Table 4. Examples of multiplex (dual) probe treatment for MDR activity profiling in the CHO K1 cell line.

Probes	Detection Channel	D-values Post Inhibitor Treatment(compared to uninhibited cells
		CsA	Verapamil	MK-571	FTC
eFluxx-ID® Green	FITC	0.94	0.9	0.98	0.56
Pheophorbide A	PerCP	0.25	0.14	0.15	0.33
eFluxx-ID® Gold	PE	0.89	0.94	0.96	0.51
Pheophorbide A	PerCP	0.25	0.11	0.14	0.34
eFluxx-ID® Gold	PE	0.84	0.82	0.96	0.44
DiOC2(3)	FITC	0.94	0.96	0.13	0.16
eFluxx-ID® Gold	PE	0.9	0.94	0.85	0.53
CMFDA	FITC	0.49	0.1	0.91	0.06

(Average D values for three representative experiments are provided as characteristics of MDR, with SD not exceeding 10% for each value).