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Position control and optical manipulation for nanotechnology applications

Author

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  • M. Capitanio
  • R. Cicchi
  • F. S. Pavone

Abstract

During the last decade, great advances have been made concerning the construction and manipulation of nanostructures. As a consequence, nanometer stability and control of the sample position have became crucial points. For this purpose, we have built an optical microscope with high mechanic stability and we have implemented a feedback system in order to compensate thermal drifts. We demonstrate the system stability to be within one nanometer, with a control on the sample position of some micrometers, along the three spatial directions. The sample can be manipulated optically by means of a multiple optical tweezers setup and its displacements measured with a 3D position detector. We discuss and characterize the system properties thoroughly. We finally test the apparatus on a bio-molecular system constituted by a single myosin motor interacting with an actin filament. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2005

Suggested Citation

  • M. Capitanio & R. Cicchi & F. S. Pavone, 2005. "Position control and optical manipulation for nanotechnology applications," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 46(1), pages 1-8, July.
    • Handle: RePEc:spr:eurphb:v:46:y:2005:i:1:p:1-8
    DOI: 10.1140/epjb/e2005-00232-2
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    Cited by:

    1. C. Arbore & M. Sergides & L. Gardini & G. Bianchi & A. V. Kashchuk & I. Pertici & P. Bianco & F. S. Pavone & M. Capitanio, 2022. "α-catenin switches between a slip and an asymmetric catch bond with F-actin to cooperatively regulate cell junction fluidity," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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