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    A planar conducting microstructure to guide and confine magnetic beads to a sensing zone

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    Type
    Conference Paper
    Authors
    Gooneratne, Chinthaka Pasan
    Liang, Cai cc
    Kosel, Jürgen cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Physical Science and Engineering (PSE) Division
    Sensing, Magnetism and Microsystems Lab
    Date
    2011-08
    Permanent link to this record
    http://hdl.handle.net/10754/564404
    
    Metadata
    Show full item record
    Abstract
    A novel planar conducting microstructure is proposed to transport and confine magnetic micro/nano beads to a sensing zone. Manipulation and concentration of magnetic beads are achieved by employing square-shaped conducting micro-loops, with a few hundred nano-meters in thickness, arranged in a unique fashion. These microstructures are designed to produce high magnetic field gradients which are directly proportional to the force applied to manipulate the magnetic beads. Furthermore, the size of the microstructures allows greater maneuverability and control of magnetic beads than what could be achieved by permanent magnets. The aim of the microstructures is to guide magnetic beads from a large area and confine them to a smaller area where for example quantification would take place. Experiments were performed with different concentrations of 2 μm diameter magnetic beads. Experimental results showed that magnetic beads could be successfully guided and confined to the sensing zone. © 2011 Elsevier B.V. All rights reserved.
    Citation
    Gooneratne, C. P., Liang, C., & Kosel, J. (2011). A planar conducting microstructure to guide and confine magnetic beads to a sensing zone. Microelectronic Engineering, 88(8), 1757–1760. doi:10.1016/j.mee.2010.12.068
    Publisher
    Elsevier BV
    Journal
    Microelectronic Engineering
    Conference/Event name
    36th International Conference on Micro- and Nano-Engineering (MNE)
    DOI
    10.1016/j.mee.2010.12.068
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.mee.2010.12.068
    Scopus Count
    Collections
    Conference Papers; Physical Science and Engineering (PSE) Division; Electrical and Computer Engineering Program; Sensing, Magnetism and Microsystems Lab; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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