Fig. 2
From: Power-free plasma separation based on negative magnetophoresis for rapid biochemical analysis
Schematic illustration of magnetic field simulation results and its enhancement mechanism. a Simulation results of the enhanced double Halbach magnetic array, showing the magnetic field distribution with white arrows indicating the magnetic field direction. b Comparable simulation results for the conventional double Halbach magnetic array. c Comparative analysis of simulation results and experimental measurements for the enhanced double Halbach magnetic array, validating the accuracy of the simulation model. d Comparison of the negative magnetophoretic force exerted on 2 μm particles along the y-axis by both enhanced (at x = 14 mm) and conventional (at x = 20 mm) magnetic array, as indicated by the dotted lines in Fig. 2a, b. e, f The negative magnetophoretic force profiles on 2 μm particles along the x-axis (at y = 6 mm) for the enhanced and conventional magnetic arrays, respectively, highlighting the effective length of the negative magnetophoretic force generated by each array
