Metal silicides as a novel electrode material in electrochemical sensors

We have studied the suitability of titanium silicide as an electrode materi al in electrochemical cells. The high chemical stability, low resistivity a nd possibility to immobilise biomolecules in combination with the possibili ty to manufacture structured electrodes with methods from the microelectron ics industry make silicides interesting. As an example results from measure ments with the enzyme horseradish peroxidase are given and compared with si milar measurements with graphite and carbon paste electrodes. (C) 2000 Else vier Science S.A. All rights reserved.