Nanostructuring carbon fibre probes for use in central venous catheters


#IVTEAM #Intravenous literature: Li, M., Phair, J., Cardosi, M.F. and Davis, J. (2014) Nanostructuring carbon fibre probes for use in central venous catheters. Analytica Chimica Acta. 812, p.1-5.


A carbon fibre probe is described which utilises the oxidation of an endogenous biomarker to provide diagnostic information on the condition of intravascular access lines. The probe surface was modified through anodic oxidation to provide a high selectivity towards urate which was used as a redox probe through which the pH could be determined. A Nernstian response (-60mV/pH) was obtained which was free from the interference of other redox species common to biofluids. The electroanalytical performance of the probe has been optimised and the applicability of the approach demonstrated through testing the responses in whole blood.

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