Table 3.

Intra-day variability of MALDI-TOF MS after sample preparation with IMAC-Cu beads.

m/z	MS signal area			CV%
	D1	D2	D3
1,865.9	6,164	5,424	5,872	6
2,022.3	27,771	30,127	31,744	7
2,251.8	13,354	16,763	15,057	11
2,660.9	71,469	64,529	66,094	5
3,154.7	21,513	23,140	18,290	11
3,241.8	67,561	66,391	67,204	9
4,146.9	21,106	19,212	19,683	5
4,963.7	41,587	28,283	44,451	23
Average CV%				10

CV, coefficient of variation.