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Multilayer laminated electrode assemblies: Integrated disposable sampling-sensing structures

Biomedical Sciences Research Institute Computer Science Research Institute Environmental Sciences Research Institute Nanotechnology & Advanced Materials Research Institute

Yonge, L, Isaac, A, Livingstone, C and Davis, J (2005) Multilayer laminated electrode assemblies: Integrated disposable sampling-sensing structures. ANALYTICAL LETTERS, 38 (13). pp. 2067-2076. [Journal article]

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DOI: 10.1080/00032710500259409

Abstract

A novel approach to the use and fabrication of disposable electrochemical sensors has been detailed. Metal foils are sandwiched between an insulating polymer with multiple, individually addressable layers built up to form the basis of a three-electrode sensor. Coring the laminate reveals a ring electrode configuration within a ``detection well with sample volume defined by the capillary filling of the void. A dip-extract-analyze sampling protocol was designed such that multiple sites within a single laminate strip can be used. The mechanical integrity of the construction has been assessed by electron microscopy and the electrochemical characteristics investigated using the oxidation of glucose as a model analyte. The reproducibility of the fabrication method has been evaluated with intra- and inter-RSD values for the analysis of 2 mM glucose lying within 5%.

Item Type:Journal article
Faculties and Schools:Faculty of Computing & Engineering
Faculty of Computing & Engineering > School of Engineering
Research Institutes and Groups:Engineering Research Institute
Engineering Research Institute > Nanotechnology & Integrated BioEngineering Centre (NIBEC)
ID Code:14336
Deposited By:Professor James Davis
Deposited On:01 Jul 2010 09:24
Last Modified:18 Aug 2011 11:19

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