Scheme 2.
Experimental configuration for the two-color SPCE assay using surface plasmon (Kretschmann) excitation. Fibres F1 and F2 collect SPCE at 595 and 665 nm, respectively. Fibre F3 observes the free-space emission.
Experimental configuration for the two-color SPCE assay using surface plasmon (Kretschmann) excitation. Fibres F1 and F2 collect SPCE at 595 and 665 nm, respectively. Fibre F3 observes the free-space emission.