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    A magnetic particle micro-trap for large trapping surfaces

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    1-s2.0-S1877705811059650-main.pdf
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    Description:
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    Type
    Conference Paper
    Authors
    Gooneratne, Chinthaka Pasan
    Liang, Cai cc
    Giouroudi, Ioanna
    Kosel, Jürgen cc
    KAUST Department
    Electrical Engineering Program
    Physical Science and Engineering (PSE) Division
    Sensing, Magnetism and Microsystems Lab
    Date
    2012-01-09
    Online Publication Date
    2012-01-09
    Print Publication Date
    2011
    Permanent link to this record
    http://hdl.handle.net/10754/552531
    
    Metadata
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    Abstract
    Manipulation of micron-size magnetic particles of the superparamagnetic type contributes significantly in many applications like controlling the antibody/antigen binding process in immunoassays. Specifically, more target biomolecules can be attached/tagged and analyzed since the three dimensional structure of the magnetic particles increases the surface to volume ratio. Additionally, such biomolecular-tagged magnetic particles can be easily manipulated by an external magnetic field due to their superparamagnetic behavior. Therefore, magnetic particle- based immunoassays are extensively applied in micro-flow cytometry. The design of a square-loop micro-trap as a magnetic particle manipulator as well as numerical and experimental analysis is presented. Experimental results showed that the micro-trap could successfully trap and concentrate magnetic particles from a large to a small area with a high spatial range.
    Citation
    A magnetic particle micro-trap for large trapping surfaces 2011, 25:1201 Procedia Engineering
    Publisher
    Elsevier BV
    Journal
    Procedia Engineering
    Conference/Event name
    25th Eurosensors Conference
    DOI
    10.1016/j.proeng.2011.12.296
    Additional Links
    http://linkinghub.elsevier.com/retrieve/pii/S1877705811059650
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.proeng.2011.12.296
    Scopus Count
    Collections
    Conference Papers; Physical Science and Engineering (PSE) Division; Electrical and Computer Engineering Program; Sensing, Magnetism and Microsystems Lab

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