High resolution imaging with DESI

Take a look at this image of a coronal rat brain section recorded at 50um by 50um pixel sizes using DESI-MS.

Enjoy!

Experimental Details:

Instrument: Thermo Scientific LTQ
Injection time with AGC Off:  80ms
Microscans:1
Solvent flow rate: 1.5 uL/min
Nitrogen pressure 100psi
tip-to-surface: 2mm
Surface velocity: 300um/s
y-step size: 50um