Pandemic Influenza Detection by Electrically Active Magnetic Nanoparticles and Surface Plasmon Resonance

Influenza A virus (FLUAV), the causative agent of influenza infection, has received extensive attention due to the recent swine-origin H1N1 pandemic. FLUAV has long been the cause of annual epidemics as well as less frequent but more severe global pandemics. Here, we describe a biosensor utilizing electrically active magnetic (EAM) polyaniline-coated nanoparticles as the transducer in an electrochemical biosensor for rapidly identifying FLUAV strains based on receptor specificity, which will be useful to monitor animal influenza infections and to characterize pandemic potential of strains that have transmitted from animals to humans. Pandemic potential requires human-to-human transmissibility, which is dependent upon FLUAV hemagglutinin (HA) specificity for host glycan receptors. Avian FLUAV preferentially bind to α2,3-linked receptors, while human FLUAV bind to α2,6-linked receptors. EAM nanoparticles were prepared by synthesizing aniline monomer around gamma iron (III) oxide (γ-Fe2O3) cores, yielding 25-100-nm diameter nanoparticles that were structurally characterized by transmission electron microscopy and electron diffraction. The EAM nanoparticles were coated with monoclonal antibodies specific to H5N1 (A/Vietnam/1203/04). Specificity of binding between glycans and H5 was demonstrated. The biosensor results were correlative to supporting data from a surface plasmon resonance assay that characterized HA/glycan binding and α-H5 antibody activity. This novel study applies EAM nanoparticles as the transducer in a specific, portable, easy-to-use biosensor with great potential for disease monitoring and biosecurity applications.

Medienart:

E-Artikel

Erscheinungsjahr:

2012

Erschienen:

2012

Enthalten in:

Zur Gesamtaufnahme - volume:11

Enthalten in:

IEEE transactions on nanotechnology - 11(2012), 1 vom: 05. Jan., Seite 88-96

Sprache:

Englisch

Beteiligte Personen:

Kamikawa, Tracy L [VerfasserIn]
Mikolajczyk, Malgorzata G [VerfasserIn]
Kennedy, Michael [VerfasserIn]
Zhong, Lilin [VerfasserIn]
Zhang, Pei [VerfasserIn]
Setterington, Emma B [VerfasserIn]
Scott, Dorothy E [VerfasserIn]
Alocilja, Evangelyn C [VerfasserIn]

Links:

Volltext

Themen:

Biosensor
Direct-charge transfer
Electrically active
Immunomagnetic
Influenza
Journal Article

Anmerkungen:

Date Revised 28.09.2020

published: Electronic-eCollection

Citation Status PubMed-not-MEDLINE

doi:

10.1109/TNANO.2011.2157936

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM309743028