Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Electrochemical biosensor. An increase in the electrode resistance owed to the interaction between a biomarker present in body fluids (antigen, complementary DNA strand or ligand) and its target molecule (antibody DNA single strand or receptor) attached to the electrode is measured as a change of current.
