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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 34: Microfluidics I: Applications and Devices

CPP 34.2: Vortrag

Donnerstag, 26. März 2009, 09:45–10:00, ZEU 160

Separation of magnetic beads by a combination of magnetic and hydrodynamic forces — •Frank Wittbracht, Alexander Weddemann, Alexander Auge, and Andreas Hütten — Universität Bielefeld, Universitätstraße 25, D-33615 Bielefeld

Lab-on-a-chip technologies have gained importance in recent years. The integration of all functions and components needed for the analysis of a sample on microfluidic chips has to be achieved. Magnetic materials are widely used in these systems for various applications such as magnetohydodynamic pumps and valves. Especially in terms of separation and detection of biological samples magnetic materials are suitable.

In this work a microfluidic separation system for magnetic beads is experimentally realized according to theoretical simulations. The separation of magnetic beads is achieved by magnetic gradient fields resulting from conducting lines near the microfluidic channel. Experimental results are compared to calculated results.

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DPG-Physik > DPG-Verhandlungen > 2009 > Dresden