NOVA BIOMEDICAL Nova StatSensor Xpress-i - A.3.Creatinine.methodology

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Appendix
A.3 Creatinine Methodology
The creatinine measurement is based on the following
methodology:
Enzymes
1. Creatinine + O
2
–––––––––
> H
2
O
2
Enzymes
2.
H
2
O
2
+ Ferrocyanide –––––––––
>
Ferricyanide +
H
2
O
-e
-
3. Ferricyanide –––––––––
>
Ferrocyanide
Electrode
The current generated at the electrode is proportional to the
creatinine concentration of the sample.