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Miniature, all-solid-state ion-selective sensor as a detector in autonomous, deployable sensing device

Anastasova, Salzitsa and Slater, Conor and Radu, Aleksandar and Bobacka, Johan and Lewenstam, Andrzej and Diamond, Dermot (2008) Miniature, all-solid-state ion-selective sensor as a detector in autonomous, deployable sensing device. In: Matrafüred 2008, 5-10 October 2008, Dobogόkö, Hungary.

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Abstract

Lowering of the detection limit of ion-selective electrodes (ISEs) as well as their simple construction, low production cost and low power requirements make ISEs an ideal candidate for detector systems that can be integrated into autonomous, deployable sensing devices. Routine analysis and early warning systems are applications that first spring to mind, however great added value can be obtained by integration of many such devices into a wireless sensing network. In this work we describe our work towards the miniaturization of ISEs and their integration of with all-solid-state reference electrode into an all-solid-state sensor with a view of integration in autonomous, deployable sensing device. This work has two avenues: 1) development of a platform that can house all-solid-state ISEs and reference electrodes and 2) development of electronic circuitry for data acquisition and wireless transmission of the data. The latter utilizes novel, in-house made motes (a node in a wireless sensor network that is capable of performing some processing, gathering sensory information and communicating with other connected nodes in the network) that operate at lower frequency and therefore consume lower power then other, commercially available ones. In addition, they are easier to program which bridges the gap of communication between chemists and computer scientists. Intensification of the work in producing all-solid-state reference electrodes has enabled us to work on development of a platform that houses all-solid-state ISEs and reference electrode. We will here describe our progress in this avenue of our research.

Item Type:Conference or Workshop Item (Poster)
Event Type:Conference
Refereed:Yes
Subjects:Physical Sciences > Chemical detectors
Physical Sciences > Electrochemistry
Physical Sciences > Environmental chemistry
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Science and Health > School of Chemical Sciences
Research Initiatives and Centres > National Centre for Sensor Research (NCSR)
Research Initiatives and Centres > CLARITY: The Centre for Sensor Web Technologies
Official URL:http://www.matrafured-08.ethz.ch/
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
Funders:Enterprise Ireland, EI 07/RFP/MASF812, Science Foundation Ireland, SFI 07/CE/I1147
ID Code:2481
Deposited On:03 Jun 2009 14:07 by Salzitsa Anastasova. Last Modified 04 May 2010 14:40

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