Targeted method quantifying 10 neurotransmitters and neuromodulators using LC-MS/MS with MRM. Quantitation is performed using calibrations of up to 10 concentration levels and multiple internal standards. 

Acetylcholine
3,4-Dihydoxyphenylacetic acid (DHPAA)
Dopamine
Epinephrine
GABA
Histamine
3,4-Dihydroxy-L-phenylalanine (L-DOPA)
Norepinephrine
Serotonin
Tyramine