Browsing by Author "Ercan, Batur"

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    Microfluidic methods in janus particle synthesis
    (Dove Medical Press Ltd, 2022-09-19) Saqib, Muhammad; Tran, Phong A.; Ercan, Batur; Yegan Erdem, Emine
    Janus particles have been at the center of attention over the years due to their asymmetric nature that makes them superior in many ways to conventional monophase particles. Several techniques have been reported for the synthesis of Janus particles; however, microfluidic-based techniques are by far the most popular due to their versatility, rapid prototyping, low reagent consumption and superior control over reaction conditions. In this review, we will go through microfluidic-based Janus particle synthesis techniques and highlight how recent advances have led to complex functionalities being imparted to the Janus particles. © 2022 Saqib et al.
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    Synthesis of anisotropic magnetic polymeric janus particles by in situ separation of magnetic nanoparticles in a microfluidic device
    (American Chemical Society, 2023-11-20) Saqib, Muhammad; Ercan, Batur; Erdem, E. Yegan
    Magnetic Janus particles have been studied extensively for medical and biological applications owing to their controllable mobility in fluid media. In this work, we report a novel microfluidic device designed for the synthesis of magnetically anisotropic Janus particles made of poly(ethylene glycol) diacrylate and embedded with magnetic iron oxide nanoparticles. Our method consists of a droplet generation step followed by magnetic separation using an external magnetic field and ultraviolet polymerization. The synthesized particles exhibit a monodisperse size distribution with a standard deviation of less than 3.5%, which is among the best size distributions obtained in the literature for magnetic Janus particles. The anisotropic magnetic property of the particles enable them to rotate about their own axes in the presence of an external magnetic field, introducing another degree of freedom to their motion. This microfluidic technique is simple, one-step, and versatile, offering control over the size distribution to synthesize magnetically anisotropic Janus particles.