Louise Ejsing
Technical University of Denmark
5 Papers
114 Citations
Louise Ejsing is an academic researcher from Technical University of Denmark. The author has contributed to research in topics: Permalloy & Hall effect sensor. The author has an hindex of 4, co-authored 5 publications.
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Papers
Planar Hall effect sensor for magnetic micro- and nanobead detection
Louise Ejsing,Mikkel Fougt Hansen,Aric Kumaran Menon,Hugo Ferreira,D.L. Graham,Paulo P. Freitas +5 more
TL;DR: In this paper, a planar Hall effect in thin films of exchange-biased permalloy has been used to detect 2 μm and 250 nm magnetic beads for bio-applications.
Immobilisation of DNA to polymerised SU-8 photoresist.
Rodolphe Marie,Silvan Schmid,Alicia Johansson,Louise Ejsing,Maria Nordström,Daniel Häfliger,Claus Christensen,Anja Boisen,Martin Dufva +8 more
TL;DR: The immobilisation procedure relies on direct coupling of DNA to SU-8 and resulted in surfaces with functional capture probe densities of approximately 10 fmol/mm(2) as determined by hybridisation assays with fluorescent labelled target molecules.
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Planar Hall Sensor for Influenza Immunoassay
Louise Ejsing,Mikkel Fougt Hansen +1 more
- 01 Sep 2006
TL;DR: In this article, a planar Hall sensor for detecting magnetic beads is presented. But the authors focus on the detection of a single 50 nm bead and do not consider how to detect the other 50 nm beads.
Frequency response in surface-potential driven electrohydrodynamics.
TL;DR: Using a Fourier approach, a general solution to calculations of slip velocity within the circuit description of the electrohydrodynamics in a binary electrolyte confined by a plane surface with a modulated surface potential is offered.
Magnetic microbead detection using the planar Hall effect
Louise Ejsing,Mikkel Fougt Hansen,Aric Kumaran Menon,Hugo Ferreira,D.L. Graham,Paulo P. Freitas +5 more
TL;DR: In this article, a planar Hall effect of exchanged-biased permalloy has been used for detecting magnetic beads commonly used for bioseparation (Micromer-M, Micromod, Germany) and the sensor sense current is sufficient to generate a signal from the beads.