The development of a disposable pH sensor for the point of care monitoring of wound pH is described. The system exploits the pH dependence of an endogenous biomarker (urate) to yield an unambiguous signal. The sensor responses have been characterised and the responses validated in whole blood.
Phair, J., Newton, L., McCormac, C., Cardosi, MF., Leslie, R., & Davis, J. (2011). A disposable sensor for point of care wound pH monitoring. The Analyst, 136(22), 4692-4695. https://doi.org/10.1039/C1AN15675F