Towards slime mould chemical sensor: Mapping chemical inputs onto electrical potential dynamics of Physarum Polycephalum

Whiting, J., de Lacy Costello, B. and Adamatzky, A. (2014) Towards slime mould chemical sensor: Mapping chemical inputs onto electrical potential dynamics of Physarum Polycephalum. Sensors and Actuators B: Chemical, 191. pp. 844-853. ISSN 0925-4005 Available from: http://eprints.uwe.ac.uk/29813

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Publisher's URL: http://dx.doi.org/10.1016/j.snb.2013.10.064

Abstract/Description

Plasmodium of slime mould Physarum polycephalum is a large single celled organism visible unaided by the eye. This slime mould is capable of optimising the shape of its protoplasmic networks in spatial configurations of attractants and repellents. Such adaptive behaviour can interpreted as computation. When exposed to attractants and repellents, Physarum changes patterns of its electrical activity. We experimentally derived a unique one-to-one mapping between a range of selected bioactive chemicals and patterns of oscillations of the slime mould's extracellular electrical potential. This direct and rapid change demonstrates detection of these chemicals in a similar manner to a biological contactless chemical sensor. We believe results could be used in future designs of slime mould based chemical sensors and computers.

Item Type:Article
Additional Information:The final publication is available at http://dx.doi.org/10.1016/j.snb.2013.10.064.
Uncontrolled Keywords:physarum polycephalum, electrical activity, oscillations, biosensor
Faculty/Department:Faculty of Environment and Technology > Department of Computer Science and Creative Technologies
ID Code:29813
Deposited By: Dr J. Whiting
Deposited On:23 Sep 2016 10:33
Last Modified:11 Feb 2017 21:23

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