Table 1.

Parameters of LC–MS/MS analysis.

Peptide	Precursor (m/z)	Product (m/z)	Collision energy	Dwell time (ms)
Insulin-1	967.8	331.2	40	0.025
Insulin-2	1159.7	334.1	40	0.025
IAPP	980.5	958.2	20	0.025
Glucagon	871.5	1040.2	27	0.025
Glucagon IS	877.1	1047.2	27	0.025
Somatostatin-14	546.6	726.3	15	0.025

Precursor and precursor ions along with collision energies and dwell time used to monitor each peptide during LC–MS/MS analysis.