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Title: Optimisation of polymer particles propulsion on caesium ion-exchanged channel waveguide for stem cells sorting applications
Authors: Mukhzeer, Mohamad Shahimin
O. G., Hellesø
J. S., Wilkinson
T., Melvin
Keywords: Waveguides;Optical trapping;Polymer particles;Stem cells;Evanescent field;Malaysian Technical Universities Conference on Engineering and Technology (MUCEET)
Issue Date: 20-Jun-2009
Publisher: Universiti Malaysia Pahang
Citation: p1-6
Series/Report no.: Proceedings of the Malaysian Technical Universities Conference on Engineering and Technology (MUCEET) 2009
Abstract: Optical trapping of particles has become a powerful non-mechanical and nondestructive technique for precise particle positioning. The manipulation of particles in the evanescent field of a channel waveguide potentially allows for sorting and trapping of several particles and cells simultaneously. This paper describes the studies carried out, both theoretically and experimentally, to optimise the propulsion of polymer particles on caesium ionexchanged channel waveguides, to ultimately allow for the trapping and separation of stem cells according to their size and refractive index. The propulsion of polymer particles was observed to increase with the supplied input power and with laser polarisation at transverse magnetic (TM) mode. The propulsion of particles was demostrated to peak on a 4μm channel width of an 8 hours ion-exchanged waveguide. The work carried out provides the optimal optical and waveguide parameters to be exploited for trapping and sorting stem cells on caesium ion-exchanged waveguides.
Description: Malaysian Technical Universities Conference on Engineering and Technology organized by Universiti Malaysia Pahang in collaboration with Universiti Tun Hussein Onn Malaysia, Universiti Teknikal Malaysia Melaka & Universiti Malaysia Perlis on June 20th - 22nd, 2009, at MS Garden Hotel, Kuantan, Pahang, Malaysia.
URI: http://hdl.handle.net/123456789/8817
Appears in Collections:Conference Papers

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