Switchable Biosensor Controlled by Biocatalytic Process

The poly(dimethylamino methacrylate) (PDMAEMA) brush‐modified indium tin oxide (ITO) electrode was used to test the switch properties of interfacial activity caused by bioelectrochemical signals. The swelling of the polymer brushes increased when the medium’s pH changed from alkaline to acid after g...

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Bibliographic Details
Published in:Electroanalysis (New York, N.Y.) N.Y.), 2013-08, Vol.25 (8), p.1818-1822
Main Authors: Basso, Caroline R., Santos, Bruna L., Pedrosa, Valber A.
Format: Article
Language:English
Subjects:
Bioelectrocatalytic process
Biosensors
Polymer brushes
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Summary:The poly(dimethylamino methacrylate) (PDMAEMA) brush‐modified indium tin oxide (ITO) electrode was used to test the switch properties of interfacial activity caused by bioelectrochemical signals. The swelling of the polymer brushes increased when the medium’s pH changed from alkaline to acid after glucose was added to the system. A pH change generated in situ by means of biocatalytic reactions enabled bioelectrocatalytic interface’s reversible activation.
ISSN:1040-0397
1521-4109
DOI:10.1002/elan.201300194