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Geometry of the microfluidic device and schematic illustration of cell trajectories. Large arrows indicate fluid flow. Note that cells separate with respect to their position in z (height).
Micrographs of red blood cells and blood platelets at the beginning (left images) and the end (right images) of the microchannel (, ). The graphs below show the corresponding statistics that have been determined by relative counts in intervals of . Below , no platelets are visible due to optical interference of the channel wall. A Gaussian curve has been fitted to the histogram to calculate the average height of the objects. Its standard deviation has been identified as a measure for the scattering of the height values.
Adopted height against flow rate for RBCs, platelets, and microspheres at and a dynamic viscosity of (a) and (b). An average of about 250 particles has been counted for each species per data point. The dashed lines represent the results of the calculation.
Separation and sorting of red blood cells (upper channel) and blood platelets (lower channel). The RBC trajectory is visualized by an overlay of 11 consecutive frames with time intervals of 1 ms.
Properties of red blood cells, blood platelets, and polystyrene microspheres.23–30
Adopted heights of red blood cells, blood platelets, and microspheres at with an estimated entrance height of .
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