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Investigate the optimal flow rate and optimal concentration for separation in the trapezoidal channel and the trapezoidal spiral channel. (a) The variation of focusing position and normalized fluorescence intensity of 5 μm with flow rate. (b) The variation of focusing position and normalized fluorescence intensity of 15 μm with flow rate. (c) Effect of flow rate on separation efficiency and purity. (d) Effect of solution concentration on separation efficiency and purity.
