Electrochemical biosensor for creatinine based on the immobilization of creatininase, creatinase and sarcosine oxidase onto a ferrocene/horseradish peroxidase/gold nanoparticles/multi-walled carbon nanotubes/Teflon composite electrode

1. Serafín, V.
2. Hernández, P.
3. Agüí, L.
4. Yáñez-Sedeño, P.
5. Pingarrón, J.M.