On-Chip Manipulation of Protein-Coated Magnetic Beads via Domain-Wall Conduits

Marco Donolato, Paolo Vavassori, Marco Gobbi, Maria Deryabina, Mikkel Fougt Hansen, Vitali Metlushko, Bojan Ilic, Matteo Cantoni, Daniela Petti, Stefano Brivio, Riccardo Bertacco

    Research output: Contribution to journalJournal articleResearchpeer-review


    Geometrically constrained magnetic domain walls (DWs) in magnetic nanowires can be manipulated at the nanometer scale. The inhomogeneous magnetic stray field generated by a DW can capture a magnetic nanoparticle in solution. On-chip nanomanipulation of individual magnetic beads coated with proteins is demonstrated through the motion of geometrically constrained DWs in specially designed magnetic nanoconduits fully integrated in a lab-on-a-chip platform.
    Original languageEnglish
    JournalAdvanced Materials
    Issue number24
    Pages (from-to)2706-2710
    Publication statusPublished - 2010


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