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A Scheduling and Routing Algorithm for Digital Microfluidic Ring Layouts with Bus-phase Addressing
 

Summary: A Scheduling and Routing Algorithm for Digital Microfluidic
Ring Layouts with Bus-phase Addressing
Megha Gupta and Srinivas Akella
Abstract-- Digital microfluidic systems (DMFS) are a new
class of lab-on-a-chip systems for biochemical analysis. A DMFS
uses electrowetting to manipulate discrete droplets on a planar
array of electrodes. The chemical analysis is performed by
repeatedly moving, mixing, and splitting droplets on the elec-
trodes. Recently, there has been a lot of interest in developing
algorithms and computational tools for the design, simulation,
and performance evaluation of DMFS. In this paper, we present
an algorithm for coordinating droplet movement in batch mode
operations on ring layouts with bus-phase addressing. In bus-
phase systems, each electrode is not individually addressable,
instead a set of electrodes are all controlled by the same signal.
Though this hardware design simplifies chip fabrication, it
increases the complexity of routing droplets. The presented
algorithm allows multiple independent reactions, each with
two reactants and one product, and chain reactions with
multiple stages, where each stage produces reactants for the

  

Source: Akella, Srinivas - Department of Computer Science, University of North Carolina, Charlotte

 

Collections: Engineering; Computer Technologies and Information Sciences