Figure 3 | Scientific Reports

Figure 3

From: A rotationally focused flow (RFF) microfluidic biosensor by density difference for early-stage detectable diagnosis

Figure 3

CFD simulation results investigations for; (a) the RFF generation by observing target molecule’s behaviors with numbered cross-section views at the left inlet (1), the right inlet (2), the main channel entrance (3), 1 mm (4), 2 mm (5), 3 mm (6), 4.8 mm (7) distant from the entry, (b) the denaturation safety analysis of target molecules by ethanol at an outlet of a microchannel (at 7—where the microring sensor is attached) with 60 μm of a focused region, 18 μm of a diffusion region and 42 μm of the safe region thicknesses. The RFF was formed by injecting 3 μL/min of PBS, including polystyrene beads (ball typed dots) as a target fluid and 9 μL/min of ethanol as a less-dense fluid for the CFD simulation. Both fluids are flowing continuously.

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