Optical microrheology of biopolymers

Simon Parkin; Gregor Knöner; Timo A. Nieminen; Norman R. Heckenberg; Halina Rubinsztein-Dunlop

doi:10.1117/12.651754

14 January 2006 Optical microrheology of biopolymers

Simon Parkin, Gregor Knöner, Timo A. Nieminen, Norman R. Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 6038, Photonics: Design, Technology, and Packaging II; 60380A (2006) https://doi.org/10.1117/12.651754
Event: Microelectronics, MEMS, and Nanotechnology, 2005, Brisbane, Australia

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.

Citation Download Citation

Simon Parkin, Gregor Knöner, Timo A. Nieminen, Norman R. Heckenberg, and Halina Rubinsztein-Dunlop "Optical microrheology of biopolymers", Proc. SPIE 6038, Photonics: Design, Technology, and Packaging II, 60380A (14 January 2006); https://doi.org/10.1117/12.651754

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