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BMEhard

Microfluidic Hemodynamic Analog Design

Design and fabricate a multi-channel microfluidic device capable of simulating pulsatile flow through a bifurcated arterial model with a localized stenosis. Participants must demonstrate precise control over fluid shear stress gradients and incorporate a passive filtration mechanism to trap 10-micron surrogate particulate matter. The final design must provide quantitative data on flow rate consistency and pressure drop across the constriction under varied input frequencies.

Materials: Transparent silicone sealant, flexible tubing, clear acrylic sheets, high-viscosity food-grade glycerin, red food coloring, syringe pump mechanism, precision syringe needles.

Deadline: October 6, 2026
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Background: NASA/ESA Hubble