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Proceedings Paper

Optical microrheology of biopolymers
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Paper Abstract

We use passive and active techniques to study microrheology of a biopolymer solution. The passive technique is video tracking of tracer particles in the biopolymer, a technique which is well established. The active technique is based on rotating optical tweezers, which is used to study viscosity. A method to actively measure viscoelascity using time varying rotation of a particle trapped in optical tweezers is also presented.

Paper Details

Date Published: 14 January 2006
PDF: 7 pages
Proc. SPIE 6038, Photonics: Design, Technology, and Packaging II, 60380A (14 January 2006); doi: 10.1117/12.651754
Show Author Affiliations
Simon Parkin, The Univ. of Queensland (Australia)
Gregor Knöner, The Univ. of Queensland (Australia)
Timo A. Nieminen, The Univ. of Queensland (Australia)
Norman R. Heckenberg, The Univ. of Queensland (Australia)
Halina Rubinsztein-Dunlop, The Univ. of Queensland (Australia)


Published in SPIE Proceedings Vol. 6038:
Photonics: Design, Technology, and Packaging II
Derek Abbott; Yuri S. Kivshar; Halina H. Rubinsztein-Dunlop; Shanhui Fan, Editor(s)

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