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. Author manuscript; available in PMC: 2008 Nov 1.
Published in final edited form as: Anal Chem. 2007 Oct 3;79(21):8154–8161. doi: 10.1021/ac071297n

Figure 2.

Figure 2

Mass spectra for ∼4 pmols reserpine nozzle-1 ionized by a 400-nozzle AMUSE chip (5-μm apertures), with (9.3 L min-1) or without (0 L min-1) Venturi-assisted droplet desolvation and focusing. The solvent used in both cases was 10:89.9:0.1 (v:v:v) methanol:water:glacial acetic acid. AMUSE settings: 100 VDC, 40 μL min-1 liquid flow rate, LiT detection.