Table 3.

Intra- and inter-platform variability.

Concent. (mM)	Platform (#)	Average (µA)	St.Dev. (µA)	Relative St. Dev %	Average Sum (µA)	St.Dev. Sum (µA)	Relative St. Dev %
100.00	1	12.38	1.13	9.13	70.15	4.25	6.06
	2	14.60	2.87	19.66
	3	15.60	2.52	16.15
50.00	4	10.64	1.40	13.16	59.09	4.26	7.21
	5	9.65	0.40	4.15
	6	11.26	2.02	17.94
25.00	7	8.13	1.42	17.47	42.93	3.24	7.54
	8	8.03	1.87	23.29
	9	6.01	0.86	14.31
10.00	10	4.60	0.70	15.22	25.86	2.52	9.70
	11	4.32	0.83	19.21
	12	4.02	0.60	14.93
5.00	13	2.89	0.60	20.76	12.81	1.42	11.06
	14	2.61	0.44	16.86
	15	2.08	0.29	13.94