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Molecules 2013, 18(12), 15573-15586; doi:10.3390/molecules181215573
Article

Beads-Based Electrochemical Assay for the Detection of Influenza Hemagglutinin Labeled with CdTe Quantum Dots

1, 1, 1,2, 1,2, 1,2, 1,2 and 1,2,*
Received: 10 October 2013 / Revised: 25 November 2013 / Accepted: 5 December 2013 / Published: 13 December 2013
(This article belongs to the Special Issue Bio and Nanomaterials Based on Fe3O4)
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Abstract

In this study we describe a beads-based assay for rapid, sensitive and specific isolation and detection of influenza vaccine hemagglutinin (HA). Amplification of the hemagglutinin signal resulted from binding of an electrochemical label as quantum dots (QDs). For detection of the metal and protein part of the resulting HA-CdTe complex, two differential pulse voltammetric methods were used. The procedure includes automated robotic isolation and electrochemical analysis of the isolated product. The isolation procedure was based on the binding of paramagnetic particles (MPs) with glycan (Gly), where glycan was used as the specific receptor for linkage of the QD-labeled hemagglutinin.
Keywords: influenza hemagglutinin; electrochemical detection; paramagnetic particles; glycan; quantum dot labeling influenza hemagglutinin; electrochemical detection; paramagnetic particles; glycan; quantum dot labeling
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Krejcova, L.; Nejdl, L.; Hynek, D.; Krizkova, S.; Kopel, P.; Adam, V.; Kizek, R. Beads-Based Electrochemical Assay for the Detection of Influenza Hemagglutinin Labeled with CdTe Quantum Dots. Molecules 2013, 18, 15573-15586.

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