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Bacterium-based Mobile Bionanosensor Networks for Target Tracking: A Biologically Realistic Model

This paper uses a biologically realistic model of chemotactic bacteria to design and evaluate a bacterium-based mobile bionanosensor network for tracking a moving target. The bacterium-based bionanosensor starts releasing chemoattractant, upon detecting a target, to create the concentration gradient of chemoattractant around the target. It also shows chemotactic responses to the concentration gradient to move toward the higher concentration of chemoattractant. Computer simulation results show that a group of bionanosensors collectively performs target tracking, demonstrating feasibility that such bionanosensors can be designed from chemotactic bacteria.