Skip to main content
. Author manuscript; available in PMC: 2020 Oct 15.
Published in final edited form as: Anal Chem. 2019 Dec 17;92(1):640–646. doi: 10.1021/acs.analchem.9b04131

Figure 1.

Figure 1.

(A) Schematic of the spray-capillary CZE-MS platform and detailed diagram of the sheathless CZE-MS interface. Operation steps are as follows: (1) sample is injected into the separation column; (2) high voltage was initiated for CZE separation; (3) N2 was introduced into the BGE vial to perform gas elution. Reproducibility was demonstrated for (B) run-to-run, (C) day-to-day, and (D) batch-to-batch sample injections.