title: Cooperative target tracking by a mobile bionanosensor network.
abstract: This paper describes a mobile bionanosensor network designed for target tracking. The mobile bionanosensor network is composed of bacterium-based autonomous biosensors that coordinate their movement through the use of two types of signaling molecules, repellents and attractants. In search of a target, the bacterium-based autonomous biosensors release repellents to quickly spread over the environment, while, upon detecting a target, they release attractants to recruit other biosensors in the environment toward the location around the target. A mobility model of bacterium-based autonomous biosensors is first developed based on the rotational diffusion model of bacterial chemotaxis, and from this their collective movement to track a moving target is demonstrated. In simulation experiments, the mobile bionanosensor network is evaluated based on the mean tracking time. Simulation results show a set of parameter values that can optimize the mean tracking time, providing an insight into how bacterium-based autonomous biosensors may be designed and engineered for target tracking.
authors.forename: Yutaka
authors.initials: Y
authors.lastname: Okaie
authors.forename: Tadashi
authors.initials: T
authors.lastname: Nakano
authors.forename: Takahiro
authors.initials: T
authors.lastname: Hara
authors.forename: Takuya
authors.initials: T
authors.lastname: Obuchi
authors.forename: Kazufumi
authors.initials: K
authors.lastname: Hosoda
authors.forename: Yasushi
authors.initials: Y
authors.lastname: Hiraoka
authors.forename: Shojiro
authors.initials: S
authors.lastname: Nishio
mesh_terms: D000465:Algorithms; D001709:Biotechnology / Q000379:methods*; D002450:Cell Communication / Q000502:physiology*; D002633:Chemotaxis / Q000502:physiology*; D003198:Computer Simulation; D039301:Computers, Molecular; D008954:Models, Biological; D036103:Nanotechnology / Q000379:methods*