Patent ID: 9404881
Filing Date: 2016-08-02
CPC Classification: A61M,B01J,B01L,B33Y,C12Q,C40B,G01N,Y10T

Claim Text:
1. An apparatus for performing a plurality of biochemical assays comprising: a plurality of electrodes comprising at least one dedicated working electrode, at least one dual-role electrode and at least one dedicated counter electrode, said dedicated working and dual-role electrodes having deposited thereon an assay reagent, wherein said plurality of electrodes are arranged within a flow cell, said flow cell having a flow cell path, and wherein said dual-role electrode is configured to operate first as the working electrode and then as the counter electrode; dedicated working, dual-role and dedicated counter electrical leads for supplying electrical energy to said plurality of electrodes, wherein at least two non-adjacent electrical leads have an exposed surface located thereon; an inlet conduit in fluid communication with said flow cell and at least partially defined by said exposed surfaces of said electrical leads, wherein fluid in said inlet conduit is in electrical contact with said exposed surfaces, and wherein the exposed surfaces are configured to apply an inlet conduit interrogation potential between said exposed surfaces to determine the presence or composition of fluid in said inlet conduit.