Author:
Idegami Koutarou,Chikae Miyuki,Kerman Kagan,Takamura Yuzuru
Abstract
A high-sensitive immunosensor was developed monitoring the redox signals of Au nanoparticles in connection with disposable screen-printed carbon strips (SPCSs). All the procedures could be performed on only one strip in a volume of 2 μL solution. Additionally, the direct observation of the Au nanoparticle-labeled antigen-antibody complex on the electrode surface was performed by SEM imaging.The changes in the structure of Au nanoparticles during the redox process could be monitored using the high-resolution SEM images. Our immunosensor system, a combination of the screen-printing technology, direct electrical detection of Au nanoparticles with redox enhancement, provides a promising biosensor for various applications in life sciences.
Publisher
The Electrochemical Society
Cited by
1 articles.
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