In vivo pH monitoring using boron doped diamond microelectrode and silver needles: Application to stomach disorder diagnosis

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Abstract

This study presents the in vivo electrochemical monitoring of pH using boron doped diamond (BDD) microelectrode and silver needles for potential application in medical diagnosis. Accurate calibration curve for pH determination were obtained through in vitro electrochemical measurements. The increase induced in stomach pH by treatment with pantoprazole was used to demonstrate that it is possible to monitor the pH in vivo using the simple and noninvasive system proposed herein. Using the results of the in vivo and in vitro experiments, a quantitative analysis of the increase in stomach pH is also presented. It is proposed that the catheter-free pH monitoring system presented in this study could be potentially employed in any biological environment.

Original languageEnglish
Article number3257
JournalScientific reports
Volume3
DOIs
Publication statusPublished - 2013 Nov 28

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