'Dispersible electrodes': a solution to slow response times of sensitive sensors

Herein, we introduce the concept of utilizing conductive gold-coated magnetic nanoparticles as 'dispersible electrodes', which serve as the active element in the selective capture and direct electro-analytical quantification of analytes. This concept reduces response times and decreases de...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2010-12, Vol.46 (46), p.8821-8823
Main Authors: Goon, Ian Y, Lai, Leo M H, Lim, May, Amal, Rose, Gooding, J Justin
Format: Article
Language:English
Subjects:
Copper - chemistry
Electrochemistry
Electrodes
Ferrosoferric Oxide - chemistry
Gold - chemistry
Magnetics
Metal Nanoparticles - chemistry
Solutions
Surface Properties
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Summary:Herein, we introduce the concept of utilizing conductive gold-coated magnetic nanoparticles as 'dispersible electrodes', which serve as the active element in the selective capture and direct electro-analytical quantification of analytes. This concept reduces response times and decreases detection limits by bringing the sensor to the analyte rather than the conventional paradigm of the analyte finding the sensor.
ISSN:1359-7345
1364-548X
DOI:10.1039/c0cc02690e