1,8-DHN	1,8-dihydroxynaphthalene
3-AT	3-amino-tyrosine
5,6-DHT	5,6-dihydroxytryptamine
AFM	atomic force microscopy
AHP	4-amino-3-hydroxyphenylalanine
BTCA	6-(2-amino-2carboxyethyl)-2-carboxy-4-hydroxibenzothiazole
CHCA	α-cyano-4-hydroxycinnamic acid
DHB	dihydroxybenzoic acid
DHI	5,6-dihydroxyindole
DHICA	5,6-dihydroxyindole-2-carboxylic acid
DMSO	dimetylsulfoxide
DTG	derivative thermogravimetry
EI	electron impact
ESI	electrospray ionization
FAB	fast atom bombardment
FTIR	Fourier-transform infrared spectroscopy
GC-FID	gas chromatography coupled with flame ionization detection
HGA	homogentisic acid
IR-MALDESI	Infrared matrix assisted laser desorption electrospray ionization
L-DOPA	L-3,4-dihyroxyphenylalanine
LC-MS	liquid chromatography coupled with mass spectrometry
MALDI	matrix assisted laser desorption/ionization
NanoSIMS	nanoscale secondary ion mass spectrometry
NMDHI	N-methyl-5,6-dihydroxyindole
NMR	Nuclear magnetic resonance
PTCA	pyrrole-2,3,5-tricarboxylic acid
Py-GC-MS	pyrolysis gas chromatography coupled with mass-analysis
Py-GC-MS/MS	pyrolysis gas chromatography with tandem mass-analysis
SEM	Scanning electron microscopy
SIMS	secondary ion mass spectrometry
synchrotron-LDPI	laser desorption synchrotron postionization mass spectrometry
TDCA	thiazole-4,5-dicarboxylic acid
TEM	transmission electron microscopy
TGA	thermogravimetric analysis
TMAH	Tetramethylammonium hydroxide
TTCA	thiazole-2,4,5-tricarboxilic acid