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Low-Cost FDM-Printed Microfluidic Droplet Generators with Vertical Flow-Focusing ChannelsBy D. M. C. T. Dissanayake, L. C. Menikarachchi, K. B. Wijayaratne, B. S. Nanayakkara, L. K. Narangammana
Abstract: *Author for CorrespondenceL. K. NarangammanaE-mail: [email protected] Low-cost fabrication methods are now essential for expanding access to microfluidic technologies in biological and laboratory applications. In this work, we present a fused deposition modeling (FDM) based approach for the rapid fabrication of monolithic microfluidic droplet generators incorporating several T-junction and specific flow-focusing geometries, including a novel vertical channel configuration. All devices were fabricated without post-processing or bonding, demonstrating a simple and cost-effective …
Published in International Journal of Chemical Separation Technology · Vol. 12, Issue 1, 2026 · pp. 30–46 Read article →