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Andreas Hutten

Andreas Hutten

Bielefeld University, Germany

Title: Magnetic nanoparticles meet microfluidics

Biography

Biography: Andreas Hutten

Abstract

Lab-on-a-chip immunoassays utilizing super paramagnetic beads as labels allow for transport, separation and detection of different bead species by employing magnetic strayfield landscapes and/or special channel geometries in microfluidic systems in combination with integrated magnetoresistive sensors. Moreover, the formation of magnetic bead superstructures due to dipolar magnetic interactions can be applied as configurable matter so as to realize programmable microfluidic functions such as mixers, filters or valves which are able to simultaneously detect biomolecule via molecular recognition. This lecture is focused on physical aspects regarding microfluidics and the formation of magnetic bead superstructures which play an important role on the way to magnetically controlled lab-on-a-chip structures. Moreover, the realization of giant magnetoresistive sensors based on these magnetic bead super structures will be discussed in detail.