. Author manuscript; available in PMC: 2014 Mar 5.

Published in final edited form as: Anal Chem. 2013 Feb 13;85(5):2569–2573. doi: 10.1021/ac303750g

Table 1.

Identification results of single-shot CZE-ESI-MS/MS and UPLC-ESI-MS/MS for 1–100 ng E. coli protein digests analysis.

E. coli digests loading amount (ng)	Single shot CZE-ESI-MS/MS (triplicate runs)		Single shot UPLC-ESI-MS/MS (triplicate runs)
E. coli digests loading amount (ng)	Protein groups	Peptides	Protein groups	Peptides
100	312 ± 29^*	1,377 ± 128	395 ± 3	1,875 ± 32
10	212 ± 19	997 ± 54	280 ± 9	1,108 ± 104
1	142 ± 10	627 ± 38	140 ± 25	342 ± 113

Uncertainties are standard deviation of the mean.