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What is Dielectrophoresis

Chapter 8
Handbook of Research on Swarm Intelligence in Engineering
Dielectrophoresis (DEP) is a phenomenon in which a force is exerted on a dielectric particle when it is subjected to a non-uniform electric field. This force does not require the particle to be charged. All particles exhibit dielectrophoretic activity in the presence of electric fields. However, the strength of the force depends strongly on the medium and particles' electrical properties, on the particles' shape and size, as well as on the frequency of the electric field.
Published in Chapter:
Advanced Strategy for Droplet Routing in Digital Microfluidic Biochips Using ACO
Indrajit Pan (RCC Institute of Information Technology, India) and Tuhina Samanta (Indian Institute of Engineering Science and Technology, India)
Copyright: © 2015 |Pages: 33
DOI: 10.4018/978-1-4666-8291-7.ch008
Abstract
Significant researches are going on for high performance droplet routing in Digital Microfluidic Biochip (DMFB). This chapter elaborates an ant colony optimization based droplet routing technique for high performance design in DMFB. The method is divided into two phases. (1) In the first phase, two dedicated ants generated from each source of the droplets traverse the rectilinear path between the source-target pairs and deposit pheromone to construct rectangular bounding box. Initial bounding box helps in restricted ant movements in the next phase. (2) In the second phase, real routing path is generated. Detour and stalling phenomena are incurred to resolve routing conflict. The method has explored both single ant and multiple ant systems to address detours from the conflicting zone in search for the best possible route towards destination. The method has been simulated on several existing benchmarks and comparative results are quite encouraging.
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