Detection of biomarkers for inflammatory diseases by an electrochemical immunoassay: The case of neopterin (Articolo in rivista)

Type
Label
  • Detection of biomarkers for inflammatory diseases by an electrochemical immunoassay: The case of neopterin (Articolo in rivista) (literal)
Anno
  • 2015-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.talanta.2014.10.053 (literal)
Alternative label
  • Centi S.; Tombelli S.; Puntoni M.; Domenici C.; Franek M.; Palchetti I. (2015)
    Detection of biomarkers for inflammatory diseases by an electrochemical immunoassay: The case of neopterin
    in Talanta (Oxf.)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Centi S.; Tombelli S.; Puntoni M.; Domenici C.; Franek M.; Palchetti I. (literal)
Pagina inizio
  • 48 (literal)
Pagina fine
  • 53 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84912096973&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 134 (literal)
Rivista
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Università degli Studi di Firenze, Dipartimento di Scienze Biomediche, Sperimentali e Cliniche, Viale G. Pieraccini 6, Firenze, 50139, Italy; Istituto di Fisica Applicata Nello Carrara, Consiglio Nazionale Delle Ricerche, Via Madonna del Piano 10, Sesto Fiorentino, 50019, Italy; Istituto di Fisiologia Clinica, Consiglio Nazionale Delle Ricerche, Via G. Moruzzi 1, Pisa, 56124, Italy; Department of Biotechnology, Veterinary Research Institute, Hudcova 70, Brno, 621 32, Czech Republic; Università degli Studi di Firenze, Dipartimento di Chimica, Via della Lastruccia 3, Sesto Fiorentino, 50019, Italy; Istituto di Biochimica Delle Proteine, Via P. Castellino 111, Napoli, 80131, Italy (literal)
Titolo
  • Detection of biomarkers for inflammatory diseases by an electrochemical immunoassay: The case of neopterin (literal)
Abstract
  • An electrochemical immunoassay for neopterin was developed using recently produced specific antibodies immobilized to protein A-coated magnetic beads in combination with differential pulse voltammetry and screen-printed array of electrodes. Neopterin-alkaline phosphatase conjugate was used as label in a competitive assay format. Multiplexed analysis of neopterin was demonstrated by replacing the traditional ELISA with electrochemical detection and the traditional plastic wells with screen-printed array of electrodes. The optimized electrochemical method, based on polyclonal antibodies, reached a limit of detection of 0.008 ng/mL with an average RSD %=10. Serum samples collected from patients with sepsis, healthy volunteers and other patients without a confirmed clinical diagnosis were also analyzed. The obtained results, compared with those of a commercial ELISA kit, had a significant correlation, showing the possibility to distinguish among the serum samples from ill or healthy subjects. (literal)
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