1 Electrokinetic Motion of a Deformable Particle: Dielectrophoretic Effect Ye Ai a , Benjamin Mauroy b , Ashutosh Sharma c, d and Shizhi Qian a, d* a Department of Mechanical and Aerospace Engineering, Old Dominion University Norfolk, VA 23529, USA b Laboratoire MSC, Université Paris 7 / CNRS, Paris France and Laboratoire J.A. Dieudonné, Université de Nice Sophia-Antipolis / CNRS, Nice, France c Department of Chemical Engineering, Indian Institute of Technology at Kanpur, Kanpur 208016, India d School of Mechanical Engineering, Yeungnam University Gyongsan 712-749, South Korea Keywords: Dielectrophoresis; Electrophoresis; Fluid-structure interaction; Microfluidics; Particle deformation * Correspondence: Professor Shizhi Qian, Department of Mechanical and Aerospace Engineering, Old Dominion University, ECSB 1309, 4700 Elkhorn Avenue, Norfolk, VA 23529-0247, USA Email: sqian@odu.edu Fax: +1-757-683-3200 Abbreviations: ALE, Arbitrary Lagrangian-Eulerian; DEP, Dielectrophoretic; EDL, Electrical Double Layer; EOF, Electroosmotic Flow; RBC, Red Blood Cell; 2D, Two-dimensional