Electrochemical immunosensor for simultaneous determination of interleukin-1 beta and tumor necrosis factor alpha in serum and saliva using dual screen printed electrodes modified with functionalized double–walled carbon nanotubes

1. Sánchez-Tirado, E.
2. Salvo, C.
3. González-Cortés, A.
4. Yáñez-Sedeño, P.
5. Langa, F.
6. Pingarrón, J.M.