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Towards understanding a distinct hydrogen peroxide electrocatalytic enhancement using surfactant-based coatings on silver

Goodison, Alan and Gonzalez-Macia, Laura and Killard, Anthony J. and Morrin, Aoife (2013) Towards understanding a distinct hydrogen peroxide electrocatalytic enhancement using surfactant-based coatings on silver. In: 2013 MRS Fall Meeting & Exhibit, 1-6 Dec 2013, Boston, MA..

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Abstract

The detection of hydrogen peroxide has been shown to be very important in recent years due to its relevant role in many industrial applications as well as biological reactions. We are interested in it as a quantitative marker for oxidase-based biosensor applications where it is produced when substrate (e.g., glucose, cholesterol) is catalysed by its respective oxidase enzyme. Previously, a commercial silver flake-based screen-printing ink (PF-410, Acheson®), when coated with surfactant and salt (dodecylbenzenesulfonic acid (DBSA) and KCl) has shown to significantly enhance the electrochemical reduction of hydrogen peroxide - up to 80-fold over non-treated inks. In this study, the silver morphology, presence of dispersant and silver supplier is investigated for their effects on the electrocatalysis of hydrogen peroxide. In order to do this, inks loaded with silver micron-sized flakes and silver nanopowders, from various suppliers, are prepared using the binder material extracted from the Acheson® PF-410 to formulate inks.

Item Type:Conference or Workshop Item (Poster)
Event Type:Conference
Refereed:No
Uncontrolled Keywords:Hydrogen Peroxide; Detection
Subjects:Physical Sciences > Chemistry
Biological Sciences > Biosensors
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)
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
Funders:European Community’s 7th Framework Programme [FP7/2007-2013] under Grant Agreement no 257372
ID Code:19712
Deposited On:28 Jan 2014 14:59 by Aoife Morrin. Last Modified 30 Nov 2016 13:39

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