Bioengineering / Biyomühendislik

Permanent URI for this collectionhttps://hdl.handle.net/11147/4529

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Access Right: Open AccessPublisher: search.filters.publisher.Chemical and Biological Microsystems Society

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  • Conference Object
    Size-Based Microparticle Seperation Using Negative Magnetophoresis
    (Chemical and Biological Microsystems Society, 2021) Solmaz Özçelik, Özge; Öksüz, Cemre; Tekin, Hüseyin Cumhur
    We present a new size-based microparticle separation device using negative magnetophoresis. Microparticles spiked in the paramagnetic medium were filtered with respect to their sizes in a microfluidic channel placed between two magnets. Negative magnetophoresis allows large microparticles to be captured before the magnets, while small microparticles pass through the magnets under a constant flow. With this method, we reached 84.2% capturing efficiency of large microparticles (44 µm diameter) and capturing purity of 80.3% in the presence of small microparticles (17 µm diameter) at 3 µL/min flow rate. The capturing purity could further improve up to 99% by increasing the flow rate.