Table 3.

Accuracy and precision of the etheno-adenine nucleotide analysis

Adenine nucleotide	Theoretical Value (pmol)	Experimental valuea (pmol)	Error (%)	Precision (RSD, %)
				Intra-dayb	Inter-daya
adenosine	10.3	10.6±0.3	2.5	1.5	3.3
	5.2	5.6±0.2	7.9	1.6	2.8
	1.6	1.6±0.0	1.7	1.6	2.9
AMP	10.3	10.0±0.2	−3.3	0.6	2.4
	5.2	5.2±0.1	1.8	1.5	2.4
	1.6	1.6±0.1	6.4	3.7	3.1
ADP	9.6	9.3±0.2	−3.5	5.1	2.6
	4.8	4.7±0.1	−3.0	2.3	2.0
	1.4	1.4±0.0	−1.1	4.3	1.9
ATP	9.8	8.7±0.2	−11.0	1.8	2.9
	4.9	4.2±0.1	−13.4	2.9	3.4
	1.5	1.3±0.0	−12.2	3.2	0.6

^anine replicates

^bthree replicates