Ambient ionization techniques

Acronym	Technique	Material Removal	Ionization	Notes
DESI	Desorption Electrospray Ionization	Liquid extraction	Electrospray
DART	Direct analysis in real time	Heat	Metastable chemical ionization
DCI	Desorption chemical ionization	Heat	Chemical ionization
MALDESI	Matrix-assisted laser desorption electrospray ionization	Laser	Electrospray	http://dx.doi.org/10.1016/j.jasms.2006.08.003
LAESI	Laser ablation electrospray ionization	Laser	Electrospray	IR laser
nano-DESI	Nanospray desorption electrospray ionization	Liquid microjunction	Electrospray
PS-MS	Paper spray	Solid extraction	Electrospray	http://dx.doi.org/10.1021/ac902854g
EASI	Easy ambient sonic-spray ionization	Sonic spray	liquid extraction	http://dx.doi.org/10.1021/ac701960q
PESI	Probe electrospray ionization	Solid extraction	Electrospray	http://dx.doi.org/10.1002/rcm.3201