
November 7, 2014 13:15 PSP Book - 9in x 6in 12-Serge-Cosnier-c12
ECL Biosensor and Its Applications 347
(1) The sufficient conductivity allows fast electron transfers occur-
ring among the electrode, Ru(bpy)
3
2+
, and the ECL coreactant
or analytes
(2) The surface of the sensor can be renewed by a simple polish
step.
Introduction of carbon nanotubes (CNTs) [54] or Au or Pt NPs
[55] into the composite films can significantly increase the film
conductivity and the amount of Ru(bpy)
3
2+
and decrease the
leaching of the emitting species from the films.
12.3.2 Enzymatic ECL Biosensing with Immobilized
Emitters
Some enzymatic reactions involve the participation (generation ...