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Screen-printable silver nanoparticulate-based inks for the electrocatalysis of hydrogen peroxide

Goodison, Alan and Killard, Anthony J. and Morrin, Aoife (2013) Screen-printable silver nanoparticulate-based inks for the electrocatalysis of hydrogen peroxide. In: EuroNanoForum 2013, 18-20 June 2013, Dublin, Ireland.

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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 treated 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, size and silver supplier is investigated for its effect 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
Subjects:Physical Sciences > Chemistry
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Science and Health > School of Chemical Sciences
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:19864
Deposited On:25 Feb 2014 11:32 by Aoife Morrin. Last Modified 25 Feb 2014 11:32

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