Table 1 MALDI-MSI parameters and instrumental precision (intra- and interday) for melatonin (n = 10)
From: MALDI-MSI: a fast and reliable method for direct melatonin quantification in biological fluids
Molecule | m/z [M + H]+ | MS2 | MS3 m/z 174 | Value precision (%RSD) | ||
|---|---|---|---|---|---|---|
Intraday | Interday | |||||
Batch 1 | Batch 2 | |||||
Melatonin | 233 | 174, 205, 215, 191 | 159, 143, 118, 131 | 2.52 | 2.87 | 1.45 |