Rapid and specific DNA detection by magnetic field-enhanced agglutination assay.


Journal

Talanta
ISSN: 1873-3573
Titre abrégé: Talanta
Pays: Netherlands
ID NLM: 2984816R

Informations de publication

Date de publication:
01 Nov 2020
Historique:
received: 14 04 2020
revised: 23 06 2020
accepted: 25 06 2020
entrez: 5 9 2020
pubmed: 6 9 2020
medline: 15 5 2021
Statut: ppublish

Résumé

The detection of DNA molecules by agglutination assays has suffered from a lack of specificity. The specificity can be improved by introducing a hybridization step with a specific probe. We developed a setting that captured biotinylated DNA targets between magnetic nanoparticles (MNPs) grafted with tetrathiolated probes and anti-biotin antibodies. The agglutination assay was enhanced using a series of magnetization cycles. This setting allowed to successfully detect a synthetic single stranded DNA with a sensitivity as low as 9 pM. We next adapted this setting to the detection of PCR products. We first developed an asymmetric pan-flavivirus amplification. Then, we demonstrated its ability to detect dengue virus with a limit of detection of 100 TCID

Identifiants

pubmed: 32887073
pii: S0039-9140(20)30635-4
doi: 10.1016/j.talanta.2020.121344
pii:
doi:

Substances chimiques

DNA Probes 0
DNA 9007-49-2

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

121344

Informations de copyright

Copyright © 2020 The Author(s). Published by Elsevier B.V. All rights reserved.

Auteurs

Elena Pinchon (E)

Pathogénèse et Contrôle des infections chroniques, EFS, Université de Montpellier, Inserm, 60 rue de Navacelles, 34 394 Montpellier, Cedex 5, France. Electronic address: elena.pinchon@efs.sante.fr.

Fanny Leon (F)

Pathogénèse et Contrôle des infections chroniques, EFS, Université de Montpellier, Inserm, 60 rue de Navacelles, 34 394 Montpellier, Cedex 5, France. Electronic address: fanny.leon@efs.sante.fr.

Nevzat Temurok (N)

HORIBA Medical ABX SAS, Parc Euromedecine, Rue Du Caducée BP 7290, 34184, Montpellier, France. Electronic address: nevzat.temurok@horiba.com.

François Morvan (F)

Institut des Biomolécules Max Mousseron, Université de Montpellier, CNRS, ENSCM, Place Eugène Bataillon, 34095, Montpellier, Cedex 5, France. Electronic address: francois.morvan@umontpellier.fr.

Jean-Jacques Vasseur (JJ)

Institut des Biomolécules Max Mousseron, Université de Montpellier, CNRS, ENSCM, Place Eugène Bataillon, 34095, Montpellier, Cedex 5, France. Electronic address: jean-jacques.vasseur@umontpellier.fr.

Martine Clot (M)

HORIBA Medical ABX SAS, Parc Euromedecine, Rue Du Caducée BP 7290, 34184, Montpellier, France. Electronic address: Martine.Clot@horiba.com.

Vincent Foulongne (V)

Pathogénèse et Contrôle des infections chroniques, EFS, Université de Montpellier, Inserm, 60 rue de Navacelles, 34 394 Montpellier, Cedex 5, France. Electronic address: v-foulongne@chu-montpellier.fr.

Jean-François Cantaloube (JF)

Pathogénèse et Contrôle des infections chroniques, EFS, Université de Montpellier, Inserm, 60 rue de Navacelles, 34 394 Montpellier, Cedex 5, France. Electronic address: Jean-Francois.cantaloube@efs.sante.fr.

Philippe Vande Perre (PV)

Pathogénèse et Contrôle des infections chroniques, EFS, Université de Montpellier, Inserm, 60 rue de Navacelles, 34 394 Montpellier, Cedex 5, France. Electronic address: p-van_de_perre@chu-montpellier.fr.

Aurélien Daynès (A)

HORIBA Medical ABX SAS, Parc Euromedecine, Rue Du Caducée BP 7290, 34184, Montpellier, France. Electronic address: aurelien.daynes@horiba.com.

Jean-Pierre Molès (JP)

Pathogénèse et Contrôle des infections chroniques, EFS, Université de Montpellier, Inserm, 60 rue de Navacelles, 34 394 Montpellier, Cedex 5, France. Electronic address: jean-pierre.moles@inserm.fr.

Chantal Fournier-Wirth (C)

Pathogénèse et Contrôle des infections chroniques, EFS, Université de Montpellier, Inserm, 60 rue de Navacelles, 34 394 Montpellier, Cedex 5, France. Electronic address: chantal.fournier@efs.sante.fr.

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Classifications MeSH