Design of a smart sensor mesh for the measurement of pH in ostomy applications

Anna McLister; Charnete Casimero; Aaron McConville; Charlotte Taylor; Claire Lawrence; Robert Smith; Ashish Mathur; J Davis

doi:10.1007/s10853-019-03600-x

Design of a smart sensor mesh for the measurement of pH in ostomy applications

Anna McLister, Charnete Casimero, Aaron McConville, Charlotte Taylor, Claire Lawrence, Robert Smith, Ashish Mathur, J Davis

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

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Abstract

A carbon-loaded polyethylene film was modified through a combination of laser ablation and electrochemical anodisation to yield a mechanically flexible yet electroanalytically sensitive mesh. A custom flavin derivative bearing a pendant phenol substituent was electropolymerised onto the substrate, and its electrochemical properties were investigated. The reversible flavin electrochemistry was retained (Ep = −0.374 V vs. Ag/AgCl, pH 7), and the peak position was found to shift by 60 mV/pH over a range covering pH 2.55 to pH 8.12. The stability of the resulting composite has been evaluated, and the analytical applicability towards the voltammetric measurement of pH in human urine was critically assessed.

Original language	English
Pages (from-to)	10410-10419
Number of pages	10
Journal	Journal of Materials Science
Volume	54
Issue number	n/a
Early online date	15 Apr 2019
DOIs	https://doi.org/10.1007/s10853-019-03600-x
Publication status	Published (in print/issue) - 30 Jul 2019

Keywords

Ostomy
Stoma
polyethylene
electrode
sensor
pH

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10.1007/s10853-019-03600-xLicence: CC BY

Final published articleFinal published version, 1.74 MBLicence: CC BY

Cite this

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abstract = "A carbon-loaded polyethylene film was modified through a combination of laser ablation and electrochemical anodisation to yield a mechanically flexible yet electroanalytically sensitive mesh. A custom flavin derivative bearing a pendant phenol substituent was electropolymerised onto the substrate, and its electrochemical properties were investigated. The reversible flavin electrochemistry was retained (Ep = −0.374 V vs. Ag/AgCl, pH 7), and the peak position was found to shift by 60 mV/pH over a range covering pH 2.55 to pH 8.12. The stability of the resulting composite has been evaluated, and the analytical applicability towards the voltammetric measurement of pH in human urine was critically assessed.",

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T1 - Design of a smart sensor mesh for the measurement of pH in ostomy applications

AU - McLister, Anna

AU - Casimero, Charnete

AU - McConville, Aaron

AU - Taylor, Charlotte

AU - Lawrence, Claire

AU - Smith, Robert

AU - Mathur, Ashish

AU - Davis, J

PY - 2019/7/30

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N2 - A carbon-loaded polyethylene film was modified through a combination of laser ablation and electrochemical anodisation to yield a mechanically flexible yet electroanalytically sensitive mesh. A custom flavin derivative bearing a pendant phenol substituent was electropolymerised onto the substrate, and its electrochemical properties were investigated. The reversible flavin electrochemistry was retained (Ep = −0.374 V vs. Ag/AgCl, pH 7), and the peak position was found to shift by 60 mV/pH over a range covering pH 2.55 to pH 8.12. The stability of the resulting composite has been evaluated, and the analytical applicability towards the voltammetric measurement of pH in human urine was critically assessed.

AB - A carbon-loaded polyethylene film was modified through a combination of laser ablation and electrochemical anodisation to yield a mechanically flexible yet electroanalytically sensitive mesh. A custom flavin derivative bearing a pendant phenol substituent was electropolymerised onto the substrate, and its electrochemical properties were investigated. The reversible flavin electrochemistry was retained (Ep = −0.374 V vs. Ag/AgCl, pH 7), and the peak position was found to shift by 60 mV/pH over a range covering pH 2.55 to pH 8.12. The stability of the resulting composite has been evaluated, and the analytical applicability towards the voltammetric measurement of pH in human urine was critically assessed.

KW - Ostomy

KW - Stoma

KW - polyethylene

KW - electrode

KW - sensor

KW - pH

UR - https://pure.ulster.ac.uk/en/publications/design-of-a-smart-sensor-mesh-for-the-measurement-of-ph-in-ostomy

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EP - 10419

JO - Journal of Materials Science

JF - Journal of Materials Science

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Design of a smart sensor mesh for the measurement of pH in ostomy applications

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James Davis

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Design of a smart sensor mesh for the measurement of pH in ostomy applications

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