Details

Title: Actin adsorbed on HOPG and Mica substrates: Characterization and manipulation by atomic force microscopy
Authors: D V Nicolau (Author) - Swinburne University
Gregory S Watson (Author) - Griffith University
C Cahill (Author) - Griffith University
Jolanta A Blach (Author) - Griffith University
S Myhra (Author) - Griffith University
Contributors: Matthew Laudon (Editor)
Bartlomiej F Romanowicz (Editor)
Publication details: Technical Proceedings of the 2004 Nanotechnology Conference and Trade Show, Vol.1, pp.103-105
Conference details: Nanotechnology Conference and Trade Show (Nanotech), 2004 (Boston, United States, 07-Mar-2004–11-Mar-2004)
Publisher: Computational Publications
Date published: 2004
ISBN: 0972842276
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99449150202621
Output Type: Conference paper

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