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

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, a...

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Veröffentlicht in:Journal of materials science 2019-07, Vol.54 (14), p.10410-10419
Hauptverfasser: McLister, Anna, Casimero, Charnete, McConville, Aaron, Taylor, Charlotte M., Lawrence, Clare L., Smith, Robert B., Mathur, Ashish, Davis, James
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container_end_page 10419
container_issue 14
container_start_page 10410
container_title Journal of materials science
container_volume 54
creator McLister, Anna
Casimero, Charnete
McConville, Aaron
Taylor, Charlotte M.
Lawrence, Clare L.
Smith, Robert B.
Mathur, Ashish
Davis, James
description 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.
doi_str_mv 10.1007/s10853-019-03600-x
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subjects Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Crystallography and Scattering Methods
Electrochemical analysis
Electrochemical reactions
Electrochemistry
Hydrogen-ion concentration
Laser ablation
Materials for Life Sciences
Materials Science
Measurement
Polyethylene
Polyethylene films
Polymer Sciences
Sensors
Silver chloride
Smart sensors
Solid Mechanics
Stability analysis
Substrates
title Design of a smart sensor mesh for the measurement of pH in ostomy applications
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