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Optimization of capacitive affinity sensors: drift suppression and signal amplification

Riepl, Michael, Mirsky, Vladimir M., Novotny, Ivan, Tvarozek, Vladimir, Rehacek, Vlastimil and Wolfbeis, Otto S. (1999) Optimization of capacitive affinity sensors: drift suppression and signal amplification. Analytica Chimica Acta 392, pp. 77-84.

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Date of publication of this fulltext: 06 Jun 2011 13:36


The detection limit of capacitive affinity sensors based on the gold±alkanethiol system can be improved by optimization of sensor preparation and by signal amplification. The dissociation of the gold±sulfur binding is often a critical point leading to operative errors of such sensors. The stability of self-assembled monolayers prepared with different thiols on gold electrodes in aqueous and ...


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Item type:Article
Institutions:Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik > Chemo- und Biosensorik (Prof. Antje J. Bäumner, formerly Prof. Wolfbeis)
Keywords:Affinity sensor; Self-assembly; Capacitive sensor; Signal amplification; Immunosensor; Biosensor
Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Created at the University of Regensburg:Unknown
Item ID:21006
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