This article describes the fabrication and characterization of a pH sensor for monitoring the wound status. The pH sensitive layer consists of a graphene oxide (GO) layer obtained by drop-casting 5 μl of GO dispersion onto the working electrode of a screen-printed substrate. Sensitivity was 31.8 mV/pH with an accuracy of 0.3 unit of pH. Open-circuit potentiometry was carried out to measure pH in an exudate sample. The GO pH sensor proved to be reliable as the comparison with results obtained from a standard glass electrode pH-meter showed negligible differences (< 0.09 pH units in the worst case) for measurements performed over a period of 4 days.

A graphene oxide pH sensor for wound monitoring

MELAI, BERNARDO;SALVO, PIETRO;CALISI, NICOLA;Bonini, A.;PAOLETTI, CLARA;LOMONACO, TOMMASO;MOLLICA, VINCENZO;FUOCO, ROGER;DI FRANCESCO, FABIO
2016-01-01

Abstract

This article describes the fabrication and characterization of a pH sensor for monitoring the wound status. The pH sensitive layer consists of a graphene oxide (GO) layer obtained by drop-casting 5 μl of GO dispersion onto the working electrode of a screen-printed substrate. Sensitivity was 31.8 mV/pH with an accuracy of 0.3 unit of pH. Open-circuit potentiometry was carried out to measure pH in an exudate sample. The GO pH sensor proved to be reliable as the comparison with results obtained from a standard glass electrode pH-meter showed negligible differences (< 0.09 pH units in the worst case) for measurements performed over a period of 4 days.
978-1-4577-0220-4
File in questo prodotto:
File Dimensione Formato  
A graphene oxide pH sensor for wound monitoring.pdf

solo utenti autorizzati

Descrizione: Proceeding Conferenza
Tipologia: Versione finale editoriale
Licenza: NON PUBBLICO - Accesso privato/ristretto
Dimensione 698.54 kB
Formato Adobe PDF
698.54 kB Adobe PDF   Visualizza/Apri   Richiedi una copia

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/822303
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 30
  • ???jsp.display-item.citation.isi??? 22
social impact