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. 2014 Aug 4;9(8):e104109. doi: 10.1371/journal.pone.0104109

Figure 1. Specifications of the applied DEP systems:

Figure 1

(A) an open-top PDMS block was assembled onto a DEP platform equipped with one microelectrode array, the inset shows the magnified image of one pair of the curved microelectrodes, the minimum gap of the electrode is 40 µm and the width of the electrod tip is 50 µm. (B) Contours of electric field at the levitation height of z = 10 µm. (C) The formation of vortices due to the electro-thermal effects, obtained under the medium conductivity of 0.03 S/m. The streamlines are colored according to the local temperature of the liquid. A maximum velocity of 54 µm/s was achieved along the tip of microelectrodes.